last executing test programs: 2m9.776058266s ago: executing program 1 (id=1141): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syz_tun\x00', 0x4002}) r1 = socket$inet6_udp(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000080)={'syz_tun\x00', 0x1}) bind$inet6(r1, &(0x7f0000000100)={0xa, 0x224e, 0x0, @empty}, 0x1c) write$tun(r0, &(0x7f0000000200)=ANY=[@ANYBLOB="01053e0014000600000000112233445566778899aabb86dd60fa050000651101fe8000000000000000000000000000aafe8000000000000000000000000000aa4e200e22006590787dbad24e7d1473b84d6177f62cca9a56ffd996cd1dff847ae92664132f6fcb63ea347457c6ad1349c0c3daab09543f4163c7739216b07e07ec9353"], 0x7b) 2m9.441111622s ago: executing program 1 (id=1143): r0 = socket$inet_sctp(0x2, 0x5, 0x84) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e21, @local}, 0x10) listen(r0, 0x5) sendto$inet(r0, &(0x7f0000000100)="1a", 0x100, 0x0, &(0x7f0000000040)={0x2, 0x4e21, @local}, 0x10) accept(r0, 0x0, 0x0) 2m9.040855309s ago: executing program 1 (id=1145): r0 = socket$inet_tcp(0x2, 0x1, 0x6) bind$inet(r0, &(0x7f0000000000)={0x2, 0x801, @loopback}, 0x10) listen(r0, 0x5) r1 = fsopen(&(0x7f0000000100)='nfs\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000140)='source\x00', &(0x7f0000000180)='127.0.0.1:/export\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f00000001c0)='addr\x00', &(0x7f0000000200)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000240)='port\x00', &(0x7f0000000280)='2049\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f00000002c0)='vers\x00', &(0x7f0000000300)='4.0\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) r2 = accept(r0, 0x0, 0x0) write(r2, &(0x7f0000000500)="80000028123456780000000100"/36, 0x24) nanosleep(&(0x7f0000000600)={0x0, 0x5f5e100}, 0x0) 2m8.02112563s ago: executing program 1 (id=1149): r0 = socket$inet(0x2, 0x1, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./mnt\x00', 0x1ff) mount$nfs4(&(0x7f0000000000)='192.168.100.100:/export\x00', &(0x7f0000000100)='./mnt\x00', &(0x7f0000000200), 0x0, &(0x7f0000000300)={[{'addr=192.168.100.100\x00'}, {'port=2049\x00'}, {'proto=tcp\x00'}, {'vers=4.1\x00'}]}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000400)={'syzkaller0\x00'}) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000500)={'lo\x00'}) 2m7.324747136s ago: executing program 1 (id=1161): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000180)={{0x14, 0x10, 0x1, 0x0, 0x0, {0x2}}, [@NFT_MSG_NEWTABLE={0x20, 0x0, 0xa, 0x401, 0x0, 0x0, {0x2}, [@NFTA_TABLE_NAME={0x9, 0x1, 'syz0\x00'}]}, @NFT_MSG_NEWCHAIN={0x4c, 0x1, 0xa, 0x401, 0x0, 0x0, {0x2}, [@NFTA_CHAIN_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_CHAIN_NAME={0x9, 0x3, 'syz0\x00'}, @NFTA_CHAIN_TYPE={0xb, 0x7, 'filter\x00'}, @NFTA_CHAIN_HOOK={0x14, 0x4, 0x0, 0x1, [@NFTA_HOOK_HOOKNUM={0x8, 0x1, 0x1, 0x0, 0x3}, @NFTA_HOOK_PRIORITY={0x8}]}]}, @NFT_MSG_NEWRULE={0x4c, 0x2, 0xa, 0x401, 0x0, 0x0, {0x2}, [@NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_RULE_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_RULE_EXPRESSIONS={0x20, 0x4, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, @queue={{0xa}, @val={0xc, 0x2, 0x0, 0x1, [@NFTA_QUEUE_NUM={0x6}]}}}]}]}], {0x14, 0x11, 0x1, 0x0, 0x0, {0x2}}}, 0xe0}}, 0x0) sendmsg$NFQNL_MSG_CONFIG(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000300)={0x1c, 0x0, 0x3, 0x1, 0x0, 0x0, {0x2}, [@NFQA_CFG_CMD={0x8, 0x1, {0x1}}]}, 0x1c}}, 0x0) sendmsg$NFQNL_MSG_CONFIG(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000380)={&(0x7f00000003c0)={0x1c, 0x0, 0x3, 0x1, 0x0, 0x0, {0x2}, [@NFQA_CFG_CMD={0x8, 0x1, {0x3, 0x0, 0x2}}]}, 0x1c}}, 0x0) sendmsg$NFQNL_MSG_CONFIG(r0, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000480)={&(0x7f00000004c0)={0x20, 0x0, 0x3, 0x1, 0x0, 0x0, {0x2}, [@NFQA_CFG_PARAMS={0x9, 0x2, {0xffff, 0x2}}]}, 0x20}}, 0x0) r1 = socket$inet(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000400)="0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef", 0x60, 0x0, &(0x7f0000000500)={0x2, 0x1234, @loopback}, 0x10) 2m7.125845635s ago: executing program 1 (id=1156): r0 = socket$inet(0x2, 0x1, 0x0) bind(r0, &(0x7f0000000000)=@in={0x2, 0x801, @loopback}, 0x10) listen(r0, 0x5) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000200)='nfsd\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/versions\x00', 0x1, 0x0) write(r1, &(0x7f0000000400)='-2 -3 +4\n\x00', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./nfsd/portlist\x00', 0x1, 0x0) write(r2, &(0x7f0000000600)='3\n\x00', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./nfsd/threads\x00', 0x1, 0x0) write(r3, &(0x7f0000000800)='8\n\x00', 0x2) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./exp\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./mnt\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000b00)='./proc\x00', &(0x7f0000000c00)='proc\x00', 0x0, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000d00)='./proc/net/rpc/nfsd.export/channel\x00', 0x1, 0x0) write(r4, &(0x7f0000000e00)='* ./exp 10000 0 0 0\n\x00', 0x15) mount$nfs4(&(0x7f0000000f00)='127.0.0.1:./exp\x00', &(0x7f0000000a00)='./mnt\x00', &(0x7f0000001000), 0x0, &(0x7f0000001100)={[{'addr=127.0.0.1,port=2049,proto=tcp,clientaddr=127.0.0.1', 0x31}]}) (async) openat(0xffffffffffffff9c, &(0x7f0000001200)='./mnt/file0\x00', 0x0, 0x0) 2m4.719331636s ago: executing program 3 (id=1171): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/sys/net/sctp/addip_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000100)='1', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/sys/net/sctp/addip_noauth_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000180)='1', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) r3 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e21, @loopback}, 0x10) listen(r2, 0x5) bind$inet(r3, &(0x7f0000000240)={0x2, 0x4e22, @loopback}, 0x10) connect$inet(r3, &(0x7f0000000280)={0x2, 0x4e21, @loopback}, 0x10) r4 = accept(r2, 0x0, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r3, 0x84, 0x64, &(0x7f0000000300)=[@in={0x2, 0x4e23, @loopback}], 0x10) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r4, 0x84, 0x64, &(0x7f0000000340)=[@in={0x2, 0x4e24, @loopback}], 0x10) 2m4.533436592s ago: executing program 3 (id=1174): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000340)=ANY=[@ANYBLOB="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"], 0x13c}}, 0x0) sendmsg$NFT_BATCH(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000500)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a2c000000070a01020000000000000000020000000900010073797a30000000000900020073797a3100000000140000001100010000000000000000000000000a"], 0x54}}, 0x0) 2m4.243379691s ago: executing program 3 (id=1175): r0 = socket$rxrpc(0x21, 0x2, 0x2) bind$rxrpc(r0, &(0x7f0000000080)=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x4e20, @empty}}, 0x24) listen(r0, 0xa) sendmsg(r0, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)=ANY=[@ANYBLOB="1800000000000000100100000a0000000100000000000000"], 0x18}, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r1, &(0x7f0000000300)="1234567800000100000000010000000100000001010100000000000100000000", 0x20, 0x0, &(0x7f0000000400)={0x2, 0x4e20, @loopback}, 0x10) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) sendto$inet(r1, &(0x7f0000000300)="1234567800000100000000000000000000000002070100000000000100000000", 0x20, 0x0, &(0x7f0000000400)={0x2, 0x4e20, @loopback}, 0x10) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) recvmsg(r0, &(0x7f0000000600), 0x40) 2m3.996956138s ago: executing program 3 (id=1177): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={{0x14, 0xa, 0x1, 0x0, 0x0, {0x2}}, [@NFT_MSG_NEWRULE={0x4c, 0x2, 0xa, 0x1, 0x0, 0x0, {0x2}, [@NFTA_RULE_TABLE={0x9, 0x1, 'syz0\x00'}, @NFTA_RULE_CHAIN={0x9, 0x2, 'syz0\x00'}, @NFTA_RULE_EXPRESSIONS={0x20, 0x4, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, @queue={{0xa}, @val={0xc, 0x2, 0x0, 0x1, [@NFTA_QUEUE_NUM={0x6}]}}}]}]}], {0x14, 0xb, 0x1, 0x0, 0x0, {0x2}}}, 0x74}}, 0x0) 2m3.940921324s ago: executing program 3 (id=1178): r0 = socket$rds(0x15, 0x5, 0x0) setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f0000000000)=0x2, 0x4) bind$rds(r0, &(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10) sendmsg$rds(r0, &(0x7f0000000100)={&(0x7f0000000040)={0x2, 0x4e20, @loopback}, 0x10, &(0x7f0000000200)=[{&(0x7f0000000300)=""/8, 0x8}], 0x1}, 0x0) 2m3.703865904s ago: executing program 3 (id=1181): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f0000000080)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f0000000180)='2049\n', 0x5) 1m51.261959098s ago: executing program 32 (id=1156): r0 = socket$inet(0x2, 0x1, 0x0) bind(r0, &(0x7f0000000000)=@in={0x2, 0x801, @loopback}, 0x10) listen(r0, 0x5) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000100)='./nfsd\x00', &(0x7f0000000200)='nfsd\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./nfsd/versions\x00', 0x1, 0x0) write(r1, &(0x7f0000000400)='-2 -3 +4\n\x00', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./nfsd/portlist\x00', 0x1, 0x0) write(r2, &(0x7f0000000600)='3\n\x00', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000700)='./nfsd/threads\x00', 0x1, 0x0) write(r3, &(0x7f0000000800)='8\n\x00', 0x2) mkdirat(0xffffffffffffff9c, &(0x7f0000000900)='./exp\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000a00)='./mnt\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000b00)='./proc\x00', &(0x7f0000000c00)='proc\x00', 0x0, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000d00)='./proc/net/rpc/nfsd.export/channel\x00', 0x1, 0x0) write(r4, &(0x7f0000000e00)='* ./exp 10000 0 0 0\n\x00', 0x15) mount$nfs4(&(0x7f0000000f00)='127.0.0.1:./exp\x00', &(0x7f0000000a00)='./mnt\x00', &(0x7f0000001000), 0x0, &(0x7f0000001100)={[{'addr=127.0.0.1,port=2049,proto=tcp,clientaddr=127.0.0.1', 0x31}]}) (async) openat(0xffffffffffffff9c, &(0x7f0000001200)='./mnt/file0\x00', 0x0, 0x0) 1m51.250939449s ago: executing program 2 (id=1192): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ed) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/intl_enable\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='1\x00', 0x1) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000120)='./proc/sys/net/sctp/reconf_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1\x00', 0x1) close(r1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt(r2, 0x84, 0x7d, &(0x7f0000000200)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000240)={0x0, 0x1}, 0x8) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000280)={0x0, 0x0, 0x10}, 0xa) setsockopt$inet_sctp_SCTP_MAXSEG(r2, 0x84, 0xd, &(0x7f00000002c0)=@assoc_value={0x0, 0x80}, 0x8) r3 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r3, 0x84, 0x12, &(0x7f0000000300)=0x2, 0x4) setsockopt(r3, 0x84, 0x7d, &(0x7f0000000340)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r3, 0x84, 0x71, &(0x7f0000000380)={0x0, 0x1}, 0x8) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r3, 0x84, 0x72, &(0x7f00000003c0)={0x0, 0x0, 0x10}, 0xa) setsockopt$inet_sctp_SCTP_MAXSEG(r3, 0x84, 0xd, &(0x7f0000000400)=@assoc_value={0x0, 0x80}, 0x8) bind(r2, &(0x7f0000000440)=@in={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) connect(r3, &(0x7f0000000480)=@in={0x2, 0x4e20, @loopback}, 0x10) accept(r2, 0x0, 0x0) sendmsg$inet_sctp(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", 0x200}], 0x1, &(0x7f0000000800)=[@prinfo={0x14, 0x84, 0x5, {0x10}}], 0x14}, 0x0) nanosleep(&(0x7f0000000900)={0x0, 0x5f5e100}, 0x0) 1m50.035390503s ago: executing program 2 (id=1195): r0 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e23, @loopback}, 0x10) listen(r0, 0x5) r1 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r1, 0x84, 0x12, &(0x7f0000000040)=0x2, 0x4) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x78, &(0x7f0000000080)={0x0, 0x1}, 0x8) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r1, 0x84, 0x75, &(0x7f00000000c0)={0x0, 0x1}, 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r1, 0x84, 0x76, &(0x7f0000000100)={0x0, 0x7}, 0x8) connect$inet(r1, &(0x7f0000000140)={0x2, 0x4e23, @loopback}, 0x10) r2 = accept(r0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r2, 0x84, 0x12, &(0x7f0000000180)=0x2, 0x4) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x78, &(0x7f00000001c0)={0x0, 0x1}, 0x8) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r2, 0x84, 0x75, &(0x7f0000000200)={0x0, 0x1}, 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r2, 0x84, 0x76, &(0x7f0000000240)={0x0, 0x7}, 0x8) setsockopt$sock_int(r2, 0x1, 0x8, &(0x7f0000000280)=0x400, 0x4) sendmsg$inet_sctp(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000340)=[{&(0x7f0000000400)='\x00'/20000, 0x4e20}], 0x1}, 0x0) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r1, 0x84, 0x78, &(0x7f0000000500), 0x4) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000540), 0x4) 1m48.723585501s ago: executing program 2 (id=1196): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ed) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='100\x00', 0x3) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/times\x00', 0x1, 0x0) write(r1, &(0x7f00000001c0)='1000\x00', 0x4) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/fail_page_alloc/probability\x00', 0x1, 0x0) write(r2, &(0x7f0000000240)='100\x00', 0x3) r3 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./debug/fail_page_alloc/times\x00', 0x1, 0x0) write(r3, &(0x7f00000002c0)='1000\x00', 0x4) socket$packet(0x11, 0x3, 0x300) r4 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r4, &(0x7f0000000300)="11223344", 0x4, 0x0, &(0x7f0000000400)={0x2, 0x1234, @loopback}, 0x10) 1m46.355014167s ago: executing program 2 (id=1197): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./proc/self/fail-nth\x00', 0x2, 0x0) write(r0, &(0x7f0000000100)='100\n\x00', 0x4) 1m46.354675532s ago: executing program 33 (id=1181): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f0000000080)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x1, 0x0) write(r0, &(0x7f0000000180)='2049\n', 0x5) 1m46.354034725s ago: executing program 2 (id=1201): r0 = socket$inet(0x2, 0x2, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000140)={'netpci0\x00', &(0x7f0000000280)=@ethtool_eeprom={0xb, 0x0, 0x0, 0x10, '\x00'/16}}) 1m45.855729446s ago: executing program 2 (id=1203): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='-2 -3 +4\n\x00', 0x9) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f00000001c0)='tcp 20000\n\x00', 0xa) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000240)='1\n\x00', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/threads\x00', 0x2, 0x0) write(r3, &(0x7f0000000240)='1\n\x00', 0x2) close(r3) 1m30.419197547s ago: executing program 34 (id=1203): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./nfsd\x00', &(0x7f00000000c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/versions\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='-2 -3 +4\n\x00', 0x9) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./nfsd/portlist\x00', 0x2, 0x0) write(r1, &(0x7f00000001c0)='tcp 20000\n\x00', 0xa) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/threads\x00', 0x2, 0x0) write(r2, &(0x7f0000000240)='1\n\x00', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/threads\x00', 0x2, 0x0) write(r3, &(0x7f0000000240)='1\n\x00', 0x2) close(r3) 1m26.083569912s ago: executing program 0 (id=1211): r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000300)=[@in={0x2, 0x4e23, @loopback}], 0x10) 1m25.834314193s ago: executing program 0 (id=1212): r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000300)=0x2, 0x4) setsockopt(r0, 0x84, 0x7d, &(0x7f0000000340)="0000000001000000", 0x8) setsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000380)={0x0, 0x1}, 0x8) setsockopt$inet_sctp_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f00000003c0)={0x0, 0x0, 0x10}, 0xa) setsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000400)=@assoc_value={0x0, 0x80}, 0x8) sendmsg$inet_sctp(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", 0x200}], 0x1, &(0x7f0000000800)=[@prinfo={0x14, 0x84, 0x5, {0x10}}], 0x14}, 0x0) 1m25.527338532s ago: executing program 0 (id=1213): r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000020)={&(0x7f0000000040)={0x20, 0x10, 0x1, 0x0, 0x0, {0x1}, [@typed={0xb, 0x2, 0x0, 0x0, @str='nlctrl\x00'}]}, 0x20}}, 0x0) 1m25.176648075s ago: executing program 0 (id=1214): r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000200)=@newsa={0x1a4, 0x10, 0x5, 0x1, 0x0, {{@in6=@loopback, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0xa, 0x80, 0x80}, {@in6=@loopback, 0x1234, 0x32}, @in6=@loopback, {}, {}, {}, 0x0, 0x0, 0xa}, [@algo_auth={0x5c, 0x1, {{'hmac(sha1)\x00'}, 0xa0, "000102030405060708090a0b0c0d0e0f10111213"}}, @algo_crypt={0x58, 0x2, {{'cbc(aes)\x00'}, 0x80, "000102030405060708090a0b0c0d0e0f"}}]}, 0x1a4}}, 0x0) sendmsg$nl_xfrm(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000500)=@newpolicy={0xfc, 0x13, 0x5, 0x1, 0x0, {{@in6=@loopback, @in6=@loopback, 0x0, 0x0, 0x0, 0x0, 0xa, 0x80, 0x80}, {}, {}, 0x0, 0x0, 0x1}, [@tmpl={0x44, 0x5, [{{@in6=@loopback, 0x1234, 0x32}, 0xa, @in6=@loopback}]}]}, 0xfc}}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r1, &(0x7f0000000600)="1234567890", 0xa, 0x0, &(0x7f0000000700)={0xa, 0x1234, 0x0, @loopback}, 0x1c) 1m23.241728783s ago: executing program 0 (id=1215): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc_mnt\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc_mnt\x00', 0x0, 0x0, 0x0) r0 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r0, &(0x7f0000000200)={0x2, 0x1388, @empty}, 0x10) listen(r0, 0x5) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7d, &(0x7f0000000280)={0x0, 0x1}, 0x8) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x7b, &(0x7f0000000280)={0x0, 0x1}, 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000300)={0x0, 0x7}, 0x8) r1 = socket$inet_sctp(0x2, 0x1, 0x84) connect$inet(r1, 0x0, 0x0) r2 = accept(r0, 0x0, 0x0) sendmsg$inet_sctp(r1, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000580)="01234567890123456789", 0x14}], 0x1}, 0x8000) nanosleep(&(0x7f0000000600)={0x0, 0x5f5e100}, 0x0) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000680), 0x4) nanosleep(&(0x7f0000000700)={0x0, 0x5f5e100}, 0x0) 1m22.09006452s ago: executing program 0 (id=1216): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='2049\n\x00', 0x5) r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/threads\x00', 0x2, 0x0) write(r1, &(0x7f00000000c0)='8\n\x00', 0x2) r2 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r2, &(0x7f0000000200)={0x2, 0x8008, @loopback}, 0x10) write(r2, &(0x7f0000000300)="80000028000000010000000000000002000186a30000000300"/44, 0x2c) 1m15.127167091s ago: executing program 5 (id=1198): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/portlist\x00', 0x1, 0x0) 1m14.680918197s ago: executing program 5 (id=1222): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000100)={'\x00', 0x1}) ioctl$TUNSETLINK(r0, 0x400454cd, 0x20) r1 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000200)={'syz_tun\x00', 0x1}) 1m8.90225406s ago: executing program 4 (id=1237): r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000000)={0x1, 0x1, 0x1, 0x1}, 0x8) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r0, 0x84, 0x6f, &(0x7f0000000200)={0x0, 0x10, &(0x7f00000001c0)=[@in={0x2, 0x4e21, @rand_addr=0x64010100}]}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(r0, 0x84, 0x66, &(0x7f0000000300)={r1}, &(0x7f0000000340)=0x8) 1m7.686306466s ago: executing program 4 (id=1238): r0 = socket$inet(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x6f00, @loopback}, 0x10) r1 = fsopen(&(0x7f0000000100)='nfs\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000200)='vers\x00', &(0x7f0000000240)='4.0\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000280)='addr\x00', &(0x7f00000002c0)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000300)='source\x00', &(0x7f0000000340)='127.0.0.1:/export\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000380)='proto\x00', &(0x7f00000003c0)='tcp\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) recvfrom$inet(r0, &(0x7f0000000500)=""/100, 0x64, 0x0, &(0x7f0000000600)={0x2, 0x0, @empty}, 0x10) 1m6.282928609s ago: executing program 35 (id=1216): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/portlist\x00', 0x2, 0x0) write(r0, &(0x7f0000000140)='2049\n\x00', 0x5) r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/threads\x00', 0x2, 0x0) write(r1, &(0x7f00000000c0)='8\n\x00', 0x2) r2 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r2, &(0x7f0000000200)={0x2, 0x8008, @loopback}, 0x10) write(r2, &(0x7f0000000300)="80000028000000010000000000000002000186a30000000300"/44, 0x2c) 1m6.193470321s ago: executing program 4 (id=1240): bind$inet(0xffffffffffffffff, &(0x7f0000000240)={0x2, 0x4e22, @loopback}, 0x10) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000000300)=[@in={0x2, 0x4e23, @loopback}], 0x10) 1m5.867951427s ago: executing program 4 (id=1241): r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x12, &(0x7f0000000300)=0x2, 0x4) sendmsg$inet_sctp(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", 0x200}], 0x1, &(0x7f0000000800)=[@prinfo={0x14, 0x84, 0x5, {0x10}}], 0x14}, 0x0) 1m5.516899421s ago: executing program 4 (id=1242): r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$netlink(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000200)={0x18, 0x14, 0x601, 0x0, 0x0, "", [@typed={0x8, 0x2, 0x0, 0x0, @u32}]}, 0x18}], 0x1}, 0x0) 1m4.743526438s ago: executing program 4 (id=1243): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc_mnt\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f00000000c0)='./proc_mnt\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd_mnt\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000180)='./nfsd_mnt\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./export_dir\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd_mnt/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='-2 -3 +4\n', 0x9) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./nfsd_mnt/portlist\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='tcp 2049\n', 0x9) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./nfsd_mnt/threads\x00', 0x1, 0x0) write(r2, &(0x7f0000000380)='1\n', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./proc_mnt/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0) write(r3, &(0x7f0000000400)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24) close(r3) r4 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./proc_mnt/net/rpc/nfsd.export/channel\x00', 0x1, 0x0) write(r4, &(0x7f0000000480)='localhost ./export_dir 2147483647 0 0 0 0\n', 0x2a) close(r4) r5 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./proc_mnt/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0) write(r5, &(0x7f0000000500)='localhost 1 \\x00 2147483647 ./export_dir\n', 0x29) close(r5) mkdirat(0xffffffffffffff9c, &(0x7f0000000540)='./nfs_mnt\x00', 0x1ff) mount(&(0x7f0000000580)=@filename='127.0.0.1:/\x00', &(0x7f00000005c0)='./nfs_mnt\x00', &(0x7f0000000600)='nfs\x00', 0x0, &(0x7f0000000640)='addr=127.0.0.1,port=2049,mountport=2049,proto=tcp,mountproto=tcp,vers=3,nolock\x00') setxattr(&(0x7f00000006c0)='./nfs_mnt\x00', &(0x7f0000000700)=@known='system.posix_acl_access\x00', &(0x7f0000000740)='\x02\x00\x00\x00\x01\x00\a\x00\xff\xff\xff\xff\x04\x00\x05\x00\xff\xff\xff\xff \x00\x05\x00\xff\xff\xff\xff', 0x1c, 0x0) 58.437836001s ago: executing program 36 (id=1222): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000100)={'\x00', 0x1}) ioctl$TUNSETLINK(r0, 0x400454cd, 0x20) r1 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000200)={'syz_tun\x00', 0x1}) 49.209707484s ago: executing program 37 (id=1243): mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc_mnt\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f00000000c0)='./proc_mnt\x00', &(0x7f0000000100)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd_mnt\x00', 0x1ff) mount(&(0x7f0000000000), &(0x7f0000000180)='./nfsd_mnt\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./export_dir\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd_mnt/versions\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='-2 -3 +4\n', 0x9) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./nfsd_mnt/portlist\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='tcp 2049\n', 0x9) close(r1) r2 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./nfsd_mnt/threads\x00', 0x1, 0x0) write(r2, &(0x7f0000000380)='1\n', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./proc_mnt/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0) write(r3, &(0x7f0000000400)='nfsd 127.0.0.1 2147483647 localhost\n', 0x24) close(r3) r4 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./proc_mnt/net/rpc/nfsd.export/channel\x00', 0x1, 0x0) write(r4, &(0x7f0000000480)='localhost ./export_dir 2147483647 0 0 0 0\n', 0x2a) close(r4) r5 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./proc_mnt/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0) write(r5, &(0x7f0000000500)='localhost 1 \\x00 2147483647 ./export_dir\n', 0x29) close(r5) mkdirat(0xffffffffffffff9c, &(0x7f0000000540)='./nfs_mnt\x00', 0x1ff) mount(&(0x7f0000000580)=@filename='127.0.0.1:/\x00', &(0x7f00000005c0)='./nfs_mnt\x00', &(0x7f0000000600)='nfs\x00', 0x0, &(0x7f0000000640)='addr=127.0.0.1,port=2049,mountport=2049,proto=tcp,mountproto=tcp,vers=3,nolock\x00') setxattr(&(0x7f00000006c0)='./nfs_mnt\x00', &(0x7f0000000700)=@known='system.posix_acl_access\x00', &(0x7f0000000740)='\x02\x00\x00\x00\x01\x00\a\x00\xff\xff\xff\xff\x04\x00\x05\x00\xff\xff\xff\xff \x00\x05\x00\xff\xff\xff\xff', 0x1c, 0x0) 28.010372558s ago: executing program 7 (id=1239): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc_mnt\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc_mnt\x00', 0x0, 0x0, 0x0) r0 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r0, &(0x7f0000000200)={0x2, 0x1388, @empty}, 0x10) listen(r0, 0x5) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7d, &(0x7f0000000280)={0x0, 0x1}, 0x8) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x7b, &(0x7f0000000280)={0x0, 0x1}, 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000300)={0x0, 0x7}, 0x8) r1 = socket$inet_sctp(0x2, 0x1, 0x84) connect$inet(r1, &(0x7f0000000480)={0x2, 0x1388, @loopback}, 0x10) r2 = accept(r0, 0x0, 0x0) sendmsg$inet_sctp(r1, 0x0, 0x8000) nanosleep(&(0x7f0000000600)={0x0, 0x5f5e100}, 0x0) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000680), 0x4) nanosleep(&(0x7f0000000700)={0x0, 0x5f5e100}, 0x0) 26.997116444s ago: executing program 7 (id=1246): r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000000), r0) sendmsg$DEVLINK_CMD_RATE_NEW(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_RATE_NODE_NAME={0xa, 0xa8, @random='node1\x00'}]}, 0x3c}}, 0x0) sendmsg$DEVLINK_CMD_RATE_SET(r0, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000240)={&(0x7f00000002c0)={0x3c, r1, 0x1, 0x0, 0x0, {}, [@handle=@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, @DEVLINK_ATTR_PORT_INDEX={0x8}, @DEVLINK_ATTR_RATE_TX_SHARE={0xc, 0xaa, 0xaa}]}, 0x3c}}, 0x0) 26.660869079s ago: executing program 7 (id=1247): r0 = socket$inet(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x6f00, @loopback}, 0x10) r1 = fsopen(&(0x7f0000000100)='nfs\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000200)='vers\x00', &(0x7f0000000240)='4.0\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000280)='addr\x00', &(0x7f00000002c0)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000300)='source\x00', &(0x7f0000000340)='127.0.0.1:/export\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000380)='proto\x00', &(0x7f00000003c0)='tcp\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) recvfrom$inet(r0, &(0x7f0000000500)=""/100, 0x64, 0x0, &(0x7f0000000600)={0x2, 0x0, @empty}, 0x10) 23.656584696s ago: executing program 7 (id=1248): r0 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000300)=[@in={0x2, 0x4e23, @loopback}], 0x10) 22.596307312s ago: executing program 6 (id=1251): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='sysfs\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/netdevsim/new_device\x00', 0x1, 0x0) write(r0, &(0x7f0000000200)='0 1 1\n\x00', 0x6) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$devlink(&(0x7f0000000300), r1) sendmsg$DEVLINK_CMD_PORT_GET(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)={0x14, r2, 0x1}, 0x14}}, 0x0) 22.15688335s ago: executing program 6 (id=1252): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc_mnt\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc_mnt\x00', 0x0, 0x0, 0x0) r0 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r0, &(0x7f0000000200)={0x2, 0x1388, @empty}, 0x10) listen(r0, 0x5) setsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7d, &(0x7f0000000280)={0x0, 0x1}, 0x8) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x7b, &(0x7f0000000280)={0x0, 0x1}, 0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000300)={0x0, 0x7}, 0x8) r1 = socket$inet_sctp(0x2, 0x1, 0x84) connect$inet(r1, &(0x7f0000000480)={0x2, 0x1388, @loopback}, 0x10) r2 = accept(r0, 0x0, 0x0) sendmsg$inet_sctp(r1, 0x0, 0x8000) nanosleep(&(0x7f0000000600)={0x0, 0x5f5e100}, 0x0) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r2, 0x84, 0x78, &(0x7f0000000680), 0x4) nanosleep(&(0x7f0000000700)={0x0, 0x5f5e100}, 0x0) 21.075254545s ago: executing program 7 (id=1253): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./proc_mnt\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc_mnt/sys/net/netfilter/nf_conntrack_helper\x00', 0x1, 0x0) write(r0, &(0x7f0000000100)='1\n', 0x2) r1 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r1, &(0x7f0000000140)={0x2, 0x6bb, @loopback}, 0x10) listen(r1, 0x5) r2 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r2, &(0x7f0000000180)={0x2, 0x6bb, @loopback}, 0x10) r3 = accept(r1, 0x0, 0x0) write(r2, &(0x7f0000000200)="009c00011a2b3c4d0001000001000000", 0x10) write(r3, &(0x7f0000000300)="009c00021a2b3c4d000100000100000000010100", 0x14) 20.284790514s ago: executing program 6 (id=1254): r0 = syz_usb_connect(0x0, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040b90661400001010200010902200001010080320904000002ff0000000705810200020007050202000200"], 0x0) nanosleep(&(0x7f0000000300)={0x0, 0x5f5e100}, 0x0) r1 = socket(0x8, 0x2, 0x0) setsockopt(r1, 0x108, 0x2, &(0x7f0000000100)="000000000000000000000000000000000000000000000000000000000000000000000000000000000500"/84, 0x54) connect(r1, &(0x7f0000000200)=@generic={0x8, '\x00\x00\x00\x00#\x00'}, 0xc) ioctl(r1, 0x80047437, &(0x7f0000000380)='\x00\x00\x00\x00') r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000350), 0x2, 0x0) ioctl$PPPIOCATTCHAN(r2, 0x80047438, &(0x7f0000000380)) ioctl(r1, 0x400261f2, &(0x7f0000000400)="0100000000000000") syz_usb_ep_write(r0, 0x81, 0x35, &(0x7f0000000500)="0000023200112233445566778899aabbccddeeff00112233445566778899aabbccddeeff0011223344556677880000000000000028") nanosleep(&(0x7f0000000300)={0x0, 0x5f5e100}, 0x0) 20.172093867s ago: executing program 8 (id=1244): r0 = socket$rxrpc(0x21, 0x2, 0x2) bind$rxrpc(r0, &(0x7f0000000000)=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x4e20, @loopback}}, 0x24) r1 = socket$rxrpc(0x21, 0x2, 0x2) connect$rxrpc(r1, &(0x7f0000000100)=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x4e20, @loopback}}, 0x24) sendmsg(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000300)=[{&(0x7f0000000400)='\x00\x00\x00\x00', 0x4}], 0x1, &(0x7f0000000500)=[{0x18, 0x110, 0x1, "0100000000000000"}], 0x18}, 0x0) r2 = socket$inet(0x2, 0x2, 0x0) sendto$inet(r2, &(0x7f0000000700)="0000000100000001000000010000000100000001010500000001", 0x1c, 0x0, &(0x7f0000000800)={0x2, 0x4e20, @loopback}, 0x10) 17.922240572s ago: executing program 9 (id=1245): r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f00000003c0)={0x0, 0x0, &(0x7f0000000380)={&(0x7f0000000000)=@newsa={0x150, 0x10, 0x1, 0x0, 0x0, {{@in=@loopback, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x2, 0x20, 0x20}, {@in=@loopback, 0x1234, 0x32}, @in=@loopback, {}, {}, {}, 0x0, 0x1, 0x2}, [@algo_aead={0x60, 0x12, {{'rfc4106(gcm(aes))\x00'}, 0xa0, 0x60, "210466d38547aa140db9a200000000c538c7cb7a"}}]}, 0x150}}, 0x0) sendmsg$nl_xfrm(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000000)=ANY=[@ANYBLOB="940000002900010000000000000000000100007f00000000000000000000000000001234020032000200007f0000000000000000000000000100007f00000000000000000000000000000000000000000100007f0000000000000000000000000100007f000000000000000000000000000000000000000002002020000000000000000000000000010000000000000002000000"], 0x94}}, 0x0) 16.428731517s ago: executing program 6 (id=1255): r0 = socket$inet(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x6f00, @loopback}, 0x10) r1 = fsopen(&(0x7f0000000100)='nfs\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000200)='vers\x00', &(0x7f0000000240)='4.0\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000280)='addr\x00', &(0x7f00000002c0)='127.0.0.1\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000300)='source\x00', &(0x7f0000000340)='127.0.0.1:/export\x00', 0x0) fsconfig$FSCONFIG_SET_STRING(r1, 0x1, &(0x7f0000000380)='proto\x00', &(0x7f00000003c0)='tcp\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0) (async) recvfrom$inet(r0, &(0x7f0000000500)=""/100, 0x64, 0x0, &(0x7f0000000600)={0x2, 0x0, @empty}, 0x10) 15.406860849s ago: executing program 6 (id=1256): sendmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890", 0x200}], 0x1, &(0x7f0000000800)=[@prinfo={0x14, 0x84, 0x5, {0x10}}], 0x14}, 0x0) 15.151633478s ago: executing program 6 (id=1257): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/portlist\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000220)='./nfsd/threads\x00', 0x1, 0x0) read(r0, &(0x7f0000000300)=""/256, 0x100) write(r1, &(0x7f0000000400)='1\x00', 0x2) 0s ago: executing program 38 (id=1257): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='proc\x00', &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='nfsd\x00', &(0x7f0000000180)='./nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./nfsd/portlist\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000220)='./nfsd/threads\x00', 0x1, 0x0) read(r0, &(0x7f0000000300)=""/256, 0x100) write(r1, &(0x7f0000000400)='1\x00', 0x2) kernel console output (not intermixed with test programs): k+0x10/0x10 [ 397.273965][ T998] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.273999][ T998] ? assign_work+0x3cf/0x5d0 [ 397.274025][ T998] worker_thread+0xb05/0x10d0 [ 397.274056][ T998] ? __kthread_parkme+0x71/0x1f0 [ 397.274090][ T998] kthread+0x388/0x470 [ 397.274115][ T998] ? __pfx_worker_thread+0x10/0x10 [ 397.274134][ T998] ? __pfx_kthread+0x10/0x10 [ 397.274161][ T998] ret_from_fork+0x514/0xb70 [ 397.274190][ T998] ? __pfx_ret_from_fork+0x10/0x10 [ 397.274217][ T998] ? __switch_to+0xc89/0x1420 [ 397.274242][ T998] ? __pfx_kthread+0x10/0x10 [ 397.274269][ T998] ret_from_fork_asm+0x1a/0x30 [ 397.274313][ T998] [ 397.278434][ T1441] FAULT_INJECTION: forcing a failure. [ 397.278434][ T1441] name failslab, interval 1, probability 100, space 0, times 55 [ 397.278462][ T1441] CPU: 0 UID: 0 PID: 1441 Comm: kworker/u8:12 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.278484][ T1441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.278496][ T1441] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.278527][ T1441] Call Trace: [ 397.278535][ T1441] [ 397.278543][ T1441] dump_stack_lvl+0xe8/0x150 [ 397.278569][ T1441] should_fail_ex+0x467/0x600 [ 397.278599][ T1441] should_failslab+0xa8/0x100 [ 397.278626][ T1441] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.278655][ T1441] ? __alloc_skb+0x1d7/0x7a0 [ 397.278677][ T1441] ? __alloc_skb+0x1d7/0x7a0 [ 397.278709][ T1441] __alloc_skb+0x1d7/0x7a0 [ 397.278739][ T1441] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.278781][ T1441] ? process_one_work+0x7fd/0x1480 [ 397.278802][ T1441] process_one_work+0xaaf/0x1480 [ 397.278845][ T1441] ? __pfx_process_one_work+0x10/0x10 [ 397.278863][ T1441] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.278896][ T1441] ? assign_work+0x3cf/0x5d0 [ 397.278927][ T1441] worker_thread+0xb05/0x10d0 [ 397.278973][ T1441] kthread+0x388/0x470 [ 397.278998][ T1441] ? __pfx_worker_thread+0x10/0x10 [ 397.279018][ T1441] ? __pfx_kthread+0x10/0x10 [ 397.279045][ T1441] ret_from_fork+0x514/0xb70 [ 397.279073][ T1441] ? __pfx_ret_from_fork+0x10/0x10 [ 397.279098][ T1441] ? __switch_to+0xc89/0x1420 [ 397.279122][ T1441] ? __pfx_kthread+0x10/0x10 [ 397.279150][ T1441] ret_from_fork_asm+0x1a/0x30 [ 397.279193][ T1441] [ 397.279206][ T1441] FAULT_INJECTION: forcing a failure. [ 397.279206][ T1441] name failslab, interval 1, probability 100, space 0, times 54 [ 397.279229][ T1441] CPU: 0 UID: 0 PID: 1441 Comm: kworker/u8:12 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.279251][ T1441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.279263][ T1441] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.279291][ T1441] Call Trace: [ 397.279298][ T1441] [ 397.279305][ T1441] dump_stack_lvl+0xe8/0x150 [ 397.279331][ T1441] should_fail_ex+0x467/0x600 [ 397.279360][ T1441] should_failslab+0xa8/0x100 [ 397.279380][ T1441] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.279407][ T1441] ? __alloc_skb+0x1d7/0x7a0 [ 397.279430][ T1441] ? __alloc_skb+0x1d7/0x7a0 [ 397.279462][ T1441] __alloc_skb+0x1d7/0x7a0 [ 397.279491][ T1441] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.279533][ T1441] ? process_one_work+0x7fd/0x1480 [ 397.279554][ T1441] process_one_work+0xaaf/0x1480 [ 397.279597][ T1441] ? __pfx_process_one_work+0x10/0x10 [ 397.279621][ T1441] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.279654][ T1441] ? assign_work+0x3cf/0x5d0 [ 397.279680][ T1441] worker_thread+0xb05/0x10d0 [ 397.279725][ T1441] kthread+0x388/0x470 [ 397.279751][ T1441] ? __pfx_worker_thread+0x10/0x10 [ 397.279771][ T1441] ? __pfx_kthread+0x10/0x10 [ 397.279801][ T1441] ret_from_fork+0x514/0xb70 [ 397.279830][ T1441] ? __pfx_ret_from_fork+0x10/0x10 [ 397.279856][ T1441] ? __switch_to+0xc89/0x1420 [ 397.279881][ T1441] ? __pfx_kthread+0x10/0x10 [ 397.279908][ T1441] ret_from_fork_asm+0x1a/0x30 [ 397.279951][ T1441] [ 397.279973][ T1441] FAULT_INJECTION: forcing a failure. [ 397.279973][ T1441] name failslab, interval 1, probability 100, space 0, times 53 [ 397.279996][ T1441] CPU: 0 UID: 0 PID: 1441 Comm: kworker/u8:12 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.280017][ T1441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.280029][ T1441] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.280057][ T1441] Call Trace: [ 397.280064][ T1441] [ 397.280072][ T1441] dump_stack_lvl+0xe8/0x150 [ 397.280097][ T1441] should_fail_ex+0x467/0x600 [ 397.280125][ T1441] should_failslab+0xa8/0x100 [ 397.280146][ T1441] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.280176][ T1441] ? __alloc_skb+0x1d7/0x7a0 [ 397.280199][ T1441] ? __alloc_skb+0x1d7/0x7a0 [ 397.280230][ T1441] __alloc_skb+0x1d7/0x7a0 [ 397.280260][ T1441] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.280302][ T1441] ? process_one_work+0x7fd/0x1480 [ 397.280323][ T1441] process_one_work+0xaaf/0x1480 [ 397.280365][ T1441] ? __pfx_process_one_work+0x10/0x10 [ 397.280383][ T1441] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.280417][ T1441] ? assign_work+0x3cf/0x5d0 [ 397.280442][ T1441] worker_thread+0xb05/0x10d0 [ 397.280488][ T1441] kthread+0x388/0x470 [ 397.280514][ T1441] ? __pfx_worker_thread+0x10/0x10 [ 397.280533][ T1441] ? __pfx_kthread+0x10/0x10 [ 397.280559][ T1441] ret_from_fork+0x514/0xb70 [ 397.280589][ T1441] ? __pfx_ret_from_fork+0x10/0x10 [ 397.280622][ T1441] ? __switch_to+0xc89/0x1420 [ 397.280646][ T1441] ? __pfx_kthread+0x10/0x10 [ 397.280674][ T1441] ret_from_fork_asm+0x1a/0x30 [ 397.280717][ T1441] [ 397.280778][ T56] FAULT_INJECTION: forcing a failure. [ 397.280778][ T56] name failslab, interval 1, probability 100, space 0, times 53 [ 397.280802][ T56] CPU: 0 UID: 0 PID: 56 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.280823][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.280835][ T56] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.280863][ T56] Call Trace: [ 397.280870][ T56] [ 397.280878][ T56] dump_stack_lvl+0xe8/0x150 [ 397.280903][ T56] should_fail_ex+0x467/0x600 [ 397.280933][ T56] should_failslab+0xa8/0x100 [ 397.280952][ T56] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.280980][ T56] ? __alloc_skb+0x1d7/0x7a0 [ 397.281003][ T56] ? __alloc_skb+0x1d7/0x7a0 [ 397.281034][ T56] __alloc_skb+0x1d7/0x7a0 [ 397.281063][ T56] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.281105][ T56] ? process_one_work+0x7fd/0x1480 [ 397.281126][ T56] process_one_work+0xaaf/0x1480 [ 397.281168][ T56] ? __pfx_process_one_work+0x10/0x10 [ 397.281186][ T56] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.281220][ T56] ? assign_work+0x3cf/0x5d0 [ 397.281249][ T56] worker_thread+0xb05/0x10d0 [ 397.281293][ T56] kthread+0x388/0x470 [ 397.281319][ T56] ? __pfx_worker_thread+0x10/0x10 [ 397.281339][ T56] ? __pfx_kthread+0x10/0x10 [ 397.281364][ T56] ret_from_fork+0x514/0xb70 [ 397.281394][ T56] ? __pfx_ret_from_fork+0x10/0x10 [ 397.281419][ T56] ? __switch_to+0xc89/0x1420 [ 397.281445][ T56] ? __pfx_kthread+0x10/0x10 [ 397.281471][ T56] ret_from_fork_asm+0x1a/0x30 [ 397.281514][ T56] [ 397.282615][ T56] FAULT_INJECTION: forcing a failure. [ 397.282615][ T56] name failslab, interval 1, probability 100, space 0, times 51 [ 397.282640][ T56] CPU: 0 UID: 0 PID: 56 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.282662][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.282674][ T56] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.282703][ T56] Call Trace: [ 397.282711][ T56] [ 397.282718][ T56] dump_stack_lvl+0xe8/0x150 [ 397.282744][ T56] should_fail_ex+0x467/0x600 [ 397.282774][ T56] should_failslab+0xa8/0x100 [ 397.282794][ T56] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.282839][ T56] ? __alloc_skb+0x1d7/0x7a0 [ 397.282862][ T56] ? __alloc_skb+0x1d7/0x7a0 [ 397.282894][ T56] __alloc_skb+0x1d7/0x7a0 [ 397.282923][ T56] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.282966][ T56] ? process_one_work+0x7fd/0x1480 [ 397.282987][ T56] process_one_work+0xaaf/0x1480 [ 397.283029][ T56] ? __pfx_process_one_work+0x10/0x10 [ 397.283047][ T56] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.283081][ T56] ? assign_work+0x3cf/0x5d0 [ 397.283107][ T56] worker_thread+0xb05/0x10d0 [ 397.283152][ T56] kthread+0x388/0x470 [ 397.283178][ T56] ? __pfx_worker_thread+0x10/0x10 [ 397.283197][ T56] ? __pfx_kthread+0x10/0x10 [ 397.283224][ T56] ret_from_fork+0x514/0xb70 [ 397.283254][ T56] ? __pfx_ret_from_fork+0x10/0x10 [ 397.283280][ T56] ? __switch_to+0xc89/0x1420 [ 397.283305][ T56] ? __pfx_kthread+0x10/0x10 [ 397.283332][ T56] ret_from_fork_asm+0x1a/0x30 [ 397.283378][ T56] [ 397.283420][ T1416] FAULT_INJECTION: forcing a failure. [ 397.283420][ T1416] name failslab, interval 1, probability 100, space 0, times 50 [ 397.283444][ T1416] CPU: 0 UID: 0 PID: 1416 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.283466][ T1416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.283477][ T1416] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.283506][ T1416] Call Trace: [ 397.283513][ T1416] [ 397.283520][ T1416] dump_stack_lvl+0xe8/0x150 [ 397.283545][ T1416] should_fail_ex+0x467/0x600 [ 397.283575][ T1416] should_failslab+0xa8/0x100 [ 397.283594][ T1416] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.283629][ T1416] ? __alloc_skb+0x1d7/0x7a0 [ 397.283652][ T1416] ? __alloc_skb+0x1d7/0x7a0 [ 397.283683][ T1416] __alloc_skb+0x1d7/0x7a0 [ 397.283713][ T1416] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.283754][ T1416] ? process_one_work+0x7fd/0x1480 [ 397.283775][ T1416] process_one_work+0xaaf/0x1480 [ 397.283817][ T1416] ? __pfx_process_one_work+0x10/0x10 [ 397.283835][ T1416] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.283868][ T1416] ? assign_work+0x3cf/0x5d0 [ 397.283895][ T1416] worker_thread+0xb05/0x10d0 [ 397.283939][ T1416] kthread+0x388/0x470 [ 397.283965][ T1416] ? __pfx_worker_thread+0x10/0x10 [ 397.283985][ T1416] ? __pfx_kthread+0x10/0x10 [ 397.284012][ T1416] ret_from_fork+0x514/0xb70 [ 397.284041][ T1416] ? __pfx_ret_from_fork+0x10/0x10 [ 397.284067][ T1416] ? __switch_to+0xc89/0x1420 [ 397.284093][ T1416] ? __pfx_kthread+0x10/0x10 [ 397.284120][ T1416] ret_from_fork_asm+0x1a/0x30 [ 397.284163][ T1416] [ 397.284197][ T1416] FAULT_INJECTION: forcing a failure. [ 397.284197][ T1416] name failslab, interval 1, probability 100, space 0, times 49 [ 397.284220][ T1416] CPU: 0 UID: 0 PID: 1416 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.284240][ T1416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.284252][ T1416] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.284280][ T1416] Call Trace: [ 397.284287][ T1416] [ 397.284295][ T1416] dump_stack_lvl+0xe8/0x150 [ 397.284320][ T1416] should_fail_ex+0x467/0x600 [ 397.284349][ T1416] should_failslab+0xa8/0x100 [ 397.284369][ T1416] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.284397][ T1416] ? __alloc_skb+0x1d7/0x7a0 [ 397.284420][ T1416] ? __alloc_skb+0x1d7/0x7a0 [ 397.284451][ T1416] __alloc_skb+0x1d7/0x7a0 [ 397.284481][ T1416] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.284523][ T1416] ? process_one_work+0x7fd/0x1480 [ 397.284544][ T1416] process_one_work+0xaaf/0x1480 [ 397.284586][ T1416] ? __pfx_process_one_work+0x10/0x10 [ 397.284610][ T1416] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.284643][ T1416] ? assign_work+0x3cf/0x5d0 [ 397.284668][ T1416] worker_thread+0xb05/0x10d0 [ 397.284714][ T1416] kthread+0x388/0x470 [ 397.284740][ T1416] ? __pfx_worker_thread+0x10/0x10 [ 397.284759][ T1416] ? __pfx_kthread+0x10/0x10 [ 397.284786][ T1416] ret_from_fork+0x514/0xb70 [ 397.284815][ T1416] ? __pfx_ret_from_fork+0x10/0x10 [ 397.284842][ T1416] ? __switch_to+0xc89/0x1420 [ 397.284867][ T1416] ? __pfx_kthread+0x10/0x10 [ 397.284894][ T1416] ret_from_fork_asm+0x1a/0x30 [ 397.284937][ T1416] [ 397.284950][ T1416] FAULT_INJECTION: forcing a failure. [ 397.284950][ T1416] name failslab, interval 1, probability 100, space 0, times 48 [ 397.284971][ T1416] CPU: 0 UID: 0 PID: 1416 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.284991][ T1416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.285003][ T1416] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.285031][ T1416] Call Trace: [ 397.285038][ T1416] [ 397.285046][ T1416] dump_stack_lvl+0xe8/0x150 [ 397.285070][ T1416] should_fail_ex+0x467/0x600 [ 397.285099][ T1416] should_failslab+0xa8/0x100 [ 397.285119][ T1416] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.285150][ T1416] ? __alloc_skb+0x1d7/0x7a0 [ 397.285172][ T1416] ? __alloc_skb+0x1d7/0x7a0 [ 397.285203][ T1416] __alloc_skb+0x1d7/0x7a0 [ 397.285233][ T1416] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.285275][ T1416] ? process_one_work+0x7fd/0x1480 [ 397.285296][ T1416] process_one_work+0xaaf/0x1480 [ 397.285338][ T1416] ? __pfx_process_one_work+0x10/0x10 [ 397.285356][ T1416] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.285389][ T1416] ? assign_work+0x3cf/0x5d0 [ 397.285415][ T1416] worker_thread+0xb05/0x10d0 [ 397.285460][ T1416] kthread+0x388/0x470 [ 397.285486][ T1416] ? __pfx_worker_thread+0x10/0x10 [ 397.285505][ T1416] ? __pfx_kthread+0x10/0x10 [ 397.285532][ T1416] ret_from_fork+0x514/0xb70 [ 397.285562][ T1416] ? __pfx_ret_from_fork+0x10/0x10 [ 397.285588][ T1416] ? __switch_to+0xc89/0x1420 [ 397.285619][ T1416] ? __pfx_kthread+0x10/0x10 [ 397.285646][ T1416] ret_from_fork_asm+0x1a/0x30 [ 397.285689][ T1416] [ 397.285754][ T1345] FAULT_INJECTION: forcing a failure. [ 397.285754][ T1345] name failslab, interval 1, probability 100, space 0, times 47 [ 397.285777][ T1345] CPU: 0 UID: 0 PID: 1345 Comm: kworker/u8:8 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.285797][ T1345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.285810][ T1345] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.285840][ T1345] Call Trace: [ 397.285847][ T1345] [ 397.285855][ T1345] dump_stack_lvl+0xe8/0x150 [ 397.285881][ T1345] should_fail_ex+0x467/0x600 [ 397.285912][ T1345] should_failslab+0xa8/0x100 [ 397.285933][ T1345] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.285960][ T1345] ? __alloc_skb+0x1d7/0x7a0 [ 397.285983][ T1345] ? __alloc_skb+0x1d7/0x7a0 [ 397.286014][ T1345] __alloc_skb+0x1d7/0x7a0 [ 397.286044][ T1345] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.286085][ T1345] ? process_one_work+0x7fd/0x1480 [ 397.286106][ T1345] process_one_work+0xaaf/0x1480 [ 397.286149][ T1345] ? __pfx_process_one_work+0x10/0x10 [ 397.286166][ T1345] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.286200][ T1345] ? assign_work+0x3cf/0x5d0 [ 397.286226][ T1345] worker_thread+0xb05/0x10d0 [ 397.286258][ T1345] ? __kthread_parkme+0x71/0x1f0 [ 397.286291][ T1345] kthread+0x388/0x470 [ 397.286317][ T1345] ? __pfx_worker_thread+0x10/0x10 [ 397.286336][ T1345] ? __pfx_kthread+0x10/0x10 [ 397.286364][ T1345] ret_from_fork+0x514/0xb70 [ 397.286392][ T1345] ? __pfx_ret_from_fork+0x10/0x10 [ 397.286418][ T1345] ? __switch_to+0xc89/0x1420 [ 397.286444][ T1345] ? __pfx_kthread+0x10/0x10 [ 397.286471][ T1345] ret_from_fork_asm+0x1a/0x30 [ 397.286514][ T1345] [ 397.286527][ T1345] FAULT_INJECTION: forcing a failure. [ 397.286527][ T1345] name failslab, interval 1, probability 100, space 0, times 46 [ 397.286551][ T1345] CPU: 0 UID: 0 PID: 1345 Comm: kworker/u8:8 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.286571][ T1345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.286583][ T1345] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.286619][ T1345] Call Trace: [ 397.286626][ T1345] [ 397.286634][ T1345] dump_stack_lvl+0xe8/0x150 [ 397.286659][ T1345] should_fail_ex+0x467/0x600 [ 397.286687][ T1345] should_failslab+0xa8/0x100 [ 397.286706][ T1345] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.286733][ T1345] ? __alloc_skb+0x1d7/0x7a0 [ 397.286756][ T1345] ? __alloc_skb+0x1d7/0x7a0 [ 397.286787][ T1345] __alloc_skb+0x1d7/0x7a0 [ 397.286816][ T1345] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.286858][ T1345] ? process_one_work+0x7fd/0x1480 [ 397.286879][ T1345] process_one_work+0xaaf/0x1480 [ 397.286921][ T1345] ? __pfx_process_one_work+0x10/0x10 [ 397.286940][ T1345] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.286973][ T1345] ? assign_work+0x3cf/0x5d0 [ 397.286998][ T1345] worker_thread+0xb05/0x10d0 [ 397.287030][ T1345] ? __kthread_parkme+0x71/0x1f0 [ 397.287063][ T1345] kthread+0x388/0x470 [ 397.287089][ T1345] ? __pfx_worker_thread+0x10/0x10 [ 397.287107][ T1345] ? __pfx_kthread+0x10/0x10 [ 397.287134][ T1345] ret_from_fork+0x514/0xb70 [ 397.287164][ T1345] ? __pfx_ret_from_fork+0x10/0x10 [ 397.287190][ T1345] ? __switch_to+0xc89/0x1420 [ 397.287215][ T1345] ? __pfx_kthread+0x10/0x10 [ 397.287242][ T1345] ret_from_fork_asm+0x1a/0x30 [ 397.287285][ T1345] [ 397.287504][ T5691] FAULT_INJECTION: forcing a failure. [ 397.287504][ T5691] name failslab, interval 1, probability 100, space 0, times 46 [ 397.287529][ T5691] CPU: 0 UID: 0 PID: 5691 Comm: kworker/0:4 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.287550][ T5691] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.287562][ T5691] Workqueue: events send_dm_alert [ 397.287592][ T5691] Call Trace: [ 397.287599][ T5691] [ 397.287613][ T5691] dump_stack_lvl+0xe8/0x150 [ 397.287638][ T5691] should_fail_ex+0x467/0x600 [ 397.287667][ T5691] should_failslab+0xa8/0x100 [ 397.287687][ T5691] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.287714][ T5691] ? __alloc_skb+0x1d7/0x7a0 [ 397.287737][ T5691] ? __alloc_skb+0x1d7/0x7a0 [ 397.287767][ T5691] __alloc_skb+0x1d7/0x7a0 [ 397.287793][ T5691] ? process_one_work+0x7fd/0x1480 [ 397.287813][ T5691] reset_per_cpu_data+0x31/0x1e0 [ 397.287840][ T5691] ? process_one_work+0x7fd/0x1480 [ 397.287861][ T5691] send_dm_alert+0x21/0x100 [ 397.287890][ T5691] process_one_work+0xaaf/0x1480 [ 397.287930][ T5691] ? __pfx_process_one_work+0x10/0x10 [ 397.287948][ T5691] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.287980][ T5691] ? assign_work+0x3cf/0x5d0 [ 397.288006][ T5691] worker_thread+0xb05/0x10d0 [ 397.288048][ T5691] kthread+0x388/0x470 [ 397.288074][ T5691] ? __pfx_worker_thread+0x10/0x10 [ 397.288093][ T5691] ? __pfx_kthread+0x10/0x10 [ 397.288120][ T5691] ret_from_fork+0x514/0xb70 [ 397.288148][ T5691] ? __pfx_ret_from_fork+0x10/0x10 [ 397.288174][ T5691] ? __switch_to+0xc89/0x1420 [ 397.288199][ T5691] ? __pfx_kthread+0x10/0x10 [ 397.288225][ T5691] ret_from_fork_asm+0x1a/0x30 [ 397.288266][ T5691] [ 397.288313][ T6550] FAULT_INJECTION: forcing a failure. [ 397.288313][ T6550] name failslab, interval 1, probability 100, space 0, times 44 [ 397.288336][ T6550] CPU: 0 UID: 0 PID: 6550 Comm: kworker/u8:19 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.288357][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.288369][ T6550] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.288398][ T6550] Call Trace: [ 397.288405][ T6550] [ 397.288413][ T6550] dump_stack_lvl+0xe8/0x150 [ 397.288438][ T6550] should_fail_ex+0x467/0x600 [ 397.288467][ T6550] should_failslab+0xa8/0x100 [ 397.288487][ T6550] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.288515][ T6550] ? __alloc_skb+0x1d7/0x7a0 [ 397.288538][ T6550] ? __alloc_skb+0x1d7/0x7a0 [ 397.288569][ T6550] __alloc_skb+0x1d7/0x7a0 [ 397.288599][ T6550] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.288662][ T6550] ? process_one_work+0x7fd/0x1480 [ 397.288684][ T6550] process_one_work+0xaaf/0x1480 [ 397.288726][ T6550] ? __pfx_process_one_work+0x10/0x10 [ 397.288744][ T6550] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.288777][ T6550] ? assign_work+0x3cf/0x5d0 [ 397.288803][ T6550] worker_thread+0xb05/0x10d0 [ 397.288848][ T6550] kthread+0x388/0x470 [ 397.288874][ T6550] ? __pfx_worker_thread+0x10/0x10 [ 397.288893][ T6550] ? __pfx_kthread+0x10/0x10 [ 397.288924][ T6550] ret_from_fork+0x514/0xb70 [ 397.288953][ T6550] ? __pfx_ret_from_fork+0x10/0x10 [ 397.288979][ T6550] ? __switch_to+0xc89/0x1420 [ 397.289005][ T6550] ? __pfx_kthread+0x10/0x10 [ 397.289032][ T6550] ret_from_fork_asm+0x1a/0x30 [ 397.289075][ T6550] [ 397.289088][ T6550] FAULT_INJECTION: forcing a failure. [ 397.289088][ T6550] name failslab, interval 1, probability 100, space 0, times 43 [ 397.289113][ T6550] CPU: 0 UID: 0 PID: 6550 Comm: kworker/u8:19 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.289134][ T6550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.289146][ T6550] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.289173][ T6550] Call Trace: [ 397.289180][ T6550] [ 397.289188][ T6550] dump_stack_lvl+0xe8/0x150 [ 397.289213][ T6550] should_fail_ex+0x467/0x600 [ 397.289242][ T6550] should_failslab+0xa8/0x100 [ 397.289262][ T6550] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.289289][ T6550] ? __alloc_skb+0x1d7/0x7a0 [ 397.289312][ T6550] ? __alloc_skb+0x1d7/0x7a0 [ 397.289343][ T6550] __alloc_skb+0x1d7/0x7a0 [ 397.289372][ T6550] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.289415][ T6550] ? process_one_work+0x7fd/0x1480 [ 397.289436][ T6550] process_one_work+0xaaf/0x1480 [ 397.289478][ T6550] ? __pfx_process_one_work+0x10/0x10 [ 397.289496][ T6550] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.289529][ T6550] ? assign_work+0x3cf/0x5d0 [ 397.289555][ T6550] worker_thread+0xb05/0x10d0 [ 397.289601][ T6550] kthread+0x388/0x470 [ 397.289634][ T6550] ? __pfx_worker_thread+0x10/0x10 [ 397.289653][ T6550] ? __pfx_kthread+0x10/0x10 [ 397.289680][ T6550] ret_from_fork+0x514/0xb70 [ 397.289709][ T6550] ? __pfx_ret_from_fork+0x10/0x10 [ 397.289735][ T6550] ? __switch_to+0xc89/0x1420 [ 397.289760][ T6550] ? __pfx_kthread+0x10/0x10 [ 397.289786][ T6550] ret_from_fork_asm+0x1a/0x30 [ 397.289829][ T6550] [ 397.289877][ T67] FAULT_INJECTION: forcing a failure. [ 397.289877][ T67] name failslab, interval 1, probability 100, space 0, times 41 [ 397.289899][ T67] CPU: 0 UID: 0 PID: 67 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.289920][ T67] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.289932][ T67] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.289961][ T67] Call Trace: [ 397.289968][ T67] [ 397.289975][ T67] dump_stack_lvl+0xe8/0x150 [ 397.290003][ T67] should_fail_ex+0x467/0x600 [ 397.290032][ T67] should_failslab+0xa8/0x100 [ 397.290052][ T67] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.290080][ T67] ? __alloc_skb+0x1d7/0x7a0 [ 397.290102][ T67] ? __alloc_skb+0x1d7/0x7a0 [ 397.290133][ T67] __alloc_skb+0x1d7/0x7a0 [ 397.290162][ T67] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.290204][ T67] ? process_one_work+0x7fd/0x1480 [ 397.290226][ T67] process_one_work+0xaaf/0x1480 [ 397.290268][ T67] ? __pfx_process_one_work+0x10/0x10 [ 397.290286][ T67] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.290318][ T67] ? assign_work+0x3cf/0x5d0 [ 397.290345][ T67] worker_thread+0xb05/0x10d0 [ 397.290390][ T67] kthread+0x388/0x470 [ 397.290416][ T67] ? __pfx_worker_thread+0x10/0x10 [ 397.290435][ T67] ? __pfx_kthread+0x10/0x10 [ 397.290462][ T67] ret_from_fork+0x514/0xb70 [ 397.290492][ T67] ? __pfx_ret_from_fork+0x10/0x10 [ 397.290517][ T67] ? __switch_to+0xc89/0x1420 [ 397.290543][ T67] ? __pfx_kthread+0x10/0x10 [ 397.290570][ T67] ret_from_fork_asm+0x1a/0x30 [ 397.290630][ T67] [ 397.290665][ T67] FAULT_INJECTION: forcing a failure. [ 397.290665][ T67] name failslab, interval 1, probability 100, space 0, times 40 [ 397.290688][ T67] CPU: 0 UID: 0 PID: 67 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.290709][ T67] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.290720][ T67] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.290748][ T67] Call Trace: [ 397.290755][ T67] [ 397.290763][ T67] dump_stack_lvl+0xe8/0x150 [ 397.290788][ T67] should_fail_ex+0x467/0x600 [ 397.290817][ T67] should_failslab+0xa8/0x100 [ 397.290837][ T67] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.290865][ T67] ? __alloc_skb+0x1d7/0x7a0 [ 397.290888][ T67] ? __alloc_skb+0x1d7/0x7a0 [ 397.290919][ T67] __alloc_skb+0x1d7/0x7a0 [ 397.290948][ T67] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.290991][ T67] ? process_one_work+0x7fd/0x1480 [ 397.291012][ T67] process_one_work+0xaaf/0x1480 [ 397.291053][ T67] ? __pfx_process_one_work+0x10/0x10 [ 397.291072][ T67] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.291105][ T67] ? assign_work+0x3cf/0x5d0 [ 397.291126][ T67] worker_thread+0xb05/0x10d0 [ 397.291171][ T67] kthread+0x388/0x470 [ 397.291197][ T67] ? __pfx_worker_thread+0x10/0x10 [ 397.291216][ T67] ? __pfx_kthread+0x10/0x10 [ 397.291243][ T67] ret_from_fork+0x514/0xb70 [ 397.291272][ T67] ? __pfx_ret_from_fork+0x10/0x10 [ 397.291298][ T67] ? __switch_to+0xc89/0x1420 [ 397.291324][ T67] ? __pfx_kthread+0x10/0x10 [ 397.291351][ T67] ret_from_fork_asm+0x1a/0x30 [ 397.291393][ T67] [ 397.291407][ T67] FAULT_INJECTION: forcing a failure. [ 397.291407][ T67] name failslab, interval 1, probability 100, space 0, times 39 [ 397.291429][ T67] CPU: 0 UID: 0 PID: 67 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.291449][ T67] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.291461][ T67] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.291489][ T67] Call Trace: [ 397.291496][ T67] [ 397.291503][ T67] dump_stack_lvl+0xe8/0x150 [ 397.291528][ T67] should_fail_ex+0x467/0x600 [ 397.291560][ T67] should_failslab+0xa8/0x100 [ 397.291580][ T67] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.291614][ T67] ? __alloc_skb+0x1d7/0x7a0 [ 397.291636][ T67] ? __alloc_skb+0x1d7/0x7a0 [ 397.291667][ T67] __alloc_skb+0x1d7/0x7a0 [ 397.291697][ T67] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.291739][ T67] ? process_one_work+0x7fd/0x1480 [ 397.291760][ T67] process_one_work+0xaaf/0x1480 [ 397.291802][ T67] ? __pfx_process_one_work+0x10/0x10 [ 397.291820][ T67] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.291854][ T67] ? assign_work+0x3cf/0x5d0 [ 397.291879][ T67] worker_thread+0xb05/0x10d0 [ 397.291925][ T67] kthread+0x388/0x470 [ 397.291951][ T67] ? __pfx_worker_thread+0x10/0x10 [ 397.291970][ T67] ? __pfx_kthread+0x10/0x10 [ 397.291996][ T67] ret_from_fork+0x514/0xb70 [ 397.292025][ T67] ? __pfx_ret_from_fork+0x10/0x10 [ 397.292052][ T67] ? __switch_to+0xc89/0x1420 [ 397.292077][ T67] ? __pfx_kthread+0x10/0x10 [ 397.292104][ T67] ret_from_fork_asm+0x1a/0x30 [ 397.292147][ T67] [ 397.292275][ T1427] FAULT_INJECTION: forcing a failure. [ 397.292275][ T1427] name failslab, interval 1, probability 100, space 0, times 38 [ 397.292299][ T1427] CPU: 0 UID: 0 PID: 1427 Comm: kworker/u8:11 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.292320][ T1427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.292332][ T1427] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.292361][ T1427] Call Trace: [ 397.292368][ T1427] [ 397.292376][ T1427] dump_stack_lvl+0xe8/0x150 [ 397.292400][ T1427] should_fail_ex+0x467/0x600 [ 397.292430][ T1427] should_failslab+0xa8/0x100 [ 397.292450][ T1427] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.292478][ T1427] ? __alloc_skb+0x1d7/0x7a0 [ 397.292500][ T1427] ? __alloc_skb+0x1d7/0x7a0 [ 397.292532][ T1427] __alloc_skb+0x1d7/0x7a0 [ 397.292561][ T1427] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.292610][ T1427] ? process_one_work+0x7fd/0x1480 [ 397.292631][ T1427] process_one_work+0xaaf/0x1480 [ 397.292674][ T1427] ? __pfx_process_one_work+0x10/0x10 [ 397.292691][ T1427] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.292725][ T1427] ? assign_work+0x3cf/0x5d0 [ 397.292750][ T1427] worker_thread+0xb05/0x10d0 [ 397.292796][ T1427] kthread+0x388/0x470 [ 397.292821][ T1427] ? __pfx_worker_thread+0x10/0x10 [ 397.292841][ T1427] ? __pfx_kthread+0x10/0x10 [ 397.292868][ T1427] ret_from_fork+0x514/0xb70 [ 397.292897][ T1427] ? __pfx_ret_from_fork+0x10/0x10 [ 397.292923][ T1427] ? __switch_to+0xc89/0x1420 [ 397.292949][ T1427] ? __pfx_kthread+0x10/0x10 [ 397.292976][ T1427] ret_from_fork_asm+0x1a/0x30 [ 397.293018][ T1427] [ 397.293031][ T1427] FAULT_INJECTION: forcing a failure. [ 397.293031][ T1427] name failslab, interval 1, probability 100, space 0, times 37 [ 397.293054][ T1427] CPU: 0 UID: 0 PID: 1427 Comm: kworker/u8:11 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.293074][ T1427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.293086][ T1427] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.293113][ T1427] Call Trace: [ 397.293119][ T1427] [ 397.293127][ T1427] dump_stack_lvl+0xe8/0x150 [ 397.293152][ T1427] should_fail_ex+0x467/0x600 [ 397.293181][ T1427] should_failslab+0xa8/0x100 [ 397.293201][ T1427] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.293228][ T1427] ? __alloc_skb+0x1d7/0x7a0 [ 397.293251][ T1427] ? __alloc_skb+0x1d7/0x7a0 [ 397.293282][ T1427] __alloc_skb+0x1d7/0x7a0 [ 397.293312][ T1427] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.293353][ T1427] ? process_one_work+0x7fd/0x1480 [ 397.293374][ T1427] process_one_work+0xaaf/0x1480 [ 397.293416][ T1427] ? __pfx_process_one_work+0x10/0x10 [ 397.293435][ T1427] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.293470][ T1427] ? assign_work+0x3cf/0x5d0 [ 397.293497][ T1427] worker_thread+0xb05/0x10d0 [ 397.293546][ T1427] kthread+0x388/0x470 [ 397.293571][ T1427] ? __pfx_worker_thread+0x10/0x10 [ 397.293591][ T1427] ? __pfx_kthread+0x10/0x10 [ 397.293623][ T1427] ret_from_fork+0x514/0xb70 [ 397.293653][ T1427] ? __pfx_ret_from_fork+0x10/0x10 [ 397.293679][ T1427] ? __switch_to+0xc89/0x1420 [ 397.293704][ T1427] ? __pfx_kthread+0x10/0x10 [ 397.293731][ T1427] ret_from_fork_asm+0x1a/0x30 [ 397.293774][ T1427] [ 397.293812][ T1454] FAULT_INJECTION: forcing a failure. [ 397.293812][ T1454] name failslab, interval 1, probability 100, space 0, times 35 [ 397.293838][ T1454] CPU: 0 UID: 0 PID: 1454 Comm: kworker/u8:13 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.293859][ T1454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.293872][ T1454] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.293900][ T1454] Call Trace: [ 397.293908][ T1454] [ 397.293915][ T1454] dump_stack_lvl+0xe8/0x150 [ 397.293940][ T1454] should_fail_ex+0x467/0x600 [ 397.293969][ T1454] should_failslab+0xa8/0x100 [ 397.293989][ T1454] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.294017][ T1454] ? __alloc_skb+0x1d7/0x7a0 [ 397.294039][ T1454] ? __alloc_skb+0x1d7/0x7a0 [ 397.294071][ T1454] __alloc_skb+0x1d7/0x7a0 [ 397.294100][ T1454] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.294142][ T1454] ? process_one_work+0x7fd/0x1480 [ 397.294163][ T1454] process_one_work+0xaaf/0x1480 [ 397.294205][ T1454] ? __pfx_process_one_work+0x10/0x10 [ 397.294223][ T1454] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.294256][ T1454] ? assign_work+0x3cf/0x5d0 [ 397.294282][ T1454] worker_thread+0xb05/0x10d0 [ 397.294314][ T1454] ? __kthread_parkme+0x71/0x1f0 [ 397.294346][ T1454] kthread+0x388/0x470 [ 397.294372][ T1454] ? __pfx_worker_thread+0x10/0x10 [ 397.294391][ T1454] ? __pfx_kthread+0x10/0x10 [ 397.294418][ T1454] ret_from_fork+0x514/0xb70 [ 397.294447][ T1454] ? __pfx_ret_from_fork+0x10/0x10 [ 397.294473][ T1454] ? __switch_to+0xc89/0x1420 [ 397.294499][ T1454] ? __pfx_kthread+0x10/0x10 [ 397.294526][ T1454] ret_from_fork_asm+0x1a/0x30 [ 397.294569][ T1454] [ 397.294591][ T1454] FAULT_INJECTION: forcing a failure. [ 397.294591][ T1454] name failslab, interval 1, probability 100, space 0, times 34 [ 397.294619][ T1454] CPU: 0 UID: 0 PID: 1454 Comm: kworker/u8:13 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.294640][ T1454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.294651][ T1454] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.294679][ T1454] Call Trace: [ 397.294686][ T1454] [ 397.294694][ T1454] dump_stack_lvl+0xe8/0x150 [ 397.294719][ T1454] should_fail_ex+0x467/0x600 [ 397.294749][ T1454] should_failslab+0xa8/0x100 [ 397.294768][ T1454] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.294796][ T1454] ? __alloc_skb+0x1d7/0x7a0 [ 397.294818][ T1454] ? __alloc_skb+0x1d7/0x7a0 [ 397.294850][ T1454] __alloc_skb+0x1d7/0x7a0 [ 397.294879][ T1454] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.294921][ T1454] ? process_one_work+0x7fd/0x1480 [ 397.294942][ T1454] process_one_work+0xaaf/0x1480 [ 397.294984][ T1454] ? __pfx_process_one_work+0x10/0x10 [ 397.295002][ T1454] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.295036][ T1454] ? assign_work+0x3cf/0x5d0 [ 397.295062][ T1454] worker_thread+0xb05/0x10d0 [ 397.295093][ T1454] ? __kthread_parkme+0x71/0x1f0 [ 397.295126][ T1454] kthread+0x388/0x470 [ 397.295152][ T1454] ? __pfx_worker_thread+0x10/0x10 [ 397.295171][ T1454] ? __pfx_kthread+0x10/0x10 [ 397.295198][ T1454] ret_from_fork+0x514/0xb70 [ 397.295227][ T1454] ? __pfx_ret_from_fork+0x10/0x10 [ 397.295253][ T1454] ? __switch_to+0xc89/0x1420 [ 397.295278][ T1454] ? __pfx_kthread+0x10/0x10 [ 397.295305][ T1454] ret_from_fork_asm+0x1a/0x30 [ 397.295349][ T1454] [ 397.295390][ T998] FAULT_INJECTION: forcing a failure. [ 397.295390][ T998] name failslab, interval 1, probability 100, space 0, times 33 [ 397.295413][ T998] CPU: 0 UID: 0 PID: 998 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.295434][ T998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.295446][ T998] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.295477][ T998] Call Trace: [ 397.295484][ T998] [ 397.295491][ T998] dump_stack_lvl+0xe8/0x150 [ 397.295516][ T998] should_fail_ex+0x467/0x600 [ 397.295546][ T998] should_failslab+0xa8/0x100 [ 397.295566][ T998] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.295593][ T998] ? __alloc_skb+0x1d7/0x7a0 [ 397.295622][ T998] ? __alloc_skb+0x1d7/0x7a0 [ 397.295654][ T998] __alloc_skb+0x1d7/0x7a0 [ 397.295684][ T998] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.295725][ T998] ? process_one_work+0x7fd/0x1480 [ 397.295746][ T998] process_one_work+0xaaf/0x1480 [ 397.295789][ T998] ? __pfx_process_one_work+0x10/0x10 [ 397.295806][ T998] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.295840][ T998] ? assign_work+0x3cf/0x5d0 [ 397.295866][ T998] worker_thread+0xb05/0x10d0 [ 397.295897][ T998] ? __kthread_parkme+0x71/0x1f0 [ 397.295930][ T998] kthread+0x388/0x470 [ 397.295956][ T998] ? __pfx_worker_thread+0x10/0x10 [ 397.295976][ T998] ? __pfx_kthread+0x10/0x10 [ 397.296003][ T998] ret_from_fork+0x514/0xb70 [ 397.296031][ T998] ? __pfx_ret_from_fork+0x10/0x10 [ 397.296057][ T998] ? __switch_to+0xc89/0x1420 [ 397.296083][ T998] ? __pfx_kthread+0x10/0x10 [ 397.296109][ T998] ret_from_fork_asm+0x1a/0x30 [ 397.296153][ T998] [ 397.296174][ T998] FAULT_INJECTION: forcing a failure. [ 397.296174][ T998] name failslab, interval 1, probability 100, space 0, times 32 [ 397.296197][ T998] CPU: 0 UID: 0 PID: 998 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.296217][ T998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.296229][ T998] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.296257][ T998] Call Trace: [ 397.296264][ T998] [ 397.296271][ T998] dump_stack_lvl+0xe8/0x150 [ 397.296297][ T998] should_fail_ex+0x467/0x600 [ 397.296326][ T998] should_failslab+0xa8/0x100 [ 397.296345][ T998] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.296373][ T998] ? __alloc_skb+0x1d7/0x7a0 [ 397.296395][ T998] ? __alloc_skb+0x1d7/0x7a0 [ 397.296427][ T998] __alloc_skb+0x1d7/0x7a0 [ 397.296457][ T998] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.296499][ T998] ? process_one_work+0x7fd/0x1480 [ 397.296519][ T998] process_one_work+0xaaf/0x1480 [ 397.296562][ T998] ? __pfx_process_one_work+0x10/0x10 [ 397.296580][ T998] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.296621][ T998] ? assign_work+0x3cf/0x5d0 [ 397.296646][ T998] worker_thread+0xb05/0x10d0 [ 397.296677][ T998] ? __kthread_parkme+0x71/0x1f0 [ 397.296710][ T998] kthread+0x388/0x470 [ 397.296736][ T998] ? __pfx_worker_thread+0x10/0x10 [ 397.296754][ T998] ? __pfx_kthread+0x10/0x10 [ 397.296780][ T998] ret_from_fork+0x514/0xb70 [ 397.296809][ T998] ? __pfx_ret_from_fork+0x10/0x10 [ 397.296835][ T998] ? __switch_to+0xc89/0x1420 [ 397.296861][ T998] ? __pfx_kthread+0x10/0x10 [ 397.296888][ T998] ret_from_fork_asm+0x1a/0x30 [ 397.296930][ T998] [ 397.302044][ T6553] FAULT_INJECTION: forcing a failure. [ 397.302044][ T6553] name failslab, interval 1, probability 100, space 0, times 31 [ 397.302072][ T6553] CPU: 0 UID: 0 PID: 6553 Comm: kworker/u8:20 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.302094][ T6553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.302106][ T6553] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.302132][ T6553] Call Trace: [ 397.302140][ T6553] [ 397.302148][ T6553] dump_stack_lvl+0xe8/0x150 [ 397.302174][ T6553] should_fail_ex+0x467/0x600 [ 397.302205][ T6553] should_failslab+0xa8/0x100 [ 397.302225][ T6553] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.302256][ T6553] ? __alloc_skb+0x1d7/0x7a0 [ 397.302278][ T6553] ? __alloc_skb+0x1d7/0x7a0 [ 397.302310][ T6553] __alloc_skb+0x1d7/0x7a0 [ 397.302340][ T6553] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.302382][ T6553] ? process_one_work+0x7fd/0x1480 [ 397.302404][ T6553] process_one_work+0xaaf/0x1480 [ 397.302446][ T6553] ? __pfx_process_one_work+0x10/0x10 [ 397.302464][ T6553] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.302498][ T6553] ? assign_work+0x3cf/0x5d0 [ 397.302523][ T6553] worker_thread+0xb05/0x10d0 [ 397.302556][ T6553] ? __kthread_parkme+0x71/0x1f0 [ 397.302588][ T6553] kthread+0x388/0x470 [ 397.302622][ T6553] ? __pfx_worker_thread+0x10/0x10 [ 397.302641][ T6553] ? __pfx_kthread+0x10/0x10 [ 397.302667][ T6553] ret_from_fork+0x514/0xb70 [ 397.302696][ T6553] ? __pfx_ret_from_fork+0x10/0x10 [ 397.302722][ T6553] ? __switch_to+0xc89/0x1420 [ 397.302748][ T6553] ? __pfx_kthread+0x10/0x10 [ 397.302776][ T6553] ret_from_fork_asm+0x1a/0x30 [ 397.302837][ T6553] [ 397.302920][ T6553] FAULT_INJECTION: forcing a failure. [ 397.302920][ T6553] name failslab, interval 1, probability 100, space 0, times 30 [ 397.302944][ T6553] CPU: 0 UID: 0 PID: 6553 Comm: kworker/u8:20 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.302966][ T6553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.302978][ T6553] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.303007][ T6553] Call Trace: [ 397.303014][ T6553] [ 397.303022][ T6553] dump_stack_lvl+0xe8/0x150 [ 397.303047][ T6553] should_fail_ex+0x467/0x600 [ 397.303077][ T6553] should_failslab+0xa8/0x100 [ 397.303097][ T6553] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.303124][ T6553] ? __alloc_skb+0x1d7/0x7a0 [ 397.303147][ T6553] ? __alloc_skb+0x1d7/0x7a0 [ 397.303179][ T6553] __alloc_skb+0x1d7/0x7a0 [ 397.303208][ T6553] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.303250][ T6553] ? process_one_work+0x7fd/0x1480 [ 397.303271][ T6553] process_one_work+0xaaf/0x1480 [ 397.303314][ T6553] ? __pfx_process_one_work+0x10/0x10 [ 397.303332][ T6553] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.303366][ T6553] ? assign_work+0x3cf/0x5d0 [ 397.303391][ T6553] worker_thread+0xb05/0x10d0 [ 397.303423][ T6553] ? __kthread_parkme+0x71/0x1f0 [ 397.303457][ T6553] kthread+0x388/0x470 [ 397.303483][ T6553] ? __pfx_worker_thread+0x10/0x10 [ 397.303503][ T6553] ? __pfx_kthread+0x10/0x10 [ 397.303530][ T6553] ret_from_fork+0x514/0xb70 [ 397.303561][ T6553] ? __pfx_ret_from_fork+0x10/0x10 [ 397.303587][ T6553] ? __switch_to+0xc89/0x1420 [ 397.303619][ T6553] ? __pfx_kthread+0x10/0x10 [ 397.303646][ T6553] ret_from_fork_asm+0x1a/0x30 [ 397.303688][ T6553] [ 397.304000][ T1422] FAULT_INJECTION: forcing a failure. [ 397.304000][ T1422] name failslab, interval 1, probability 100, space 0, times 29 [ 397.304026][ T1422] CPU: 0 UID: 0 PID: 1422 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.304048][ T1422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.304059][ T1422] Workqueue: ipv6_addrconf addrconf_dad_work [ 397.304087][ T1422] Call Trace: [ 397.304094][ T1422] [ 397.304101][ T1422] dump_stack_lvl+0xe8/0x150 [ 397.304127][ T1422] should_fail_ex+0x467/0x600 [ 397.304156][ T1422] should_failslab+0xa8/0x100 [ 397.304176][ T1422] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.304204][ T1422] ? __alloc_skb+0x1d7/0x7a0 [ 397.304227][ T1422] ? __alloc_skb+0x1d7/0x7a0 [ 397.304258][ T1422] __alloc_skb+0x1d7/0x7a0 [ 397.304287][ T1422] inet6_ifmcaddr_notify+0xfa/0x1e0 [ 397.304314][ T1422] ? __pfx_inet6_ifmcaddr_notify+0x10/0x10 [ 397.304344][ T1422] ? mld_del_delrec+0x1af/0xc90 [ 397.304372][ T1422] ? __ipv6_dev_mc_inc+0x540/0xa40 [ 397.304402][ T1422] __ipv6_dev_mc_inc+0x8a0/0xa40 [ 397.304439][ T1422] addrconf_dad_work+0x5dd/0x16e0 [ 397.304468][ T1422] ? addrconf_dad_work+0x131/0x16e0 [ 397.304501][ T1422] ? __pfx_addrconf_dad_work+0x10/0x10 [ 397.304536][ T1422] ? rcu_is_watching+0x15/0xb0 [ 397.304560][ T1422] ? process_one_work+0x7fd/0x1480 [ 397.304581][ T1422] process_one_work+0xaaf/0x1480 [ 397.304629][ T1422] ? __pfx_process_one_work+0x10/0x10 [ 397.304647][ T1422] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.304679][ T1422] ? assign_work+0x3cf/0x5d0 [ 397.304704][ T1422] worker_thread+0xb05/0x10d0 [ 397.304748][ T1422] kthread+0x388/0x470 [ 397.304772][ T1422] ? __pfx_worker_thread+0x10/0x10 [ 397.304792][ T1422] ? __pfx_kthread+0x10/0x10 [ 397.304820][ T1422] ret_from_fork+0x514/0xb70 [ 397.304850][ T1422] ? __pfx_ret_from_fork+0x10/0x10 [ 397.304878][ T1422] ? __switch_to+0xc89/0x1420 [ 397.304905][ T1422] ? __pfx_kthread+0x10/0x10 [ 397.304933][ T1422] ret_from_fork_asm+0x1a/0x30 [ 397.304978][ T1422] [ 397.305166][ T56] FAULT_INJECTION: forcing a failure. [ 397.305166][ T56] name failslab, interval 1, probability 100, space 0, times 28 [ 397.305192][ T56] CPU: 0 UID: 0 PID: 56 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.305214][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.305226][ T56] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.305257][ T56] Call Trace: [ 397.305265][ T56] [ 397.305273][ T56] dump_stack_lvl+0xe8/0x150 [ 397.305299][ T56] should_fail_ex+0x467/0x600 [ 397.305333][ T56] should_failslab+0xa8/0x100 [ 397.305354][ T56] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.305383][ T56] ? __alloc_skb+0x1d7/0x7a0 [ 397.305407][ T56] ? __alloc_skb+0x1d7/0x7a0 [ 397.305440][ T56] __alloc_skb+0x1d7/0x7a0 [ 397.305471][ T56] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.305516][ T56] ? process_one_work+0x7fd/0x1480 [ 397.305538][ T56] process_one_work+0xaaf/0x1480 [ 397.305583][ T56] ? __pfx_process_one_work+0x10/0x10 [ 397.305608][ T56] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.305643][ T56] ? assign_work+0x3cf/0x5d0 [ 397.305670][ T56] worker_thread+0xb05/0x10d0 [ 397.305717][ T56] kthread+0x388/0x470 [ 397.305745][ T56] ? __pfx_worker_thread+0x10/0x10 [ 397.305764][ T56] ? __pfx_kthread+0x10/0x10 [ 397.305793][ T56] ret_from_fork+0x514/0xb70 [ 397.305823][ T56] ? __pfx_ret_from_fork+0x10/0x10 [ 397.305851][ T56] ? __switch_to+0xc89/0x1420 [ 397.305879][ T56] ? __pfx_kthread+0x10/0x10 [ 397.305907][ T56] ret_from_fork_asm+0x1a/0x30 [ 397.305953][ T56] [ 397.305977][ T56] FAULT_INJECTION: forcing a failure. [ 397.305977][ T56] name failslab, interval 1, probability 100, space 0, times 27 [ 397.306000][ T56] CPU: 0 UID: 0 PID: 56 Comm: kworker/u8:3 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.306022][ T56] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.306034][ T56] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.306063][ T56] Call Trace: [ 397.306070][ T56] [ 397.306078][ T56] dump_stack_lvl+0xe8/0x150 [ 397.306103][ T56] should_fail_ex+0x467/0x600 [ 397.306134][ T56] should_failslab+0xa8/0x100 [ 397.306155][ T56] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.306184][ T56] ? __alloc_skb+0x1d7/0x7a0 [ 397.306208][ T56] ? __alloc_skb+0x1d7/0x7a0 [ 397.306239][ T56] __alloc_skb+0x1d7/0x7a0 [ 397.306268][ T56] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.306309][ T56] ? process_one_work+0x7fd/0x1480 [ 397.306331][ T56] process_one_work+0xaaf/0x1480 [ 397.306373][ T56] ? __pfx_process_one_work+0x10/0x10 [ 397.306390][ T56] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.306423][ T56] ? assign_work+0x3cf/0x5d0 [ 397.306449][ T56] worker_thread+0xb05/0x10d0 [ 397.306494][ T56] kthread+0x388/0x470 [ 397.306519][ T56] ? __pfx_worker_thread+0x10/0x10 [ 397.306539][ T56] ? __pfx_kthread+0x10/0x10 [ 397.306566][ T56] ret_from_fork+0x514/0xb70 [ 397.306594][ T56] ? __pfx_ret_from_fork+0x10/0x10 [ 397.306628][ T56] ? __switch_to+0xc89/0x1420 [ 397.306653][ T56] ? __pfx_kthread+0x10/0x10 [ 397.306680][ T56] ret_from_fork_asm+0x1a/0x30 [ 397.306728][ T56] [ 397.313243][ T1422] FAULT_INJECTION: forcing a failure. [ 397.313243][ T1422] name failslab, interval 1, probability 100, space 0, times 26 [ 397.313270][ T1422] CPU: 0 UID: 0 PID: 1422 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.313292][ T1422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.313304][ T1422] Workqueue: ipv6_addrconf addrconf_dad_work [ 397.313333][ T1422] Call Trace: [ 397.313340][ T1422] [ 397.313348][ T1422] dump_stack_lvl+0xe8/0x150 [ 397.313374][ T1422] should_fail_ex+0x467/0x600 [ 397.313403][ T1422] should_failslab+0xa8/0x100 [ 397.313424][ T1422] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.313451][ T1422] ? __alloc_skb+0x1d7/0x7a0 [ 397.313474][ T1422] ? __alloc_skb+0x1d7/0x7a0 [ 397.313505][ T1422] __alloc_skb+0x1d7/0x7a0 [ 397.313535][ T1422] __ipv6_ifa_notify+0x1d0/0xc60 [ 397.313573][ T1422] ? __pfx___ipv6_ifa_notify+0x10/0x10 [ 397.313612][ T1422] ? __cancel_work+0x17f/0x230 [ 397.313638][ T1422] ? lockdep_hardirqs_on+0x7a/0x110 [ 397.313666][ T1422] addrconf_dad_completed+0x1b5/0xe60 [ 397.313701][ T1422] ? __pfx_addrconf_dad_completed+0x10/0x10 [ 397.313729][ T1422] ? __local_bh_enable_ip+0x1ae/0x2b0 [ 397.313750][ T1422] ? lockdep_hardirqs_on+0x7a/0x110 [ 397.313774][ T1422] addrconf_dad_work+0xdda/0x16e0 [ 397.313802][ T1422] ? addrconf_dad_work+0x131/0x16e0 [ 397.313835][ T1422] ? __pfx_addrconf_dad_work+0x10/0x10 [ 397.313875][ T1422] ? rcu_is_watching+0x15/0xb0 [ 397.313897][ T1422] ? process_one_work+0x7fd/0x1480 [ 397.313919][ T1422] process_one_work+0xaaf/0x1480 [ 397.313960][ T1422] ? __pfx_process_one_work+0x10/0x10 [ 397.313978][ T1422] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.314011][ T1422] ? assign_work+0x3cf/0x5d0 [ 397.314036][ T1422] worker_thread+0xb05/0x10d0 [ 397.314081][ T1422] kthread+0x388/0x470 [ 397.314105][ T1422] ? __pfx_worker_thread+0x10/0x10 [ 397.314125][ T1422] ? __pfx_kthread+0x10/0x10 [ 397.314151][ T1422] ret_from_fork+0x514/0xb70 [ 397.314180][ T1422] ? __pfx_ret_from_fork+0x10/0x10 [ 397.314207][ T1422] ? __switch_to+0xc89/0x1420 [ 397.314232][ T1422] ? __pfx_kthread+0x10/0x10 [ 397.314259][ T1422] ret_from_fork_asm+0x1a/0x30 [ 397.314301][ T1422] [ 397.314423][ T1345] FAULT_INJECTION: forcing a failure. [ 397.314423][ T1345] name failslab, interval 1, probability 100, space 0, times 25 [ 397.314448][ T1345] CPU: 0 UID: 0 PID: 1345 Comm: kworker/u8:8 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.314470][ T1345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.314482][ T1345] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.314511][ T1345] Call Trace: [ 397.314519][ T1345] [ 397.314527][ T1345] dump_stack_lvl+0xe8/0x150 [ 397.314552][ T1345] should_fail_ex+0x467/0x600 [ 397.314581][ T1345] should_failslab+0xa8/0x100 [ 397.314609][ T1345] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.314635][ T1345] ? __alloc_skb+0x1d7/0x7a0 [ 397.314659][ T1345] ? __alloc_skb+0x1d7/0x7a0 [ 397.314691][ T1345] __alloc_skb+0x1d7/0x7a0 [ 397.314719][ T1345] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.314762][ T1345] ? process_one_work+0x7fd/0x1480 [ 397.314784][ T1345] process_one_work+0xaaf/0x1480 [ 397.314826][ T1345] ? __pfx_process_one_work+0x10/0x10 [ 397.314843][ T1345] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.314876][ T1345] ? assign_work+0x3cf/0x5d0 [ 397.314902][ T1345] worker_thread+0xb05/0x10d0 [ 397.314933][ T1345] ? __kthread_parkme+0x71/0x1f0 [ 397.314967][ T1345] kthread+0x388/0x470 [ 397.314993][ T1345] ? __pfx_worker_thread+0x10/0x10 [ 397.315013][ T1345] ? __pfx_kthread+0x10/0x10 [ 397.315039][ T1345] ret_from_fork+0x514/0xb70 [ 397.315068][ T1345] ? __pfx_ret_from_fork+0x10/0x10 [ 397.315095][ T1345] ? __switch_to+0xc89/0x1420 [ 397.315120][ T1345] ? __pfx_kthread+0x10/0x10 [ 397.315147][ T1345] ret_from_fork_asm+0x1a/0x30 [ 397.315191][ T1345] [ 397.315204][ T1345] FAULT_INJECTION: forcing a failure. [ 397.315204][ T1345] name failslab, interval 1, probability 100, space 0, times 24 [ 397.315226][ T1345] CPU: 0 UID: 0 PID: 1345 Comm: kworker/u8:8 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.315247][ T1345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.315259][ T1345] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.315287][ T1345] Call Trace: [ 397.315294][ T1345] [ 397.315302][ T1345] dump_stack_lvl+0xe8/0x150 [ 397.315328][ T1345] should_fail_ex+0x467/0x600 [ 397.315356][ T1345] should_failslab+0xa8/0x100 [ 397.315377][ T1345] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.315404][ T1345] ? __alloc_skb+0x1d7/0x7a0 [ 397.315427][ T1345] ? __alloc_skb+0x1d7/0x7a0 [ 397.315459][ T1345] __alloc_skb+0x1d7/0x7a0 [ 397.315488][ T1345] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.315531][ T1345] ? process_one_work+0x7fd/0x1480 [ 397.315551][ T1345] process_one_work+0xaaf/0x1480 [ 397.315594][ T1345] ? __pfx_process_one_work+0x10/0x10 [ 397.315618][ T1345] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.315650][ T1345] ? assign_work+0x3cf/0x5d0 [ 397.315676][ T1345] worker_thread+0xb05/0x10d0 [ 397.315708][ T1345] ? __kthread_parkme+0x71/0x1f0 [ 397.315741][ T1345] kthread+0x388/0x470 [ 397.315766][ T1345] ? __pfx_worker_thread+0x10/0x10 [ 397.315785][ T1345] ? __pfx_kthread+0x10/0x10 [ 397.315813][ T1345] ret_from_fork+0x514/0xb70 [ 397.315842][ T1345] ? __pfx_ret_from_fork+0x10/0x10 [ 397.315868][ T1345] ? __switch_to+0xc89/0x1420 [ 397.315894][ T1345] ? __pfx_kthread+0x10/0x10 [ 397.315921][ T1345] ret_from_fork_asm+0x1a/0x30 [ 397.315967][ T1345] [ 397.317329][ T1441] FAULT_INJECTION: forcing a failure. [ 397.317329][ T1441] name failslab, interval 1, probability 100, space 0, times 23 [ 397.317358][ T1441] CPU: 0 UID: 0 PID: 1441 Comm: kworker/u8:12 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.317381][ T1441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.317392][ T1441] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.317423][ T1441] Call Trace: [ 397.317430][ T1441] [ 397.317438][ T1441] dump_stack_lvl+0xe8/0x150 [ 397.317465][ T1441] should_fail_ex+0x467/0x600 [ 397.317494][ T1441] should_failslab+0xa8/0x100 [ 397.317514][ T1441] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.317542][ T1441] ? __alloc_skb+0x1d7/0x7a0 [ 397.317565][ T1441] ? __alloc_skb+0x1d7/0x7a0 [ 397.317599][ T1441] __alloc_skb+0x1d7/0x7a0 [ 397.317635][ T1441] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.317678][ T1441] ? process_one_work+0x7fd/0x1480 [ 397.317698][ T1441] process_one_work+0xaaf/0x1480 [ 397.317741][ T1441] ? __pfx_process_one_work+0x10/0x10 [ 397.317760][ T1441] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.317792][ T1441] ? assign_work+0x3cf/0x5d0 [ 397.317818][ T1441] worker_thread+0xb05/0x10d0 [ 397.317864][ T1441] kthread+0x388/0x470 [ 397.317890][ T1441] ? __pfx_worker_thread+0x10/0x10 [ 397.317909][ T1441] ? __pfx_kthread+0x10/0x10 [ 397.317937][ T1441] ret_from_fork+0x514/0xb70 [ 397.317966][ T1441] ? __pfx_ret_from_fork+0x10/0x10 [ 397.317992][ T1441] ? __switch_to+0xc89/0x1420 [ 397.318017][ T1441] ? __pfx_kthread+0x10/0x10 [ 397.318044][ T1441] ret_from_fork_asm+0x1a/0x30 [ 397.318087][ T1441] [ 397.318126][ T1441] FAULT_INJECTION: forcing a failure. [ 397.318126][ T1441] name failslab, interval 1, probability 100, space 0, times 22 [ 397.318149][ T1441] CPU: 0 UID: 0 PID: 1441 Comm: kworker/u8:12 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.318170][ T1441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.318182][ T1441] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.318211][ T1441] Call Trace: [ 397.318218][ T1441] [ 397.318225][ T1441] dump_stack_lvl+0xe8/0x150 [ 397.318251][ T1441] should_fail_ex+0x467/0x600 [ 397.318280][ T1441] should_failslab+0xa8/0x100 [ 397.318301][ T1441] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.318327][ T1441] ? __alloc_skb+0x1d7/0x7a0 [ 397.318350][ T1441] ? __alloc_skb+0x1d7/0x7a0 [ 397.318385][ T1441] __alloc_skb+0x1d7/0x7a0 [ 397.318414][ T1441] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.318456][ T1441] ? process_one_work+0x7fd/0x1480 [ 397.318478][ T1441] process_one_work+0xaaf/0x1480 [ 397.318520][ T1441] ? __pfx_process_one_work+0x10/0x10 [ 397.318538][ T1441] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.318572][ T1441] ? assign_work+0x3cf/0x5d0 [ 397.318597][ T1441] worker_thread+0xb05/0x10d0 [ 397.318650][ T1441] kthread+0x388/0x470 [ 397.318675][ T1441] ? __pfx_worker_thread+0x10/0x10 [ 397.318695][ T1441] ? __pfx_kthread+0x10/0x10 [ 397.318722][ T1441] ret_from_fork+0x514/0xb70 [ 397.318751][ T1441] ? __pfx_ret_from_fork+0x10/0x10 [ 397.318778][ T1441] ? __switch_to+0xc89/0x1420 [ 397.318804][ T1441] ? __pfx_kthread+0x10/0x10 [ 397.318831][ T1441] ret_from_fork_asm+0x1a/0x30 [ 397.318876][ T1441] [ 397.318937][ T1427] FAULT_INJECTION: forcing a failure. [ 397.318937][ T1427] name failslab, interval 1, probability 100, space 0, times 22 [ 397.318960][ T1427] CPU: 0 UID: 0 PID: 1427 Comm: kworker/u8:11 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.318981][ T1427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.318993][ T1427] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.319022][ T1427] Call Trace: [ 397.319029][ T1427] [ 397.319036][ T1427] dump_stack_lvl+0xe8/0x150 [ 397.319061][ T1427] should_fail_ex+0x467/0x600 [ 397.319091][ T1427] should_failslab+0xa8/0x100 [ 397.319111][ T1427] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.319138][ T1427] ? __alloc_skb+0x1d7/0x7a0 [ 397.319161][ T1427] ? __alloc_skb+0x1d7/0x7a0 [ 397.319192][ T1427] __alloc_skb+0x1d7/0x7a0 [ 397.319222][ T1427] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.319263][ T1427] ? process_one_work+0x7fd/0x1480 [ 397.319285][ T1427] process_one_work+0xaaf/0x1480 [ 397.319327][ T1427] ? __pfx_process_one_work+0x10/0x10 [ 397.319345][ T1427] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.319378][ T1427] ? assign_work+0x3cf/0x5d0 [ 397.319404][ T1427] worker_thread+0xb05/0x10d0 [ 397.319449][ T1427] kthread+0x388/0x470 [ 397.319474][ T1427] ? __pfx_worker_thread+0x10/0x10 [ 397.319494][ T1427] ? __pfx_kthread+0x10/0x10 [ 397.319521][ T1427] ret_from_fork+0x514/0xb70 [ 397.319550][ T1427] ? __pfx_ret_from_fork+0x10/0x10 [ 397.319576][ T1427] ? __switch_to+0xc89/0x1420 [ 397.319608][ T1427] ? __pfx_kthread+0x10/0x10 [ 397.319635][ T1427] ret_from_fork_asm+0x1a/0x30 [ 397.319677][ T1427] [ 397.319690][ T1427] FAULT_INJECTION: forcing a failure. [ 397.319690][ T1427] name failslab, interval 1, probability 100, space 0, times 21 [ 397.319713][ T1427] CPU: 0 UID: 0 PID: 1427 Comm: kworker/u8:11 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.319735][ T1427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.319747][ T1427] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.319776][ T1427] Call Trace: [ 397.319784][ T1427] [ 397.319792][ T1427] dump_stack_lvl+0xe8/0x150 [ 397.319816][ T1427] should_fail_ex+0x467/0x600 [ 397.319846][ T1427] should_failslab+0xa8/0x100 [ 397.319866][ T1427] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.319894][ T1427] ? __alloc_skb+0x1d7/0x7a0 [ 397.319916][ T1427] ? __alloc_skb+0x1d7/0x7a0 [ 397.319947][ T1427] __alloc_skb+0x1d7/0x7a0 [ 397.319976][ T1427] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.320018][ T1427] ? process_one_work+0x7fd/0x1480 [ 397.320039][ T1427] process_one_work+0xaaf/0x1480 [ 397.320082][ T1427] ? __pfx_process_one_work+0x10/0x10 [ 397.320100][ T1427] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.320133][ T1427] ? assign_work+0x3cf/0x5d0 [ 397.320159][ T1427] worker_thread+0xb05/0x10d0 [ 397.320204][ T1427] kthread+0x388/0x470 [ 397.320230][ T1427] ? __pfx_worker_thread+0x10/0x10 [ 397.320249][ T1427] ? __pfx_kthread+0x10/0x10 [ 397.320276][ T1427] ret_from_fork+0x514/0xb70 [ 397.320306][ T1427] ? __pfx_ret_from_fork+0x10/0x10 [ 397.320332][ T1427] ? __switch_to+0xc89/0x1420 [ 397.320358][ T1427] ? __pfx_kthread+0x10/0x10 [ 397.320385][ T1427] ret_from_fork_asm+0x1a/0x30 [ 397.320428][ T1427] [ 397.320441][ T1427] FAULT_INJECTION: forcing a failure. [ 397.320441][ T1427] name failslab, interval 1, probability 100, space 0, times 20 [ 397.321617][ T1454] FAULT_INJECTION: forcing a failure. [ 397.321617][ T1454] name failslab, interval 1, probability 100, space 0, times 20 [ 397.321643][ T1454] CPU: 0 UID: 0 PID: 1454 Comm: kworker/u8:13 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.321665][ T1454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.321677][ T1454] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.321706][ T1454] Call Trace: [ 397.321713][ T1454] [ 397.321721][ T1454] dump_stack_lvl+0xe8/0x150 [ 397.321748][ T1454] should_fail_ex+0x467/0x600 [ 397.321781][ T1454] should_failslab+0xa8/0x100 [ 397.321802][ T1454] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.321829][ T1454] ? __alloc_skb+0x1d7/0x7a0 [ 397.321853][ T1454] ? __alloc_skb+0x1d7/0x7a0 [ 397.321884][ T1454] __alloc_skb+0x1d7/0x7a0 [ 397.321913][ T1454] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.321956][ T1454] ? process_one_work+0x7fd/0x1480 [ 397.321977][ T1454] process_one_work+0xaaf/0x1480 [ 397.322019][ T1454] ? __pfx_process_one_work+0x10/0x10 [ 397.322040][ T1454] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.322074][ T1454] ? assign_work+0x3cf/0x5d0 [ 397.322099][ T1454] worker_thread+0xb05/0x10d0 [ 397.322126][ T1454] ? __kthread_parkme+0x71/0x1f0 [ 397.322159][ T1454] kthread+0x388/0x470 [ 397.322185][ T1454] ? __pfx_worker_thread+0x10/0x10 [ 397.322204][ T1454] ? __pfx_kthread+0x10/0x10 [ 397.322231][ T1454] ret_from_fork+0x514/0xb70 [ 397.322260][ T1454] ? __pfx_ret_from_fork+0x10/0x10 [ 397.322286][ T1454] ? __switch_to+0xc89/0x1420 [ 397.322312][ T1454] ? __pfx_kthread+0x10/0x10 [ 397.322338][ T1454] ret_from_fork_asm+0x1a/0x30 [ 397.322381][ T1454] [ 397.322405][ T1454] FAULT_INJECTION: forcing a failure. [ 397.322405][ T1454] name failslab, interval 1, probability 100, space 0, times 19 [ 397.322427][ T1454] CPU: 0 UID: 0 PID: 1454 Comm: kworker/u8:13 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.322449][ T1454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.322460][ T1454] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.322489][ T1454] Call Trace: [ 397.322495][ T1454] [ 397.322503][ T1454] dump_stack_lvl+0xe8/0x150 [ 397.322529][ T1454] should_fail_ex+0x467/0x600 [ 397.322557][ T1454] should_failslab+0xa8/0x100 [ 397.322578][ T1454] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.322611][ T1454] ? __alloc_skb+0x1d7/0x7a0 [ 397.322634][ T1454] ? __alloc_skb+0x1d7/0x7a0 [ 397.322664][ T1454] __alloc_skb+0x1d7/0x7a0 [ 397.322694][ T1454] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.322736][ T1454] ? process_one_work+0x7fd/0x1480 [ 397.322757][ T1454] process_one_work+0xaaf/0x1480 [ 397.322800][ T1454] ? __pfx_process_one_work+0x10/0x10 [ 397.322833][ T1454] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.322866][ T1454] ? assign_work+0x3cf/0x5d0 [ 397.322892][ T1454] worker_thread+0xb05/0x10d0 [ 397.322924][ T1454] ? __kthread_parkme+0x71/0x1f0 [ 397.322957][ T1454] kthread+0x388/0x470 [ 397.322983][ T1454] ? __pfx_worker_thread+0x10/0x10 [ 397.323002][ T1454] ? __pfx_kthread+0x10/0x10 [ 397.323029][ T1454] ret_from_fork+0x514/0xb70 [ 397.323058][ T1454] ? __pfx_ret_from_fork+0x10/0x10 [ 397.323084][ T1454] ? __switch_to+0xc89/0x1420 [ 397.323109][ T1454] ? __pfx_kthread+0x10/0x10 [ 397.323138][ T1454] ret_from_fork_asm+0x1a/0x30 [ 397.323182][ T1454] [ 397.323237][ T998] FAULT_INJECTION: forcing a failure. [ 397.323237][ T998] name failslab, interval 1, probability 100, space 0, times 18 [ 397.323261][ T998] CPU: 0 UID: 0 PID: 998 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.323283][ T998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.323294][ T998] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.323324][ T998] Call Trace: [ 397.323331][ T998] [ 397.323339][ T998] dump_stack_lvl+0xe8/0x150 [ 397.323364][ T998] should_fail_ex+0x467/0x600 [ 397.323393][ T998] should_failslab+0xa8/0x100 [ 397.323413][ T998] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.323441][ T998] ? __alloc_skb+0x1d7/0x7a0 [ 397.323464][ T998] ? __alloc_skb+0x1d7/0x7a0 [ 397.323494][ T998] __alloc_skb+0x1d7/0x7a0 [ 397.323524][ T998] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.323567][ T998] ? process_one_work+0x7fd/0x1480 [ 397.323587][ T998] process_one_work+0xaaf/0x1480 [ 397.323636][ T998] ? __pfx_process_one_work+0x10/0x10 [ 397.323654][ T998] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.323687][ T998] ? assign_work+0x3cf/0x5d0 [ 397.323712][ T998] worker_thread+0xb05/0x10d0 [ 397.323744][ T998] ? __kthread_parkme+0x71/0x1f0 [ 397.323777][ T998] kthread+0x388/0x470 [ 397.323805][ T998] ? __pfx_worker_thread+0x10/0x10 [ 397.323824][ T998] ? __pfx_kthread+0x10/0x10 [ 397.323847][ C1] FAULT_INJECTION: forcing a failure. [ 397.323847][ C1] name failslab, interval 1, probability 100, space 0, times 18 [ 397.323849][ T998] ret_from_fork+0x514/0xb70 [ 397.323880][ T998] ? __pfx_ret_from_fork+0x10/0x10 [ 397.323905][ T998] ? __switch_to+0xc89/0x1420 [ 397.323929][ T998] ? __pfx_kthread+0x10/0x10 [ 397.323955][ T998] ret_from_fork_asm+0x1a/0x30 [ 397.323996][ T998] [ 397.324007][ C1] CPU: 1 UID: 0 PID: 30 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.324032][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.324045][ C1] Call Trace: [ 397.324042][ C0] FAULT_INJECTION: forcing a failure. [ 397.324042][ C0] name failslab, interval 1, probability 100, space 0, times 18 [ 397.324053][ C1] [ 397.324062][ C1] dump_stack_lvl+0xe8/0x150 [ 397.324090][ C1] should_fail_ex+0x467/0x600 [ 397.324127][ C1] should_failslab+0xa8/0x100 [ 397.324148][ C1] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.324177][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 397.324202][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 397.324235][ C1] __alloc_skb+0x1d7/0x7a0 [ 397.324266][ C1] __netdev_alloc_skb+0xc0/0x4b0 [ 397.324298][ C1] __ieee80211_beacon_get+0xc97/0x1820 [ 397.324337][ C1] ? __lock_acquire+0x6df/0x2e40 [ 397.324356][ C1] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.324391][ C1] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.324427][ C1] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.324473][ C1] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.324511][ C1] __iterate_interfaces+0x2af/0x5a0 [ 397.324542][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.324572][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.324603][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.324633][ C1] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.324667][ C1] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.324692][ C1] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.324720][ C1] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.324768][ C1] hrtimer_run_softirq+0x18f/0x260 [ 397.324803][ C1] handle_softirqs+0x1d9/0x6c0 [ 397.324836][ C1] run_ktimerd+0x69/0x100 [ 397.324860][ C1] smpboot_thread_fn+0x57c/0xa80 [ 397.324888][ C1] ? smpboot_thread_fn+0x4e/0xa80 [ 397.324920][ C1] kthread+0x388/0x470 [ 397.324948][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.324970][ C1] ? __pfx_kthread+0x10/0x10 [ 397.324999][ C1] ret_from_fork+0x514/0xb70 [ 397.325030][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 397.325058][ C1] ? __switch_to+0xc89/0x1420 [ 397.325085][ C1] ? __pfx_kthread+0x10/0x10 [ 397.325119][ C1] ret_from_fork_asm+0x1a/0x30 [ 397.325164][ C1] [ 397.325175][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.325199][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.325196][ C1] FAULT_INJECTION: forcing a failure. [ 397.325196][ C1] name failslab, interval 1, probability 100, space 0, times 17 [ 397.325212][ C0] Call Trace: [ 397.325219][ C0] [ 397.325228][ C0] dump_stack_lvl+0xe8/0x150 [ 397.325255][ C0] should_fail_ex+0x467/0x600 [ 397.325285][ C0] should_failslab+0xa8/0x100 [ 397.325306][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.325335][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.325358][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.325392][ C0] __alloc_skb+0x1d7/0x7a0 [ 397.325422][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 397.325454][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 397.325491][ C0] ? __lock_acquire+0x6df/0x2e40 [ 397.325510][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.325544][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.325581][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.325633][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.325671][ C0] __iterate_interfaces+0x2af/0x5a0 [ 397.325701][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.325731][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.325764][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.325793][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.325828][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.325853][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.325880][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.325928][ C0] hrtimer_run_softirq+0x18f/0x260 [ 397.325962][ C0] handle_softirqs+0x1d9/0x6c0 [ 397.325994][ C0] run_ktimerd+0x69/0x100 [ 397.326018][ C0] smpboot_thread_fn+0x57c/0xa80 [ 397.326045][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 397.326078][ C0] kthread+0x388/0x470 [ 397.326104][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.326128][ C0] ? __pfx_kthread+0x10/0x10 [ 397.326157][ C0] ret_from_fork+0x514/0xb70 [ 397.326188][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 397.326215][ C0] ? __switch_to+0xc89/0x1420 [ 397.326242][ C0] ? __pfx_kthread+0x10/0x10 [ 397.326270][ C0] ret_from_fork_asm+0x1a/0x30 [ 397.326315][ C0] [ 397.326326][ C1] CPU: 1 UID: 0 PID: 30 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.326349][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.326346][ C0] FAULT_INJECTION: forcing a failure. [ 397.326346][ C0] name failslab, interval 1, probability 100, space 0, times 16 [ 397.326362][ C1] Call Trace: [ 397.326372][ C1] [ 397.326380][ C1] dump_stack_lvl+0xe8/0x150 [ 397.326406][ C1] should_fail_ex+0x467/0x600 [ 397.326436][ C1] should_failslab+0xa8/0x100 [ 397.326457][ C1] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.326486][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 397.326510][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 397.326543][ C1] __alloc_skb+0x1d7/0x7a0 [ 397.326574][ C1] __netdev_alloc_skb+0xc0/0x4b0 [ 397.326610][ C1] __ieee80211_beacon_get+0xc97/0x1820 [ 397.326649][ C1] ? __lock_acquire+0x6df/0x2e40 [ 397.326668][ C1] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.326704][ C1] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.326741][ C1] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.326776][ C1] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.326814][ C1] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.326853][ C1] __iterate_interfaces+0x2af/0x5a0 [ 397.326883][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.326914][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.326947][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.326977][ C1] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.327013][ C1] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.327038][ C1] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.327065][ C1] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.327119][ C1] hrtimer_run_softirq+0x18f/0x260 [ 397.327154][ C1] handle_softirqs+0x1d9/0x6c0 [ 397.327187][ C1] run_ktimerd+0x69/0x100 [ 397.327211][ C1] smpboot_thread_fn+0x57c/0xa80 [ 397.327238][ C1] ? smpboot_thread_fn+0x4e/0xa80 [ 397.327270][ C1] kthread+0x388/0x470 [ 397.327298][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.327320][ C1] ? __pfx_kthread+0x10/0x10 [ 397.327349][ C1] ret_from_fork+0x514/0xb70 [ 397.327379][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 397.327407][ C1] ? __switch_to+0xc89/0x1420 [ 397.327434][ C1] ? __pfx_kthread+0x10/0x10 [ 397.327462][ C1] ret_from_fork_asm+0x1a/0x30 [ 397.327507][ C1] [ 397.327518][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.327542][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.327554][ C0] Call Trace: [ 397.327562][ C0] [ 397.327570][ C1] FAULT_INJECTION: forcing a failure. [ 397.327570][ C1] name failslab, interval 1, probability 100, space 0, times 15 [ 397.327570][ C0] dump_stack_lvl+0xe8/0x150 [ 397.327606][ C0] should_fail_ex+0x467/0x600 [ 397.327636][ C0] should_failslab+0xa8/0x100 [ 397.327657][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.327686][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.327710][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.327743][ C0] __alloc_skb+0x1d7/0x7a0 [ 397.327774][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 397.327806][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 397.327843][ C0] ? __lock_acquire+0x6df/0x2e40 [ 397.327861][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.327895][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.327931][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.327966][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.328002][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.328040][ C0] __iterate_interfaces+0x2af/0x5a0 [ 397.328070][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.328100][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.328132][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.328162][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.328197][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.328222][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.328249][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.328297][ C0] hrtimer_run_softirq+0x18f/0x260 [ 397.328331][ C0] handle_softirqs+0x1d9/0x6c0 [ 397.328363][ C0] run_ktimerd+0x69/0x100 [ 397.328387][ C0] smpboot_thread_fn+0x57c/0xa80 [ 397.328414][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 397.328446][ C0] kthread+0x388/0x470 [ 397.328473][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.328496][ C0] ? __pfx_kthread+0x10/0x10 [ 397.328524][ C0] ret_from_fork+0x514/0xb70 [ 397.328555][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 397.328583][ C0] ? __switch_to+0xc89/0x1420 [ 397.328615][ C0] ? __pfx_kthread+0x10/0x10 [ 397.328643][ C0] ret_from_fork_asm+0x1a/0x30 [ 397.328689][ C0] [ 397.328700][ C1] CPU: 1 UID: 0 PID: 30 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.328719][ C0] FAULT_INJECTION: forcing a failure. [ 397.328719][ C0] name failslab, interval 1, probability 100, space 0, times 14 [ 397.328724][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.328738][ C1] Call Trace: [ 397.328746][ C1] [ 397.328754][ C1] dump_stack_lvl+0xe8/0x150 [ 397.328781][ C1] should_fail_ex+0x467/0x600 [ 397.328811][ C1] should_failslab+0xa8/0x100 [ 397.328831][ C1] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.328860][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 397.328884][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 397.328917][ C1] __alloc_skb+0x1d7/0x7a0 [ 397.328949][ C1] __netdev_alloc_skb+0xc0/0x4b0 [ 397.328982][ C1] __ieee80211_beacon_get+0xc97/0x1820 [ 397.329020][ C1] ? __lock_acquire+0x6df/0x2e40 [ 397.329038][ C1] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.329073][ C1] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.329115][ C1] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.329150][ C1] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.329186][ C1] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.329224][ C1] __iterate_interfaces+0x2af/0x5a0 [ 397.329253][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.329283][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.329315][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.329345][ C1] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.329380][ C1] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.329404][ C1] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.329431][ C1] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.329478][ C1] hrtimer_run_softirq+0x18f/0x260 [ 397.329512][ C1] handle_softirqs+0x1d9/0x6c0 [ 397.329544][ C1] run_ktimerd+0x69/0x100 [ 397.329569][ C1] smpboot_thread_fn+0x57c/0xa80 [ 397.329595][ C1] ? smpboot_thread_fn+0x4e/0xa80 [ 397.329628][ C1] kthread+0x388/0x470 [ 397.329655][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.329678][ C1] ? __pfx_kthread+0x10/0x10 [ 397.329706][ C1] ret_from_fork+0x514/0xb70 [ 397.329737][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 397.329765][ C1] ? __switch_to+0xc89/0x1420 [ 397.329792][ C1] ? __pfx_kthread+0x10/0x10 [ 397.329820][ C1] ret_from_fork_asm+0x1a/0x30 [ 397.329865][ C1] [ 397.329876][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.329894][ C1] FAULT_INJECTION: forcing a failure. [ 397.329894][ C1] name failslab, interval 1, probability 100, space 0, times 13 [ 397.329899][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.329912][ C0] Call Trace: [ 397.329920][ C0] [ 397.329929][ C0] dump_stack_lvl+0xe8/0x150 [ 397.329956][ C0] should_fail_ex+0x467/0x600 [ 397.329987][ C0] should_failslab+0xa8/0x100 [ 397.330008][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.330038][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.330063][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.330097][ C0] __alloc_skb+0x1d7/0x7a0 [ 397.330128][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 397.330160][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 397.330197][ C0] ? __lock_acquire+0x6df/0x2e40 [ 