last executing test programs: 20.968855769s ago: executing program 3 (id=30): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000100)={'syzkaller1\x00', 0x5001}) ioctl$TUNSETVNETHDRSZ(r0, 0x400454d8, &(0x7f0000000200)=0xc) r1 = socket$inet6(0xa, 0x2, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000400)={'syzkaller1\x00', 0x0}) ioctl$sock_inet6_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000500)={@rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02', 0x40, r2}) ioctl$sock_inet_SIOCSIFFLAGS(r1, 0x8914, &(0x7f0000000600)={'syzkaller1\x00', 0x41}) r3 = socket$inet6_udp(0xa, 0x2, 0x0) bind$inet6(r3, &(0x7f0000000300)={0xa, 0x20e6, 0x0, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02'}, 0x1c) write$tun(r0, &(0x7f0000000700)=ANY=[@ANYBLOB="010530000a002800060000006000000000301140200100000000000000000000000000012001000000000000000000000000000220e620e60030000000112233445566778899aabbccddeeff00112233445566778899aabbccddeeff0011223344556677"], 0x64) recvfrom$inet6(r3, &(0x7f0000000800)=""/100, 0x64, 0x0, 0x0, 0x0) 19.681674575s ago: executing program 3 (id=37): r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000040), 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$smc(&(0x7f0000000700), r1) sendmsg$SMC_PNETID_ADD(r1, &(0x7f0000000080), 0x0) r2 = socket(0x2, 0x2, 0x0) ioctl$sock_ifreq(r2, 0x8916, &(0x7f0000001000)={'veth0\x00', @ifru_addrs=@in={0x2, 0x0, @loopback}}) nanosleep(&(0x7f0000001100)={0x0, 0x5f5e100}, 0x0) 19.477782705s ago: executing program 3 (id=40): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./proc/sys/net/sctp/addip_enable\x00', 0x1, 0x0) write(r0, &(0x7f00000000c0)='1', 0x1) r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./proc/sys/net/sctp/addip_noauth_enable\x00', 0x1, 0x0) write(r1, &(0x7f0000000140)='1', 0x1) r2 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r2, &(0x7f0000000200)={0x2, 0x4e23, @loopback}, 0x10) listen(r2, 0x5) r3 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r3, &(0x7f0000000280)={0x2, 0x4e24, @loopback}, 0x10) connect$inet(r3, &(0x7f0000000400)={0x2, 0x4e23, @loopback}, 0x10) accept(r2, 0x0, 0x0) setsockopt$inet_sctp_SCTP_SET_PEER_PRIMARY_ADDR(r3, 0x84, 0x5, &(0x7f0000000500)={0x0, @in={{0x2, 0x4e24, @loopback}}}, 0x84) 19.412602446s ago: executing program 3 (id=41): r0 = socket$nl_generic(0x10, 0x3, 0x10) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./proc\x00', &(0x7f00000000c0)='proc\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/fs/nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./proc/fs/nfsd\x00', &(0x7f00000001c0)='nfsd\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./proc/fs/nfsd/ports\x00', 0x1, 0x0) write(r1, &(0x7f0000000280)='tcp 2049\n\x00', 0x9) r2 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./proc/fs/nfsd/threads\x00', 0x1, 0x0) write(r2, &(0x7f0000000380)='1\n\x00', 0x2) r3 = socket$inet_udp(0x2, 0x2, 0x0) sendto$inet(r3, &(0x7f0000000100)="000000010000000000000002000186a30000000300000000000000010000002000"/64, 0x40, 0x0, &(0x7f0000000200)={0x2, 0x7f1, @loopback}, 0x10) r4 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0) read(r4, &(0x7f0000000300)=""/100, 0x64) sendmsg$nl_generic(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000600)={0x14, 0x25, 0x301, 0x0, 0x0, {0x2}}, 0x14}}, 0x0) sendmsg$nl_generic(r0, &(0x7f0000000400)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000600)={0x14, 0x25, 0x301, 0x0, 0x0, {0x2}}, 0x14}}, 0x0) 16.873830512s ago: executing program 3 (id=48): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)={{0x14, 0x400, 0x1, 0x0, 0x0, {0x2}}, [@NFT_MSG_NEWTABLE={0x20, 0x0, 0xa, 0x1, 0x0, 0x0, {0x2}, [@NFTA_TABLE_NAME={0x0, 0x0, 'syz0\x00'}]}], {0x14, 0x401, 0x1, 0x0, 0x0, {0x2}}}, 0x48}}, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(r1, &(0x7f0000000300)={0x2, 0x6bb, @loopback}, 0x10) listen(r1, 0x5) r2 = socket$inet_tcp(0x2, 0x1, 0x0) connect$inet(r2, &(0x7f0000000340)={0x2, 0x6bb, @loopback}, 0x10) r3 = accept(r1, 0x0, 0x0) write(r2, &(0x7f0000000400)="009c00011a2b3c4d0001000001000000", 0x10) write(r3, &(0x7f0000000500)="009c00021a2b3c4d000100000100000000010100", 0x14) 14.735800133s ago: executing program 3 (id=65): r0 = socket$inet(0x2, 0x1, 0x6) bind$inet(r0, &(0x7f0000000000)={0x2, 0x801, @loopback}, 0x10) listen(r0, 0x5) setsockopt$inet_buf(r0, 0x0, 0x1, &(0x7f0000000300)="80000100000000000000000100"/100, 0x100) syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./mnt\x00', 0x1ff) mount$nfs(&(0x7f0000000080)='127.0.0.1:/export\x00', &(0x7f00000000c0)='./mnt\x00', &(0x7f0000000100), 0x0, &(0x7f0000000140)={[{'addr=127.0.0.1,port=2049,mountport=2049,proto=tcp,mountproto=tcp,nolock,timeo=10,retrans=1\x00'}]}) (async) r1 = accept$inet(r0, 0x0, 0x0) read(r1, &(0x7f0000000100), 0x4) read(r1, &(0x7f0000000304), 0x4) read(r1, &(0x7f0000000100), 0x70) write(r1, &(0x7f0000000300), 0x100) close(r1) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) 14.494551286s ago: executing program 32 (id=65): r0 = socket$inet(0x2, 0x1, 0x6) bind$inet(r0, &(0x7f0000000000)={0x2, 0x801, @loopback}, 0x10) listen(r0, 0x5) setsockopt$inet_buf(r0, 0x0, 0x1, &(0x7f0000000300)="80000100000000000000000100"/100, 0x100) syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./mnt\x00', 0x1ff) mount$nfs(&(0x7f0000000080)='127.0.0.1:/export\x00', &(0x7f00000000c0)='./mnt\x00', &(0x7f0000000100), 0x0, &(0x7f0000000140)={[{'addr=127.0.0.1,port=2049,mountport=2049,proto=tcp,mountproto=tcp,nolock,timeo=10,retrans=1\x00'}]}) (async) r1 = accept$inet(r0, 0x0, 0x0) read(r1, &(0x7f0000000100), 0x4) read(r1, &(0x7f0000000304), 0x4) read(r1, &(0x7f0000000100), 0x70) write(r1, &(0x7f0000000300), 0x100) close(r1) nanosleep(&(0x7f0000000500)={0x0, 0x5f5e100}, 0x0) 3.757178842s ago: executing program 2 (id=93): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff) mount(0x0, &(0x7f0000000040)='./nfsd\x00', &(0x7f0000000080)='nfsd\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000140)='./nfsd/portlist\x00', 0x1, 0x0) 3.514359711s ago: executing program 2 (id=95): r0 = socket$inet(0x2, 0x1, 0x6) bind$inet(r0, &(0x7f0000000000)={0x2, 0x801, @loopback}, 0x10) listen(r0, 0x5) setsockopt$inet_buf(r0, 0x0, 0x1, &(0x7f0000000300)="80000100000000000000000100000000000000", 0x13) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./mnt\x00', 0x1ff) mount$nfs(&(0x7f0000000080)='127.0.0.1:/export\x00', &(0x7f00000000c0)='./mnt\x00', &(0x7f0000000100), 0x0, &(0x7f0000000140)={[{'addr=127.0.0.1'}, {'port=2049'}, {'mountport=2049'}, {'proto=tcp'}, {'mountproto=tcp'}, {'nolock'}, {'soft'}, {'timeo=1'}, {'retrans=1'}]}) r1 = accept$inet(r0, 0x0, 0x0) read(r1, &(0x7f0000000100), 0x4) read(r1, &(0x7f0000000304), 0x4) write(r1, &(0x7f0000000300), 0x100) 2.60015874s ago: executing program 1 (id=99): mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ed) mount(0x0, &(0x7f0000000300)='./nfsd\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./nfsd/portlist\x00', 0x2, 0x0) write(r0, &(0x7f0000000600)='inet 2049\n\x00', 0xa) 2.170626237s ago: executing program 1 (id=101): r0 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4321, @loopback}, 0x10) r1 = socket$rxrpc(0x21, 0x2, 0x2) bind$rxrpc(r1, &(0x7f0000000040)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x1234, @loopback}}, 0x24) connect$rxrpc(r1, &(0x7f0000000080)=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x4321, @loopback}}, 0x24) sendmsg(r1, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)=[{0x18, 0x110, 0x1, "01"}], 0x18}, 0x0) recvfrom(r0, &(0x7f0000000300)=""/256, 0x100, 0x0, 0x0, 0x0) pipe2(&(0x7f0000000400)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write(r3, 0x0, 0x0) read(r2, &(0x7f0000000700), 0x20) write(r3, &(0x7f0000000500)="0100", 0x2) read(r2, &(0x7f0000000314), 0x2) sendto$inet(r0, &(0x7f0000000300), 0x2f, 0x0, &(0x7f0000000080)={0x2, 0x1234, @loopback}, 0x10) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000180)=""/256, 0x100}], 0x1}, 0x0) 1.788095191s ago: executing program 0 (id=102): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_TIMEOUT_NEW(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)={0x3c, 0x0, 0x8, 0x105, 0x0, 0x0, {0x2}, [@CTA_TIMEOUT_NAME={0x9, 0x1, 'syz0\x00'}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x800}, @CTA_TIMEOUT_L4PROTO={0x5, 0x3, 0x11}, @CTA_TIMEOUT_DATA={0xc, 0x4, 0x0, 0x1, @udp=[@CTA_TIMEOUT_UDP_UNREPLIED={0x8, 0x1, 0x1, 0x0, 0x1e}]}]}, 0x3c}}, 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1234"], 0x2}, 0x1, 0x0, 0x0, 0x4048011}, 0xc000) 1.763854086s ago: executing program 2 (id=103): r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$smc(&(0x7f0000000000), r0) sendmsg$SMC_PNETID_ADD(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000000c0)={0x34, r1, 0x1, 0x0, 0x0, {}, [@SMC_PNETID_NAME={0x9, 0x1, 'syz0\x00'}, @SMC_PNETID_ETHNAME={0x14, 0x2, 'lo\x00'}]}, 0x34}}, 0x0) r2 = socket$inet_smc(0x2b, 0x1, 0x0) bind$inet(r2, &(0x7f0000000400)={0x2, 0x4e20, @loopback}, 0x10) listen(r2, 0x5) r3 = socket$inet_smc(0x2b, 0x1, 0x0) connect$inet(r3, &(0x7f0000000500)={0x2, 0x4e20, @loopback}, 0x10) shutdown(r3, 0x2) 1.209153286s ago: executing program 0 (id=104): r0 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r0, 0x11b, 0x4, &(0x7f0000000040)={&(0x7f0000100000)=""/65536, 0x10000, 0x800}, 0x20) setsockopt$XDP_TX_RING(r0, 0x11b, 0x3, &(0x7f0000000180)=0x10, 0x4) setsockopt$XDP_UMEM_COMPLETION_RING(r0, 0x11b, 0x6, &(0x7f00000001c0)=0x10, 0x4) setsockopt$XDP_UMEM_FILL_RING(r0, 0x11b, 0x5, &(0x7f0000000200)=0x10, 0x4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000002c0)={0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'lo\x00', 0x0}) bind$xdp(r0, &(0x7f0000000080)={0x2c, 0x2, r2, 0x0, 0x0}, 0x10) mmap$xdp(&(0x7f0000000000/0x1000)=nil, 0x1000, 0x3, 0x11, r0, 0x80000000) pipe2(&(0x7f0000000400)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write(r4, &(0x7f0000000500)="0100"/336, 0x150) read(r3, &(0x7f0000000000), 0x150) sendmsg$xdp(r0, &(0x7f0000000600)={0x0, 0x0, 0x0}, 0x0) 1.159055216s ago: executing program 1 (id=105): mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/sys/net/sctp/addip_enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/sys/net/sctp/addip_noauth_enable\x00', 0x1, 0x0) r0 = socket$inet_sctp(0x2, 0x1, 0x84) r1 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r0, &(0x7f0000000200)={0x2, 0x4e21, @loopback}, 0x10) listen(r0, 0x5) connect$inet(r1, &(0x7f0000000280)={0x2, 0x4e21, @loopback}, 0x10) r2 = accept(r0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000300)=[@in={0x2, 0x4e22, @local}], 0x10) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000340)=[@in={0x2, 0x4e21, @local}], 0x10) 1.040813315s ago: executing program 2 (id=106): 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) openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd_mnt/portlist\x00', 0x1, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./proc_mnt/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0) write(r0, &(0x7f0000000480)='localhost 1 \\x00000000 2147483647 ./export_dir\n', 0x2f) 688.26041ms ago: executing program 2 (id=107): r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000040), 0x0) 688.045659ms ago: executing program 0 (id=108): mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd\x00', 0x1ed) mount(0x0, &(0x7f0000000300)='./nfsd\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./nfsd/portlist\x00', 0x2, 0x0) write(r0, &(0x7f0000000600)='inet 2049\n\x00', 0xa) 672.711904ms ago: executing program 1 (id=109): r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x1, 0x0) write(r0, &(0x7f0000000640)='nfsd 127.0.0.1 999999999 anonymous\n\x00', 0x23) 527.434443ms ago: executing program 1 (id=110): r0 = socket$nl_rdma(0x10, 0x3, 0x14) sendmsg$RDMA_NLDEV_CMD_NEWLINK(r0, &(0x7f0000000040), 0x0) 340.026506ms ago: executing program 2 (id=111): r0 = socket$inet(0x2, 0x1, 0x6) bind$inet(r0, &(0x7f0000000000)={0x2, 0x801, @loopback}, 0x10) listen(r0, 0x5) setsockopt$inet_buf(r0, 0x0, 0x1, &(0x7f0000000300)="80000100000000000000000100000000", 0x10) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./mnt\x00', 0x1ff) mount$nfs(&(0x7f0000000080)='127.0.0.1:/export\x00', &(0x7f00000000c0)='./mnt\x00', &(0x7f0000000100), 0x0, &(0x7f0000000140)={[{'addr=127.0.0.1'}, {'port=2049'}, {'mountport=2049'}, {'proto=tcp'}, {'mountproto=tcp'}, {'nolock'}, {'soft'}, {'timeo=1'}, {'retrans=1'}]}) r1 = accept$inet(r0, 0x0, 0x0) read(r1, &(0x7f0000000100), 0x4) read(r1, &(0x7f0000000304), 0x4) write(r1, &(0x7f0000000300), 0x100) 339.709693ms ago: executing program 1 (id=112): r0 = socket$inet_udp(0x2, 0x2, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4321, @loopback}, 0x10) r1 = socket$rxrpc(0x21, 0x2, 0x2) bind$rxrpc(r1, &(0x7f0000000040)=@in4={0x21, 0x0, 0x2, 0x10, {0x2, 0x1234, @loopback}}, 0x24) connect$rxrpc(r1, &(0x7f0000000080)=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x4321, @loopback}}, 0x24) sendmsg(r1, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000200)=[{0x18, 0x110, 0x1, "01"}], 0x18}, 0x0) recvfrom(r0, &(0x7f0000000300)=""/256, 0x100, 0x0, 0x0, 0x0) pipe2(&(0x7f0000000400)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write(r3, &(0x7f0000000300), 0x20) read(r2, 0x0, 0x0) write(r3, &(0x7f0000000500)="0100", 0x2) read(r2, &(0x7f0000000314), 0x2) sendto$inet(r0, &(0x7f0000000300), 0x2f, 0x0, &(0x7f0000000080)={0x2, 0x1234, @loopback}, 0x10) recvmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000180)=""/256, 0x100}], 0x1}, 0x0) 339.500315ms ago: executing program 0 (id=113): r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000180)={&(0x7f0000000000), 0x0, &(0x7f00000001c0)={&(0x7f0000000540)=@newsa={0x150, 0x10, 0x401, 0x0, 0x0, {{@in6=@loopback, @in6=@loopback, 0x1234, 0x1234, 0x0, 0x0, 0xa}, {@in6=@loopback, 0x4d2, 0x33}, @in6=@loopback, {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}, {}, {}, 0x0, 0x0, 0xa}, [@algo_auth_trunc={0x60, 0x14, {{'hmac(sha1)\x00'}, 0xa0, 0xa0, '01234567890123456789'}}]}, 0x150}}, 0x0) sendmsg$nl_xfrm(r0, &(0x7f00000006c0)={&(0x7f0000000000), 0x0, &(0x7f0000000700)={&(0x7f0000000740)=@newpolicy={0xfc, 0x13, 0x401, 0x0, 0x0, {{@in6=@loopback, @in6=@loopback, 0x1234, 0x1234, 0x0, 0x0, 0xa}, {}, {}, 0x0, 0x0, 0x1}, [@tmpl={0x44, 0x5, [{{@in6=@loopback, 0x4d2, 0x33}, 0xa, @in6=@loopback}]}]}, 0xfc}}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) sendmsg$inet6(r1, &(0x7f0000000200)={&(0x7f0000000400)={0xa, 0x1234, 0x0, @loopback}, 0x1c, &(0x7f0000000100)=[{&(0x7f0000000300)="00112233445566778899aabbccddeeff", 0x10}], 0x1, &(0x7f0000000500)=ANY=[@ANYBLOB="200000000000000029000000360000000001000000000000c0040000000001002000000000000000290000003b0000000001000000000000c004000000000100"], 0x40}, 0x0) 218.981191ms ago: executing program 4 (id=67): mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./proc\x00', 0x1ed) mount(&(0x7f0000000200)=@filename='none\x00', &(0x7f0000000300)='./proc\x00', &(0x7f0000000400)='proc\x00', 0x0, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg(r0, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000600)=[{&(0x7f0000000700)="1c000000100001000100000000000000030100000b00020073756e7270630000", 0x1c}], 0x1}, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./proc/net/rpc/auth.unix.ip/channel\x00', 0x2, 0x0) write(r1, &(0x7f0000000900)='nfsd 127.0.0.1 3600\n', 0x14) read(r0, &(0x7f0000000a00)=""/4096, 0x1000) sendmsg(r0, &(0x7f0000000b00)={0x0, 0x0, &(0x7f0000000c00)=[{&(0x7f0000000d00)="1400000018000103020000000000000002010000", 0x14}], 0x1}, 0x0) sendmsg(r0, &(0x7f0000000e00)={0x0, 0x0, &(0x7f0000000f00)=[{&(0x7f0000001000)="1400000019000103020000000000000002010000", 0x14}], 0x1}, 0x0) sendmsg(r0, &(0x7f0000001100)={0x0, 0x0, &(0x7f0000001200)=[{&(0x7f0000001300)="140000001a000103020000000000000002010000", 0x14}], 0x1}, 0x0) sendmsg(r0, &(0x7f0000001400)={0x0, 0x0, &(0x7f0000001500)=[{&(0x7f0000001600)="140000001b000103020000000000000002010000", 0x14}], 0x1}, 0x0) sendmsg(r0, &(0x7f0000001700)={0x0, 0x0, &(0x7f0000001800)=[{&(0x7f0000001900)="140000001c000103020000000000000002010000", 0x14}], 0x1}, 0x0) read(r0, &(0x7f0000001a00)=""/4096, 0x1000) 122.592816ms ago: executing program 0 (id=114): 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) openat(0xffffffffffffff9c, &(0x7f0000000240)='./nfsd_mnt/portlist\x00', 0x1, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./proc_mnt/net/rpc/nfsd.fh/channel\x00', 0x1, 0x0) write(r0, &(0x7f0000000480)='localhost 1 \\x00000000 2147483647 ./export_dir\n', 0x2f) 179.947µs ago: executing program 0 (id=115): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x777) mount(0x0, &(0x7f0000000000)='./debug\x00', &(0x7f0000000040)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000100)='100\x00', 0x4) r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./debug/failslab/interval\x00', 0x1, 0x0) write(r1, &(0x7f0000000180)='1\x00', 0x2) r2 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000200)='-1\x00', 0x3) r3 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./debug/failslab/space\x00', 0x1, 0x0) write(r3, &(0x7f0000000280)='0\x00', 0x2) r4 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./debug/failslab/verbose\x00', 0x1, 0x0) write(r4, &(0x7f0000000300)='0\x00', 0x2) r5 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./debug/failslab/ignore-gfp-wait\x00', 0x1, 0x0) write(r5, &(0x7f0000000380)='N\x00', 0x2) 0s ago: executing program 4 (id=116): mount(0x0, &(0x7f0000000040)='./proc\x00', &(0x7f0000000080)='proc\x00', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='./proc/sys/net/sctp/addip_enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/sys/net/sctp/addip_noauth_enable\x00', 0x1, 0x0) r0 = socket$inet_sctp(0x2, 0x1, 0x84) r1 = socket$inet_sctp(0x2, 0x1, 0x84) bind$inet(r0, &(0x7f0000000200)={0x2, 0x4e21, @loopback}, 0x10) listen(r0, 0x5) connect$inet(r1, &(0x7f0000000280)={0x2, 0x4e21, @loopback}, 0x10) r2 = accept(r0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000000300)=[@in={0x2, 0x4e22, @local}], 0x10) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000000340)=[@in={0x2, 0x4e21, @local}], 0x10) kernel console output (not intermixed with test programs): gle Compute Engine, BIOS Google 07/16/2026 [ 123.051917][ T1299] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.051947][ T1299] Call Trace: [ 123.051954][ T1299] [ 123.051962][ T1299] dump_stack_lvl+0xe8/0x150 [ 123.051988][ T1299] should_fail_ex+0x467/0x600 [ 123.052018][ T1299] should_failslab+0xa8/0x100 [ 123.052038][ T1299] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.052065][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.052088][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.052119][ T1299] __alloc_skb+0x1d7/0x7a0 [ 123.052148][ T1299] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.052190][ T1299] ? process_one_work+0x7fd/0x1480 [ 123.052211][ T1299] process_one_work+0xaaf/0x1480 [ 123.052254][ T1299] ? __pfx_process_one_work+0x10/0x10 [ 123.052271][ T1299] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.052303][ T1299] ? assign_work+0x3cf/0x5d0 [ 123.052329][ T1299] worker_thread+0xb05/0x10d0 [ 123.052374][ T1299] kthread+0x388/0x470 [ 123.052399][ T1299] ? __pfx_worker_thread+0x10/0x10 [ 123.052419][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.052446][ T1299] ret_from_fork+0x514/0xb70 [ 123.052475][ T1299] ? __pfx_ret_from_fork+0x10/0x10 [ 123.052501][ T1299] ? __switch_to+0xc89/0x1420 [ 123.052528][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.052555][ T1299] ret_from_fork_asm+0x1a/0x30 [ 123.052597][ T1299] [ 123.052627][ T1299] FAULT_INJECTION: forcing a failure. [ 123.052627][ T1299] name failslab, interval 1, probability 100, space 0, times -1 [ 123.052650][ T1299] CPU: 1 UID: 0 PID: 1299 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.052671][ T1299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.052683][ T1299] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.052711][ T1299] Call Trace: [ 123.052718][ T1299] [ 123.052726][ T1299] dump_stack_lvl+0xe8/0x150 [ 123.052751][ T1299] should_fail_ex+0x467/0x600 [ 123.052786][ T1299] should_failslab+0xa8/0x100 [ 123.052806][ T1299] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.052834][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.052857][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.052889][ T1299] __alloc_skb+0x1d7/0x7a0 [ 123.052921][ T1299] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.052962][ T1299] ? process_one_work+0x7fd/0x1480 [ 123.052984][ T1299] process_one_work+0xaaf/0x1480 [ 123.053025][ T1299] ? __pfx_process_one_work+0x10/0x10 [ 123.053043][ T1299] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.053076][ T1299] ? assign_work+0x3cf/0x5d0 [ 123.053101][ T1299] worker_thread+0xb05/0x10d0 [ 123.053146][ T1299] kthread+0x388/0x470 [ 123.053171][ T1299] ? __pfx_worker_thread+0x10/0x10 [ 123.053191][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.053218][ T1299] ret_from_fork+0x514/0xb70 [ 123.053247][ T1299] ? __pfx_ret_from_fork+0x10/0x10 [ 123.053272][ T1299] ? __switch_to+0xc89/0x1420 [ 123.053302][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.053328][ T1299] ret_from_fork_asm+0x1a/0x30 [ 123.053372][ T1299] [ 123.053486][ T3829] FAULT_INJECTION: forcing a failure. [ 123.053486][ T3829] name failslab, interval 1, probability 100, space 0, times -1 [ 123.053511][ T3829] CPU: 1 UID: 0 PID: 3829 Comm: kworker/u8:18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.053532][ T3829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.053544][ T3829] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.053572][ T3829] Call Trace: [ 123.053579][ T3829] [ 123.053587][ T3829] dump_stack_lvl+0xe8/0x150 [ 123.053612][ T3829] should_fail_ex+0x467/0x600 [ 123.053641][ T3829] should_failslab+0xa8/0x100 [ 123.053662][ T3829] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.053689][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.053712][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.053744][ T3829] __alloc_skb+0x1d7/0x7a0 [ 123.053773][ T3829] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.053821][ T3829] ? process_one_work+0x7fd/0x1480 [ 123.053841][ T3829] process_one_work+0xaaf/0x1480 [ 123.053881][ T3829] ? __pfx_process_one_work+0x10/0x10 [ 123.053899][ T3829] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.053932][ T3829] ? assign_work+0x3cf/0x5d0 [ 123.053957][ T3829] worker_thread+0xb05/0x10d0 [ 123.053989][ T3829] ? __kthread_parkme+0x71/0x1f0 [ 123.054023][ T3829] kthread+0x388/0x470 [ 123.054048][ T3829] ? __pfx_worker_thread+0x10/0x10 [ 123.054067][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.054094][ T3829] ret_from_fork+0x514/0xb70 [ 123.054124][ T3829] ? __pfx_ret_from_fork+0x10/0x10 [ 123.054149][ T3829] ? __switch_to+0xc89/0x1420 [ 123.054175][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.054201][ T3829] ret_from_fork_asm+0x1a/0x30 [ 123.054244][ T3829] [ 123.054552][ T3829] FAULT_INJECTION: forcing a failure. [ 123.054552][ T3829] name failslab, interval 1, probability 100, space 0, times -1 [ 123.054578][ T3829] CPU: 1 UID: 0 PID: 3829 Comm: kworker/u8:18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.054600][ T3829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.054612][ T3829] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.054641][ T3829] Call Trace: [ 123.054648][ T3829] [ 123.054656][ T3829] dump_stack_lvl+0xe8/0x150 [ 123.054680][ T3829] should_fail_ex+0x467/0x600 [ 123.054710][ T3829] should_failslab+0xa8/0x100 [ 123.054731][ T3829] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.054759][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.054789][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.054820][ T3829] __alloc_skb+0x1d7/0x7a0 [ 123.054852][ T3829] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.054893][ T3829] ? process_one_work+0x7fd/0x1480 [ 123.054914][ T3829] process_one_work+0xaaf/0x1480 [ 123.054955][ T3829] ? __pfx_process_one_work+0x10/0x10 [ 123.054973][ T3829] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.055006][ T3829] ? assign_work+0x3cf/0x5d0 [ 123.055032][ T3829] worker_thread+0xb05/0x10d0 [ 123.055064][ T3829] ? __kthread_parkme+0x71/0x1f0 [ 123.055097][ T3829] kthread+0x388/0x470 [ 123.055122][ T3829] ? __pfx_worker_thread+0x10/0x10 [ 123.055142][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.055168][ T3829] ret_from_fork+0x514/0xb70 [ 123.055197][ T3829] ? __pfx_ret_from_fork+0x10/0x10 [ 123.055223][ T3829] ? __switch_to+0xc89/0x1420 [ 123.055249][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.055276][ T3829] ret_from_fork_asm+0x1a/0x30 [ 123.055318][ T3829] [ 123.055637][ T12] FAULT_INJECTION: forcing a failure. [ 123.055637][ T12] name failslab, interval 1, probability 100, space 0, times -1 [ 123.055662][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.055684][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.055696][ T12] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.055725][ T12] Call Trace: [ 123.055732][ T12] [ 123.055743][ T12] dump_stack_lvl+0xe8/0x150 [ 123.055769][ T12] should_fail_ex+0x467/0x600 [ 123.055807][ T12] should_failslab+0xa8/0x100 [ 123.055828][ T12] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.055856][ T12] ? __alloc_skb+0x1d7/0x7a0 [ 123.055880][ T12] ? __alloc_skb+0x1d7/0x7a0 [ 123.055912][ T12] __alloc_skb+0x1d7/0x7a0 [ 123.055941][ T12] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.055985][ T12] ? process_one_work+0x7fd/0x1480 [ 123.056007][ T12] process_one_work+0xaaf/0x1480 [ 123.056050][ T12] ? __pfx_process_one_work+0x10/0x10 [ 123.056069][ T12] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.056103][ T12] ? assign_work+0x3cf/0x5d0 [ 123.056129][ T12] worker_thread+0xb05/0x10d0 [ 123.056175][ T12] kthread+0x388/0x470 [ 123.056201][ T12] ? __pfx_worker_thread+0x10/0x10 [ 123.056221][ T12] ? __pfx_kthread+0x10/0x10 [ 123.056249][ T12] ret_from_fork+0x514/0xb70 [ 123.056278][ T12] ? __pfx_ret_from_fork+0x10/0x10 [ 123.056304][ T12] ? __switch_to+0xc89/0x1420 [ 123.056331][ T12] ? __pfx_kthread+0x10/0x10 [ 123.056359][ T12] ret_from_fork_asm+0x1a/0x30 [ 123.056403][ T12] [ 123.056427][ T12] FAULT_INJECTION: forcing a failure. [ 123.056427][ T12] name failslab, interval 1, probability 100, space 0, times -1 [ 123.056451][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.056474][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.056486][ T12] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.056514][ T12] Call Trace: [ 123.056521][ T12] [ 123.056529][ T12] dump_stack_lvl+0xe8/0x150 [ 123.056554][ T12] should_fail_ex+0x467/0x600 [ 123.056583][ T12] should_failslab+0xa8/0x100 [ 123.056607][ T12] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.056634][ T12] ? __alloc_skb+0x1d7/0x7a0 [ 123.056657][ T12] ? __alloc_skb+0x1d7/0x7a0 [ 123.056688][ T12] __alloc_skb+0x1d7/0x7a0 [ 123.056717][ T12] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.056759][ T12] ? process_one_work+0x7fd/0x1480 [ 123.056786][ T12] process_one_work+0xaaf/0x1480 [ 123.056828][ T12] ? __pfx_process_one_work+0x10/0x10 [ 123.056845][ T12] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.056879][ T12] ? assign_work+0x3cf/0x5d0 [ 123.056904][ T12] worker_thread+0xb05/0x10d0 [ 123.056949][ T12] kthread+0x388/0x470 [ 123.056974][ T12] ? __pfx_worker_thread+0x10/0x10 [ 123.056993][ T12] ? __pfx_kthread+0x10/0x10 [ 123.057020][ T12] ret_from_fork+0x514/0xb70 [ 123.057048][ T12] ? __pfx_ret_from_fork+0x10/0x10 [ 123.057081][ T12] ? __switch_to+0xc89/0x1420 [ 123.057107][ T12] ? __pfx_kthread+0x10/0x10 [ 123.057134][ T12] ret_from_fork_asm+0x1a/0x30 [ 123.057177][ T12] [ 123.057305][ T4965] FAULT_INJECTION: forcing a failure. [ 123.057305][ T4965] name failslab, interval 1, probability 100, space 0, times -1 [ 123.057330][ T4965] CPU: 1 UID: 0 PID: 4965 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.057351][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.057362][ T4965] Call Trace: [ 123.057369][ T4965] [ 123.057377][ T4965] dump_stack_lvl+0xe8/0x150 [ 123.057403][ T4965] should_fail_ex+0x467/0x600 [ 123.057431][ T4965] should_failslab+0xa8/0x100 [ 123.057448][ T4965] ? do_getname+0x2e/0x250 [ 123.057491][ T4965] kmem_cache_alloc_noprof+0x9e/0x680 [ 123.057518][ T4965] ? do_getname+0x2e/0x250 [ 123.057552][ T4965] do_getname+0x2e/0x250 [ 123.057577][ T4965] ? getname_flags+0x11/0x20 [ 123.057607][ T4965] vfs_fstatat+0x45/0x170 [ 123.057638][ T4965] __x64_sys_newfstatat+0x151/0x200 [ 123.057670][ T4965] ? __pfx___x64_sys_newfstatat+0x10/0x10 [ 123.057729][ T4965] do_syscall_64+0x17b/0x530 [ 123.057749][ T4965] ? irqentry_exit+0x10f/0x8f0 [ 123.057767][ T4965] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.057793][ T4965] ? clear_bhb_loop+0x40/0x90 [ 123.057817][ T4965] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.057836][ T4965] RIP: 0033:0x7f360eef4b0a [ 123.057852][ T4965] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 123.057868][ T4965] RSP: 002b:00007ffd0290d3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 123.057887][ T4965] RAX: ffffffffffffffda RBX: 000055883f477418 RCX: 00007f360eef4b0a [ 123.057902][ T4965] RDX: 00007ffd0290d3f0 RSI: 000055883f465ef3 RDI: 00000000ffffff9c [ 123.057915][ T4965] RBP: 0000558847d89148 R08: 00000000075212d0 R09: 3fffffffffffffff [ 123.057929][ T4965] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 123.057941][ T4965] R13: 00007ffd0290d3f0 R14: 0000000000000000 R15: 0000000000000000 [ 123.057969][ T4965] [ 123.057981][ T4965] FAULT_INJECTION: forcing a failure. [ 123.057981][ T4965] name failslab, interval 1, probability 100, space 0, times -1 [ 123.058004][ T4965] CPU: 1 UID: 0 PID: 4965 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.058024][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.058035][ T4965] Call Trace: [ 123.058042][ T4965] [ 123.058050][ T4965] dump_stack_lvl+0xe8/0x150 [ 123.058074][ T4965] should_fail_ex+0x467/0x600 [ 123.058103][ T4965] should_failslab+0xa8/0x100 [ 123.058120][ T4965] ? do_getname+0x2e/0x250 [ 123.058147][ T4965] kmem_cache_alloc_noprof+0x9e/0x680 [ 123.058172][ T4965] ? do_getname+0x2e/0x250 [ 123.058205][ T4965] do_getname+0x2e/0x250 [ 123.058231][ T4965] ? getname_flags+0x11/0x20 [ 123.058261][ T4965] vfs_fstatat+0x45/0x170 [ 123.058290][ T4965] __x64_sys_newfstatat+0x151/0x200 [ 123.058323][ T4965] ? __pfx___x64_sys_newfstatat+0x10/0x10 [ 123.058390][ T4965] do_syscall_64+0x17b/0x530 [ 123.058409][ T4965] ? irqentry_exit+0x10f/0x8f0 [ 123.058427][ T4965] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.058446][ T4965] ? clear_bhb_loop+0x40/0x90 [ 123.058470][ T4965] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.058488][ T4965] RIP: 0033:0x7f360eef4b0a [ 123.058504][ T4965] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 123.058520][ T4965] RSP: 002b:00007ffd0290d3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 123.058538][ T4965] RAX: ffffffffffffffda RBX: 000055883f477420 RCX: 00007f360eef4b0a [ 123.058553][ T4965] RDX: 00007ffd0290d3f0 RSI: 000055883f465ef3 RDI: 00000000ffffff9c [ 123.058567][ T4965] RBP: 0000558847d89148 R08: 00000000075212d0 R09: 3fffffffffffffff [ 123.058580][ T4965] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 123.058592][ T4965] R13: 00007ffd0290d3f0 R14: 0000000000000000 R15: 0000000000000000 [ 123.058621][ T4965] [ 123.058690][ T5706] CPU: 1 UID: 0 PID: 5706 Comm: kworker/1:4 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.058711][ T5706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.058723][ T5706] Workqueue: events rht_deferred_worker [ 123.058751][ T5706] Call Trace: [ 123.058758][ T5706] [ 123.058766][ T5706] dump_stack_lvl+0xe8/0x150 [ 123.058798][ T5706] should_fail_ex+0x467/0x600 [ 123.058827][ T5706] should_failslab+0xa8/0x100 [ 123.058847][ T5706] __kvmalloc_node_noprof+0x176/0x880 [ 123.058882][ T5706] ? bucket_table_alloc+0x75/0x380 [ 123.058906][ T5706] ? bucket_table_alloc+0x75/0x380 [ 123.058940][ T5706] bucket_table_alloc+0x75/0x380 [ 123.058970][ T5706] rhashtable_rehash_alloc+0x8e/0x170 [ 123.059001][ T5706] rht_deferred_worker+0x1f02/0x2250 [ 123.059036][ T5706] ? lock_acquire+0x115/0x350 [ 123.059074][ T5706] ? rcu_is_watching+0x15/0xb0 [ 123.059097][ T5706] ? process_one_work+0x7fd/0x1480 [ 123.059118][ T5706] process_one_work+0xaaf/0x1480 [ 123.059160][ T5706] ? __pfx_process_one_work+0x10/0x10 [ 123.059177][ T5706] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.059210][ T5706] ? assign_work+0x3cf/0x5d0 [ 123.059235][ T5706] worker_thread+0xb05/0x10d0 [ 123.059266][ T5706] ? __kthread_parkme+0x71/0x1f0 [ 123.059297][ T5706] kthread+0x388/0x470 [ 123.059323][ T5706] ? __pfx_worker_thread+0x10/0x10 [ 123.059342][ T5706] ? __pfx_kthread+0x10/0x10 [ 123.059368][ T5706] ret_from_fork+0x514/0xb70 [ 123.059397][ T5706] ? __pfx_ret_from_fork+0x10/0x10 [ 123.059423][ T5706] ? __switch_to+0xc89/0x1420 [ 123.059448][ T5706] ? __pfx_kthread+0x10/0x10 [ 123.059475][ T5706] ret_from_fork_asm+0x1a/0x30 [ 123.059516][ T5706] [ 123.059561][ T5706] FAULT_INJECTION: forcing a failure. [ 123.059561][ T5706] name failslab, interval 1, probability 100, space 0, times -1 [ 123.059585][ T5706] CPU: 1 UID: 0 PID: 5706 Comm: kworker/1:4 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.059605][ T5706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.059616][ T5706] Workqueue: events rht_deferred_worker [ 123.059642][ T5706] Call Trace: [ 123.059650][ T5706] [ 123.059657][ T5706] dump_stack_lvl+0xe8/0x150 [ 123.059682][ T5706] should_fail_ex+0x467/0x600 [ 123.059710][ T5706] should_failslab+0xa8/0x100 [ 123.059730][ T5706] __kvmalloc_node_noprof+0x176/0x880 [ 123.059762][ T5706] ? bucket_table_alloc+0x75/0x380 [ 123.059793][ T5706] ? bucket_table_alloc+0x75/0x380 [ 123.059826][ T5706] bucket_table_alloc+0x75/0x380 [ 123.059856][ T5706] rhashtable_rehash_alloc+0x8e/0x170 [ 123.059887][ T5706] rht_deferred_worker+0x1f02/0x2250 [ 123.059920][ T5706] ? lock_acquire+0x115/0x350 [ 123.059958][ T5706] ? rcu_is_watching+0x15/0xb0 [ 123.059981][ T5706] ? process_one_work+0x7fd/0x1480 [ 123.060002][ T5706] process_one_work+0xaaf/0x1480 [ 123.060043][ T5706] ? __pfx_process_one_work+0x10/0x10 [ 123.060061][ T5706] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.060093][ T5706] ? assign_work+0x3cf/0x5d0 [ 123.060118][ T5706] worker_thread+0xb05/0x10d0 [ 123.060149][ T5706] ? __kthread_parkme+0x71/0x1f0 [ 123.060182][ T5706] kthread+0x388/0x470 [ 123.060207][ T5706] ? __pfx_worker_thread+0x10/0x10 [ 123.060226][ T5706] ? __pfx_kthread+0x10/0x10 [ 123.060256][ T5706] ret_from_fork+0x514/0xb70 [ 123.060284][ T5706] ? __pfx_ret_from_fork+0x10/0x10 [ 123.060310][ T5706] ? __switch_to+0xc89/0x1420 [ 123.060335][ T5706] ? __pfx_kthread+0x10/0x10 [ 123.060361][ T5706] ret_from_fork_asm+0x1a/0x30 [ 123.060403][ T5706] [ 123.060645][ T1310] FAULT_INJECTION: forcing a failure. [ 123.060645][ T1310] name failslab, interval 1, probability 100, space 0, times -1 [ 123.060669][ T1310] CPU: 1 UID: 0 PID: 1310 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.060691][ T1310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.060703][ T1310] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.060731][ T1310] Call Trace: [ 123.060738][ T1310] [ 123.060746][ T1310] dump_stack_lvl+0xe8/0x150 [ 123.060771][ T1310] should_fail_ex+0x467/0x600 [ 123.060807][ T1310] should_failslab+0xa8/0x100 [ 123.060827][ T1310] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.060854][ T1310] ? __alloc_skb+0x1d7/0x7a0 [ 123.060877][ T1310] ? __alloc_skb+0x1d7/0x7a0 [ 123.060909][ T1310] __alloc_skb+0x1d7/0x7a0 [ 123.060938][ T1310] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.060980][ T1310] ? process_one_work+0x7fd/0x1480 [ 123.061001][ T1310] process_one_work+0xaaf/0x1480 [ 123.061043][ T1310] ? __pfx_process_one_work+0x10/0x10 [ 123.061061][ T1310] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.061095][ T1310] ? assign_work+0x3cf/0x5d0 [ 123.061120][ T1310] worker_thread+0xb05/0x10d0 [ 123.061166][ T1310] kthread+0x388/0x470 [ 123.061191][ T1310] ? __pfx_worker_thread+0x10/0x10 [ 123.061211][ T1310] ? __pfx_kthread+0x10/0x10 [ 123.061237][ T1310] ret_from_fork+0x514/0xb70 [ 123.061266][ T1310] ? __pfx_ret_from_fork+0x10/0x10 [ 123.061292][ T1310] ? __switch_to+0xc89/0x1420 [ 123.061318][ T1310] ? __pfx_kthread+0x10/0x10 [ 123.061344][ T1310] ret_from_fork_asm+0x1a/0x30 [ 123.061388][ T1310] [ 123.061400][ T1310] FAULT_INJECTION: forcing a failure. [ 123.061400][ T1310] name failslab, interval 1, probability 100, space 0, times -1 [ 123.061422][ T1310] CPU: 1 UID: 0 PID: 1310 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.061442][ T1310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.061453][ T1310] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.061481][ T1310] Call Trace: [ 123.061488][ T1310] [ 123.061495][ T1310] dump_stack_lvl+0xe8/0x150 [ 123.061520][ T1310] should_fail_ex+0x467/0x600 [ 123.061549][ T1310] should_failslab+0xa8/0x100 [ 123.061570][ T1310] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.061598][ T1310] ? __alloc_skb+0x1d7/0x7a0 [ 123.061621][ T1310] ? __alloc_skb+0x1d7/0x7a0 [ 123.061651][ T1310] __alloc_skb+0x1d7/0x7a0 [ 123.061681][ T1310] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.061723][ T1310] ? process_one_work+0x7fd/0x1480 [ 123.061744][ T1310] process_one_work+0xaaf/0x1480 [ 123.061791][ T1310] ? __pfx_process_one_work+0x10/0x10 [ 123.061809][ T1310] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.061842][ T1310] ? assign_work+0x3cf/0x5d0 [ 123.061868][ T1310] worker_thread+0xb05/0x10d0 [ 123.061914][ T1310] kthread+0x388/0x470 [ 123.061939][ T1310] ? __pfx_worker_thread+0x10/0x10 [ 123.061958][ T1310] ? __pfx_kthread+0x10/0x10 [ 123.061985][ T1310] ret_from_fork+0x514/0xb70 [ 123.062014][ T1310] ? __pfx_ret_from_fork+0x10/0x10 [ 123.062040][ T1310] ? __switch_to+0xc89/0x1420 [ 123.062065][ T1310] ? __pfx_kthread+0x10/0x10 [ 123.062092][ T1310] ret_from_fork_asm+0x1a/0x30 [ 123.062136][ T1310] [ 123.062149][ T1310] FAULT_INJECTION: forcing a failure. [ 123.062149][ T1310] name failslab, interval 1, probability 100, space 0, times -1 [ 123.062173][ T1310] CPU: 1 UID: 0 PID: 1310 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.062194][ T1310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.062205][ T1310] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.062233][ T1310] Call Trace: [ 123.062240][ T1310] [ 123.062247][ T1310] dump_stack_lvl+0xe8/0x150 [ 123.062272][ T1310] should_fail_ex+0x467/0x600 [ 123.062301][ T1310] should_failslab+0xa8/0x100 [ 123.062321][ T1310] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.062349][ T1310] ? __alloc_skb+0x1d7/0x7a0 [ 123.062371][ T1310] ? __alloc_skb+0x1d7/0x7a0 [ 123.062402][ T1310] __alloc_skb+0x1d7/0x7a0 [ 123.062432][ T1310] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.062473][ T1310] ? process_one_work+0x7fd/0x1480 [ 123.062495][ T1310] process_one_work+0xaaf/0x1480 [ 123.062537][ T1310] ? __pfx_process_one_work+0x10/0x10 [ 123.062555][ T1310] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.062588][ T1310] ? assign_work+0x3cf/0x5d0 [ 123.062622][ T1310] worker_thread+0xb05/0x10d0 [ 123.062667][ T1310] kthread+0x388/0x470 [ 123.062693][ T1310] ? __pfx_worker_thread+0x10/0x10 [ 123.062712][ T1310] ? __pfx_kthread+0x10/0x10 [ 123.062739][ T1310] ret_from_fork+0x514/0xb70 [ 123.062768][ T1310] ? __pfx_ret_from_fork+0x10/0x10 [ 123.062799][ T1310] ? __switch_to+0xc89/0x1420 [ 123.062825][ T1310] ? __pfx_kthread+0x10/0x10 [ 123.062852][ T1310] ret_from_fork_asm+0x1a/0x30 [ 123.062896][ T1310] [ 123.062996][ T4965] FAULT_INJECTION: forcing a failure. [ 123.062996][ T4965] name failslab, interval 1, probability 100, space 0, times -1 [ 123.063019][ T4965] CPU: 1 UID: 0 PID: 4965 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.063042][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.063053][ T4965] Call Trace: [ 123.063060][ T4965] [ 123.063068][ T4965] dump_stack_lvl+0xe8/0x150 [ 123.063093][ T4965] should_fail_ex+0x467/0x600 [ 123.063121][ T4965] should_failslab+0xa8/0x100 [ 123.063138][ T4965] ? do_getname+0x2e/0x250 [ 123.063166][ T4965] kmem_cache_alloc_noprof+0x9e/0x680 [ 123.063193][ T4965] ? do_getname+0x2e/0x250 [ 123.063226][ T4965] do_getname+0x2e/0x250 [ 123.063252][ T4965] ? getname_flags+0x11/0x20 [ 123.063281][ T4965] vfs_fstatat+0x45/0x170 [ 123.063316][ T4965] __x64_sys_newfstatat+0x151/0x200 [ 123.063348][ T4965] ? __pfx___x64_sys_newfstatat+0x10/0x10 [ 123.063406][ T4965] do_syscall_64+0x17b/0x530 [ 123.063425][ T4965] ? irqentry_exit+0x10f/0x8f0 [ 123.063444][ T4965] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.063464][ T4965] ? clear_bhb_loop+0x40/0x90 [ 123.063486][ T4965] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.063506][ T4965] RIP: 0033:0x7f360eef4b0a [ 123.063523][ T4965] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 123.063540][ T4965] RSP: 002b:00007ffd0290d3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 123.063559][ T4965] RAX: ffffffffffffffda RBX: 000055883f477428 RCX: 00007f360eef4b0a [ 123.063573][ T4965] RDX: 00007ffd0290d3f0 RSI: 000055883f465ed3 RDI: 00000000ffffff9c [ 123.063588][ T4965] RBP: 0000558847d89148 R08: 00000000075212d0 R09: 3fffffffffffffff [ 123.063601][ T4965] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 123.063614][ T4965] R13: 00007ffd0290d3f0 R14: 0000000000000000 R15: 0000000000000000 [ 123.063641][ T4965] [ 123.063702][ T5586] FAULT_INJECTION: forcing a failure. [ 123.063702][ T5586] name failslab, interval 1, probability 100, space 0, times -1 [ 123.063726][ T5586] CPU: 1 UID: 0 PID: 5586 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.063747][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.063757][ T5586] Call Trace: [ 123.063765][ T5586] [ 123.063773][ T5586] dump_stack_lvl+0xe8/0x150 [ 123.063804][ T5586] should_fail_ex+0x467/0x600 [ 123.063830][ T5586] should_failslab+0xa8/0x100 [ 123.063848][ T5586] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.063873][ T5586] ? __alloc_skb+0x1d7/0x7a0 [ 123.063895][ T5586] ? __alloc_skb+0x1d7/0x7a0 [ 123.063924][ T5586] __alloc_skb+0x1d7/0x7a0 [ 123.063953][ T5586] tcp_stream_alloc_skb+0x3f/0x5c0 [ 123.063985][ T5586] tcp_sendmsg_locked+0x143d/0x55c0 [ 123.064063][ T5586] ? __pfx_tcp_sendmsg_locked+0x10/0x10 [ 123.064100][ T5586] ? __local_bh_enable_ip+0x1ae/0x2b0 [ 123.064120][ T5586] ? lockdep_hardirqs_on+0x7a/0x110 [ 123.064144][ T5586] tcp_sendmsg+0x2f/0x50 [ 123.064172][ T5586] ? __pfx_inet_sendmsg+0x10/0x10 [ 123.064195][ T5586] sock_sendmsg_nosec+0x10e/0x180 [ 123.064220][ T5586] sock_write_iter+0x2e4/0x3f0 [ 123.064243][ T5586] ? __pfx_sock_write_iter+0x10/0x10 [ 123.064272][ T5586] ? bpf_lsm_file_permission+0x9/0x20 [ 123.064299][ T5586] ? security_file_permission+0x68/0x220 [ 123.064329][ T5586] vfs_write+0x61e/0xbb0 [ 123.064360][ T5586] ? __pfx_vfs_write+0x10/0x10 [ 123.064403][ T5586] ksys_write+0x156/0x270 [ 123.064427][ T5586] ? __pfx_ksys_write+0x10/0x10 [ 123.064459][ T5586] do_syscall_64+0x17b/0x530 [ 123.064478][ T5586] ? irqentry_exit+0x10f/0x8f0 [ 123.064496][ T5586] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.064515][ T5586] ? clear_bhb_loop+0x40/0x90 [ 123.064540][ T5586] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.064559][ T5586] RIP: 0033:0x7f91c5bb9017 [ 123.064576][ T5586] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 123.064592][ T5586] RSP: 002b:00007fff3b984360 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 123.064609][ T5586] RAX: ffffffffffffffda RBX: 0000555558c3b540 RCX: 00007f91c5bb9017 [ 123.064624][ T5586] RDX: 0000000000000200 RSI: 00007f91c2c5fe00 RDI: 0000000000000003 [ 123.064636][ T5586] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 123.064648][ T5586] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000200 [ 123.064660][ T5586] R13: 0000555558c53370 R14: 00007fff3b984900 R15: 00007f91c2c5fe00 [ 123.064691][ T5586] [ 123.066226][ T6217] FAULT_INJECTION: forcing a failure. [ 123.066226][ T6217] name failslab, interval 1, probability 100, space 0, times -1 [ 123.066254][ T6217] CPU: 1 UID: 0 PID: 6217 Comm: syz.4.116 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.066275][ T6217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.066285][ T6217] Call Trace: [ 123.066293][ T6217] [ 123.066300][ T6217] dump_stack_lvl+0xe8/0x150 [ 123.066328][ T6217] should_fail_ex+0x467/0x600 [ 123.066358][ T6217] should_failslab+0xa8/0x100 [ 123.066377][ T6217] ? __send_signal_locked+0x22c/0xeb0 [ 123.066407][ T6217] kmem_cache_alloc_noprof+0x9e/0x680 [ 123.066436][ T6217] ? __send_signal_locked+0x22c/0xeb0 [ 123.066463][ T6217] ? sig_get_ucounts+0x3e4/0x450 [ 123.066485][ T6217] __send_signal_locked+0x22c/0xeb0 [ 123.066513][ T6217] ? do_notify_parent+0x34a/0xe60 [ 123.066538][ T6217] do_notify_parent+0xc23/0xe60 [ 123.066558][ T6217] ? lockdep_hardirqs_on+0x7a/0x110 [ 123.066585][ T6217] ? __pfx_do_notify_parent+0x10/0x10 [ 123.066621][ T6217] ? preempt_count_add+0x91/0x190 [ 123.066641][ T6217] ? kill_orphaned_pgrp+0x5ee/0x610 [ 123.066673][ T6217] do_exit+0x13f8/0x2360 [ 123.066698][ T6217] ? lockdep_hardirqs_on+0x7a/0x110 [ 123.066716][ T6217] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 123.066742][ T6217] ? __pfx_do_exit+0x10/0x10 [ 123.066768][ T6217] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 123.066809][ T6217] ? rt_spin_unlock+0x157/0x200 [ 123.066837][ T6217] do_group_exit+0x22d/0x2f0 [ 123.066863][ T6217] ? rt_spin_unlock+0x163/0x200 [ 123.066891][ T6217] get_signal+0x121b/0x12c0 [ 123.066932][ T6217] arch_do_signal_or_restart+0xbb/0x860 [ 123.066960][ T6217] ? __pfx_arch_do_signal_or_restart+0x10/0x10 [ 123.066994][ T6217] ? do_user_addr_fault+0x117d/0x1340 [ 123.067031][ T6217] irqentry_exit+0x2ba/0x8f0 [ 123.067049][ T6217] ? trace_irq_disable+0x3b/0x140 [ 123.067074][ T6217] asm_exc_page_fault+0x26/0x30 [ 123.067092][ T6217] RIP: 0033:0x7f769af0b903 [ 123.067109][ T6217] Code: Unable to access opcode bytes at 0x7f769af0b8d9. [ 123.067118][ T6217] RSP: 002b:00007ffc72c8dd00 EFLAGS: 00010246 [ 123.067135][ T6217] RAX: 00000000003ffde8 RBX: 0000000000000000 RCX: 0000001b31064000 [ 123.067149][ T6217] RDX: 0000001b31024000 RSI: 0000000000400000 RDI: 00007f769b27e710 [ 123.067162][ T6217] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 123.067174][ T6217] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 123.067186][ T6217] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc72c8df90 [ 123.067216][ T6217] [ 123.068904][ T1299] FAULT_INJECTION: forcing a failure. [ 123.068904][ T1299] name failslab, interval 1, probability 100, space 0, times -1 [ 123.068930][ T1299] CPU: 1 UID: 0 PID: 1299 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.068951][ T1299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.068964][ T1299] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.068994][ T1299] Call Trace: [ 123.069002][ T1299] [ 123.069010][ T1299] dump_stack_lvl+0xe8/0x150 [ 123.069035][ T1299] should_fail_ex+0x467/0x600 [ 123.069065][ T1299] should_failslab+0xa8/0x100 [ 123.069085][ T1299] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.069113][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.069136][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.069167][ T1299] __alloc_skb+0x1d7/0x7a0 [ 123.069197][ T1299] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.069239][ T1299] ? process_one_work+0x7fd/0x1480 [ 123.069260][ T1299] process_one_work+0xaaf/0x1480 [ 123.069302][ T1299] ? __pfx_process_one_work+0x10/0x10 [ 123.069320][ T1299] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.069352][ T1299] ? assign_work+0x3cf/0x5d0 [ 123.069378][ T1299] worker_thread+0xb05/0x10d0 [ 123.069424][ T1299] kthread+0x388/0x470 [ 123.069449][ T1299] ? __pfx_worker_thread+0x10/0x10 [ 123.069468][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.069495][ T1299] ret_from_fork+0x514/0xb70 [ 123.069525][ T1299] ? __pfx_ret_from_fork+0x10/0x10 [ 123.069551][ T1299] ? __switch_to+0xc89/0x1420 [ 123.069576][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.069604][ T1299] ret_from_fork_asm+0x1a/0x30 [ 123.069647][ T1299] [ 123.069660][ T1299] FAULT_INJECTION: forcing a failure. [ 123.069660][ T1299] name failslab, interval 1, probability 100, space 0, times -1 [ 123.069683][ T1299] CPU: 1 UID: 0 PID: 1299 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.069704][ T1299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.069715][ T1299] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.069743][ T1299] Call Trace: [ 123.069750][ T1299] [ 123.069758][ T1299] dump_stack_lvl+0xe8/0x150 [ 123.069789][ T1299] should_fail_ex+0x467/0x600 [ 123.069818][ T1299] should_failslab+0xa8/0x100 [ 123.069838][ T1299] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.069865][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.069887][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.069919][ T1299] __alloc_skb+0x1d7/0x7a0 [ 123.069949][ T1299] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.069990][ T1299] ? process_one_work+0x7fd/0x1480 [ 123.070011][ T1299] process_one_work+0xaaf/0x1480 [ 123.070053][ T1299] ? __pfx_process_one_work+0x10/0x10 [ 123.070071][ T1299] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.070104][ T1299] ? assign_work+0x3cf/0x5d0 [ 123.070130][ T1299] worker_thread+0xb05/0x10d0 [ 123.070175][ T1299] kthread+0x388/0x470 [ 123.070200][ T1299] ? __pfx_worker_thread+0x10/0x10 [ 123.070219][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.070246][ T1299] ret_from_fork+0x514/0xb70 [ 123.070274][ T1299] ? __pfx_ret_from_fork+0x10/0x10 [ 123.070299][ T1299] ? __switch_to+0xc89/0x1420 [ 123.070325][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.070352][ T1299] ret_from_fork_asm+0x1a/0x30 [ 123.070395][ T1299] [ 123.070408][ T1299] FAULT_INJECTION: forcing a failure. [ 123.070408][ T1299] name failslab, interval 1, probability 100, space 0, times -1 [ 123.070602][ T5602] FAULT_INJECTION: forcing a failure. [ 123.070602][ T5602] name failslab, interval 1, probability 100, space 0, times -1 [ 123.070626][ T5602] CPU: 1 UID: 0 PID: 5602 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.070647][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.070658][ T5602] Call Trace: [ 123.070665][ T5602] [ 123.070672][ T5602] dump_stack_lvl+0xe8/0x150 [ 123.070698][ T5602] should_fail_ex+0x467/0x600 [ 123.070728][ T5602] should_failslab+0xa8/0x100 [ 123.070748][ T5602] __kmalloc_cache_noprof+0xa1/0x670 [ 123.070783][ T5602] ? nsim_fib_event_nb+0x180/0x1200 [ 123.070802][ T5602] ? nsim_fib_event_nb+0x180/0x1200 [ 123.070822][ T5602] ? lock_acquire+0x115/0x350 [ 123.070855][ T5602] nsim_fib_event_nb+0x180/0x1200 [ 123.070879][ T5602] ? lock_acquire+0x115/0x350 [ 123.070914][ T5602] notifier_call_chain+0x1a5/0x3d0 [ 123.070943][ T5602] ? atomic_notifier_call_chain+0x26/0x180 [ 123.070971][ T5602] atomic_notifier_call_chain+0xda/0x180 [ 123.070998][ T5602] call_fib_notifiers+0x31/0x60 [ 123.071027][ T5602] fib6_del+0x1009/0x15f0 [ 123.071059][ T5602] ? fib6_del+0x5f1/0x15f0 [ 123.071104][ T5602] ? __pfx_fib6_del+0x10/0x10 [ 123.071146][ T5602] ? fib6_ifdown+0x2c2/0x4c0 [ 123.071169][ T5602] fib6_clean_node+0x295/0x580 [ 123.071198][ T5602] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 123.071222][ T5602] ? __pfx_fib6_clean_node+0x10/0x10 [ 123.071249][ T5602] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 123.071276][ T5602] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.071300][ T5602] ? lock_acquire+0x115/0x350 [ 123.071331][ T5602] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 123.071362][ T5602] fib6_walk_continue+0x688/0x8e0 [ 123.071400][ T5602] ? __fib6_clean_all+0xb8/0x620 [ 123.071430][ T5602] __fib6_clean_all+0x3a7/0x620 [ 123.071459][ T5602] ? __fib6_clean_all+0xb8/0x620 [ 123.071493][ T5602] ? __pfx_fib6_ifdown+0x10/0x10 [ 123.071512][ T5602] ? __pfx___fib6_clean_all+0x10/0x10 [ 123.071545][ T5602] ? __pfx_fib6_clean_node+0x10/0x10 [ 123.071574][ T5602] ? __pfx_fib6_ifdown+0x10/0x10 [ 123.071595][ T5602] ? lockdep_hardirqs_on+0x7a/0x110 [ 123.071614][ T5602] ? irqentry_exit+0x218/0x8f0 [ 123.071641][ T5602] rt6_disable_ip+0x129/0x820 [ 123.071670][ T5602] ? __pfx_rt6_disable_ip+0x10/0x10 [ 123.071688][ T5602] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.071724][ T5602] addrconf_ifdown+0x157/0x1a00 [ 123.071751][ T5602] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 123.071771][ T5602] ? lockdep_hardirqs_on+0x7a/0x110 [ 123.071795][ T5602] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 123.071814][ T5602] ? rt_mutex_slowunlock+0x219/0x460 [ 123.071840][ T5602] ? tls_dev_event+0x6c1/0xf50 [ 123.071870][ T5602] ? __pfx_addrconf_ifdown+0x10/0x10 [ 123.071914][ T5602] addrconf_notify+0x1bc/0x1050 [ 123.071939][ T5602] notifier_call_chain+0x1a5/0x3d0 [ 123.071973][ T5602] netif_close_many+0x463/0x660 [ 123.072007][ T5602] ? __pfx_netif_close_many+0x10/0x10 [ 123.072030][ T5602] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 123.072064][ T5602] unregister_netdevice_many_notify+0xb76/0x2120 [ 123.072099][ T5602] ? do_raw_spin_unlock+0xf5/0x210 [ 123.072126][ T5602] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 123.072158][ T5602] ? do_raw_spin_unlock+0xf5/0x210 [ 123.072187][ T5602] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 123.072212][ T5602] unregister_netdevice_queue+0x2f5/0x340 [ 123.072245][ T5602] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 123.072273][ T5602] ? queue_delayed_work_on+0x12f/0x1e0 [ 123.072295][ T5602] ? lockdep_hardirqs_on+0x7a/0x110 [ 123.072314][ T5602] ? queue_delayed_work_on+0x171/0x1e0 [ 123.072343][ T5602] __tun_detach+0xff8/0x1830 [ 123.072379][ T5602] ? __tun_detach+0xade/0x1830 [ 123.072404][ T5602] tun_chr_close+0x10d/0x1c0 [ 123.072423][ T5602] ? __pfx_tun_chr_close+0x10/0x10 [ 123.072443][ T5602] __fput+0x42a/0xa80 [ 123.072471][ T5602] task_work_run+0x1d9/0x270 [ 123.072502][ T5602] ? __pfx_task_work_run+0x10/0x10 [ 123.072529][ T5602] ? do_exit+0x735/0x2360 [ 123.072552][ T5602] ? kmem_cache_free+0x187/0x6c0 [ 123.072579][ T5602] ? put_net+0x191/0x260 [ 123.072597][ T5602] ? do_exit+0x735/0x2360 [ 123.072627][ T5602] do_exit+0x73a/0x2360 [ 123.072658][ T5602] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 123.072685][ T5602] ? __pfx_do_exit+0x10/0x10 [ 123.072715][ T5602] ? rt_spin_unlock+0x157/0x200 [ 123.072745][ T5602] ? rt_spin_unlock+0x163/0x200 [ 123.072800][ T5602] do_group_exit+0x22d/0x2f0 [ 123.072832][ T5602] __x64_sys_exit_group+0x3f/0x40 [ 123.072858][ T5602] x64_sys_call+0x18bf/0x18c0 [ 123.072884][ T5602] do_syscall_64+0x17b/0x530 [ 123.072904][ T5602] ? irqentry_exit+0x10f/0x8f0 [ 123.072922][ T5602] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.072941][ T5602] ? clear_bhb_loop+0x40/0x90 [ 123.072966][ T5602] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.072985][ T5602] RIP: 0033:0x7f47730fde99 [ 123.073002][ T5602] Code: Unable to access opcode bytes at 0x7f47730fde6f. [ 123.073013][ T5602] RSP: 002b:00007ffc78f87938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 123.073032][ T5602] RAX: ffffffffffffffda RBX: 00007f4773193316 RCX: 00007f47730fde99 [ 123.073046][ T5602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 123.073057][ T5602] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f477319330a [ 123.073069][ T5602] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc78f88b90 [ 123.073082][ T5602] R13: 00007f477319330a R14: 000000000001d5b9 R15: 00007ffc78f88bd0 [ 123.073116][ T5602] [ 123.073187][ T3829] FAULT_INJECTION: forcing a failure. [ 123.073187][ T3829] name failslab, interval 1, probability 100, space 0, times -1 [ 123.073212][ T3829] CPU: 1 UID: 0 PID: 3829 Comm: kworker/u8:18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.073233][ T3829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.073245][ T3829] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.073274][ T3829] Call Trace: [ 123.073281][ T3829] [ 123.073293][ T3829] dump_stack_lvl+0xe8/0x150 [ 123.073319][ T3829] should_fail_ex+0x467/0x600 [ 123.073348][ T3829] should_failslab+0xa8/0x100 [ 123.073368][ T3829] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.073395][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.073418][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.073449][ T3829] __alloc_skb+0x1d7/0x7a0 [ 123.073478][ T3829] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.073521][ T3829] ? process_one_work+0x7fd/0x1480 [ 123.073542][ T3829] process_one_work+0xaaf/0x1480 [ 123.073584][ T3829] ? __pfx_process_one_work+0x10/0x10 [ 123.073602][ T3829] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.073635][ T3829] ? assign_work+0x3cf/0x5d0 [ 123.073660][ T3829] worker_thread+0xb05/0x10d0 [ 123.073692][ T3829] ? __kthread_parkme+0x71/0x1f0 [ 123.073725][ T3829] kthread+0x388/0x470 [ 123.073750][ T3829] ? __pfx_worker_thread+0x10/0x10 [ 123.073768][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.073803][ T3829] ret_from_fork+0x514/0xb70 [ 123.073829][ T3829] ? __pfx_ret_from_fork+0x10/0x10 [ 123.073855][ T3829] ? __switch_to+0xc89/0x1420 [ 123.073881][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.073907][ T3829] ret_from_fork_asm+0x1a/0x30 [ 123.073950][ T3829] [ 123.074094][ T3829] FAULT_INJECTION: forcing a failure. [ 123.074094][ T3829] name failslab, interval 1, probability 100, space 0, times -1 [ 123.074119][ T3829] CPU: 1 UID: 0 PID: 3829 Comm: kworker/u8:18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.074141][ T3829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.074153][ T3829] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.074181][ T3829] Call Trace: [ 123.074188][ T3829] [ 123.074196][ T3829] dump_stack_lvl+0xe8/0x150 [ 123.074221][ T3829] should_fail_ex+0x467/0x600 [ 123.074250][ T3829] should_failslab+0xa8/0x100 [ 123.074271][ T3829] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.074297][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.074319][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.074351][ T3829] __alloc_skb+0x1d7/0x7a0 [ 123.074380][ T3829] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.074423][ T3829] ? process_one_work+0x7fd/0x1480 [ 123.074444][ T3829] process_one_work+0xaaf/0x1480 [ 123.074486][ T3829] ? __pfx_process_one_work+0x10/0x10 [ 123.074504][ T3829] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.074537][ T3829] ? assign_work+0x3cf/0x5d0 [ 123.074563][ T3829] worker_thread+0xb05/0x10d0 [ 123.074595][ T3829] ? __kthread_parkme+0x71/0x1f0 [ 123.074627][ T3829] kthread+0x388/0x470 [ 123.074653][ T3829] ? __pfx_worker_thread+0x10/0x10 [ 123.074672][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.074702][ T3829] ret_from_fork+0x514/0xb70 [ 123.074730][ T3829] ? __pfx_ret_from_fork+0x10/0x10 [ 123.074756][ T3829] ? __switch_to+0xc89/0x1420 [ 123.074788][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.074814][ T3829] ret_from_fork_asm+0x1a/0x30 [ 123.074856][ T3829] [ 123.074899][ T12] FAULT_INJECTION: forcing a failure. [ 123.074899][ T12] name failslab, interval 1, probability 100, space 0, times -1 [ 123.074921][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.074939][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.074950][ T12] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.074979][ T12] Call Trace: [ 123.074987][ T12] [ 123.074994][ T12] dump_stack_lvl+0xe8/0x150 [ 123.075019][ T12] should_fail_ex+0x467/0x600 [ 123.075048][ T12] should_failslab+0xa8/0x100 [ 123.075068][ T12] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.075094][ T12] ? __alloc_skb+0x1d7/0x7a0 [ 123.075117][ T12] ? __alloc_skb+0x1d7/0x7a0 [ 123.075147][ T12] __alloc_skb+0x1d7/0x7a0 [ 123.075177][ T12] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.075219][ T12] ? process_one_work+0x7fd/0x1480 [ 123.075239][ T12] process_one_work+0xaaf/0x1480 [ 123.075281][ T12] ? __pfx_process_one_work+0x10/0x10 [ 123.075304][ T12] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.075337][ T12] ? assign_work+0x3cf/0x5d0 [ 123.075362][ T12] worker_thread+0xb05/0x10d0 [ 123.075408][ T12] kthread+0x388/0x470 [ 123.075433][ T12] ? __pfx_worker_thread+0x10/0x10 [ 123.075452][ T12] ? __pfx_kthread+0x10/0x10 [ 123.075479][ T12] ret_from_fork+0x514/0xb70 [ 123.075508][ T12] ? __pfx_ret_from_fork+0x10/0x10 [ 123.075534][ T12] ? __switch_to+0xc89/0x1420 [ 123.075559][ T12] ? __pfx_kthread+0x10/0x10 [ 123.075586][ T12] ret_from_fork_asm+0x1a/0x30 [ 123.075630][ T12] [ 123.075644][ T12] FAULT_INJECTION: forcing a failure. [ 123.075644][ T12] name failslab, interval 1, probability 100, space 0, times -1 [ 123.075666][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.075687][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.075699][ T12] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.075726][ T12] Call Trace: [ 123.075734][ T12] [ 123.075741][ T12] dump_stack_lvl+0xe8/0x150 [ 123.075763][ T12] should_fail_ex+0x467/0x600 [ 123.075800][ T12] should_failslab+0xa8/0x100 [ 123.075819][ T12] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.075846][ T12] ? __alloc_skb+0x1d7/0x7a0 [ 123.075868][ T12] ? __alloc_skb+0x1d7/0x7a0 [ 123.075899][ T12] __alloc_skb+0x1d7/0x7a0 [ 123.075929][ T12] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.075971][ T12] ? process_one_work+0x7fd/0x1480 [ 123.075992][ T12] process_one_work+0xaaf/0x1480 [ 123.076034][ T12] ? __pfx_process_one_work+0x10/0x10 [ 123.076052][ T12] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.076085][ T12] ? assign_work+0x3cf/0x5d0 [ 123.076111][ T12] worker_thread+0xb05/0x10d0 [ 123.076157][ T12] kthread+0x388/0x470 [ 123.076181][ T12] ? __pfx_worker_thread+0x10/0x10 [ 123.076201][ T12] ? __pfx_kthread+0x10/0x10 [ 123.076228][ T12] ret_from_fork+0x514/0xb70 [ 123.076257][ T12] ? __pfx_ret_from_fork+0x10/0x10 [ 123.076282][ T12] ? __switch_to+0xc89/0x1420 [ 123.076308][ T12] ? __pfx_kthread+0x10/0x10 [ 123.076335][ T12] ret_from_fork_asm+0x1a/0x30 [ 123.076378][ T12] [ 123.076455][ T5586] FAULT_INJECTION: forcing a failure. [ 123.076455][ T5586] name failslab, interval 1, probability 100, space 0, times -1 [ 123.076478][ T5586] CPU: 1 UID: 0 PID: 5586 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.076500][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.076510][ T5586] Call Trace: [ 123.076518][ T5586] [ 123.076526][ T5586] dump_stack_lvl+0xe8/0x150 [ 123.076551][ T5586] should_fail_ex+0x467/0x600 [ 123.076579][ T5586] should_failslab+0xa8/0x100 [ 123.076598][ T5586] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.076626][ T5586] ? __alloc_skb+0x1d7/0x7a0 [ 123.076648][ T5586] ? __alloc_skb+0x1d7/0x7a0 [ 123.076678][ T5586] __alloc_skb+0x1d7/0x7a0 [ 123.076706][ T5586] tcp_stream_alloc_skb+0x3f/0x5c0 [ 123.076739][ T5586] tcp_sendmsg_locked+0x143d/0x55c0 [ 123.076823][ T5586] ? __pfx_tcp_sendmsg_locked+0x10/0x10 [ 123.076861][ T5586] ? __local_bh_enable_ip+0x1ae/0x2b0 [ 123.076882][ T5586] ? lockdep_hardirqs_on+0x7a/0x110 [ 123.076906][ T5586] tcp_sendmsg+0x2f/0x50 [ 123.076933][ T5586] ? __pfx_inet_sendmsg+0x10/0x10 [ 123.076957][ T5586] sock_sendmsg_nosec+0x10e/0x180 [ 123.076981][ T5586] sock_write_iter+0x2e4/0x3f0 [ 123.077005][ T5586] ? __pfx_sock_write_iter+0x10/0x10 [ 123.077033][ T5586] ? bpf_lsm_file_permission+0x9/0x20 [ 123.077060][ T5586] ? security_file_permission+0x68/0x220 [ 123.077091][ T5586] vfs_write+0x61e/0xbb0 [ 123.077122][ T5586] ? __pfx_vfs_write+0x10/0x10 [ 123.077165][ T5586] ksys_write+0x156/0x270 [ 123.077189][ T5586] ? __pfx_ksys_write+0x10/0x10 [ 123.077221][ T5586] do_syscall_64+0x17b/0x530 [ 123.077240][ T5586] ? irqentry_exit+0x10f/0x8f0 [ 123.077259][ T5586] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.077279][ T5586] ? clear_bhb_loop+0x40/0x90 [ 123.077302][ T5586] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.077321][ T5586] RIP: 0033:0x7f91c5bb9017 [ 123.077338][ T5586] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 123.077355][ T5586] RSP: 002b:00007fff3b984360 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 123.077374][ T5586] RAX: ffffffffffffffda RBX: 0000555558c3b540 RCX: 00007f91c5bb9017 [ 123.077388][ T5586] RDX: 0000000000000200 RSI: 00007f91c2c5fe00 RDI: 0000000000000003 [ 123.077400][ T5586] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 123.077412][ T5586] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000200 [ 123.077424][ T5586] R13: 0000555558c53370 R14: 00007fff3b984900 R15: 00007f91c2c5fe00 [ 123.077455][ T5586] [ 123.086162][ T4965] FAULT_INJECTION: forcing a failure. [ 123.086162][ T4965] name failslab, interval 1, probability 100, space 0, times -1 [ 123.086195][ T4965] CPU: 1 UID: 0 PID: 4965 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.086217][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.086229][ T4965] Call Trace: [ 123.086236][ T4965] [ 123.086244][ T4965] dump_stack_lvl+0xe8/0x150 [ 123.086273][ T4965] should_fail_ex+0x467/0x600 [ 123.086302][ T4965] should_failslab+0xa8/0x100 [ 123.086320][ T4965] ? do_getname+0x2e/0x250 [ 123.086349][ T4965] kmem_cache_alloc_noprof+0x9e/0x680 [ 123.086376][ T4965] ? do_getname+0x2e/0x250 [ 123.086408][ T4965] do_getname+0x2e/0x250 [ 123.086434][ T4965] ? getname_flags+0x11/0x20 [ 123.086464][ T4965] vfs_fstatat+0x45/0x170 [ 123.086495][ T4965] __x64_sys_newfstatat+0x151/0x200 [ 123.086528][ T4965] ? __pfx___x64_sys_newfstatat+0x10/0x10 [ 123.086585][ T4965] do_syscall_64+0x17b/0x530 [ 123.086605][ T4965] ? irqentry_exit+0x10f/0x8f0 [ 123.086623][ T4965] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.086643][ T4965] ? clear_bhb_loop+0x40/0x90 [ 123.086667][ T4965] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.086685][ T4965] RIP: 0033:0x7f360eef4b0a [ 123.086703][ T4965] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 123.086720][ T4965] RSP: 002b:00007ffd0290d3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 123.086740][ T4965] RAX: ffffffffffffffda RBX: 000055883f477430 RCX: 00007f360eef4b0a [ 123.086754][ T4965] RDX: 00007ffd0290d3f0 RSI: 000055883f465ee9 RDI: 00000000ffffff9c [ 123.086768][ T4965] RBP: 0000558847d89148 R08: 00000000075212d0 R09: 3fffffffffffffff [ 123.086788][ T4965] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 123.086800][ T4965] R13: 00007ffd0290d3f0 R14: 0000000000000000 R15: 0000000000000000 [ 123.086829][ T4965] [ 123.086843][ T4965] FAULT_INJECTION: forcing a failure. [ 123.086843][ T4965] name failslab, interval 1, probability 100, space 0, times -1 [ 123.086866][ T4965] CPU: 1 UID: 0 PID: 4965 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.086887][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.086897][ T4965] Call Trace: [ 123.086904][ T4965] [ 123.086911][ T4965] dump_stack_lvl+0xe8/0x150 [ 123.086936][ T4965] should_fail_ex+0x467/0x600 [ 123.086964][ T4965] should_failslab+0xa8/0x100 [ 123.086981][ T4965] ? do_getname+0x2e/0x250 [ 123.087008][ T4965] kmem_cache_alloc_noprof+0x9e/0x680 [ 123.087034][ T4965] ? do_getname+0x2e/0x250 [ 123.087068][ T4965] do_getname+0x2e/0x250 [ 123.087094][ T4965] ? getname_flags+0x11/0x20 [ 123.087123][ T4965] vfs_fstatat+0x45/0x170 [ 123.087153][ T4965] __x64_sys_newfstatat+0x151/0x200 [ 123.087185][ T4965] ? __pfx___x64_sys_newfstatat+0x10/0x10 [ 123.087243][ T4965] do_syscall_64+0x17b/0x530 [ 123.087262][ T4965] ? irqentry_exit+0x10f/0x8f0 [ 123.087279][ T4965] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.087299][ T4965] ? clear_bhb_loop+0x40/0x90 [ 123.087321][ T4965] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.087339][ T4965] RIP: 0033:0x7f360eef4b0a [ 123.087355][ T4965] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 123.087371][ T4965] RSP: 002b:00007ffd0290d3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 123.087390][ T4965] RAX: ffffffffffffffda RBX: 0000558847d87fa0 RCX: 00007f360eef4b0a [ 123.087404][ T4965] RDX: 00007ffd0290d3f0 RSI: 0000558847d87fa0 RDI: 00000000ffffff9c [ 123.087417][ T4965] RBP: 0000558847d76bf0 R08: 00000000075212d0 R09: 3fffffffffffffff [ 123.087431][ T4965] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd0290d3f0 [ 123.087444][ T4965] R13: 000055883f480100 R14: 0000000000000000 R15: 0000000000000000 [ 123.087472][ T4965] [ 123.087484][ T4965] FAULT_INJECTION: forcing a failure. [ 123.087484][ T4965] name failslab, interval 1, probability 100, space 0, times -1 [ 123.087507][ T4965] CPU: 1 UID: 0 PID: 4965 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.087527][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.087538][ T4965] Call Trace: [ 123.087545][ T4965] [ 123.087552][ T4965] dump_stack_lvl+0xe8/0x150 [ 123.087577][ T4965] should_fail_ex+0x467/0x600 [ 123.087605][ T4965] should_failslab+0xa8/0x100 [ 123.087622][ T4965] ? do_getname+0x2e/0x250 [ 123.087653][ T4965] kmem_cache_alloc_noprof+0x9e/0x680 [ 123.087679][ T4965] ? do_getname+0x2e/0x250 [ 123.087711][ T4965] do_getname+0x2e/0x250 [ 123.087737][ T4965] ? getname_flags+0x11/0x20 [ 123.087766][ T4965] vfs_fstatat+0x45/0x170 [ 123.087802][ T4965] __x64_sys_newfstatat+0x151/0x200 [ 123.087834][ T4965] ? __pfx___x64_sys_newfstatat+0x10/0x10 [ 123.087892][ T4965] do_syscall_64+0x17b/0x530 [ 123.087911][ T4965] ? irqentry_exit+0x10f/0x8f0 [ 123.087928][ T4965] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.087947][ T4965] ? clear_bhb_loop+0x40/0x90 [ 123.087970][ T4965] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.087989][ T4965] RIP: 0033:0x7f360eef4b0a [ 123.088005][ T4965] Code: 48 8b 15 f1 f2 0d 00 f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 8b 15 b9 f2 0d 00 f7 [ 123.088021][ T4965] RSP: 002b:00007ffd0290d3e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 [ 123.088039][ T4965] RAX: ffffffffffffffda RBX: 0000558847d87fb3 RCX: 00007f360eef4b0a [ 123.088053][ T4965] RDX: 00007ffd0290d3f0 RSI: 0000558847d87fb3 RDI: 00000000ffffff9c [ 123.088067][ T4965] RBP: 0000558847d76bf0 R08: 00000000075212d0 R09: 3fffffffffffffff [ 123.088081][ T4965] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd0290d3f0 [ 123.088094][ T4965] R13: 000055883f480100 R14: 0000000000000000 R15: 0000000000000000 [ 123.088122][ T4965] [ 123.088197][ T4293] FAULT_INJECTION: forcing a failure. [ 123.088197][ T4293] name failslab, interval 1, probability 100, space 0, times -1 [ 123.088222][ T4293] CPU: 1 UID: 0 PID: 4293 Comm: kworker/u8:19 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.088242][ T4293] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.088254][ T4293] Workqueue: bat_events batadv_mcast_mla_update [ 123.088276][ T4293] Call Trace: [ 123.088283][ T4293] [ 123.088290][ T4293] dump_stack_lvl+0xe8/0x150 [ 123.088316][ T4293] should_fail_ex+0x467/0x600 [ 123.088346][ T4293] should_failslab+0xa8/0x100 [ 123.088367][ T4293] __kmalloc_cache_noprof+0xa1/0x670 [ 123.088397][ T4293] ? batadv_mcast_mla_update+0xfdd/0x3720 [ 123.088420][ T4293] ? batadv_mcast_mla_update+0xfdd/0x3720 [ 123.088452][ T4293] batadv_mcast_mla_update+0xfdd/0x3720 [ 123.088477][ T4293] ? batadv_mcast_mla_update+0x186/0x3720 [ 123.088510][ T4293] ? __pfx_batadv_mcast_mla_update+0x10/0x10 [ 123.088535][ T4293] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.088582][ T4293] ? rcu_is_watching+0x15/0xb0 [ 123.088605][ T4293] ? process_one_work+0x7fd/0x1480 [ 123.088626][ T4293] process_one_work+0xaaf/0x1480 [ 123.088666][ T4293] ? __pfx_process_one_work+0x10/0x10 [ 123.088684][ T4293] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.088717][ T4293] ? assign_work+0x3cf/0x5d0 [ 123.088743][ T4293] worker_thread+0xb05/0x10d0 [ 123.088792][ T4293] kthread+0x388/0x470 [ 123.088818][ T4293] ? __pfx_worker_thread+0x10/0x10 [ 123.088838][ T4293] ? __pfx_kthread+0x10/0x10 [ 123.088864][ T4293] ret_from_fork+0x514/0xb70 [ 123.088893][ T4293] ? __pfx_ret_from_fork+0x10/0x10 [ 123.088919][ T4293] ? __switch_to+0xc89/0x1420 [ 123.088945][ T4293] ? __pfx_kthread+0x10/0x10 [ 123.088972][ T4293] ret_from_fork_asm+0x1a/0x30 [ 123.089014][ T4293] [ 123.089054][ T1310] FAULT_INJECTION: forcing a failure. [ 123.089054][ T1310] name failslab, interval 1, probability 100, space 0, times -1 [ 123.089077][ T1310] CPU: 1 UID: 0 PID: 1310 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.089098][ T1310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.089109][ T1310] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.089138][ T1310] Call Trace: [ 123.089145][ T1310] [ 123.089154][ T1310] dump_stack_lvl+0xe8/0x150 [ 123.089178][ T1310] should_fail_ex+0x467/0x600 [ 123.089208][ T1310] should_failslab+0xa8/0x100 [ 123.089228][ T1310] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.089256][ T1310] ? __alloc_skb+0x1d7/0x7a0 [ 123.089279][ T1310] ? __alloc_skb+0x1d7/0x7a0 [ 123.089310][ T1310] __alloc_skb+0x1d7/0x7a0 [ 123.089340][ T1310] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.089382][ T1310] ? process_one_work+0x7fd/0x1480 [ 123.089403][ T1310] process_one_work+0xaaf/0x1480 [ 123.089446][ T1310] ? __pfx_process_one_work+0x10/0x10 [ 123.089463][ T1310] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.089496][ T1310] ? assign_work+0x3cf/0x5d0 [ 123.089522][ T1310] worker_thread+0xb05/0x10d0 [ 123.089567][ T1310] kthread+0x388/0x470 [ 123.089592][ T1310] ? __pfx_worker_thread+0x10/0x10 [ 123.089611][ T1310] ? __pfx_kthread+0x10/0x10 [ 123.089639][ T1310] ret_from_fork+0x514/0xb70 [ 123.089670][ T1310] ? __pfx_ret_from_fork+0x10/0x10 [ 123.089696][ T1310] ? __switch_to+0xc89/0x1420 [ 123.089721][ T1310] ? __pfx_kthread+0x10/0x10 [ 123.089748][ T1310] ret_from_fork_asm+0x1a/0x30 [ 123.089797][ T1310] [ 123.089842][ T1310] FAULT_INJECTION: forcing a failure. [ 123.089842][ T1310] name failslab, interval 1, probability 100, space 0, times -1 [ 123.089865][ T1310] CPU: 1 UID: 0 PID: 1310 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.089886][ T1310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.089896][ T1310] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.089924][ T1310] Call Trace: [ 123.089932][ T1310] [ 123.089939][ T1310] dump_stack_lvl+0xe8/0x150 [ 123.089965][ T1310] should_fail_ex+0x467/0x600 [ 123.089993][ T1310] should_failslab+0xa8/0x100 [ 123.090013][ T1310] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.090041][ T1310] ? __alloc_skb+0x1d7/0x7a0 [ 123.090064][ T1310] ? __alloc_skb+0x1d7/0x7a0 [ 123.090095][ T1310] __alloc_skb+0x1d7/0x7a0 [ 123.090124][ T1310] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.090166][ T1310] ? process_one_work+0x7fd/0x1480 [ 123.090187][ T1310] process_one_work+0xaaf/0x1480 [ 123.090229][ T1310] ? __pfx_process_one_work+0x10/0x10 [ 123.090247][ T1310] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.090279][ T1310] ? assign_work+0x3cf/0x5d0 [ 123.090304][ T1310] worker_thread+0xb05/0x10d0 [ 123.090350][ T1310] kthread+0x388/0x470 [ 123.090376][ T1310] ? __pfx_worker_thread+0x10/0x10 [ 123.090395][ T1310] ? __pfx_kthread+0x10/0x10 [ 123.090421][ T1310] ret_from_fork+0x514/0xb70 [ 123.090450][ T1310] ? __pfx_ret_from_fork+0x10/0x10 [ 123.090476][ T1310] ? __switch_to+0xc89/0x1420 [ 123.090501][ T1310] ? __pfx_kthread+0x10/0x10 [ 123.090531][ T1310] ret_from_fork_asm+0x1a/0x30 [ 123.090574][ T1310] [ 123.090978][ T5957] FAULT_INJECTION: forcing a failure. [ 123.090978][ T5957] name failslab, interval 1, probability 100, space 0, times -1 [ 123.091002][ T5957] CPU: 1 UID: 0 PID: 5957 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.091023][ T5957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.091034][ T5957] Call Trace: [ 123.091041][ T5957] [ 123.091049][ T5957] dump_stack_lvl+0xe8/0x150 [ 123.091075][ T5957] should_fail_ex+0x467/0x600 [ 123.091104][ T5957] should_failslab+0xa8/0x100 [ 123.091120][ T5957] ? do_getname+0x2e/0x250 [ 123.091147][ T5957] kmem_cache_alloc_noprof+0x9e/0x680 [ 123.091174][ T5957] ? do_getname+0x2e/0x250 [ 123.091211][ T5957] do_getname+0x2e/0x250 [ 123.091237][ T5957] ? user_path_at+0x1e/0x160 [ 123.091261][ T5957] user_path_at+0x2a/0x160 [ 123.091284][ T5957] __x64_sys_umount+0xf6/0x170 [ 123.091311][ T5957] ? __pfx___x64_sys_umount+0x10/0x10 [ 123.091347][ T5957] do_syscall_64+0x17b/0x530 [ 123.091366][ T5957] ? irqentry_exit+0x10f/0x8f0 [ 123.091384][ T5957] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.091404][ T5957] ? clear_bhb_loop+0x40/0x90 [ 123.091427][ T5957] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.091447][ T5957] RIP: 0033:0x7f769b03f0d7 [ 123.091463][ T5957] Code: a2 c7 05 1c 26 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 123.091479][ T5957] RSP: 002b:00007ffc72c8ce08 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 123.091498][ T5957] RAX: ffffffffffffffda RBX: 00007f769b0d330a RCX: 00007f769b03f0d7 [ 123.091513][ T5957] RDX: 0000000000000004 RSI: 0000000000000009 RDI: 00007ffc72c8df50 [ 123.091525][ T5957] RBP: 00007ffc72c8df3c R08: 0000000000000000 R09: 0000000000000000 [ 123.091538][ T5957] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc72c8df50 [ 123.091550][ T5957] R13: 00007f769b0d330a R14: 000000000001d365 R15: 00007ffc72c8df90 [ 123.091580][ T5957] [ 123.091608][ T5957] FAULT_INJECTION: forcing a failure. [ 123.091608][ T5957] name failslab, interval 1, probability 100, space 0, times -1 [ 123.091631][ T5957] CPU: 1 UID: 0 PID: 5957 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.091651][ T5957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.091662][ T5957] Call Trace: [ 123.091669][ T5957] [ 123.091676][ T5957] dump_stack_lvl+0xe8/0x150 [ 123.091701][ T5957] should_fail_ex+0x467/0x600 [ 123.091729][ T5957] should_failslab+0xa8/0x100 [ 123.091746][ T5957] ? do_getname+0x2e/0x250 [ 123.091782][ T5957] kmem_cache_alloc_noprof+0x9e/0x680 [ 123.091809][ T5957] ? do_getname+0x2e/0x250 [ 123.091842][ T5957] do_getname+0x2e/0x250 [ 123.091867][ T5957] ? getname_flags+0x11/0x20 [ 123.091897][ T5957] do_sys_openat2+0xcc/0x200 [ 123.091929][ T5957] ? __pfx_do_sys_openat2+0x10/0x10 [ 123.091961][ T5957] ? exc_page_fault+0x6a/0xc0 [ 123.091986][ T5957] __x64_sys_openat+0x138/0x170 [ 123.092020][ T5957] do_syscall_64+0x17b/0x530 [ 123.092039][ T5957] ? irqentry_exit+0x10f/0x8f0 [ 123.092056][ T5957] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.092076][ T5957] ? clear_bhb_loop+0x40/0x90 [ 123.092101][ T5957] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.092120][ T5957] RIP: 0033:0x7f769b03d1bc [ 123.092136][ T5957] Code: 4c 89 54 24 18 41 89 f2 41 83 e2 40 75 40 89 f0 f7 d0 a9 00 00 41 00 74 35 89 f2 b8 01 01 00 00 48 89 fe bf 9c ff ff ff 0f 05 <48> 3d 00 f0 ff ff 77 44 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 [ 123.092151][ T5957] RSP: 002b:00007ffc72c8cda0 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 [ 123.092169][ T5957] RAX: ffffffffffffffda RBX: 00007f769b0d330a RCX: 00007f769b03d1bc [ 123.092184][ T5957] RDX: 0000000000090800 RSI: 00007ffc72c8df50 RDI: 00000000ffffff9c [ 123.092197][ T5957] RBP: 00007ffc72c8df3c R08: 0000000000000000 R09: 0000000000000000 [ 123.092209][ T5957] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc72c8df50 [ 123.092222][ T5957] R13: 00007f769b0d330a R14: 000000000001d365 R15: 00007ffc72c8df90 [ 123.092250][ T5957] [ 123.093877][ C1] FAULT_INJECTION: forcing a failure. [ 123.093877][ C1] name failslab, interval 1, probability 100, space 0, times -1 [ 123.093907][ C1] CPU: 1 UID: 0 PID: 30 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.093917][ C0] FAULT_INJECTION: forcing a failure. [ 123.093917][ C0] name failslab, interval 1, probability 100, space 0, times -1 [ 123.093930][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.093944][ C1] Call Trace: [ 123.093952][ C1] [ 123.093961][ C1] dump_stack_lvl+0xe8/0x150 [ 123.093990][ C1] should_fail_ex+0x467/0x600 [ 123.094021][ C1] should_failslab+0xa8/0x100 [ 123.094042][ C1] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.094071][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 123.094096][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 123.094130][ C1] __alloc_skb+0x1d7/0x7a0 [ 123.094161][ C1] __netdev_alloc_skb+0xc0/0x4b0 [ 123.094194][ C1] __ieee80211_beacon_get+0xc97/0x1820 [ 123.094232][ C1] ? __lock_acquire+0x6df/0x2e40 [ 123.094252][ C1] ? __ieee80211_beacon_get+0x34/0x1820 [ 123.094286][ C1] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 123.094323][ C1] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 123.094369][ C1] mac80211_hwsim_beacon_tx+0x378/0x820 [ 123.094408][ C1] __iterate_interfaces+0x2af/0x5a0 [ 123.094439][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.094469][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 123.094501][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.094532][ C1] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 123.094566][ C1] mac80211_hwsim_beacon+0xb2/0x2b0 [ 123.094591][ C1] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 123.094618][ C1] __hrtimer_run_queues+0x3eb/0xaf0 [ 123.094666][ C1] hrtimer_run_softirq+0x18f/0x260 [ 123.094700][ C1] handle_softirqs+0x1d9/0x6c0 [ 123.094733][ C1] run_ktimerd+0x69/0x100 [ 123.094758][ C1] smpboot_thread_fn+0x57c/0xa80 [ 123.094791][ C1] ? smpboot_thread_fn+0x4e/0xa80 [ 123.094824][ C1] kthread+0x388/0x470 [ 123.094852][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 123.094875][ C1] ? __pfx_kthread+0x10/0x10 [ 123.094904][ C1] ret_from_fork+0x514/0xb70 [ 123.094935][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 123.094963][ C1] ? __switch_to+0xc89/0x1420 [ 123.094990][ C1] ? __pfx_kthread+0x10/0x10 [ 123.095019][ C1] ret_from_fork_asm+0x1a/0x30 [ 123.095064][ C1] [ 123.095077][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.095096][ C1] FAULT_INJECTION: forcing a failure. [ 123.095096][ C1] name failslab, interval 1, probability 100, space 0, times -1 [ 123.095101][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.095115][ C0] Call Trace: [ 123.095123][ C0] [ 123.095131][ C0] dump_stack_lvl+0xe8/0x150 [ 123.095159][ C0] should_fail_ex+0x467/0x600 [ 123.095189][ C0] should_failslab+0xa8/0x100 [ 123.095215][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.095244][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 123.095269][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 123.095307][ C0] __alloc_skb+0x1d7/0x7a0 [ 123.095338][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 123.095369][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 123.095406][ C0] ? __lock_acquire+0x6df/0x2e40 [ 123.095425][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 123.095460][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 123.095496][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 123.095546][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 123.095588][ C0] __iterate_interfaces+0x2af/0x5a0 [ 123.095619][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.095650][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 123.095696][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.095726][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 123.095761][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 123.095832][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 123.095872][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 123.095922][ C0] hrtimer_run_softirq+0x18f/0x260 [ 123.095958][ C0] handle_softirqs+0x1d9/0x6c0 [ 123.095991][ C0] run_ktimerd+0x69/0x100 [ 123.096015][ C0] smpboot_thread_fn+0x57c/0xa80 [ 123.096042][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 123.096075][ C0] kthread+0x388/0x470 [ 123.096103][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 123.096125][ C0] ? __pfx_kthread+0x10/0x10 [ 123.096154][ C0] ret_from_fork+0x514/0xb70 [ 123.096186][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 123.096214][ C0] ? __switch_to+0xc89/0x1420 [ 123.096240][ C0] ? __pfx_kthread+0x10/0x10 [ 123.096268][ C0] ret_from_fork_asm+0x1a/0x30 [ 123.096314][ C0] [ 123.096335][ C1] CPU: 1 UID: 0 PID: 30 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.096359][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.096371][ C1] Call Trace: [ 123.096369][ C0] FAULT_INJECTION: forcing a failure. [ 123.096369][ C0] name failslab, interval 1, probability 100, space 0, times -1 [ 123.096380][ C1] [ 123.096389][ C1] dump_stack_lvl+0xe8/0x150 [ 123.096418][ C1] should_fail_ex+0x467/0x600 [ 123.096449][ C1] should_failslab+0xa8/0x100 [ 123.096470][ C1] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.096500][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 123.096525][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 123.096559][ C1] __alloc_skb+0x1d7/0x7a0 [ 123.096591][ C1] __netdev_alloc_skb+0xc0/0x4b0 [ 123.096624][ C1] __ieee80211_beacon_get+0xc97/0x1820 [ 123.096663][ C1] ? __lock_acquire+0x6df/0x2e40 [ 123.096682][ C1] ? __ieee80211_beacon_get+0x34/0x1820 [ 123.096718][ C1] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 123.096753][ C1] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 123.096789][ C1] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.096827][ C1] mac80211_hwsim_beacon_tx+0x378/0x820 [ 123.096867][ C1] __iterate_interfaces+0x2af/0x5a0 [ 123.096899][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.096930][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 123.096962][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.096994][ C1] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 123.097029][ C1] mac80211_hwsim_beacon+0xb2/0x2b0 [ 123.097054][ C1] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 123.097081][ C1] __hrtimer_run_queues+0x3eb/0xaf0 [ 123.097130][ C1] hrtimer_run_softirq+0x18f/0x260 [ 123.097164][ C1] handle_softirqs+0x1d9/0x6c0 [ 123.097196][ C1] run_ktimerd+0x69/0x100 [ 123.097221][ C1] smpboot_thread_fn+0x57c/0xa80 [ 123.097255][ C1] ? smpboot_thread_fn+0x4e/0xa80 [ 123.097289][ C1] kthread+0x388/0x470 [ 123.097317][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 123.097341][ C1] ? __pfx_kthread+0x10/0x10 [ 123.097369][ C1] ret_from_fork+0x514/0xb70 [ 123.097400][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 123.097428][ C1] ? __switch_to+0xc89/0x1420 [ 123.097455][ C1] ? __pfx_kthread+0x10/0x10 [ 123.097498][ C1] ret_from_fork_asm+0x1a/0x30 [ 123.097544][ C1] [ 123.097556][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.097579][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.097579][ C1] FAULT_INJECTION: forcing a failure. [ 123.097579][ C1] name failslab, interval 1, probability 100, space 0, times -1 [ 123.097592][ C0] Call Trace: [ 123.097600][ C0] [ 123.097608][ C0] dump_stack_lvl+0xe8/0x150 [ 123.097635][ C0] should_fail_ex+0x467/0x600 [ 123.097666][ C0] should_failslab+0xa8/0x100 [ 123.097686][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.097715][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 123.097747][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 123.097781][ C0] __alloc_skb+0x1d7/0x7a0 [ 123.097812][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 123.097845][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 123.097882][ C0] ? __lock_acquire+0x6df/0x2e40 [ 123.097901][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 123.097936][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 123.097973][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 123.098007][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.098044][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 123.098083][ C0] __iterate_interfaces+0x2af/0x5a0 [ 123.098114][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.098144][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 123.098177][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.098207][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 123.098241][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 123.098266][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 123.098294][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 123.098342][ C0] hrtimer_run_softirq+0x18f/0x260 [ 123.098376][ C0] handle_softirqs+0x1d9/0x6c0 [ 123.098409][ C0] run_ktimerd+0x69/0x100 [ 123.098434][ C0] smpboot_thread_fn+0x57c/0xa80 [ 123.098461][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 123.098494][ C0] kthread+0x388/0x470 [ 123.098521][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 123.098545][ C0] ? __pfx_kthread+0x10/0x10 [ 123.098574][ C0] ret_from_fork+0x514/0xb70 [ 123.098605][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 123.098634][ C0] ? __switch_to+0xc89/0x1420 [ 123.098663][ C0] ? __pfx_kthread+0x10/0x10 [ 123.098692][ C0] ret_from_fork_asm+0x1a/0x30 [ 123.098745][ C0] [ 123.098757][ C1] CPU: 1 UID: 0 PID: 30 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.098781][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.098786][ C0] FAULT_INJECTION: forcing a failure. [ 123.098786][ C0] name failslab, interval 1, probability 100, space 0, times -1 [ 123.098794][ C1] Call Trace: [ 123.098802][ C1] [ 123.098813][ C1] dump_stack_lvl+0xe8/0x150 [ 123.098840][ C1] should_fail_ex+0x467/0x600 [ 123.098872][ C1] should_failslab+0xa8/0x100 [ 123.098893][ C1] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.098923][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 123.098947][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 123.098980][ C1] __alloc_skb+0x1d7/0x7a0 [ 123.099012][ C1] __netdev_alloc_skb+0xc0/0x4b0 [ 123.099046][ C1] __ieee80211_beacon_get+0xc97/0x1820 [ 123.099084][ C1] ? __lock_acquire+0x6df/0x2e40 [ 123.099103][ C1] ? __ieee80211_beacon_get+0x34/0x1820 [ 123.099158][ C1] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 123.099195][ C1] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 123.099230][ C1] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.099280][ C1] mac80211_hwsim_beacon_tx+0x378/0x820 [ 123.099320][ C1] __iterate_interfaces+0x2af/0x5a0 [ 123.099350][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.099382][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 123.099414][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.099445][ C1] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 123.099479][ C1] mac80211_hwsim_beacon+0xb2/0x2b0 [ 123.099504][ C1] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 123.099531][ C1] __hrtimer_run_queues+0x3eb/0xaf0 [ 123.099580][ C1] hrtimer_run_softirq+0x18f/0x260 [ 123.099614][ C1] handle_softirqs+0x1d9/0x6c0 [ 123.099647][ C1] run_ktimerd+0x69/0x100 [ 123.099672][ C1] smpboot_thread_fn+0x57c/0xa80 [ 123.099699][ C1] ? smpboot_thread_fn+0x4e/0xa80 [ 123.099733][ C1] kthread+0x388/0x470 [ 123.099761][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 123.099784][ C1] ? __pfx_kthread+0x10/0x10 [ 123.099813][ C1] ret_from_fork+0x514/0xb70 [ 123.099844][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 123.099872][ C1] ? __switch_to+0xc89/0x1420 [ 123.099900][ C1] ? __pfx_kthread+0x10/0x10 [ 123.099928][ C1] ret_from_fork_asm+0x1a/0x30 [ 123.099974][ C1] [ 123.099986][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.100009][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.100008][ C1] FAULT_INJECTION: forcing a failure. [ 123.100008][ C1] name failslab, interval 1, probability 100, space 0, times -1 [ 123.100022][ C0] Call Trace: [ 123.100031][ C0] [ 123.100039][ C0] dump_stack_lvl+0xe8/0x150 [ 123.100066][ C0] should_fail_ex+0x467/0x600 [ 123.100098][ C0] should_failslab+0xa8/0x100 [ 123.100120][ C0] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.100150][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 123.100175][ C0] ? __alloc_skb+0x1d7/0x7a0 [ 123.100208][ C0] __alloc_skb+0x1d7/0x7a0 [ 123.100238][ C0] __netdev_alloc_skb+0xc0/0x4b0 [ 123.100271][ C0] __ieee80211_beacon_get+0xc97/0x1820 [ 123.100309][ C0] ? __lock_acquire+0x6df/0x2e40 [ 123.100328][ C0] ? __ieee80211_beacon_get+0x34/0x1820 [ 123.100362][ C0] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 123.100398][ C0] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 123.100432][ C0] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.100468][ C0] mac80211_hwsim_beacon_tx+0x378/0x820 [ 123.100507][ C0] __iterate_interfaces+0x2af/0x5a0 [ 123.100537][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.100567][ C0] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 123.100600][ C0] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.100629][ C0] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 123.100672][ C0] mac80211_hwsim_beacon+0xb2/0x2b0 [ 123.100697][ C0] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 123.100725][ C0] __hrtimer_run_queues+0x3eb/0xaf0 [ 123.100782][ C0] hrtimer_run_softirq+0x18f/0x260 [ 123.100817][ C0] handle_softirqs+0x1d9/0x6c0 [ 123.100850][ C0] run_ktimerd+0x69/0x100 [ 123.100875][ C0] smpboot_thread_fn+0x57c/0xa80 [ 123.100901][ C0] ? smpboot_thread_fn+0x4e/0xa80 [ 123.100934][ C0] kthread+0x388/0x470 [ 123.100962][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 123.100985][ C0] ? __pfx_kthread+0x10/0x10 [ 123.101014][ C0] ret_from_fork+0x514/0xb70 [ 123.101044][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 123.101073][ C0] ? __switch_to+0xc89/0x1420 [ 123.101100][ C0] ? __pfx_kthread+0x10/0x10 [ 123.101128][ C0] ret_from_fork_asm+0x1a/0x30 [ 123.101174][ C0] [ 123.101186][ C1] CPU: 1 UID: 0 PID: 30 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.101208][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.101218][ C1] Call Trace: [ 123.101225][ C1] [ 123.101232][ C1] dump_stack_lvl+0xe8/0x150 [ 123.101265][ C1] should_fail_ex+0x467/0x600 [ 123.101297][ C1] should_failslab+0xa8/0x100 [ 123.101319][ C1] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.101350][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 123.101376][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 123.101412][ C1] __alloc_skb+0x1d7/0x7a0 [ 123.101446][ C1] __netdev_alloc_skb+0xc0/0x4b0 [ 123.101480][ C1] __ieee80211_beacon_get+0xc97/0x1820 [ 123.101520][ C1] ? __lock_acquire+0x6df/0x2e40 [ 123.101541][ C1] ? __ieee80211_beacon_get+0x34/0x1820 [ 123.101577][ C1] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 123.101616][ C1] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 123.101652][ C1] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.101691][ C1] mac80211_hwsim_beacon_tx+0x378/0x820 [ 123.101730][ C1] __iterate_interfaces+0x2af/0x5a0 [ 123.101762][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.101793][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 123.101827][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.101859][ C1] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 123.101895][ C1] mac80211_hwsim_beacon+0xb2/0x2b0 [ 123.101922][ C1] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 123.101951][ C1] __hrtimer_run_queues+0x3eb/0xaf0 [ 123.102007][ C1] hrtimer_run_softirq+0x18f/0x260 [ 123.102043][ C1] handle_softirqs+0x1d9/0x6c0 [ 123.102077][ C1] run_ktimerd+0x69/0x100 [ 123.102102][ C1] smpboot_thread_fn+0x57c/0xa80 [ 123.102131][ C1] ? smpboot_thread_fn+0x4e/0xa80 [ 123.102166][ C1] kthread+0x388/0x470 [ 123.102195][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 123.102219][ C1] ? __pfx_kthread+0x10/0x10 [ 123.102255][ C1] ret_from_fork+0x514/0xb70 [ 123.102287][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 123.102316][ C1] ? __switch_to+0xc89/0x1420 [ 123.102346][ C1] ? __pfx_kthread+0x10/0x10 [ 123.102377][ C1] ret_from_fork_asm+0x1a/0x30 [ 123.102425][ C1] [ 123.102458][ C1] FAULT_INJECTION: forcing a failure. [ 123.102458][ C1] name failslab, interval 1, probability 100, space 0, times -1 [ 123.102484][ C1] CPU: 1 UID: 0 PID: 30 Comm: ktimers/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.102508][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.102520][ C1] Call Trace: [ 123.102528][ C1] [ 123.102536][ C1] dump_stack_lvl+0xe8/0x150 [ 123.102565][ C1] should_fail_ex+0x467/0x600 [ 123.102597][ C1] should_failslab+0xa8/0x100 [ 123.102619][ C1] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.102649][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 123.102675][ C1] ? __alloc_skb+0x1d7/0x7a0 [ 123.102710][ C1] __alloc_skb+0x1d7/0x7a0 [ 123.102743][ C1] __netdev_alloc_skb+0xc0/0x4b0 [ 123.102777][ C1] __ieee80211_beacon_get+0xc97/0x1820 [ 123.102817][ C1] ? __lock_acquire+0x6df/0x2e40 [ 123.102837][ C1] ? __ieee80211_beacon_get+0x34/0x1820 [ 123.102874][ C1] ieee80211_beacon_get_tim+0xbd/0x2c0 [ 123.102913][ C1] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 123.102949][ C1] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.102988][ C1] mac80211_hwsim_beacon_tx+0x378/0x820 [ 123.103027][ C1] __iterate_interfaces+0x2af/0x5a0 [ 123.103059][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.103091][ C1] ? ieee80211_iterate_active_interfaces_atomic+0x2a/0x180 [ 123.103125][ C1] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 123.103157][ C1] ieee80211_iterate_active_interfaces_atomic+0xdb/0x180 [ 123.103194][ C1] mac80211_hwsim_beacon+0xb2/0x2b0 [ 123.103220][ C1] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 123.103254][ C1] __hrtimer_run_queues+0x3eb/0xaf0 [ 123.103299][ C1] hrtimer_run_softirq+0x18f/0x260 [ 123.103336][ C1] handle_softirqs+0x1d9/0x6c0 [ 123.103373][ C1] run_ktimerd+0x69/0x100 [ 123.103401][ C1] smpboot_thread_fn+0x57c/0xa80 [ 123.103431][ C1] ? smpboot_thread_fn+0x4e/0xa80 [ 123.103468][ C1] kthread+0x388/0x470 [ 123.103500][ C1] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 123.103525][ C1] ? __pfx_kthread+0x10/0x10 [ 123.103557][ C1] ret_from_fork+0x514/0xb70 [ 123.103589][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 123.103618][ C1] ? __switch_to+0xc89/0x1420 [ 123.103646][ C1] ? __pfx_kthread+0x10/0x10 [ 123.103676][ C1] ret_from_fork_asm+0x1a/0x30 [ 123.103722][ C1] [ 123.103904][ C0] tipc: TX: skb_cow_data() returned -12 [ 123.104044][ T5586] FAULT_INJECTION: forcing a failure. [ 123.104044][ T5586] name failslab, interval 1, probability 100, space 0, times -1 [ 123.104072][ T5586] CPU: 1 UID: 0 PID: 5586 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.104095][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.104107][ T5586] Call Trace: [ 123.104114][ T5586] [ 123.104122][ T5586] dump_stack_lvl+0xe8/0x150 [ 123.104149][ T5586] should_fail_ex+0x467/0x600 [ 123.104179][ T5586] should_failslab+0xa8/0x100 [ 123.104199][ T5586] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.104226][ T5586] ? __alloc_skb+0x1d7/0x7a0 [ 123.104259][ T5586] ? __alloc_skb+0x1d7/0x7a0 [ 123.104290][ T5586] __alloc_skb+0x1d7/0x7a0 [ 123.104319][ T5586] tcp_stream_alloc_skb+0x3f/0x5c0 [ 123.104362][ T5586] tcp_sendmsg_locked+0x143d/0x55c0 [ 123.104439][ T5586] ? __pfx_tcp_sendmsg_locked+0x10/0x10 [ 123.104478][ T5586] ? __local_bh_enable_ip+0x1ae/0x2b0 [ 123.104499][ T5586] ? lockdep_hardirqs_on+0x7a/0x110 [ 123.104523][ T5586] tcp_sendmsg+0x2f/0x50 [ 123.104550][ T5586] ? __pfx_inet_sendmsg+0x10/0x10 [ 123.104573][ T5586] sock_sendmsg_nosec+0x10e/0x180 [ 123.104599][ T5586] sock_write_iter+0x2e4/0x3f0 [ 123.104622][ T5586] ? __pfx_sock_write_iter+0x10/0x10 [ 123.104660][ T5586] vfs_write+0x61e/0xbb0 [ 123.104691][ T5586] ? __pfx_vfs_write+0x10/0x10 [ 123.104734][ T5586] ksys_write+0x156/0x270 [ 123.104758][ T5586] ? __pfx_ksys_write+0x10/0x10 [ 123.104790][ T5586] do_syscall_64+0x17b/0x530 [ 123.104809][ T5586] ? irqentry_exit+0x10f/0x8f0 [ 123.104828][ T5586] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.104847][ T5586] ? clear_bhb_loop+0x40/0x90 [ 123.104871][ T5586] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.104891][ T5586] RIP: 0033:0x7f91c5bb9017 [ 123.104909][ T5586] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 123.104926][ T5586] RSP: 002b:00007fff3b984360 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 123.104947][ T5586] RAX: ffffffffffffffda RBX: 0000555558c3b540 RCX: 00007f91c5bb9017 [ 123.104962][ T5586] RDX: 0000000000000200 RSI: 00007f91c2c5fe00 RDI: 0000000000000003 [ 123.104975][ T5586] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 123.104987][ T5586] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000200 [ 123.104999][ T5586] R13: 0000555558c53370 R14: 00007fff3b984900 R15: 00007f91c2c5fe00 [ 123.105030][ T5586] [ 123.105100][ T1299] CPU: 1 UID: 0 PID: 1299 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.105123][ T1299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.105137][ T1299] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.105169][ T1299] Call Trace: [ 123.105176][ T1299] [ 123.105185][ T1299] dump_stack_lvl+0xe8/0x150 [ 123.105212][ T1299] should_fail_ex+0x467/0x600 [ 123.105250][ T1299] should_failslab+0xa8/0x100 [ 123.105271][ T1299] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.105300][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.105324][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.105357][ T1299] __alloc_skb+0x1d7/0x7a0 [ 123.105389][ T1299] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.105434][ T1299] ? process_one_work+0x7fd/0x1480 [ 123.105456][ T1299] process_one_work+0xaaf/0x1480 [ 123.105502][ T1299] ? __pfx_process_one_work+0x10/0x10 [ 123.105520][ T1299] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.105556][ T1299] ? assign_work+0x3cf/0x5d0 [ 123.105583][ T1299] worker_thread+0xb05/0x10d0 [ 123.105634][ T1299] kthread+0x388/0x470 [ 123.105661][ T1299] ? __pfx_worker_thread+0x10/0x10 [ 123.105682][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.105710][ T1299] ret_from_fork+0x514/0xb70 [ 123.105741][ T1299] ? __pfx_ret_from_fork+0x10/0x10 [ 123.105769][ T1299] ? __switch_to+0xc89/0x1420 [ 123.105796][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.105824][ T1299] ret_from_fork_asm+0x1a/0x30 [ 123.105870][ T1299] [ 123.105915][ T1299] FAULT_INJECTION: forcing a failure. [ 123.105915][ T1299] name failslab, interval 1, probability 100, space 0, times -1 [ 123.105940][ T1299] CPU: 1 UID: 0 PID: 1299 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.105960][ T1299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.105969][ T1299] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.105994][ T1299] Call Trace: [ 123.106002][ T1299] [ 123.106010][ T1299] dump_stack_lvl+0xe8/0x150 [ 123.106037][ T1299] should_fail_ex+0x467/0x600 [ 123.106067][ T1299] should_failslab+0xa8/0x100 [ 123.106091][ T1299] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.106120][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.106149][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.106183][ T1299] __alloc_skb+0x1d7/0x7a0 [ 123.106214][ T1299] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.106264][ T1299] ? process_one_work+0x7fd/0x1480 [ 123.106285][ T1299] process_one_work+0xaaf/0x1480 [ 123.106330][ T1299] ? __pfx_process_one_work+0x10/0x10 [ 123.106348][ T1299] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.106383][ T1299] ? assign_work+0x3cf/0x5d0 [ 123.106411][ T1299] worker_thread+0xb05/0x10d0 [ 123.106458][ T1299] kthread+0x388/0x470 [ 123.106486][ T1299] ? __pfx_worker_thread+0x10/0x10 [ 123.106506][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.106535][ T1299] ret_from_fork+0x514/0xb70 [ 123.106565][ T1299] ? __pfx_ret_from_fork+0x10/0x10 [ 123.106593][ T1299] ? __switch_to+0xc89/0x1420 [ 123.106620][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.106649][ T1299] ret_from_fork_asm+0x1a/0x30 [ 123.106695][ T1299] [ 123.106779][ T3829] FAULT_INJECTION: forcing a failure. [ 123.106779][ T3829] name failslab, interval 1, probability 100, space 0, times -1 [ 123.106801][ T3829] CPU: 1 UID: 0 PID: 3829 Comm: kworker/u8:18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.106823][ T3829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.106835][ T3829] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.106864][ T3829] Call Trace: [ 123.106871][ T3829] [ 123.106879][ T3829] dump_stack_lvl+0xe8/0x150 [ 123.106907][ T3829] should_fail_ex+0x467/0x600 [ 123.106937][ T3829] should_failslab+0xa8/0x100 [ 123.106957][ T3829] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.106985][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.107008][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.107040][ T3829] __alloc_skb+0x1d7/0x7a0 [ 123.107068][ T3829] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.107111][ T3829] ? process_one_work+0x7fd/0x1480 [ 123.107132][ T3829] process_one_work+0xaaf/0x1480 [ 123.107174][ T3829] ? __pfx_process_one_work+0x10/0x10 [ 123.107192][ T3829] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.107225][ T3829] ? assign_work+0x3cf/0x5d0 [ 123.107257][ T3829] worker_thread+0xb05/0x10d0 [ 123.107289][ T3829] ? __kthread_parkme+0x71/0x1f0 [ 123.107323][ T3829] kthread+0x388/0x470 [ 123.107349][ T3829] ? __pfx_worker_thread+0x10/0x10 [ 123.107367][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.107394][ T3829] ret_from_fork+0x514/0xb70 [ 123.107423][ T3829] ? __pfx_ret_from_fork+0x10/0x10 [ 123.107449][ T3829] ? __switch_to+0xc89/0x1420 [ 123.107475][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.107501][ T3829] ret_from_fork_asm+0x1a/0x30 [ 123.107545][ T3829] [ 123.107568][ T3829] FAULT_INJECTION: forcing a failure. [ 123.107568][ T3829] name failslab, interval 1, probability 100, space 0, times -1 [ 123.107590][ T3829] CPU: 1 UID: 0 PID: 3829 Comm: kworker/u8:18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.107612][ T3829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.107623][ T3829] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.107650][ T3829] Call Trace: [ 123.107657][ T3829] [ 123.107665][ T3829] dump_stack_lvl+0xe8/0x150 [ 123.107689][ T3829] should_fail_ex+0x467/0x600 [ 123.107718][ T3829] should_failslab+0xa8/0x100 [ 123.107738][ T3829] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.107764][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.107787][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.107819][ T3829] __alloc_skb+0x1d7/0x7a0 [ 123.107849][ T3829] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.107891][ T3829] ? process_one_work+0x7fd/0x1480 [ 123.107912][ T3829] process_one_work+0xaaf/0x1480 [ 123.107954][ T3829] ? __pfx_process_one_work+0x10/0x10 [ 123.107971][ T3829] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.108005][ T3829] ? assign_work+0x3cf/0x5d0 [ 123.108031][ T3829] worker_thread+0xb05/0x10d0 [ 123.108063][ T3829] ? __kthread_parkme+0x71/0x1f0 [ 123.108096][ T3829] kthread+0x388/0x470 [ 123.108121][ T3829] ? __pfx_worker_thread+0x10/0x10 [ 123.108141][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.108167][ T3829] ret_from_fork+0x514/0xb70 [ 123.108196][ T3829] ? __pfx_ret_from_fork+0x10/0x10 [ 123.108222][ T3829] ? __switch_to+0xc89/0x1420 [ 123.108255][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.108281][ T3829] ret_from_fork_asm+0x1a/0x30 [ 123.108325][ T3829] [ 123.108392][ T12] FAULT_INJECTION: forcing a failure. [ 123.108392][ T12] name failslab, interval 1, probability 100, space 0, times -1 [ 123.108417][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.108438][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.108450][ T12] Workqueue: bat_events batadv_iv_ogm_reschedule [ 123.108481][ T12] Call Trace: [ 123.108488][ T12] [ 123.108495][ T12] dump_stack_lvl+0xe8/0x150 [ 123.108521][ T12] should_fail_ex+0x467/0x600 [ 123.108552][ T12] should_failslab+0xa8/0x100 [ 123.108576][ T12] __kmalloc_noprof+0xfb/0x790 [ 123.108602][ T12] ? batadv_tt_prepare_tvlv_local_data+0x244/0x7c0 [ 123.108626][ T12] ? batadv_tt_prepare_tvlv_local_data+0x244/0x7c0 [ 123.108663][ T12] batadv_tt_prepare_tvlv_local_data+0x244/0x7c0 [ 123.108695][ T12] ? batadv_tt_prepare_tvlv_local_data+0x39/0x7c0 [ 123.108732][ T12] batadv_tt_tvlv_container_update+0x106/0x660 [ 123.108763][ T12] ? lock_acquire+0x115/0x350 [ 123.108803][ T12] batadv_tt_local_commit_changes_nolock+0xca3/0xdb0 [ 123.108832][ T12] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 123.108854][ T12] ? rcu_is_watching+0x15/0xb0 [ 123.108877][ T12] ? rt_spin_lock+0x20e/0x400 [ 123.108906][ T12] ? __pfx_batadv_tt_local_commit_changes_nolock+0x10/0x10 [ 123.108936][ T12] ? __local_bh_disable_ip+0x3c/0x420 [ 123.108959][ T12] ? batadv_tt_local_commit_changes+0x1f/0x60 [ 123.108987][ T12] ? batadv_tt_local_commit_changes+0x1f/0x60 [ 123.109012][ T12] batadv_tt_local_commit_changes+0x3c/0x60 [ 123.109041][ T12] batadv_iv_ogm_schedule+0x246/0xf90 [ 123.109085][ T12] ? lock_acquire+0x115/0x350 [ 123.109115][ T12] ? __pfx_batadv_iv_ogm_schedule+0x10/0x10 [ 123.109151][ T12] ? rcu_is_watching+0x15/0xb0 [ 123.109175][ T12] ? process_one_work+0x7fd/0x1480 [ 123.109197][ T12] process_one_work+0xaaf/0x1480 [ 123.109250][ T12] ? __pfx_process_one_work+0x10/0x10 [ 123.109269][ T12] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.109303][ T12] ? assign_work+0x3cf/0x5d0 [ 123.109331][ T12] worker_thread+0xb05/0x10d0 [ 123.109381][ T12] kthread+0x388/0x470 [ 123.109407][ T12] ? __pfx_worker_thread+0x10/0x10 [ 123.109427][ T12] ? __pfx_kthread+0x10/0x10 [ 123.109454][ T12] ret_from_fork+0x514/0xb70 [ 123.109484][ T12] ? __pfx_ret_from_fork+0x10/0x10 [ 123.109510][ T12] ? __switch_to+0xc89/0x1420 [ 123.109537][ T12] ? __pfx_kthread+0x10/0x10 [ 123.109564][ T12] ret_from_fork_asm+0x1a/0x30 [ 123.109610][ T12] [ 123.113910][ T5586] FAULT_INJECTION: forcing a failure. [ 123.113910][ T5586] name failslab, interval 1, probability 100, space 0, times -1 [ 123.113941][ T5586] CPU: 1 UID: 0 PID: 5586 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.113964][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.113975][ T5586] Call Trace: [ 123.113983][ T5586] [ 123.113991][ T5586] dump_stack_lvl+0xe8/0x150 [ 123.114018][ T5586] should_fail_ex+0x467/0x600 [ 123.114049][ T5586] should_failslab+0xa8/0x100 [ 123.114069][ T5586] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.114098][ T5586] ? __alloc_skb+0x1d7/0x7a0 [ 123.114120][ T5586] ? __alloc_skb+0x1d7/0x7a0 [ 123.114151][ T5586] __alloc_skb+0x1d7/0x7a0 [ 123.114180][ T5586] tcp_stream_alloc_skb+0x3f/0x5c0 [ 123.114212][ T5586] tcp_sendmsg_locked+0x143d/0x55c0 [ 123.114268][ T5586] ? preempt_schedule_thunk+0x16/0x40 [ 123.114289][ T5586] ? __pfx___schedule+0x10/0x10 [ 123.114334][ T5586] ? trace_irq_disable+0x3b/0x140 [ 123.114358][ T5586] ? __pfx_tcp_sendmsg_locked+0x10/0x10 [ 123.114397][ T5586] ? __local_bh_enable_ip+0x1c2/0x2b0 [ 123.114423][ T5586] tcp_sendmsg+0x2f/0x50 [ 123.114451][ T5586] ? __pfx_inet_sendmsg+0x10/0x10 [ 123.114475][ T5586] sock_sendmsg_nosec+0x10e/0x180 [ 123.114499][ T5586] sock_write_iter+0x2e4/0x3f0 [ 123.114523][ T5586] ? __pfx_sock_write_iter+0x10/0x10 [ 123.114550][ T5586] ? bpf_lsm_file_permission+0x9/0x20 [ 123.114579][ T5586] ? security_file_permission+0x68/0x220 [ 123.114610][ T5586] vfs_write+0x61e/0xbb0 [ 123.114640][ T5586] ? __pfx_vfs_write+0x10/0x10 [ 123.114683][ T5586] ksys_write+0x156/0x270 [ 