397.330216][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.330251][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.330287][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.330321][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.330358][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.330396][ C0] __iterate_interfaces+0x2af/0x5a0 [ 397.330426][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.330456][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.330488][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.330518][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.330553][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.330577][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.330611][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.330658][ C0] hrtimer_run_softirq+0x18f/0x260 [ 397.330692][ C0] handle_softirqs+0x1d9/0x6c0 [ 397.330725][ C0] run_ktimerd+0x69/0x100 [ 397.330749][ C0] smpboot_thread_fn+0x57c/0xa80 [ 397.330775][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 397.330808][ C0] kthread+0x388/0x470 [ 397.330835][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.330858][ C0] ? __pfx_kthread+0x10/0x10 [ 397.330887][ C0] ret_from_fork+0x514/0xb70 [ 397.330917][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 397.330945][ C0] ? __switch_to+0xc89/0x1420 [ 397.330972][ C0] ? __pfx_kthread+0x10/0x10 [ 397.331000][ C0] ret_from_fork_asm+0x1a/0x30 [ 397.331045][ C0] [ 397.331056][ C1] CPU: 1 UID: 0 PID: 30 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.331074][ C0] FAULT_INJECTION: forcing a failure. [ 397.331074][ C0] name failslab, interval 1, probability 100, space 0, times 12 [ 397.331080][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.331093][ C1] Call Trace: [ 397.331106][ C1] [ 397.331115][ C1] dump_stack_lvl+0xe8/0x150 [ 397.331141][ C1] should_fail_ex+0x467/0x600 [ 397.331172][ C1] should_failslab+0xa8/0x100 [ 397.331192][ C1] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.331221][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 397.331246][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 397.331279][ C1] __alloc_skb+0x1d7/0x7a0 [ 397.331310][ C1] __netdev_alloc_skb+0xc0/0x4b0 [ 397.331342][ C1] __ieee80211_beacon_get+0xc97/0x1820 [ 397.331379][ C1] ? __lock_acquire+0x6df/0x2e40 [ 397.331398][ C1] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.331432][ C1] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.331469][ C1] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.331502][ C1] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.331539][ C1] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.331576][ C1] __iterate_interfaces+0x2af/0x5a0 [ 397.331606][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.331637][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.331668][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.331699][ C1] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.331733][ C1] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.331758][ C1] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.331785][ C1] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.331832][ C1] hrtimer_run_softirq+0x18f/0x260 [ 397.331866][ C1] handle_softirqs+0x1d9/0x6c0 [ 397.331898][ C1] run_ktimerd+0x69/0x100 [ 397.331922][ C1] smpboot_thread_fn+0x57c/0xa80 [ 397.331948][ C1] ? smpboot_thread_fn+0x4e/0xa80 [ 397.331982][ C1] kthread+0x388/0x470 [ 397.332008][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.332030][ C1] ? __pfx_kthread+0x10/0x10 [ 397.332059][ C1] ret_from_fork+0x514/0xb70 [ 397.332089][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 397.332123][ C1] ? __switch_to+0xc89/0x1420 [ 397.332149][ C1] ? __pfx_kthread+0x10/0x10 [ 397.332177][ C1] ret_from_fork_asm+0x1a/0x30 [ 397.332222][ C1] [ 397.332234][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.332251][ C1] FAULT_INJECTION: forcing a failure. [ 397.332251][ C1] name failslab, interval 1, probability 100, space 0, times 11 [ 397.332258][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.332271][ C0] Call Trace: [ 397.332278][ C0] [ 397.332286][ C0] dump_stack_lvl+0xe8/0x150 [ 397.332313][ C0] should_fail_ex+0x467/0x600 [ 397.332343][ C0] should_failslab+0xa8/0x100 [ 397.332364][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.332393][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.332417][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.332450][ C0] __alloc_skb+0x1d7/0x7a0 [ 397.332481][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 397.332513][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 397.332550][ C0] ? __lock_acquire+0x6df/0x2e40 [ 397.332569][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.332609][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.332645][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.332679][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.332716][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.332754][ C0] __iterate_interfaces+0x2af/0x5a0 [ 397.332784][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.332815][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.332846][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.332876][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.332911][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.332936][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.332962][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.333010][ C0] hrtimer_run_softirq+0x18f/0x260 [ 397.333043][ C0] handle_softirqs+0x1d9/0x6c0 [ 397.333075][ C0] run_ktimerd+0x69/0x100 [ 397.333099][ C0] smpboot_thread_fn+0x57c/0xa80 [ 397.333126][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 397.333159][ C0] kthread+0x388/0x470 [ 397.333187][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.333210][ C0] ? __pfx_kthread+0x10/0x10 [ 397.333239][ C0] ret_from_fork+0x514/0xb70 [ 397.333269][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 397.333297][ C0] ? __switch_to+0xc89/0x1420 [ 397.333324][ C0] ? __pfx_kthread+0x10/0x10 [ 397.333353][ C0] ret_from_fork_asm+0x1a/0x30 [ 397.333398][ C0] [ 397.333409][ C1] CPU: 1 UID: 0 PID: 30 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.333426][ C0] FAULT_INJECTION: forcing a failure. [ 397.333426][ C0] name failslab, interval 1, probability 100, space 0, times 10 [ 397.333433][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.333446][ C1] Call Trace: [ 397.333453][ C1] [ 397.333461][ C1] dump_stack_lvl+0xe8/0x150 [ 397.333488][ C1] should_fail_ex+0x467/0x600 [ 397.333518][ C1] should_failslab+0xa8/0x100 [ 397.333538][ C1] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.333568][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 397.333592][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 397.333625][ C1] __alloc_skb+0x1d7/0x7a0 [ 397.333656][ C1] __netdev_alloc_skb+0xc0/0x4b0 [ 397.333688][ C1] __ieee80211_beacon_get+0xc97/0x1820 [ 397.333725][ C1] ? __lock_acquire+0x6df/0x2e40 [ 397.333744][ C1] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.333779][ C1] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.333820][ C1] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.333854][ C1] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.333890][ C1] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.333928][ C1] __iterate_interfaces+0x2af/0x5a0 [ 397.333958][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.333988][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.334020][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.334050][ C1] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.334084][ C1] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.334114][ C1] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.334140][ C1] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.334188][ C1] hrtimer_run_softirq+0x18f/0x260 [ 397.334221][ C1] handle_softirqs+0x1d9/0x6c0 [ 397.334253][ C1] run_ktimerd+0x69/0x100 [ 397.334277][ C1] smpboot_thread_fn+0x57c/0xa80 [ 397.334304][ C1] ? smpboot_thread_fn+0x4e/0xa80 [ 397.334337][ C1] kthread+0x388/0x470 [ 397.334364][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.334387][ C1] ? __pfx_kthread+0x10/0x10 [ 397.334415][ C1] ret_from_fork+0x514/0xb70 [ 397.334446][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 397.334473][ C1] ? __switch_to+0xc89/0x1420 [ 397.334500][ C1] ? __pfx_kthread+0x10/0x10 [ 397.334529][ C1] ret_from_fork_asm+0x1a/0x30 [ 397.334574][ C1] [ 397.334585][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.334614][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.334625][ C0] Call Trace: [ 397.334633][ C0] [ 397.334641][ C0] dump_stack_lvl+0xe8/0x150 [ 397.334668][ C0] should_fail_ex+0x467/0x600 [ 397.334698][ C0] should_failslab+0xa8/0x100 [ 397.334720][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.334751][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.334776][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.334810][ C0] __alloc_skb+0x1d7/0x7a0 [ 397.334843][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 397.334877][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 397.334916][ C0] ? __lock_acquire+0x6df/0x2e40 [ 397.334936][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.334973][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.335010][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.335047][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.335086][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.335123][ C0] __iterate_interfaces+0x2af/0x5a0 [ 397.335155][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.335187][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.335220][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.335252][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.335289][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.335315][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.335343][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.335394][ C0] hrtimer_run_softirq+0x18f/0x260 [ 397.335429][ C0] handle_softirqs+0x1d9/0x6c0 [ 397.335463][ C0] run_ktimerd+0x69/0x100 [ 397.335488][ C0] smpboot_thread_fn+0x57c/0xa80 [ 397.335516][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 397.335551][ C0] kthread+0x388/0x470 [ 397.335580][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.335611][ C0] ? __pfx_kthread+0x10/0x10 [ 397.335640][ C0] ret_from_fork+0x514/0xb70 [ 397.335673][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 397.335702][ C0] ? __switch_to+0xc89/0x1420 [ 397.335730][ C0] ? __pfx_kthread+0x10/0x10 [ 397.335760][ C0] ret_from_fork_asm+0x1a/0x30 [ 397.335808][ C0] [ 397.335837][ C0] FAULT_INJECTION: forcing a failure. [ 397.335837][ C0] name failslab, interval 1, probability 100, space 0, times 8 [ 397.335863][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.335887][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.335900][ C0] Call Trace: [ 397.335907][ C0] [ 397.335916][ C0] dump_stack_lvl+0xe8/0x150 [ 397.335943][ C0] should_fail_ex+0x467/0x600 [ 397.335976][ C0] should_failslab+0xa8/0x100 [ 397.335998][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.336029][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.336054][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.336089][ C0] __alloc_skb+0x1d7/0x7a0 [ 397.336121][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 397.336154][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 397.336193][ C0] ? __lock_acquire+0x6df/0x2e40 [ 397.336213][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.336250][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.336288][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.336324][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.336361][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.336402][ C0] __iterate_interfaces+0x2af/0x5a0 [ 397.336433][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.336465][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.336498][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.336531][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.336566][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.336593][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.336630][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.336680][ C0] hrtimer_run_softirq+0x18f/0x260 [ 397.336717][ C0] handle_softirqs+0x1d9/0x6c0 [ 397.336751][ C0] run_ktimerd+0x69/0x100 [ 397.336776][ C0] smpboot_thread_fn+0x57c/0xa80 [ 397.336804][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 397.336839][ C0] kthread+0x388/0x470 [ 397.336867][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.336891][ C0] ? __pfx_kthread+0x10/0x10 [ 397.336921][ C0] ret_from_fork+0x514/0xb70 [ 397.336953][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 397.336982][ C0] ? __switch_to+0xc89/0x1420 [ 397.337011][ C0] ? __pfx_kthread+0x10/0x10 [ 397.337041][ C0] ret_from_fork_asm+0x1a/0x30 [ 397.337088][ C0] [ 397.337138][ C0] FAULT_INJECTION: forcing a failure. [ 397.337138][ C0] name failslab, interval 1, probability 100, space 0, times 7 [ 397.337164][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.337187][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.337199][ C0] Call Trace: [ 397.337207][ C0] [ 397.337216][ C0] dump_stack_lvl+0xe8/0x150 [ 397.337243][ C0] should_fail_ex+0x467/0x600 [ 397.337280][ C0] should_failslab+0xa8/0x100 [ 397.337301][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.337332][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.337359][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.337394][ C0] __alloc_skb+0x1d7/0x7a0 [ 397.337427][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 397.337461][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 397.337499][ C0] ? __lock_acquire+0x6df/0x2e40 [ 397.337520][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.337556][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.337594][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.337637][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.337676][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.337715][ C0] __iterate_interfaces+0x2af/0x5a0 [ 397.337747][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.337779][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.337812][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.337844][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.337881][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.337907][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.337935][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.337985][ C0] hrtimer_run_softirq+0x18f/0x260 [ 397.338020][ C0] handle_softirqs+0x1d9/0x6c0 [ 397.338055][ C0] run_ktimerd+0x69/0x100 [ 397.338081][ C0] smpboot_thread_fn+0x57c/0xa80 [ 397.338108][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 397.338143][ C0] kthread+0x388/0x470 [ 397.338171][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.338194][ C0] ? __pfx_kthread+0x10/0x10 [ 397.338223][ C0] ret_from_fork+0x514/0xb70 [ 397.338258][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 397.338289][ C0] ? __switch_to+0xc89/0x1420 [ 397.338319][ C0] ? __pfx_kthread+0x10/0x10 [ 397.338351][ C0] ret_from_fork_asm+0x1a/0x30 [ 397.338401][ C0] [ 397.338433][ C0] FAULT_INJECTION: forcing a failure. [ 397.338433][ C0] name failslab, interval 1, probability 100, space 0, times 6 [ 397.338460][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.338484][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.338496][ C0] Call Trace: [ 397.338505][ C0] [ 397.338514][ C0] dump_stack_lvl+0xe8/0x150 [ 397.338542][ C0] should_fail_ex+0x467/0x600 [ 397.338577][ C0] should_failslab+0xa8/0x100 [ 397.338607][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.338637][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.338663][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.338697][ C0] __alloc_skb+0x1d7/0x7a0 [ 397.338729][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 397.338763][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 397.338802][ C0] ? __lock_acquire+0x6df/0x2e40 [ 397.338822][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.338858][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.338897][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.338937][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.338976][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.339016][ C0] __iterate_interfaces+0x2af/0x5a0 [ 397.339047][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.339079][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.339112][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.339144][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.339179][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.339205][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.339234][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.339298][ C0] hrtimer_run_softirq+0x18f/0x260 [ 397.339334][ C0] handle_softirqs+0x1d9/0x6c0 [ 397.339368][ C0] run_ktimerd+0x69/0x100 [ 397.339393][ C0] smpboot_thread_fn+0x57c/0xa80 [ 397.339422][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 397.339457][ C0] kthread+0x388/0x470 [ 397.339485][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.339510][ C0] ? __pfx_kthread+0x10/0x10 [ 397.339540][ C0] ret_from_fork+0x514/0xb70 [ 397.339572][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 397.339607][ C0] ? __switch_to+0xc89/0x1420 [ 397.339636][ C0] ? __pfx_kthread+0x10/0x10 [ 397.339667][ C0] ret_from_fork_asm+0x1a/0x30 [ 397.339714][ C0] [ 397.339744][ C0] FAULT_INJECTION: forcing a failure. [ 397.339744][ C0] name failslab, interval 1, probability 100, space 0, times 5 [ 397.339769][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.339791][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.339804][ C0] Call Trace: [ 397.339812][ C0] [ 397.339820][ C0] dump_stack_lvl+0xe8/0x150 [ 397.339848][ C0] should_fail_ex+0x467/0x600 [ 397.339880][ C0] should_failslab+0xa8/0x100 [ 397.339902][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.339933][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.339958][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.339993][ C0] __alloc_skb+0x1d7/0x7a0 [ 397.340026][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 397.340060][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 397.340098][ C0] ? __lock_acquire+0x6df/0x2e40 [ 397.340118][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.340154][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.340192][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.340228][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.340268][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.340306][ C0] __iterate_interfaces+0x2af/0x5a0 [ 397.340338][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.340371][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.340404][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.340433][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.340470][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.340496][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.340524][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.340572][ C0] hrtimer_run_softirq+0x18f/0x260 [ 397.340609][ C0] handle_softirqs+0x1d9/0x6c0 [ 397.340643][ C0] run_ktimerd+0x69/0x100 [ 397.340669][ C0] smpboot_thread_fn+0x57c/0xa80 [ 397.340697][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 397.340732][ C0] kthread+0x388/0x470 [ 397.340761][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.340785][ C0] ? __pfx_kthread+0x10/0x10 [ 397.340815][ C0] ret_from_fork+0x514/0xb70 [ 397.340848][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 397.340877][ C0] ? __switch_to+0xc89/0x1420 [ 397.340906][ C0] ? __pfx_kthread+0x10/0x10 [ 397.340936][ C0] ret_from_fork_asm+0x1a/0x30 [ 397.340983][ C0] [ 397.341012][ C0] FAULT_INJECTION: forcing a failure. [ 397.341012][ C0] name failslab, interval 1, probability 100, space 0, times 4 [ 397.341037][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.341061][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.341073][ C0] Call Trace: [ 397.341081][ C0] [ 397.341089][ C0] dump_stack_lvl+0xe8/0x150 [ 397.341116][ C0] should_fail_ex+0x467/0x600 [ 397.341149][ C0] should_failslab+0xa8/0x100 [ 397.341171][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.341201][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.341227][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.341262][ C0] __alloc_skb+0x1d7/0x7a0 [ 397.341294][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 397.341328][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 397.341368][ C0] ? __lock_acquire+0x6df/0x2e40 [ 397.341388][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.341424][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.341463][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.341498][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.341537][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.341576][ C0] __iterate_interfaces+0x2af/0x5a0 [ 397.341614][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.341647][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.341681][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.341712][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.341749][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.341775][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.341803][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.341853][ C0] hrtimer_run_softirq+0x18f/0x260 [ 397.341889][ C0] handle_softirqs+0x1d9/0x6c0 [ 397.341923][ C0] run_ktimerd+0x69/0x100 [ 397.341948][ C0] smpboot_thread_fn+0x57c/0xa80 [ 397.341977][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 397.342011][ C0] kthread+0x388/0x470 [ 397.342040][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.342064][ C0] ? __pfx_kthread+0x10/0x10 [ 397.342095][ C0] ret_from_fork+0x514/0xb70 [ 397.342126][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 397.342155][ C0] ? __switch_to+0xc89/0x1420 [ 397.342184][ C0] ? __pfx_kthread+0x10/0x10 [ 397.342214][ C0] ret_from_fork_asm+0x1a/0x30 [ 397.342262][ C0] [ 397.342290][ C0] FAULT_INJECTION: forcing a failure. [ 397.342290][ C0] name failslab, interval 1, probability 100, space 0, times 3 [ 397.342314][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.342337][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.342349][ C0] Call Trace: [ 397.342357][ C0] [ 397.342366][ C0] dump_stack_lvl+0xe8/0x150 [ 397.342393][ C0] should_fail_ex+0x467/0x600 [ 397.342425][ C0] should_failslab+0xa8/0x100 [ 397.342447][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.342478][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.342504][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.342539][ C0] __alloc_skb+0x1d7/0x7a0 [ 397.342572][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 397.342611][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 397.342650][ C0] ? __lock_acquire+0x6df/0x2e40 [ 397.342670][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.342707][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.342745][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.342781][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.342834][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.342873][ C0] __iterate_interfaces+0x2af/0x5a0 [ 397.342905][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.342936][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.342970][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.343002][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.343038][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.343064][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.343094][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.343143][ C0] hrtimer_run_softirq+0x18f/0x260 [ 397.343179][ C0] handle_softirqs+0x1d9/0x6c0 [ 397.343213][ C0] run_ktimerd+0x69/0x100 [ 397.343239][ C0] smpboot_thread_fn+0x57c/0xa80 [ 397.343267][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 397.343302][ C0] kthread+0x388/0x470 [ 397.343331][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.343354][ C0] ? __pfx_kthread+0x10/0x10 [ 397.343385][ C0] ret_from_fork+0x514/0xb70 [ 397.343418][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 397.343447][ C0] ? __switch_to+0xc89/0x1420 [ 397.343475][ C0] ? __pfx_kthread+0x10/0x10 [ 397.343505][ C0] ret_from_fork_asm+0x1a/0x30 [ 397.343553][ C0] [ 397.343580][ C0] FAULT_INJECTION: forcing a failure. [ 397.343580][ C0] name failslab, interval 1, probability 100, space 0, times 2 [ 397.343610][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.343633][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.343646][ C0] Call Trace: [ 397.343653][ C0] [ 397.343661][ C0] dump_stack_lvl+0xe8/0x150 [ 397.343688][ C0] should_fail_ex+0x467/0x600 [ 397.343721][ C0] should_failslab+0xa8/0x100 [ 397.343743][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.343773][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.343799][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 397.343834][ C0] __alloc_skb+0x1d7/0x7a0 [ 397.343866][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 397.343900][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 397.343939][ C0] ? __lock_acquire+0x6df/0x2e40 [ 397.343960][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 397.343995][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 397.344034][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 397.344070][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.344107][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 397.344147][ C0] __iterate_interfaces+0x2af/0x5a0 [ 397.344179][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.344210][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 397.344244][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 397.344276][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 397.344312][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 397.344338][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 397.344367][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 397.344417][ C0] hrtimer_run_softirq+0x18f/0x260 [ 397.344453][ C0] handle_softirqs+0x1d9/0x6c0 [ 397.344487][ C0] run_ktimerd+0x69/0x100 [ 397.344512][ C0] smpboot_thread_fn+0x57c/0xa80 [ 397.344541][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 397.344576][ C0] kthread+0x388/0x470 [ 397.344610][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 397.344634][ C0] ? __pfx_kthread+0x10/0x10 [ 397.344664][ C0] ret_from_fork+0x514/0xb70 [ 397.344696][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 397.344725][ C0] ? __switch_to+0xc89/0x1420 [ 397.344755][ C0] ? __pfx_kthread+0x10/0x10 [ 397.344784][ C0] ret_from_fork_asm+0x1a/0x30 [ 397.344831][ C0] [ 397.345177][ T9] FAULT_INJECTION: forcing a failure. [ 397.345177][ T9] name failslab, interval 1, probability 100, space 0, times 1 [ 397.345204][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.345226][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.345238][ T9] Workqueue: mld mld_ifc_work [ 397.345266][ T9] Call Trace: [ 397.345274][ T9] [ 397.345281][ T9] dump_stack_lvl+0xe8/0x150 [ 397.345307][ T9] should_fail_ex+0x467/0x600 [ 397.345336][ T9] should_failslab+0xa8/0x100 [ 397.345357][ T9] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.345384][ T9] ? __alloc_skb+0x1d7/0x7a0 [ 397.345407][ T9] ? __alloc_skb+0x1d7/0x7a0 [ 397.345438][ T9] __alloc_skb+0x1d7/0x7a0 [ 397.345468][ T9] mld_newpack+0x165/0xcb0 [ 397.345498][ T9] ? __lock_acquire+0x6df/0x2e40 [ 397.345517][ T9] ? look_up_lock_class+0x57/0x110 [ 397.345539][ T9] ? __pfx_mld_newpack+0x10/0x10 [ 397.345580][ T9] add_grec+0x119f/0x19d0 [ 397.345625][ T9] ? lockdep_hardirqs_on+0x7a/0x110 [ 397.345645][ T9] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 397.345671][ T9] mld_ifc_work+0x6f1/0xd60 [ 397.345704][ T9] ? process_one_work+0x7fd/0x1480 [ 397.345726][ T9] process_one_work+0xaaf/0x1480 [ 397.345745][ T9] ? irqentry_exit+0x218/0x8f0 [ 397.345782][ T9] ? __pfx_process_one_work+0x10/0x10 [ 397.345800][ T9] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.345833][ T9] ? assign_work+0x3cf/0x5d0 [ 397.345859][ T9] worker_thread+0xb05/0x10d0 [ 397.345903][ T9] kthread+0x388/0x470 [ 397.345929][ T9] ? __pfx_worker_thread+0x10/0x10 [ 397.345948][ T9] ? __pfx_kthread+0x10/0x10 [ 397.345975][ T9] ret_from_fork+0x514/0xb70 [ 397.346003][ T9] ? __pfx_ret_from_fork+0x10/0x10 [ 397.346029][ T9] ? __switch_to+0xc89/0x1420 [ 397.346055][ T9] ? __pfx_kthread+0x10/0x10 [ 397.346082][ T9] ret_from_fork_asm+0x1a/0x30 [ 397.346124][ T9] [ 397.359056][ T1427] CPU: 0 UID: 0 PID: 1427 Comm: kworker/u8:11 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 397.359081][ T1427] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 397.359094][ T1427] Workqueue: events_unbound nsim_dev_trap_report_work [ 397.359126][ T1427] Call Trace: [ 397.359134][ T1427] [ 397.359142][ T1427] dump_stack_lvl+0xe8/0x150 [ 397.359169][ T1427] should_fail_ex+0x467/0x600 [ 397.359199][ T1427] should_failslab+0xa8/0x100 [ 397.359220][ T1427] kmem_cache_alloc_node_noprof+0xac/0x660 [ 397.359247][ T1427] ? __alloc_skb+0x1d7/0x7a0 [ 397.359271][ T1427] ? __alloc_skb+0x1d7/0x7a0 [ 397.359303][ T1427] __alloc_skb+0x1d7/0x7a0 [ 397.359331][ T1427] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 397.359374][ T1427] ? process_one_work+0x7fd/0x1480 [ 397.359395][ T1427] process_one_work+0xaaf/0x1480 [ 397.359438][ T1427] ? __pfx_process_one_work+0x10/0x10 [ 397.359456][ T1427] ? do_raw_spin_lock+0x12b/0x2f0 [ 397.359490][ T1427] ? assign_work+0x3cf/0x5d0 [ 397.359515][ T1427] worker_thread+0xb05/0x10d0 [ 397.359561][ T1427] kthread+0x388/0x470 [ 397.359588][ T1427] ? __pfx_worker_thread+0x10/0x10 [ 397.359613][ T1427] ? __pfx_kthread+0x10/0x10 [ 397.359640][ T1427] ret_from_fork+0x514/0xb70 [ 397.359669][ T1427] ? __pfx_ret_from_fork+0x10/0x10 [ 397.359696][ T1427] ? __switch_to+0xc89/0x1420 [ 397.359722][ T1427] ? __pfx_kthread+0x10/0x10 [ 397.359753][ T1427] ret_from_fork_asm+0x1a/0x30 [ 397.359797][ T1427] [ 401.776785][ T5703] usb 7-1: new high-speed USB device number 2 using dummy_hcd [ 401.900153][ T60] Bluetooth: hci7: unexpected cc 0x0c03 length: 249 > 1 [ 401.981520][ T5703] usb 7-1: New USB device found, idVendor=06b9, idProduct=4061, bcdDevice= 1.00 [ 401.981549][ T5703] usb 7-1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 401.981568][ T5703] usb 7-1: Product: syz [ 401.981583][ T5703] usb 7-1: Manufacturer: syz [ 402.024030][ T60] Bluetooth: hci7: unexpected cc 0x1003 length: 249 > 9 [ 402.045993][ T60] Bluetooth: hci7: unexpected cc 0x1001 length: 249 > 9 [ 402.049280][ T60] Bluetooth: hci7: unexpected cc 0x0c23 length: 249 > 4 [ 402.050594][ T60] Bluetooth: hci7: unexpected cc 0x0c38 length: 249 > 2 [ 403.269720][ T5703] speedtch 7-1:1.0: speedtch_bind: wrong device class 0 [ 403.269746][ T5703] speedtch 7-1:1.0: usbatm_usb_probe: bind failed: -19! [ 403.638264][ T5703] usb 7-1: USB disconnect, device number 2 [ 404.238949][ T60] Bluetooth: hci7: command tx timeout [ 404.604355][ T5600] Bluetooth: hci8: unexpected cc 0x0c03 length: 249 > 1 [ 404.641461][ T5600] Bluetooth: hci8: unexpected cc 0x1003 length: 249 > 9 [ 404.660079][ T5600] Bluetooth: hci8: unexpected cc 0x1001 length: 249 > 9 [ 404.672326][ T5600] Bluetooth: hci8: unexpected cc 0x0c23 length: 249 > 4 [ 404.673135][ T5600] Bluetooth: hci8: unexpected cc 0x0c38 length: 249 > 2 [ 405.598526][ T5600] Bluetooth: hci9: unexpected cc 0x0c03 length: 249 > 1 [ 405.650140][ T5600] Bluetooth: hci9: unexpected cc 0x1003 length: 249 > 9 [ 405.766876][ T5600] Bluetooth: hci9: unexpected cc 0x1001 length: 249 > 9 [ 405.775781][ T5600] Bluetooth: hci9: unexpected cc 0x0c23 length: 249 > 4 [ 405.776544][ T5600] Bluetooth: hci9: unexpected cc 0x0c38 length: 249 > 2 [ 406.316788][ T5600] Bluetooth: hci7: command tx timeout [ 406.593823][ T67] netdevsim netdevsim7 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 406.787648][ T5600] Bluetooth: hci8: command tx timeout [ 407.917648][ T5600] Bluetooth: hci9: command tx timeout [ 408.395085][ T5600] Bluetooth: hci7: command tx timeout [ 408.868385][ T5600] Bluetooth: hci8: command tx timeout [ 409.254024][ T67] netdevsim netdevsim7 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 409.932149][T10467] lo speed is unknown, defaulting to 1000 [ 409.987540][ T5600] Bluetooth: hci9: command tx timeout [ 410.470242][ T5600] Bluetooth: hci7: command tx timeout [ 410.947066][ T5600] Bluetooth: hci8: command tx timeout [ 411.320927][ T67] netdevsim netdevsim7 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 411.786653][T10489] lo speed is unknown, defaulting to 1000 [ 412.080486][ T5600] Bluetooth: hci9: command tx timeout [ 412.533177][ T67] netdevsim netdevsim7 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 413.027593][ T5600] Bluetooth: hci8: command tx timeout [ 413.749008][T10479] lo speed is unknown, defaulting to 1000 [ 414.148615][ T5600] Bluetooth: hci9: command tx timeout [ 414.724742][ T1441] netdevsim netdevsim7 eth1: set [1, 0] type 2 family 0 port 6081 - 0 [ 415.383738][ T1427] netdevsim netdevsim7 eth2: set [1, 0] type 2 family 0 port 6081 - 0 [ 415.763250][ T1345] netdevsim netdevsim7 eth3: set [1, 0] type 2 family 0 port 6081 - 0 [ 415.852761][ T1427] netdevsim netdevsim7 eth4: set [1, 0] type 2 family 0 port 6081 - 0 [ 416.928871][ T67] bridge_slave_1: left allmulticast mode [ 416.928905][ T67] bridge_slave_1: left promiscuous mode [ 416.929179][ T67] bridge0: port 2(bridge_slave_1) entered disabled state [ 417.218135][ T67] bridge_slave_0: left allmulticast mode [ 417.218168][ T67] bridge_slave_0: left promiscuous mode [ 417.218422][ T67] bridge0: port 1(bridge_slave_0) entered disabled state [ 418.945599][ T4958] udevd[4958]: worker [6586] /devices/virtual/block/loop4 is taking a long time [ 421.169539][ T67] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 421.294097][ T67] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 421.333530][ T67] bond0 (unregistering): Released all slaves [ 422.352160][ T60] Bluetooth: hci10: unexpected cc 0x0c03 length: 249 > 1 [ 422.381748][ T60] Bluetooth: hci10: unexpected cc 0x1003 length: 249 > 9 [ 422.419276][ T60] Bluetooth: hci10: unexpected cc 0x1001 length: 249 > 9 [ 422.423478][ T60] Bluetooth: hci10: unexpected cc 0x0c23 length: 249 > 4 [ 422.424864][ T60] Bluetooth: hci10: unexpected cc 0x0c38 length: 249 > 2 [ 424.707176][ T5600] Bluetooth: hci10: command tx timeout [ 424.730172][T10647] lo speed is unknown, defaulting to 1000 [ 424.732009][T10467] bridge0: port 1(bridge_slave_0) entered blocking state [ 424.732274][T10467] bridge0: port 1(bridge_slave_0) entered disabled state [ 424.732570][T10467] bridge_slave_0: entered allmulticast mode [ 424.780039][T10467] bridge_slave_0: entered promiscuous mode [ 424.904199][T10467] bridge0: port 2(bridge_slave_1) entered blocking state [ 424.904370][T10467] bridge0: port 2(bridge_slave_1) entered disabled state [ 424.904554][T10467] bridge_slave_1: entered allmulticast mode [ 424.908845][T10467] bridge_slave_1: entered promiscuous mode [ 425.193496][T10467] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 425.310511][T10467] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 425.676885][T10467] team0: Port device team_slave_0 added [ 425.843385][T10467] team0: Port device team_slave_1 added [ 426.630809][T10467] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 426.630827][T10467] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 426.630854][T10467] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 426.789923][ T60] Bluetooth: hci10: command tx timeout [ 426.792533][T10467] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 426.792545][T10467] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 426.792570][T10467] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 427.146561][T10489] bridge0: port 1(bridge_slave_0) entered blocking state [ 427.155903][T10489] bridge0: port 1(bridge_slave_0) entered disabled state [ 427.156202][T10489] bridge_slave_0: entered allmulticast mode [ 427.168245][T10489] bridge_slave_0: entered promiscuous mode [ 427.367918][ T67] hsr_slave_0: left promiscuous mode [ 427.406823][ T67] hsr_slave_1: left promiscuous mode [ 427.408478][ T67] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 427.408700][ T67] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 427.448763][ T67] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 427.448790][ T67] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 427.559260][ T67] veth1_macvtap: left promiscuous mode [ 427.559518][ T67] veth0_macvtap: left promiscuous mode [ 427.573486][ T67] veth1_vlan: left promiscuous mode [ 427.574514][ T67] veth0_vlan: left promiscuous mode [ 428.679336][ T67] team0 (unregistering): Port device team_slave_1 removed [ 428.738675][ T67] team0 (unregistering): Port device team_slave_0 removed [ 428.868249][ T60] Bluetooth: hci10: command tx timeout [ 429.132197][T10489] bridge0: port 2(bridge_slave_1) entered blocking state [ 429.132389][T10489] bridge0: port 2(bridge_slave_1) entered disabled state [ 429.132552][T10489] bridge_slave_1: entered allmulticast mode [ 429.136096][T10489] bridge_slave_1: entered promiscuous mode [ 429.446205][T10467] hsr_slave_0: entered promiscuous mode [ 429.455284][T10467] hsr_slave_1: entered promiscuous mode [ 429.497160][T10467] debugfs: 'hsr0' already exists in 'hsr' [ 429.497185][T10467] Cannot create hsr debugfs directory [ 429.548085][T10489] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 429.664699][T10489] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 429.862462][T10479] bridge0: port 1(bridge_slave_0) entered blocking state [ 429.862786][T10479] bridge0: port 1(bridge_slave_0) entered disabled state [ 429.863057][T10479] bridge_slave_0: entered allmulticast mode [ 429.866477][T10479] bridge_slave_0: entered promiscuous mode [ 429.973877][T10479] bridge0: port 2(bridge_slave_1) entered blocking state [ 429.974191][T10479] bridge0: port 2(bridge_slave_1) entered disabled state [ 429.974474][T10479] bridge_slave_1: entered allmulticast mode [ 429.981771][T10479] bridge_slave_1: entered promiscuous mode [ 429.992707][T10489] team0: Port device team_slave_0 added [ 430.072820][T10489] team0: Port device team_slave_1 added [ 430.333199][T10479] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 430.335593][T10489] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 430.335608][T10489] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 430.335635][T10489] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 430.741668][T10479] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 430.744264][T10489] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 430.744278][T10489] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 430.744306][T10489] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 430.952441][ T60] Bluetooth: hci10: command tx timeout [ 430.979742][T10479] team0: Port device team_slave_0 added [ 431.018331][T10479] team0: Port device team_slave_1 added [ 431.177180][T10489] hsr_slave_0: entered promiscuous mode [ 431.179336][T10489] hsr_slave_1: entered promiscuous mode [ 431.180307][T10489] debugfs: 'hsr0' already exists in 'hsr' [ 431.180329][T10489] Cannot create hsr debugfs directory [ 431.217632][T10479] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 431.217642][T10479] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 431.217656][T10479] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 431.284501][T10479] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 431.284512][T10479] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 431.284528][T10479] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 431.535749][ T67] netdevsim netdevsim9 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 431.823517][T10467] netdevsim netdevsim7 eth4 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 432.047351][ T67] netdevsim netdevsim9 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 432.183005][T10479] hsr_slave_0: entered promiscuous mode [ 432.184311][T10479] hsr_slave_1: entered promiscuous mode [ 432.185298][T10479] debugfs: 'hsr0' already exists in 'hsr' [ 432.185321][T10479] Cannot create hsr debugfs directory [ 432.222523][T10467] netdevsim netdevsim7 eth3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 432.533978][ T67] netdevsim netdevsim9 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 432.644332][T10467] netdevsim netdevsim7 eth2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 432.708090][T10647] bridge0: port 1(bridge_slave_0) entered blocking state [ 432.708415][T10647] bridge0: port 1(bridge_slave_0) entered disabled state [ 432.708724][T10647] bridge_slave_0: entered allmulticast mode [ 432.711947][T10647] bridge_slave_0: entered promiscuous mode [ 432.830587][T10647] bridge0: port 2(bridge_slave_1) entered blocking state [ 432.830814][T10647] bridge0: port 2(bridge_slave_1) entered disabled state [ 432.830983][T10647] bridge_slave_1: entered allmulticast mode [ 432.832883][T10647] bridge_slave_1: entered promiscuous mode [ 432.989854][ T67] netdevsim netdevsim9 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 433.122249][T10467] netdevsim netdevsim7 eth1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 433.220830][T10647] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 433.274693][T10647] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 433.365566][T10647] team0: Port device team_slave_0 added [ 433.388398][T10647] team0: Port device team_slave_1 added [ 433.465474][T10647] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 433.465491][T10647] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 433.465516][T10647] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 433.621324][T10647] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 433.621341][T10647] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1532 would solve the problem. [ 433.621370][T10647] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 433.621791][ T6550] netdevsim netdevsim9 eth1: set [1, 0] type 2 family 0 port 6081 - 0 [ 433.742281][ T6550] netdevsim netdevsim9 eth2: set [1, 0] type 2 family 0 port 6081 - 0 [ 433.801241][ T6550] netdevsim netdevsim9 eth3: set [1, 0] type 2 family 0 port 6081 - 0 [ 433.963523][T10647] hsr_slave_0: entered promiscuous mode [ 433.964822][T10647] hsr_slave_1: entered promiscuous mode [ 433.965824][T10647] debugfs: 'hsr0' already exists in 'hsr' [ 433.965848][T10647] Cannot create hsr debugfs directory [ 433.966075][ T149] netdevsim netdevsim9 eth4: set [1, 0] type 2 family 0 port 6081 - 0 [ 434.215847][T10489] netdevsim netdevsim9 eth4 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 434.492650][ T67] netdevsim netdevsim8 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 434.614761][T10489] netdevsim netdevsim9 eth3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 434.922315][ T67] netdevsim netdevsim8 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 435.021883][T10489] netdevsim netdevsim9 eth2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 435.252872][ T67] netdevsim netdevsim8 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 435.374054][T10489] netdevsim netdevsim9 eth1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 435.598878][ T67] netdevsim netdevsim8 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 435.935872][ T226] netdevsim netdevsim8 eth1: set [1, 0] type 2 family 0 port 6081 - 0 [ 435.985315][ T6548] netdevsim netdevsim8 eth2: set [1, 0] type 2 family 0 port 6081 - 0 [ 436.020333][ T226] netdevsim netdevsim8 eth3: set [1, 0] type 2 family 0 port 6081 - 0 [ 436.072434][ T6548] netdevsim netdevsim8 eth4: set [1, 0] type 2 family 0 port 6081 - 0 [ 436.227928][ T67] bridge_slave_1: left allmulticast mode [ 436.227966][ T67] bridge_slave_1: left promiscuous mode [ 436.228446][ T67] bridge0: port 2(bridge_slave_1) entered disabled state [ 436.347644][ T67] bridge_slave_0: left allmulticast mode [ 436.347667][ T67] bridge_slave_0: left promiscuous mode [ 436.347828][ T67] bridge0: port 1(bridge_slave_0) entered disabled state [ 436.547936][ T67] bridge_slave_1: left allmulticast mode [ 436.547962][ T67] bridge_slave_1: left promiscuous mode [ 436.548130][ T67] bridge0: port 2(bridge_slave_1) entered disabled state [ 436.687955][ T67] bridge_slave_0: left allmulticast mode [ 436.687979][ T67] bridge_slave_0: left promiscuous mode [ 436.688151][ T67] bridge0: port 1(bridge_slave_0) entered disabled state [ 436.946910][ T5600] Bluetooth: hci4: command 0x0406 tx timeout [ 437.637259][ T67] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 437.697434][ T67] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 437.719876][ T67] bond0 (unregistering): Released all slaves [ 438.359580][ T67] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 438.437314][ T67] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 438.479866][ T67] bond0 (unregistering): Released all slaves [ 438.612635][T10479] netdevsim netdevsim8 eth4 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 438.909493][T10479] netdevsim netdevsim8 eth3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 439.133457][T10479] netdevsim netdevsim8 eth2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 439.518973][T10479] netdevsim netdevsim8 eth1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 439.995554][ T1335] ieee802154 phy0 wpan0: encryption failed: -22 [ 439.995635][ T1335] ieee802154 phy1 wpan1: encryption failed: -22 [ 440.015630][ T1335] net_ratelimit: 21 callbacks suppressed [ 440.015649][ T1335] aoe: packet could not be sent on ipvlan0. consider increasing tx_queue_len [ 440.015730][ T1335] aoe: packet could not be sent on ipvlan1. consider increasing tx_queue_len [ 441.116871][ T67] hsr_slave_0: left promiscuous mode [ 441.156820][ T67] hsr_slave_1: left promiscuous mode [ 441.158493][ T67] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 441.158513][ T67] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 441.199472][ T67] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 441.199499][ T67] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 441.271211][ T39] INFO: task syz.1.1156:9315 blocked for more than 143 seconds. [ 441.271237][ T39] Not tainted syzkaller #0 [ 441.271248][ T39] "echo 0 > /proc/sys/kernel/hung_task_time[ 441.271248][ T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 441.271258][ T39] task:syz.1.1156 state:D stack:28360 pid:9315 tgid:9310 ppid:5590 task_flags:0x400140 flags:0x00080002 [ 441.271341][ T39] Call Trace: [ 441.271349][ T39] [ 441.271364][ T39] __schedule+0x1709/0x5530 [ 441.271426][ T39] ? __pfx___schedule+0x10/0x10 [ 441.271472][ T39] rt_mutex_schedule+0x76/0xf0 [ 441.271494][ T39] rt_mutex_slowlock_block+0x55c/0x680 [ 441.271529][ T39] ? rt_mutex_slowlock_block+0x33a/0x680 [ 441.271559][ T39] rt_mutex_slowlock+0x2d4/0x780 [ 441.271587][ T39] ? rt_mutex_slowlock+0x1f2/0x780 [ 441.271615][ T39] ? __pfx_rt_mutex_slowlock+0x10/0x10 [ 441.271660][ T39] ? write_threads+0x3b4/0x610 [ 441.271696][ T39] ? write_threads+0x3b4/0x610 [ 441.271723][ T39] mutex_lock_nested+0x168/0x1d0 [ 441.271754][ T39] write_threads+0x3b4/0x610 [ 441.271786][ T39] ? __pfx_write_threads+0x10/0x10 [ 441.271840][ T39] ? _copy_from_user+0x94/0xb0 [ 441.271861][ T39] ? simple_transaction_get+0x130/0x170 [ 441.271886][ T39] nfsctl_transaction_write+0x112/0x160 [ 441.271917][ T39] ? __pfx_nfsctl_transaction_write+0x10/0x10 [ 441.271946][ T39] vfs_write+0x29f/0xbb0 [ 441.271979][ T39] ? __pfx_vfs_write+0x10/0x10 [ 441.272005][ T39] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 441.272026][ T39] ? lockdep_hardirqs_on+0x7a/0x110 [ 441.272046][ T39] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 441.272067][ T39] ? mutex_lock_nested+0x152/0x1d0 [ 441.272092][ T39] ? fdget_pos+0x252/0x320 [ 441.272120][ T39] ksys_write+0x156/0x270 [ 441.272146][ T39] ? __pfx_ksys_write+0x10/0x10 [ 441.272180][ T39] do_syscall_64+0x17b/0x530 [ 441.272201][ T39] ? irqentry_exit+0x10f/0x8f0 [ 441.272221][ T39] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 441.272242][ T39] ? clear_bhb_loop+0x40/0x90 [ 441.272268][ T39] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 441.272289][ T39] RIP: 0033:0x7fa494b0de99 [ 441.272308][ T39] RSP: 002b:00007fa492d45028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 441.272327][ T39] RAX: ffffffffffffffda RBX: 00007fa494d96090 RCX: 00007fa494b0de99 [ 441.272343][ T39] RDX: 0000000000000002 RSI: 0000200000000800 RDI: 0000000000000006 [ 441.272357][ T39] RBP: 00007fa494ba3eaf R08: 0000000000000000 R09: 0000000000000000 [ 441.272370][ T39] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 441.272383][ T39] R13: 00007fa494d96128 R14: 00007fa494d96090 R15: 00007fff019446f8 [ 441.272416][ T39] [ 441.272424][ T39] INFO: task syz.3.1181:9398 blocked for more than 143 seconds. [ 441.272439][ T39] Not tainted syzkaller #0 [ 441.272449][ T39] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 441.272459][ T39] task:syz.3.1181 state:D stack:27880 pid:9398 tgid:9397 ppid:5589 task_flags:0x400140 flags:0x00080002 [ 441.272548][ T39] Call Trace: [ 441.272556][ T39] [ 441.272568][ T39] __schedule+0x1709/0x5530 [ 441.272625][ T39] ? __pfx___schedule+0x10/0x10 [ 441.272671][ T39] rt_mutex_schedule+0x76/0xf0 [ 441.272690][ T39] rt_mutex_slowlock_block+0x55c/0x680 [ 441.272731][ T39] rt_mutex_slowlock+0x2d4/0x780 [ 441.272760][ T39] ? rt_mutex_slowlock+0x1f2/0x780 [ 441.272787][ T39] ? __pfx_rt_mutex_slowlock+0x10/0x10 [ 441.272837][ T39] ? write_ports+0xb5/0xd20 [ 441.272871][ T39] ? write_ports+0xb5/0xd20 [ 441.272898][ T39] mutex_lock_nested+0x168/0x1d0 [ 441.272930][ T39] write_ports+0xb5/0xd20 [ 441.272962][ T39] ? __pfx_write_ports+0x10/0x10 [ 441.273012][ T39] ? _copy_from_user+0x94/0xb0 [ 441.273032][ T39] ? simple_transaction_get+0x130/0x170 [ 441.273056][ T39] nfsctl_transaction_write+0x112/0x160 [ 441.273088][ T39] ? __pfx_nfsctl_transaction_write+0x10/0x10 [ 441.273118][ T39] vfs_write+0x29f/0xbb0 [ 441.273150][ T39] ? __pfx_vfs_write+0x10/0x10 [ 441.273175][ T39] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 441.273196][ T39] ? lockdep_hardirqs_on+0x7a/0x110 [ 441.273216][ T39] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 441.273236][ T39] ? mutex_lock_nested+0x152/0x1d0 [ 441.273261][ T39] ? fdget_pos+0x252/0x320 [ 441.273290][ T39] ksys_write+0x156/0x270 [ 441.273316][ T39] ? __pfx_ksys_write+0x10/0x10 [ 441.273350][ T39] do_syscall_64+0x17b/0x530 [ 441.273370][ T39] ? irqentry_exit+0x10f/0x8f0 [ 441.273389][ T39] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 441.273410][ T39] ? clear_bhb_loop+0x40/0x90 [ 441.273435][ T39] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 441.273455][ T39] RIP: 0033:0x7fec7032de99 [ 441.273472][ T39] RSP: 002b:00007fec6e586028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 441.273491][ T39] RAX: ffffffffffffffda RBX: 00007fec705b5fa0 RCX: 00007fec7032de99 [ 441.273506][ T39] RDX: 0000000000000005 RSI: 0000200000000180 RDI: 0000000000000003 [ 441.273519][ T39] RBP: 00007fec703c3eaf R08: 0000000000000000 R09: 0000000000000000 [ 441.273533][ T39] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 441.273546][ T39] R13: 00007fec705b6038 R14: 00007fec705b5fa0 R15: 00007ffe82bfa128 [ 441.273578][ T39] [ 441.273636][ T39] [ 441.273636][ T39] Showing all locks held in the system: [ 441.273648][ T39] locks held by khungtaskd/39: 1, last CPU#0: [ 441.273663][ T39] #0: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 441.273717][ T39] locks held by kworker/u8:4/67: 4, on CPU#0: [ 441.273731][ T39] #0: ffff88801bee0938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7fd/0x1480 [ 441.273778][ T39] #1: ffffc9000152fc60 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7fd/0x1480 [ 441.273829][ T39] #2: ffffffff8f7b5760 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xf5/0x810 [ 441.273881][ T39] #3: ffffffff8f7c4a78 (rtnl_mutex){+.+.}-{4:4}, at: default_device_exit_batch+0xe5/0x9a0 [ 441.273941][ T39] locks held by kworker/u8:12/1441: 3, on CPU#0: [ 441.273955][ T39] #0: ffff888032d1a938 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7fd/0x1480 [ 441.274001][ T39] #1: ffffc900071efc60 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x7fd/0x1480 [ 441.274048][ T39] #2: ffffffff8f7c4a78 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0x123/0x16e0 [ 441.274112][ T39] locks held by dhcpcd/5253: 1, on CPU#1: [ 441.274126][ T39] #0: ffffffff8f7c4a78 (rtnl_mutex){+.+.}-{4:4}, at: inet6_rtm_newaddr+0x667/0xe00 [ 441.274173][ T39] locks held by getty/5347: 2, on CPU#1: [ 441.274187][ T39] #0: ffff8880370a60a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 441.274244][ T39] #1: ffffc900044e32e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360 [ 441.274304][ T39] locks held by kworker/u9:4/5600: 3, on CPU#1: [ 441.274318][ T39] #0: ffff88803a907938 ((wq_completion)hci5){+.+.}-{0:0}, at: process_one_work+0x7fd/0x1480 [ 441.274363][ T39] #1: ffffc9000554fc60 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x7fd/0x1480 [ 441.274409][ T39] #2: ffff88802e83cf80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x1cb/0x3f0 [ 441.274468][ T39] locks held by kworker/u8:19/6550: 5, last CPU#1: [ 441.274483][ T39] #0: ffff888031de1138 ((wq_completion)bat_events){+.+.}-{0:0}, at: process_one_work+0x7fd/0x1480 [ 441.274529][ T39] #1: ffffc9000753fc60 ((work_completion)(&(&bat_priv->dat.work)->work)){+.+.}-{0:0}, at: process_one_work+0x7fd/0x1480 [ 441.274576][ T39] #2: ffffffff8e259320 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 [ 441.274622][ T39] #3: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0x3c/0x420 [ 441.274668][ T39] #4: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400 [ 441.274720][ T39] locks held by syz.1.1156/9311: 3, on CPU#0: [ 441.274733][ T39] #0: ffff88803cd7ab28 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 441.274773][ T39] #1: ffff88805bbf8510 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.274802][ T39] #2: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xb5/0xd20 [ 441.274835][ T39] locks held by syz.1.1156/9315: 3, on CPU#0: [ 441.274842][ T39] #0: ffff88802c3d9128 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 441.274865][ T39] #1: ffff88805bbf8510 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.274897][ T39] #2: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x3b4/0x610 [ 441.274924][ T39] locks held by syz.3.1181/9398: 3, on CPU#1: [ 441.274931][ T39] #0: ffff88803bb11d28 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 441.274954][ T39] #1: ffff88803db2e510 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.274979][ T39] #2: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xb5/0xd20 [ 441.275006][ T39] locks held by syz-executor/9480: 2, on CPU#1: [ 441.275014][ T39] #0: ffff8880396ea0e0 (&type->s_umount_key#53){+.+.}-{4:4}, at: deactivate_super+0xac/0xe0 [ 441.275039][ T39] #1: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_shutdown_threads+0x4e/0xd0 [ 441.275064][ T39] locks held by syz.2.1203/9484: 3, on CPU#1: [ 441.275071][ T39] #0: ffff8880269afb28 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 441.275094][ T39] #1: ffff88803217e510 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.275120][ T39] #2: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x95/0xe30 [ 441.275147][ T39] locks held by syz.2.1203/9486: 3, on CPU#1: [ 441.275154][ T39] #0: ffff88802b475928 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 441.275177][ T39] #1: ffff88803217e510 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.275202][ T39] #2: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xb5/0xd20 [ 441.275229][ T39] locks held by syz.2.1203/9488: 3, on CPU#1: [ 441.275236][ T39] #0: ffff88803d539b28 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 441.275259][ T39] #1: ffff88803217e510 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.275284][ T39] #2: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x3b4/0x610 [ 441.275313][ T39] locks held by syz.2.1203/9490: 3, on CPU#1: [ 441.275321][ T39] #0: ffff88803d551128 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 441.275344][ T39] #1: ffff88803217e510 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.275369][ T39] #2: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x3b4/0x610 [ 441.275398][ T39] locks held by syz.0.1216/9609: 3, on CPU#0: [ 441.275405][ T39] #0: ffff888041facb28 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 441.275428][ T39] #1: ffff8880323a0510 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.275453][ T39] #2: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xb5/0xd20 [ 441.275480][ T39] locks held by syz.0.1216/9610: 3, on CPU#0: [ 441.275488][ T39] #0: ffff888041fad528 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 441.275511][ T39] #1: ffff8880323a0510 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.275536][ T39] #2: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x3b4/0x610 [ 441.275563][ T39] locks held by syz.4.1243/9812: 3, on CPU#0: [ 441.275570][ T39] #0: ffff888025c91528 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 441.275592][ T39] #1: ffff88802adea510 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.275618][ T39] #2: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: write_versions+0x95/0xe30 [ 441.275645][ T39] locks held by syz.4.1243/9814: 3, on CPU#0: [ 441.275652][ T39] #0: ffff888025c90328 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 441.275675][ T39] #1: ffff88802adea510 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.275701][ T39] #2: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xb5/0xd20 [ 441.275727][ T39] locks held by syz.4.1243/9815: 3, on CPU#0: [ 441.275734][ T39] #0: ffff88802691d328 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 441.275757][ T39] #1: ffff88802adea510 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.275782][ T39] #2: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x3b4/0x610 [ 441.275815][ T39] locks held by syz-executor/10467: 7, on CPU#0: [ 441.275822][ T39] #0: ffff8880364c4510 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.275848][ T39] #1: ffff88807f764478 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1d9/0x540 [ 441.275875][ T39] #2: ffff88802a29bb48 (kn->active#53){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x22c/0x540 [ 441.275903][ T39] #3: ffffffff8f038998 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: new_device_store+0x13c/0x710 [ 441.275927][ T39] #4: ffff888036517160 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x450 [ 441.275952][ T39] #5: ffff88802c658310 (&devlink->lock_key#10){+.+.}-{4:4}, at: nsim_drv_probe+0xfc/0xc00 [ 441.275980][ T39] #6: ffffffff8f7c4a78 (rtnl_mutex){+.+.}-{4:4}, at: nsim_create+0x87f/0x1160 [ 441.276003][ T39] locks held by syz-executor/10479: 4, on CPU#1: [ 441.276010][ T39] #0: ffff8880364c4510 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.276036][ T39] #1: ffff888078c8a878 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1d9/0x540 [ 441.276061][ T39] #2: ffff88802a29bb48 (kn->active#53){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x22c/0x540 [ 441.276089][ T39] #3: ffffffff8f038998 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: new_device_store+0x13c/0x710 [ 441.276113][ T39] locks held by syz-executor/10489: 4, on CPU#0: [ 441.276120][ T39] #0: ffff8880364c4510 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.276145][ T39] #1: ffff88806af8e078 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1d9/0x540 [ 441.276171][ T39] #2: ffff88802a29bb48 (kn->active#53){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x22c/0x540 [ 441.276199][ T39] #3: ffffffff8f038998 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: new_device_store+0x13c/0x710 [ 441.276222][ T39] locks held by syz.6.1257/10501: 2, on CPU#0: [ 441.276230][ T39] #0: ffff888035691528 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 441.276252][ T39] #1: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: write_ports+0xb5/0xd20 [ 441.276279][ T39] locks held by syz.6.1257/10504: 3, on CPU#0: [ 441.276286][ T39] #0: ffff888035691928 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x252/0x320 [ 441.276310][ T39] #1: ffff8880798ec510 (sb_writers#12){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.276338][ T39] #2: ffffffff8e6eeb78 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x3b4/0x610 [ 441.276365][ T39] locks held by syz-executor/10647: 4, on CPU#1: [ 441.276373][ T39] #0: ffff8880364c4510 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0 [ 441.276398][ T39] #1: ffff88801c38ec78 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1d9/0x540 [ 441.276424][ T39] #2: ffff88802a29ba58 (kn->active#52){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x22c/0x540 [ 441.276452][ T39] #3: ffffffff8f038998 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd6/0x370 [ 441.276476][ T39] [ 441.276479][ T39] ============================================= [ 441.276479][ T39] [ 441.276492][ T39] NMI backtrace for cpu 0 [ 441.276501][ T39] CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 441.276512][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 441.276518][ T39] Call Trace: [ 441.276523][ T39] [ 441.276527][ T39] dump_stack_lvl+0xe8/0x150 [ 441.276542][ T39] nmi_cpu_backtrace+0x274/0x2d0 [ 441.276556][ T39] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 441.276572][ T39] nmi_trigger_cpumask_backtrace+0x17a/0x380 [ 441.276601][ T39] sys_info+0x135/0x170 [ 441.276621][ T39] watchdog+0xfd7/0x1030 [ 441.276654][ T39] ? watchdog+0x1c7/0x1030 [ 441.276688][ T39] kthread+0x388/0x470 [ 441.276713][ T39] ? __pfx_watchdog+0x10/0x10 [ 441.276738][ T39] ? __pfx_kthread+0x10/0x10 [ 441.276764][ T39] ret_from_fork+0x514/0xb70 [ 441.276784][ T39] ? __pfx_ret_from_fork+0x10/0x10 [ 441.276798][ T39] ? __switch_to+0xc89/0x1420 [ 441.276817][ T39] ? __pfx_kthread+0x10/0x10 [ 441.276831][ T39] ret_from_fork_asm+0x1a/0x30 [ 441.276852][ T39] [ 441.276886][ T39] Sending NMI from CPU 0 to CPUs 1: [ 441.276921][ C1] NMI backtrace for cpu 1 [ 441.276940][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 441.276960][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 441.276971][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 441.277001][ C1] Code: 0c 74 02 c3 cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 13 66 19 00 fb f4 4c d0 03 00 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 [ 441.277017][ C1] RSP: 0018:ffffc900001e7e40 EFLAGS: 00000246 [ 441.277032][ C1] RAX: 00000000000ddc9f RBX: ffffffff8199b400 RCX: 0000000080000001 [ 441.277046][ C1] RDX: 0000000000000001 RSI: ffffffff8d98ba58 RDI: ffffffff8bcbd080 [ 441.277059][ C1] RBP: ffffc900001e7f10 R08: ffff8880b8733d1b R09: 1ffff110170e67a3 [ 441.277073][ C1] R10: dffffc0000000000 R11: ffffed10170e67a4 R12: 0000000000000000 [ 441.277086][ C1] R13: 1ffff11003c5fbb8 R14: 1ffff9200003cfd0 R15: dffffc0000000000 [ 441.277100][ C1] FS: 0000000000000000(0000) GS:ffff888125af2000(0000) knlGS:0000000000000000 [ 441.277115][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 441.277128][ C1] CR2: 0000561135f25078 CR3: 00000000385d4000 CR4: 00000000003526f0 [ 441.277143][ C1] Call Trace: [ 441.277150][ C1] [ 441.277157][ C1] default_idle+0x9/0x20 [ 441.277175][ C1] default_idle_call+0x72/0xb0 [ 441.277194][ C1] do_idle+0x2e0/0x540 [ 441.277214][ C1] ? __pfx_do_idle+0x10/0x10 [ 441.277235][ C1] cpu_startup_entry+0x43/0x60 [ 441.277252][ C1] start_secondary+0x101/0x110 [ 441.277275][ C1] common_startup_64+0x13e/0x157 [ 441.277302][ C1] [ 441.295472][ T39] Kernel panic - not syncing: hung_task: blocked tasks [ 441.295490][ T39] CPU: 1 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 441.295512][ T39] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 441.295523][ T39] Call Trace: [ 441.295531][ T39] [ 441.295538][ T39] vpanic+0x56c/0xa60 [ 441.295562][ T39] ? __pfx___schedule+0x10/0x10 [ 441.295591][ T39] ? __pfx_vpanic+0x10/0x10 [ 441.295618][ T39] panic+0xc5/0xd0 [ 441.295635][ T39] ? __pfx_panic+0x10/0x10 [ 441.295652][ T39] ? preempt_schedule_common+0x82/0xd0 [ 441.295676][ T39] ? preempt_schedule_thunk+0x16/0x40 [ 441.295692][ T39] ? nmi_trigger_cpumask_backtrace+0x314/0x380 [ 441.295716][ T39] ? nmi_trigger_cpumask_backtrace+0x319/0x380 [ 441.295740][ T39] watchdog+0x1030/0x1030 [ 441.295771][ T39] ? watchdog+0x1c7/0x1030 [ 441.295797][ T39] kthread+0x388/0x470 [ 441.295819][ T39] ? __pfx_watchdog+0x10/0x10 [ 441.295840][ T39] ? __pfx_kthread+0x10/0x10 [ 441.295860][ T39] ret_from_fork+0x514/0xb70 [ 441.295883][ T39] ? __pfx_ret_from_fork+0x10/0x10 [ 441.295904][ T39] ? __switch_to+0xc89/0x1420 [ 441.295924][ T39] ? __pfx_kthread+0x10/0x10 [ 441.295946][ T39] ret_from_fork_asm+0x1a/0x30 [ 441.295980][ T39] [ 441.296250][ T39] Kernel Offset: disabled