123.114707][ T5586] ? __pfx_ksys_write+0x10/0x10 [ 123.114738][ T5586] do_syscall_64+0x17b/0x530 [ 123.114759][ T5586] ? irqentry_exit+0x10f/0x8f0 [ 123.114777][ T5586] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.114797][ T5586] ? clear_bhb_loop+0x40/0x90 [ 123.114820][ T5586] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.114840][ T5586] RIP: 0033:0x7f91c5bb9017 [ 123.114857][ T5586] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 123.114874][ T5586] RSP: 002b:00007fff3b984360 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 123.114894][ T5586] RAX: ffffffffffffffda RBX: 0000555558c3b540 RCX: 00007f91c5bb9017 [ 123.114908][ T5586] RDX: 0000000000000200 RSI: 00007f91c2c5fe00 RDI: 0000000000000003 [ 123.114921][ T5586] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 123.114933][ T5586] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000200 [ 123.114946][ T5586] R13: 0000555558c53370 R14: 00007fff3b984900 R15: 00007f91c2c5fe00 [ 123.114977][ T5586] [ 123.115044][ T1310] FAULT_INJECTION: forcing a failure. [ 123.115044][ T1310] name failslab, interval 1, probability 100, space 0, times -1 [ 123.115069][ T1310] CPU: 1 UID: 0 PID: 1310 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.115090][ T1310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.115102][ T1310] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.115131][ T1310] Call Trace: [ 123.115139][ T1310] [ 123.115146][ T1310] dump_stack_lvl+0xe8/0x150 [ 123.115173][ T1310] should_fail_ex+0x467/0x600 [ 123.115202][ T1310] should_failslab+0xa8/0x100 [ 123.115221][ T1310] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.115256][ T1310] ? __alloc_skb+0x1d7/0x7a0 [ 123.115279][ T1310] ? __alloc_skb+0x1d7/0x7a0 [ 123.115310][ T1310] __alloc_skb+0x1d7/0x7a0 [ 123.115345][ T1310] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.115388][ T1310] ? process_one_work+0x7fd/0x1480 [ 123.115410][ T1310] process_one_work+0xaaf/0x1480 [ 123.115451][ T1310] ? __pfx_process_one_work+0x10/0x10 [ 123.115469][ T1310] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.115505][ T1310] ? assign_work+0x3cf/0x5d0 [ 123.115530][ T1310] worker_thread+0xb05/0x10d0 [ 123.115576][ T1310] kthread+0x388/0x470 [ 123.115602][ T1310] ? __pfx_worker_thread+0x10/0x10 [ 123.115622][ T1310] ? __pfx_kthread+0x10/0x10 [ 123.115648][ T1310] ret_from_fork+0x514/0xb70 [ 123.115677][ T1310] ? __pfx_ret_from_fork+0x10/0x10 [ 123.115703][ T1310] ? __switch_to+0xc89/0x1420 [ 123.115730][ T1310] ? __pfx_kthread+0x10/0x10 [ 123.115756][ T1310] ret_from_fork_asm+0x1a/0x30 [ 123.115799][ T1310] [ 123.115822][ T1310] FAULT_INJECTION: forcing a failure. [ 123.115822][ T1310] name failslab, interval 1, probability 100, space 0, times -1 [ 123.115845][ T1310] CPU: 1 UID: 0 PID: 1310 Comm: kworker/u8:10 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.115866][ T1310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.115878][ T1310] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.115907][ T1310] Call Trace: [ 123.115914][ T1310] [ 123.115921][ T1310] dump_stack_lvl+0xe8/0x150 [ 123.115947][ T1310] should_fail_ex+0x467/0x600 [ 123.115976][ T1310] should_failslab+0xa8/0x100 [ 123.115996][ T1310] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.116026][ T1310] ? __alloc_skb+0x1d7/0x7a0 [ 123.116048][ T1310] ? __alloc_skb+0x1d7/0x7a0 [ 123.116080][ T1310] __alloc_skb+0x1d7/0x7a0 [ 123.116114][ T1310] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.116156][ T1310] ? process_one_work+0x7fd/0x1480 [ 123.116176][ T1310] process_one_work+0xaaf/0x1480 [ 123.116219][ T1310] ? __pfx_process_one_work+0x10/0x10 [ 123.116242][ T1310] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.116275][ T1310] ? assign_work+0x3cf/0x5d0 [ 123.116301][ T1310] worker_thread+0xb05/0x10d0 [ 123.116347][ T1310] kthread+0x388/0x470 [ 123.116372][ T1310] ? __pfx_worker_thread+0x10/0x10 [ 123.116392][ T1310] ? __pfx_kthread+0x10/0x10 [ 123.116419][ T1310] ret_from_fork+0x514/0xb70 [ 123.116447][ T1310] ? __pfx_ret_from_fork+0x10/0x10 [ 123.116473][ T1310] ? __switch_to+0xc89/0x1420 [ 123.116499][ T1310] ? __pfx_kthread+0x10/0x10 [ 123.116526][ T1310] ret_from_fork_asm+0x1a/0x30 [ 123.116569][ T1310] [ 123.116685][ T5602] FAULT_INJECTION: forcing a failure. [ 123.116685][ T5602] name failslab, interval 1, probability 100, space 0, times -1 [ 123.116709][ T5602] CPU: 1 UID: 0 PID: 5602 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.116730][ T5602] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.116741][ T5602] Call Trace: [ 123.116748][ T5602] [ 123.116758][ T5602] dump_stack_lvl+0xe8/0x150 [ 123.116784][ T5602] should_fail_ex+0x467/0x600 [ 123.116814][ T5602] should_failslab+0xa8/0x100 [ 123.116834][ T5602] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.116861][ T5602] ? __alloc_skb+0x1d7/0x7a0 [ 123.116884][ T5602] ? __alloc_skb+0x1d7/0x7a0 [ 123.116916][ T5602] __alloc_skb+0x1d7/0x7a0 [ 123.116946][ T5602] ? inet6_rt_notify+0xb4/0x470 [ 123.116963][ T5602] inet6_rt_notify+0x170/0x470 [ 123.116992][ T5602] fib6_del+0x113c/0x15f0 [ 123.117023][ T5602] ? fib6_del+0x5f1/0x15f0 [ 123.117069][ T5602] ? __pfx_fib6_del+0x10/0x10 [ 123.117111][ T5602] ? fib6_ifdown+0x2c2/0x4c0 [ 123.117134][ T5602] fib6_clean_node+0x295/0x580 [ 123.117164][ T5602] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 123.117188][ T5602] ? __pfx_fib6_clean_node+0x10/0x10 [ 123.117216][ T5602] ? rt_mutex_slowunlock+0x4ee/0xa20 [ 123.117249][ T5602] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.117274][ T5602] ? lock_acquire+0x115/0x350 [ 123.117305][ T5602] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 123.117337][ T5602] fib6_walk_continue+0x688/0x8e0 [ 123.117376][ T5602] ? __fib6_clean_all+0xb8/0x620 [ 123.117406][ T5602] __fib6_clean_all+0x3a7/0x620 [ 123.117435][ T5602] ? __fib6_clean_all+0xb8/0x620 [ 123.117487][ T5602] ? __pfx_fib6_ifdown+0x10/0x10 [ 123.117507][ T5602] ? __pfx___fib6_clean_all+0x10/0x10 [ 123.117540][ T5602] ? __pfx_fib6_clean_node+0x10/0x10 [ 123.117569][ T5602] ? __pfx_fib6_ifdown+0x10/0x10 [ 123.117589][ T5602] ? lockdep_hardirqs_on+0x7a/0x110 [ 123.117607][ T5602] ? irqentry_exit+0x218/0x8f0 [ 123.117634][ T5602] rt6_disable_ip+0x129/0x820 [ 123.117664][ T5602] ? __pfx_rt6_disable_ip+0x10/0x10 [ 123.117681][ T5602] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.117718][ T5602] addrconf_ifdown+0x157/0x1a00 [ 123.117743][ T5602] ? _raw_spin_unlock_irqrestore+0x30/0x80 [ 123.117763][ T5602] ? lockdep_hardirqs_on+0x7a/0x110 [ 123.117782][ T5602] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 123.117802][ T5602] ? rt_mutex_slowunlock+0x219/0x460 [ 123.117827][ T5602] ? tls_dev_event+0x6c1/0xf50 [ 123.117852][ T5602] ? __pfx_addrconf_ifdown+0x10/0x10 [ 123.117893][ T5602] addrconf_notify+0x1bc/0x1050 [ 123.117918][ T5602] notifier_call_chain+0x1a5/0x3d0 [ 123.117954][ T5602] netif_close_many+0x463/0x660 [ 123.117986][ T5602] ? __pfx_netif_close_many+0x10/0x10 [ 123.118011][ T5602] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 123.118047][ T5602] unregister_netdevice_many_notify+0xb76/0x2120 [ 123.118084][ T5602] ? do_raw_spin_unlock+0xf5/0x210 [ 123.118110][ T5602] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 123.118140][ T5602] ? do_raw_spin_unlock+0xf5/0x210 [ 123.118169][ T5602] ? _raw_spin_unlock_irqrestore+0x4c/0x80 [ 123.118193][ T5602] unregister_netdevice_queue+0x2f5/0x340 [ 123.118229][ T5602] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 123.118264][ T5602] ? queue_delayed_work_on+0x12f/0x1e0 [ 123.118287][ T5602] ? lockdep_hardirqs_on+0x7a/0x110 [ 123.118306][ T5602] ? queue_delayed_work_on+0x171/0x1e0 [ 123.118336][ T5602] __tun_detach+0xff8/0x1830 [ 123.118372][ T5602] ? __tun_detach+0xade/0x1830 [ 123.118397][ T5602] tun_chr_close+0x10d/0x1c0 [ 123.118417][ T5602] ? __pfx_tun_chr_close+0x10/0x10 [ 123.118438][ T5602] __fput+0x42a/0xa80 [ 123.118466][ T5602] task_work_run+0x1d9/0x270 [ 123.118496][ T5602] ? __pfx_task_work_run+0x10/0x10 [ 123.118524][ T5602] ? do_exit+0x735/0x2360 [ 123.118547][ T5602] ? kmem_cache_free+0x187/0x6c0 [ 123.118575][ T5602] ? put_net+0x191/0x260 [ 123.118592][ T5602] ? do_exit+0x735/0x2360 [ 123.118622][ T5602] do_exit+0x73a/0x2360 [ 123.118655][ T5602] ? __pfx_rt_mutex_slowunlock+0x10/0x10 [ 123.118682][ T5602] ? __pfx_do_exit+0x10/0x10 [ 123.118711][ T5602] ? rt_spin_unlock+0x157/0x200 [ 123.118741][ T5602] ? rt_spin_unlock+0x163/0x200 [ 123.118769][ T5602] do_group_exit+0x22d/0x2f0 [ 123.118800][ T5602] __x64_sys_exit_group+0x3f/0x40 [ 123.118827][ T5602] x64_sys_call+0x18bf/0x18c0 [ 123.118852][ T5602] do_syscall_64+0x17b/0x530 [ 123.118872][ T5602] ? irqentry_exit+0x10f/0x8f0 [ 123.118889][ T5602] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.118910][ T5602] ? clear_bhb_loop+0x40/0x90 [ 123.118934][ T5602] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.118953][ T5602] RIP: 0033:0x7f47730fde99 [ 123.118971][ T5602] Code: Unable to access opcode bytes at 0x7f47730fde6f. [ 123.118981][ T5602] RSP: 002b:00007ffc78f87938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 123.119000][ T5602] RAX: ffffffffffffffda RBX: 00007f4773193316 RCX: 00007f47730fde99 [ 123.119014][ T5602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 123.119026][ T5602] RBP: 000000000000000c R08: 0000000000000000 R09: 00007f477319330a [ 123.119039][ T5602] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc78f88b90 [ 123.119051][ T5602] R13: 00007f477319330a R14: 000000000001d5b9 R15: 00007ffc78f88bd0 [ 123.119085][ T5602] [ 123.119153][ T5586] FAULT_INJECTION: forcing a failure. [ 123.119153][ T5586] name failslab, interval 1, probability 100, space 0, times -1 [ 123.119178][ T5586] CPU: 1 UID: 0 PID: 5586 Comm: syz-executor Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.119199][ T5586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.119210][ T5586] Call Trace: [ 123.119217][ T5586] [ 123.119225][ T5586] dump_stack_lvl+0xe8/0x150 [ 123.119257][ T5586] should_fail_ex+0x467/0x600 [ 123.119286][ T5586] should_failslab+0xa8/0x100 [ 123.119305][ T5586] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.119332][ T5586] ? __alloc_skb+0x1d7/0x7a0 [ 123.119358][ T5586] ? __alloc_skb+0x1d7/0x7a0 [ 123.119389][ T5586] __alloc_skb+0x1d7/0x7a0 [ 123.119417][ T5586] tcp_stream_alloc_skb+0x3f/0x5c0 [ 123.119450][ T5586] tcp_sendmsg_locked+0x143d/0x55c0 [ 123.119525][ T5586] ? __pfx_tcp_sendmsg_locked+0x10/0x10 [ 123.119563][ T5586] ? __local_bh_enable_ip+0x1ae/0x2b0 [ 123.119583][ T5586] ? lockdep_hardirqs_on+0x7a/0x110 [ 123.119608][ T5586] tcp_sendmsg+0x2f/0x50 [ 123.119635][ T5586] ? __pfx_inet_sendmsg+0x10/0x10 [ 123.119657][ T5586] sock_sendmsg_nosec+0x10e/0x180 [ 123.119682][ T5586] sock_write_iter+0x2e4/0x3f0 [ 123.119705][ T5586] ? __pfx_sock_write_iter+0x10/0x10 [ 123.119731][ T5586] ? bpf_lsm_file_permission+0x9/0x20 [ 123.119759][ T5586] ? security_file_permission+0x68/0x220 [ 123.119790][ T5586] vfs_write+0x61e/0xbb0 [ 123.119819][ T5586] ? __pfx_vfs_write+0x10/0x10 [ 123.119862][ T5586] ksys_write+0x156/0x270 [ 123.119888][ T5586] ? __pfx_ksys_write+0x10/0x10 [ 123.119919][ T5586] do_syscall_64+0x17b/0x530 [ 123.119938][ T5586] ? irqentry_exit+0x10f/0x8f0 [ 123.119957][ T5586] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.119976][ T5586] ? clear_bhb_loop+0x40/0x90 [ 123.120000][ T5586] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.120019][ T5586] RIP: 0033:0x7f91c5bb9017 [ 123.120035][ T5586] Code: 48 89 fa 4c 89 df e8 a8 56 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff [ 123.120051][ T5586] RSP: 002b:00007fff3b984360 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 [ 123.120070][ T5586] RAX: ffffffffffffffda RBX: 0000555558c3b540 RCX: 00007f91c5bb9017 [ 123.120085][ T5586] RDX: 0000000000000200 RSI: 00007f91c2c5fe00 RDI: 0000000000000003 [ 123.120097][ T5586] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 123.120109][ T5586] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000200 [ 123.120121][ T5586] R13: 0000555558c53370 R14: 00007fff3b984900 R15: 00007f91c2c5fe00 [ 123.120152][ T5586] [ 123.120219][ T4965] FAULT_INJECTION: forcing a failure. [ 123.120219][ T4965] name failslab, interval 1, probability 100, space 0, times -1 [ 123.120250][ T4965] CPU: 1 UID: 0 PID: 4965 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.120271][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.120282][ T4965] Call Trace: [ 123.120290][ T4965] [ 123.120297][ T4965] dump_stack_lvl+0xe8/0x150 [ 123.120323][ T4965] should_fail_ex+0x467/0x600 [ 123.120352][ T4965] should_failslab+0xa8/0x100 [ 123.120370][ T4965] ? __send_signal_locked+0x22c/0xeb0 [ 123.120398][ T4965] kmem_cache_alloc_noprof+0x9e/0x680 [ 123.120425][ T4965] ? __send_signal_locked+0x22c/0xeb0 [ 123.120452][ T4965] ? sig_get_ucounts+0x3e4/0x450 [ 123.120475][ T4965] __send_signal_locked+0x22c/0xeb0 [ 123.120504][ T4965] ? __task_pid_nr_ns+0x28/0x470 [ 123.120531][ T4965] send_signal_locked+0x138/0x9e0 [ 123.120561][ T4965] ? lock_task_sighand+0x29/0x2a0 [ 123.120590][ T4965] ? __pfx_send_signal_locked+0x10/0x10 [ 123.120623][ T4965] ? lock_task_sighand+0x29/0x2a0 [ 123.120647][ T4965] ? lock_task_sighand+0x29/0x2a0 [ 123.120675][ T4965] ? lock_task_sighand+0x27c/0x2a0 [ 123.120701][ T4965] ? lock_task_sighand+0x29/0x2a0 [ 123.120727][ T4965] ? group_send_sig_info+0x3d/0x250 [ 123.120754][ T4965] group_send_sig_info+0x1f4/0x250 [ 123.120784][ T4965] ? kill_pid_info_type+0x33/0x1f0 [ 123.120813][ T4965] kill_pid_info_type+0xf8/0x1f0 [ 123.120841][ T4965] ? kill_proc_info+0x21/0x180 [ 123.120872][ T4965] kill_proc_info+0xd9/0x180 [ 123.120904][ T4965] __se_sys_kill+0x35/0x370 [ 123.120930][ T4965] do_syscall_64+0x17b/0x530 [ 123.120948][ T4965] ? irqentry_exit+0x10f/0x8f0 [ 123.120966][ T4965] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.120986][ T4965] ? clear_bhb_loop+0x40/0x90 [ 123.121010][ T4965] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.121029][ T4965] RIP: 0033:0x7f360ee42357 [ 123.121045][ T4965] Code: 48 83 c4 08 c3 66 0f 1f 44 00 00 48 8b 15 99 1a 19 00 64 89 02 b8 ff ff ff ff eb e4 0f 1f 80 00 00 00 00 b8 3e 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 71 1a 19 00 f7 d8 64 89 01 48 [ 123.121061][ T4965] RSP: 002b:00007ffd0290d498 EFLAGS: 00000293 ORIG_RAX: 000000000000003e [ 123.121080][ T4965] RAX: ffffffffffffffda RBX: 00007ffd0290d4a0 RCX: 00007f360ee42357 [ 123.121095][ T4965] RDX: 0000558847d9a620 RSI: 000000000000000f RDI: 0000000000001685 [ 123.121108][ T4965] RBP: 0000000000000000 R08: 0000000000000010 R09: 0000558847d7e8e0 [ 123.121121][ T4965] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 [ 123.121132][ T4965] R13: 000055883f480100 R14: 0000000000000000 R15: 0000000000000000 [ 123.121162][ T4965] [ 123.121217][ T4965] FAULT_INJECTION: forcing a failure. [ 123.121217][ T4965] name failslab, interval 1, probability 100, space 0, times -1 [ 123.121247][ T4965] CPU: 1 UID: 0 PID: 4965 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.121267][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.121278][ T4965] Call Trace: [ 123.121285][ T4965] [ 123.121293][ T4965] dump_stack_lvl+0xe8/0x150 [ 123.121318][ T4965] should_fail_ex+0x467/0x600 [ 123.121347][ T4965] should_failslab+0xa8/0x100 [ 123.121364][ T4965] ? __send_signal_locked+0x22c/0xeb0 [ 123.121391][ T4965] kmem_cache_alloc_noprof+0x9e/0x680 [ 123.121419][ T4965] ? __send_signal_locked+0x22c/0xeb0 [ 123.121447][ T4965] ? sig_get_ucounts+0x3e4/0x450 [ 123.121468][ T4965] __send_signal_locked+0x22c/0xeb0 [ 123.121498][ T4965] ? __task_pid_nr_ns+0x28/0x470 [ 123.121527][ T4965] send_signal_locked+0x138/0x9e0 [ 123.121556][ T4965] ? lock_task_sighand+0x29/0x2a0 [ 123.121584][ T4965] ? __pfx_send_signal_locked+0x10/0x10 [ 123.121617][ T4965] ? lock_task_sighand+0x29/0x2a0 [ 123.121641][ T4965] ? lock_task_sighand+0x29/0x2a0 [ 123.121669][ T4965] ? lock_task_sighand+0x27c/0x2a0 [ 123.121694][ T4965] ? lock_task_sighand+0x29/0x2a0 [ 123.121719][ T4965] ? group_send_sig_info+0x3d/0x250 [ 123.121748][ T4965] group_send_sig_info+0x1f4/0x250 [ 123.121777][ T4965] ? kill_pid_info_type+0x33/0x1f0 [ 123.121806][ T4965] kill_pid_info_type+0xf8/0x1f0 [ 123.121834][ T4965] ? kill_proc_info+0x21/0x180 [ 123.121864][ T4965] kill_proc_info+0xd9/0x180 [ 123.121896][ T4965] __se_sys_kill+0x35/0x370 [ 123.121923][ T4965] do_syscall_64+0x17b/0x530 [ 123.121942][ T4965] ? irqentry_exit+0x10f/0x8f0 [ 123.121959][ T4965] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.121979][ T4965] ? clear_bhb_loop+0x40/0x90 [ 123.122003][ T4965] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.122022][ T4965] RIP: 0033:0x7f360ee42357 [ 123.122038][ T4965] Code: 48 83 c4 08 c3 66 0f 1f 44 00 00 48 8b 15 99 1a 19 00 64 89 02 b8 ff ff ff ff eb e4 0f 1f 80 00 00 00 00 b8 3e 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 71 1a 19 00 f7 d8 64 89 01 48 [ 123.122055][ T4965] RSP: 002b:00007ffd0290d498 EFLAGS: 00000297 ORIG_RAX: 000000000000003e [ 123.122074][ T4965] RAX: ffffffffffffffda RBX: 00007ffd0290d4a0 RCX: 00007f360ee42357 [ 123.122088][ T4965] RDX: 0000558847d89ce0 RSI: 000000000000000f RDI: 0000000000001631 [ 123.122101][ T4965] RBP: 0000000000000000 R08: 0000000000000010 R09: 0000558847d7e8e0 [ 123.122114][ T4965] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000000 [ 123.122126][ T4965] R13: 000055883f480100 R14: 0000000000000000 R15: 0000000000000000 [ 123.122156][ T4965] [ 123.127559][ T1299] FAULT_INJECTION: forcing a failure. [ 123.127559][ T1299] name failslab, interval 1, probability 100, space 0, times -1 [ 123.127590][ T1299] CPU: 1 UID: 0 PID: 1299 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.127613][ T1299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.127626][ T1299] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.127660][ T1299] Call Trace: [ 123.127667][ T1299] [ 123.127675][ T1299] dump_stack_lvl+0xe8/0x150 [ 123.127703][ T1299] should_fail_ex+0x467/0x600 [ 123.127734][ T1299] should_failslab+0xa8/0x100 [ 123.127755][ T1299] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.127783][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.127807][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.127839][ T1299] __alloc_skb+0x1d7/0x7a0 [ 123.127869][ T1299] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.127911][ T1299] ? process_one_work+0x7fd/0x1480 [ 123.127932][ T1299] process_one_work+0xaaf/0x1480 [ 123.127975][ T1299] ? __pfx_process_one_work+0x10/0x10 [ 123.127992][ T1299] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.128025][ T1299] ? assign_work+0x3cf/0x5d0 [ 123.128051][ T1299] worker_thread+0xb05/0x10d0 [ 123.128097][ T1299] kthread+0x388/0x470 [ 123.128123][ T1299] ? __pfx_worker_thread+0x10/0x10 [ 123.128143][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.128170][ T1299] ret_from_fork+0x514/0xb70 [ 123.128199][ T1299] ? __pfx_ret_from_fork+0x10/0x10 [ 123.128226][ T1299] ? __switch_to+0xc89/0x1420 [ 123.128259][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.128285][ T1299] ret_from_fork_asm+0x1a/0x30 [ 123.128330][ T1299] [ 123.128343][ T1299] FAULT_INJECTION: forcing a failure. [ 123.128343][ T1299] name failslab, interval 1, probability 100, space 0, times -1 [ 123.128373][ T1299] CPU: 1 UID: 0 PID: 1299 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.128394][ T1299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.128405][ T1299] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.128434][ T1299] Call Trace: [ 123.128441][ T1299] [ 123.128449][ T1299] dump_stack_lvl+0xe8/0x150 [ 123.128474][ T1299] should_fail_ex+0x467/0x600 [ 123.128503][ T1299] should_failslab+0xa8/0x100 [ 123.128523][ T1299] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.128551][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.128574][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.128605][ T1299] __alloc_skb+0x1d7/0x7a0 [ 123.128634][ T1299] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.128677][ T1299] ? process_one_work+0x7fd/0x1480 [ 123.128703][ T1299] process_one_work+0xaaf/0x1480 [ 123.128744][ T1299] ? __pfx_process_one_work+0x10/0x10 [ 123.128762][ T1299] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.128796][ T1299] ? assign_work+0x3cf/0x5d0 [ 123.128821][ T1299] worker_thread+0xb05/0x10d0 [ 123.128867][ T1299] kthread+0x388/0x470 [ 123.128893][ T1299] ? __pfx_worker_thread+0x10/0x10 [ 123.128912][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.128939][ T1299] ret_from_fork+0x514/0xb70 [ 123.128968][ T1299] ? __pfx_ret_from_fork+0x10/0x10 [ 123.128995][ T1299] ? __switch_to+0xc89/0x1420 [ 123.129020][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.129047][ T1299] ret_from_fork_asm+0x1a/0x30 [ 123.129091][ T1299] [ 123.129103][ T1299] FAULT_INJECTION: forcing a failure. [ 123.129103][ T1299] name failslab, interval 1, probability 100, space 0, times -1 [ 123.129126][ T1299] CPU: 1 UID: 0 PID: 1299 Comm: kworker/u8:9 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.129147][ T1299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.129158][ T1299] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.129189][ T1299] Call Trace: [ 123.129196][ T1299] [ 123.129203][ T1299] dump_stack_lvl+0xe8/0x150 [ 123.129227][ T1299] should_fail_ex+0x467/0x600 [ 123.129264][ T1299] should_failslab+0xa8/0x100 [ 123.129284][ T1299] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.129312][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.129334][ T1299] ? __alloc_skb+0x1d7/0x7a0 [ 123.129371][ T1299] __alloc_skb+0x1d7/0x7a0 [ 123.129401][ T1299] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.129442][ T1299] ? process_one_work+0x7fd/0x1480 [ 123.129463][ T1299] process_one_work+0xaaf/0x1480 [ 123.129506][ T1299] ? __pfx_process_one_work+0x10/0x10 [ 123.129523][ T1299] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.129557][ T1299] ? assign_work+0x3cf/0x5d0 [ 123.129583][ T1299] worker_thread+0xb05/0x10d0 [ 123.129628][ T1299] kthread+0x388/0x470 [ 123.129653][ T1299] ? __pfx_worker_thread+0x10/0x10 [ 123.129673][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.129700][ T1299] ret_from_fork+0x514/0xb70 [ 123.129728][ T1299] ? __pfx_ret_from_fork+0x10/0x10 [ 123.129754][ T1299] ? __switch_to+0xc89/0x1420 [ 123.129780][ T1299] ? __pfx_kthread+0x10/0x10 [ 123.129807][ T1299] ret_from_fork_asm+0x1a/0x30 [ 123.129848][ T1299] [ 123.129898][ T3829] FAULT_INJECTION: forcing a failure. [ 123.129898][ T3829] name failslab, interval 1, probability 100, space 0, times -1 [ 123.129922][ T3829] CPU: 1 UID: 0 PID: 3829 Comm: kworker/u8:18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.129944][ T3829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.129956][ T3829] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.129985][ T3829] Call Trace: [ 123.129993][ T3829] [ 123.130001][ T3829] dump_stack_lvl+0xe8/0x150 [ 123.130027][ T3829] should_fail_ex+0x467/0x600 [ 123.130057][ T3829] should_failslab+0xa8/0x100 [ 123.130076][ T3829] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.130104][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.130127][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.130158][ T3829] __alloc_skb+0x1d7/0x7a0 [ 123.130187][ T3829] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.130229][ T3829] ? process_one_work+0x7fd/0x1480 [ 123.130257][ T3829] process_one_work+0xaaf/0x1480 [ 123.130300][ T3829] ? __pfx_process_one_work+0x10/0x10 [ 123.130318][ T3829] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.130351][ T3829] ? assign_work+0x3cf/0x5d0 [ 123.130376][ T3829] worker_thread+0xb05/0x10d0 [ 123.130409][ T3829] ? __kthread_parkme+0x71/0x1f0 [ 123.130441][ T3829] kthread+0x388/0x470 [ 123.130467][ T3829] ? __pfx_worker_thread+0x10/0x10 [ 123.130487][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.130513][ T3829] ret_from_fork+0x514/0xb70 [ 123.130541][ T3829] ? __pfx_ret_from_fork+0x10/0x10 [ 123.130568][ T3829] ? __switch_to+0xc89/0x1420 [ 123.130594][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.130621][ T3829] ret_from_fork_asm+0x1a/0x30 [ 123.130664][ T3829] [ 123.130677][ T3829] FAULT_INJECTION: forcing a failure. [ 123.130677][ T3829] name failslab, interval 1, probability 100, space 0, times -1 [ 123.130700][ T3829] CPU: 1 UID: 0 PID: 3829 Comm: kworker/u8:18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.130721][ T3829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.130733][ T3829] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.130759][ T3829] Call Trace: [ 123.130766][ T3829] [ 123.130774][ T3829] dump_stack_lvl+0xe8/0x150 [ 123.130799][ T3829] should_fail_ex+0x467/0x600 [ 123.130828][ T3829] should_failslab+0xa8/0x100 [ 123.130849][ T3829] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.130876][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.130899][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.130931][ T3829] __alloc_skb+0x1d7/0x7a0 [ 123.130960][ T3829] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.131002][ T3829] ? process_one_work+0x7fd/0x1480 [ 123.131023][ T3829] process_one_work+0xaaf/0x1480 [ 123.131064][ T3829] ? __pfx_process_one_work+0x10/0x10 [ 123.131081][ T3829] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.131115][ T3829] ? assign_work+0x3cf/0x5d0 [ 123.131140][ T3829] worker_thread+0xb05/0x10d0 [ 123.131172][ T3829] ? __kthread_parkme+0x71/0x1f0 [ 123.131205][ T3829] kthread+0x388/0x470 [ 123.131237][ T3829] ? __pfx_worker_thread+0x10/0x10 [ 123.131256][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.131283][ T3829] ret_from_fork+0x514/0xb70 [ 123.131311][ T3829] ? __pfx_ret_from_fork+0x10/0x10 [ 123.131337][ T3829] ? __switch_to+0xc89/0x1420 [ 123.131363][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.131390][ T3829] ret_from_fork_asm+0x1a/0x30 [ 123.131434][ T3829] [ 123.131446][ T3829] FAULT_INJECTION: forcing a failure. [ 123.131446][ T3829] name failslab, interval 1, probability 100, space 0, times -1 [ 123.131469][ T3829] CPU: 1 UID: 0 PID: 3829 Comm: kworker/u8:18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.131489][ T3829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.131503][ T3829] Workqueue: events_unbound nsim_dev_trap_report_work [ 123.131531][ T3829] Call Trace: [ 123.131538][ T3829] [ 123.131545][ T3829] dump_stack_lvl+0xe8/0x150 [ 123.131570][ T3829] should_fail_ex+0x467/0x600 [ 123.131599][ T3829] should_failslab+0xa8/0x100 [ 123.131619][ T3829] kmem_cache_alloc_node_noprof+0xac/0x660 [ 123.131647][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.131670][ T3829] ? __alloc_skb+0x1d7/0x7a0 [ 123.131701][ T3829] __alloc_skb+0x1d7/0x7a0 [ 123.131731][ T3829] nsim_dev_trap_report_work+0x2b1/0xcb0 [ 123.131773][ T3829] ? process_one_work+0x7fd/0x1480 [ 123.131794][ T3829] process_one_work+0xaaf/0x1480 [ 123.131836][ T3829] ? __pfx_process_one_work+0x10/0x10 [ 123.131854][ T3829] ? do_raw_spin_lock+0x12b/0x2f0 [ 123.131888][ T3829] ? assign_work+0x3cf/0x5d0 [ 123.131913][ T3829] worker_thread+0xb05/0x10d0 [ 123.131945][ T3829] ? __kthread_parkme+0x71/0x1f0 [ 123.131979][ T3829] kthread+0x388/0x470 [ 123.132004][ T3829] ? __pfx_worker_thread+0x10/0x10 [ 123.132023][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.132050][ T3829] ret_from_fork+0x514/0xb70 [ 123.132079][ T3829] ? __pfx_ret_from_fork+0x10/0x10 [ 123.132105][ T3829] ? __switch_to+0xc89/0x1420 [ 123.132131][ T3829] ? __pfx_kthread+0x10/0x10 [ 123.132165][ T3829] ret_from_fork_asm+0x1a/0x30 [ 123.132207][ T3829] [ 123.132751][ T5765] FAULT_INJECTION: forcing a failure. [ 123.132751][ T5765] name failslab, interval 1, probability 100, space 0, times -1 [ 123.132777][ T5765] CPU: 1 UID: 0 PID: 5765 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.132798][ T5765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.132809][ T5765] Call Trace: [ 123.132816][ T5765] [ 123.132824][ T5765] dump_stack_lvl+0xe8/0x150 [ 123.132851][ T5765] should_fail_ex+0x467/0x600 [ 123.132879][ T5765] should_failslab+0xa8/0x100 [ 123.132896][ T5765] ? mas_alloc_nodes+0x291/0x350 [ 123.132916][ T5765] kmem_cache_alloc_noprof+0x9e/0x680 [ 123.132943][ T5765] ? mas_alloc_nodes+0x291/0x350 [ 123.132966][ T5765] mas_alloc_nodes+0x291/0x350 [ 123.132988][ T5765] mas_nomem+0xfb/0x210 [ 123.133021][ T5765] mas_store_gfp+0x37a/0x820 [ 123.133045][ T5765] ? __pfx_mas_store_gfp+0x10/0x10 [ 123.133061][ T5765] ? reacquire_held_locks+0x117/0x1a0 [ 123.133095][ T5765] ? __mas_set_range+0x11a/0x3a0 [ 123.133122][ T5765] do_vmi_align_munmap+0x30c/0x4d0 [ 123.133160][ T5765] ? __pfx_do_vmi_align_munmap+0x10/0x10 [ 123.133207][ T5765] ? mas_walk+0x372/0x480 [ 123.133246][ T5765] ? mas_find+0x64e/0xca0 [ 123.133268][ T5765] do_vmi_munmap+0x252/0x2d0 [ 123.133294][ T5765] __vm_munmap+0x241/0x3e0 [ 123.133318][ T5765] ? __pfx___vm_munmap+0x10/0x10 [ 123.133361][ T5765] __x64_sys_munmap+0x60/0x70 [ 123.133390][ T5765] do_syscall_64+0x17b/0x530 [ 123.133409][ T5765] ? irqentry_exit+0x10f/0x8f0 [ 123.133426][ T5765] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.133447][ T5765] ? clear_bhb_loop+0x40/0x90 [ 123.133470][ T5765] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.133490][ T5765] RIP: 0033:0x7f360ef01097 [ 123.133507][ T5765] Code: 73 01 c3 48 8b 0d 61 2d 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 31 2d 0d 00 f7 d8 64 89 01 48 [ 123.133524][ T5765] RSP: 002b:00007ffd0290d2c8 EFLAGS: 00000206 ORIG_RAX: 000000000000000b [ 123.133544][ T5765] RAX: ffffffffffffffda RBX: 0000558847d76bf0 RCX: 00007f360ef01097 [ 123.133559][ T5765] RDX: 0000000000000000 RSI: 00000000009480e8 RDI: 00007f360e453000 [ 123.133573][ T5765] RBP: 0000558847d76910 R08: 0000558847d89140 R09: 0000000000000006 [ 123.133585][ T5765] R10: 0000000000000000 R11: 0000000000000206 R12: 000055883f47f588 [ 123.133598][ T5765] R13: 00007ffd0290d350 R14: 00000000ffffff97 R15: 0000000000000000 [ 123.133628][ T5765] [ 123.134615][ T5765] ------------[ cut here ]------------ [ 123.134625][ T5765] !mas->sheaf && !mas->alloc [ 123.134643][ T5765] WARNING: lib/maple_tree.c:5751 at mas_nomem+0x1cc/0x210, CPU#1: udevd/5765 [ 123.134685][ T5765] Modules linked in: [ 123.134705][ T5765] CPU: 1 UID: 0 PID: 5765 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.134727][ T5765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.134738][ T5765] RIP: 0010:mas_nomem+0x1cc/0x210 [ 123.134764][ T5765] Code: 4c 89 ff e8 d6 85 ea f6 49 c7 07 00 00 00 00 b0 01 e9 95 fe ff ff e8 f3 2d 7e f6 90 0f 0b 90 e9 2b ff ff ff e8 e5 2d 7e f6 90 <0f> 0b 90 e9 77 fe ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c ce fe [ 123.134781][ T5765] RSP: 0018:ffffc900064a78f0 EFLAGS: 00010293 [ 123.134797][ T5765] RAX: ffffffff8b4775cb RBX: 1ffff92000c94fbf RCX: ffff8880282bddc0 [ 123.134813][ T5765] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 123.134826][ T5765] RBP: 0000000000000cc0 R08: 00000000ffffffff R09: 1ffffffff1ca1a86 [ 123.134840][ T5765] R10: dffffc0000000000 R11: fffffbfff1ca1a87 R12: dffffc0000000000 [ 123.134854][ T5765] R13: ffffc900064a7e18 R14: ffffc900064a7de0 R15: ffffc900064a7df8 [ 123.134869][ T5765] FS: 00007f360ed9c880(0000) GS:ffff888125af2000(0000) knlGS:0000000000000000 [ 123.134886][ T5765] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 123.134900][ T5765] CR2: 0000558847da8d10 CR3: 000000004059a000 CR4: 00000000003526f0 [ 123.134917][ T5765] Call Trace: [ 123.134925][ T5765] [ 123.134939][ T5765] mas_store_gfp+0x37a/0x820 [ 123.134964][ T5765] ? __pfx_mas_store_gfp+0x10/0x10 [ 123.134978][ T5765] ? reacquire_held_locks+0x117/0x1a0 [ 123.135009][ T5765] ? __mas_set_range+0x11a/0x3a0 [ 123.135036][ T5765] do_vmi_align_munmap+0x30c/0x4d0 [ 123.135073][ T5765] ? __pfx_do_vmi_align_munmap+0x10/0x10 [ 123.135121][ T5765] ? mas_walk+0x372/0x480 [ 123.135151][ T5765] ? mas_find+0x64e/0xca0 [ 123.135173][ T5765] do_vmi_munmap+0x252/0x2d0 [ 123.135200][ T5765] __vm_munmap+0x241/0x3e0 [ 123.135224][ T5765] ? __pfx___vm_munmap+0x10/0x10 [ 123.135274][ T5765] __x64_sys_munmap+0x60/0x70 [ 123.135301][ T5765] do_syscall_64+0x17b/0x530 [ 123.135321][ T5765] ? irqentry_exit+0x10f/0x8f0 [ 123.135340][ T5765] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.135361][ T5765] ? clear_bhb_loop+0x40/0x90 [ 123.135385][ T5765] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.135405][ T5765] RIP: 0033:0x7f360ef01097 [ 123.135421][ T5765] Code: 73 01 c3 48 8b 0d 61 2d 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 31 2d 0d 00 f7 d8 64 89 01 48 [ 123.135437][ T5765] RSP: 002b:00007ffd0290d2c8 EFLAGS: 00000206 ORIG_RAX: 000000000000000b [ 123.135457][ T5765] RAX: ffffffffffffffda RBX: 0000558847d76bf0 RCX: 00007f360ef01097 [ 123.135471][ T5765] RDX: 0000000000000000 RSI: 00000000009480e8 RDI: 00007f360e453000 [ 123.135484][ T5765] RBP: 0000558847d76910 R08: 0000558847d89140 R09: 0000000000000006 [ 123.135497][ T5765] R10: 0000000000000000 R11: 0000000000000206 R12: 000055883f47f588 [ 123.135510][ T5765] R13: 00007ffd0290d350 R14: 00000000ffffff97 R15: 0000000000000000 [ 123.135540][ T5765] [ 123.135550][ T5765] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 123.135564][ T5765] CPU: 1 UID: 0 PID: 5765 Comm: udevd Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 123.135585][ T5765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 [ 123.135596][ T5765] Call Trace: [ 123.135604][ T5765] [ 123.135611][ T5765] vpanic+0x56c/0xa60 [ 123.135631][ T5765] ? __pfx__printk+0x10/0x10 [ 123.135655][ T5765] ? __pfx_vpanic+0x10/0x10 [ 123.135672][ T5765] ? is_bpf_text_address+0x292/0x2b0 [ 123.135694][ T5765] ? is_bpf_text_address+0x26/0x2b0 [ 123.135723][ T5765] panic+0xc5/0xd0 [ 123.135742][ T5765] ? __pfx_panic+0x10/0x10 [ 123.135776][ T5765] __warn+0x315/0x4c0 [ 123.135794][ T5765] ? mas_nomem+0x1cc/0x210 [ 123.135824][ T5765] ? mas_nomem+0x1cc/0x210 [ 123.135851][ T5765] __report_bug+0x276/0x570 [ 123.135870][ T5765] ? __show_trace_log_lvl+0x478/0x550 [ 123.135902][ T5765] ? mas_nomem+0x1cc/0x210 [ 123.135932][ T5765] ? __pfx___report_bug+0x10/0x10 [ 123.135956][ T5765] ? dump_stack_lvl+0x103/0x150 [ 123.135979][ T5765] ? lockdep_hardirqs_on+0x7a/0x110 [ 123.136004][ T5765] ? mas_nomem+0x1cc/0x210 [ 123.136031][ T5765] report_bug+0x16a/0x220 [ 123.136051][ T5765] ? mas_nomem+0x1cc/0x210 [ 123.136077][ T5765] ? mas_nomem+0x1ce/0x210 [ 123.136103][ T5765] handle_bug+0x9c/0x200 [ 123.136126][ T5765] exc_invalid_op+0x1a/0x50 [ 123.136147][ T5765] asm_exc_invalid_op+0x1a/0x20 [ 123.136166][ T5765] RIP: 0010:mas_nomem+0x1cc/0x210 [ 123.136193][ T5765] Code: 4c 89 ff e8 d6 85 ea f6 49 c7 07 00 00 00 00 b0 01 e9 95 fe ff ff e8 f3 2d 7e f6 90 0f 0b 90 e9 2b ff ff ff e8 e5 2d 7e f6 90 <0f> 0b 90 e9 77 fe ff ff 89 d1 80 e1 07 80 c1 03 38 c1 0f 8c ce fe [ 123.136209][ T5765] RSP: 0018:ffffc900064a78f0 EFLAGS: 00010293 [ 123.136225][ T5765] RAX: ffffffff8b4775cb RBX: 1ffff92000c94fbf RCX: ffff8880282bddc0 [ 123.136245][ T5765] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 123.136256][ T5765] RBP: 0000000000000cc0 R08: 00000000ffffffff R09: 1ffffffff1ca1a86 [ 123.136270][ T5765] R10: dffffc0000000000 R11: fffffbfff1ca1a87 R12: dffffc0000000000 [ 123.136285][ T5765] R13: ffffc900064a7e18 R14: ffffc900064a7de0 R15: ffffc900064a7df8 [ 123.136307][ T5765] ? mas_nomem+0x1cb/0x210 [ 123.136346][ T5765] mas_store_gfp+0x37a/0x820 [ 123.136367][ T5765] ? __pfx_mas_store_gfp+0x10/0x10 [ 123.136384][ T5765] ? reacquire_held_locks+0x117/0x1a0 [ 123.136418][ T5765] ? __mas_set_range+0x11a/0x3a0 [ 123.136445][ T5765] do_vmi_align_munmap+0x30c/0x4d0 [ 123.136483][ T5765] ? __pfx_do_vmi_align_munmap+0x10/0x10 [ 123.136531][ T5765] ? mas_walk+0x372/0x480 [ 123.136559][ T5765] ? mas_find+0x64e/0xca0 [ 123.136582][ T5765] do_vmi_munmap+0x252/0x2d0 [ 123.136609][ T5765] __vm_munmap+0x241/0x3e0 [ 123.136635][ T5765] ? __pfx___vm_munmap+0x10/0x10 [ 123.136679][ T5765] __x64_sys_munmap+0x60/0x70 [ 123.136707][ T5765] do_syscall_64+0x17b/0x530 [ 123.136727][ T5765] ? irqentry_exit+0x10f/0x8f0 [ 123.136746][ T5765] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.136766][ T5765] ? clear_bhb_loop+0x40/0x90 [ 123.136791][ T5765] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 123.136811][ T5765] RIP: 0033:0x7f360ef01097 [ 123.136828][ T5765] Code: 73 01 c3 48 8b 0d 61 2d 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 31 2d 0d 00 f7 d8 64 89 01 48 [ 123.136845][ T5765] RSP: 002b:00007ffd0290d2c8 EFLAGS: 00000206 ORIG_RAX: 000000000000000b [ 123.136865][ T5765] RAX: ffffffffffffffda RBX: 0000558847d76bf0 RCX: 00007f360ef01097 [ 123.136880][ T5765] RDX: 0000000000000000 RSI: 00000000009480e8 RDI: 00007f360e453000 [ 123.136894][ T5765] RBP: 0000558847d76910 R08: 0000558847d89140 R09: 0000000000000006 [ 123.136915][ T5765] R10: 0000000000000000 R11: 0000000000000206 R12: 000055883f47f588 [ 123.136929][ T5765] R13: 00007ffd0290d350 R14: 00000000ffffff97 R15: 0000000000000000 [ 123.136960][ T5765] [ 123.137216][ T5765] Kernel Offset: disabled