last executing test programs: 30.439221145s ago: executing program 1 (id=2): r0 = syz_usb_connect$uac1(0x0, 0x72, &(0x7f00000000c0)=ANY=[@ANYBLOB="12010102000000400c200b1040000102030109026000030103a0020904000000010100000a240112000a000201020904010000010200000904010101010200000905010910000206000725010c0040000904020001010200000904020101010200000905820900020303100725010c08ff03"], &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x4c}) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000a00)={0x84, &(0x7f0000000600)=ANY=[], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r1 = syz_open_dev$audion(&(0x7f0000000000), 0x3, 0x1) ioctl$SOUND_PCM_READ_BITS(r1, 0x80045005, &(0x7f0000000440)) 25.468626552s ago: executing program 1 (id=7): getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) ioctl$sock_ifreq(r0, 0x8910, &(0x7f0000000000)={'vlan0\x00', @ifru_ivalue=0x8}) ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000)) r1 = syz_ublk_setup_io_uring(0x3297, 0x0, 0x0, 0x0, 0x0) io_uring_register$IORING_REGISTER_EVENTFD_ASYNC(r1, 0x7, &(0x7f0000000400), 0x1) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r2, &(0x7f0000000300)='1', 0x1) socket$inet(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000040)={0x5, 0x0, 0x0, 0x0, 0x8001000d}, 0x94) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'bridge0\x00', 0x0}) r5 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000380)=@newlink={0x54, 0x10, 0x403, 0x0, 0x25dfdbfc, {0x0, 0x0, 0x74, r4, 0xc80, 0x55007}, [@IFLA_LINKINFO={0x34, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x24, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x2}, @IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc, 0x23, 0x1}, @IFLA_BR_MCAST_QUERY_RESPONSE_INTVL={0xc, 0x22, 0x6}]}}}]}, 0x54}}, 0x20000000) r6 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r6, &(0x7f0000000240)='100\x00', 0x3) 25.468507767s ago: executing program 2 (id=3): mkdir(&(0x7f0000000040)='./mnt_nfs\x00', 0x1ff) mount(&(0x7f0000000080)=@filename='127.0.0.1:/\x00', &(0x7f00000000c0)='./mnt_nfs\x00', &(0x7f0000000100)='nfs4\x00', 0x0, &(0x7f0000000140)='addr=127.0.0.1,port=2049,proto=udp,clientaddr=127.0.0.1\x00') 25.425682325s ago: executing program 3 (id=4): r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./backing_file\x00', 0x42, 0x1ff) ftruncate(r0, 0x4000000) r1 = syz_open_dev$loop(&(0x7f00000000c0), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdir(&(0x7f0000000100)='./sys_mount\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='sysfs\x00', &(0x7f0000000180)='./sys_mount\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, &(0x7f0000000200)) r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./sys_mount/block/loop0/queue/rotational\x00', 0x2, 0x0) write(r2, &(0x7f0000000280)='1\n\x00', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys_mount/block/loop0/queue/scheduler\x00', 0x2, 0x0) write(r3, &(0x7f0000000300)='bfq\n\x00', 0x4) r4 = syz_io_uring_setup(0xf00, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000003c0)=0x0, &(0x7f0000000400)=0x0, &(0x7f0000000440)=0x0) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000480)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x100000, &(0x7f0000000500), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000540)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000580)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x101000, &(0x7f0000000600), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000640)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000680)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x102000, &(0x7f0000000700), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000740)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000780)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x103000, &(0x7f0000000800), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000840)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000880)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x104000, &(0x7f0000000900), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000940)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000980)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x105000, &(0x7f0000000a00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000a40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000a80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x106000, &(0x7f0000000b00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000b40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000b80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x107000, &(0x7f0000000c00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000c40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000c80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x108000, &(0x7f0000000d00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000d40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000d80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x109000, &(0x7f0000000e00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000e40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000e80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10a000, &(0x7f0000000f00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000f40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000f80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10b000, &(0x7f0000001000), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001040)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001080)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10c000, &(0x7f0000001100), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001140)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001180)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10d000, &(0x7f0000001200), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001240)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001280)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10e000, &(0x7f0000001300), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001340)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001380)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10f000, &(0x7f0000001400), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001440)}}) io_uring_enter(r4, 0x10, 0x10, 0x1, 0x0, 0x0) 20.829515079s ago: executing program 1 (id=7): getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) ioctl$sock_ifreq(r0, 0x8910, &(0x7f0000000000)={'vlan0\x00', @ifru_ivalue=0x8}) ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000)) r1 = syz_ublk_setup_io_uring(0x3297, 0x0, 0x0, 0x0, 0x0) io_uring_register$IORING_REGISTER_EVENTFD_ASYNC(r1, 0x7, &(0x7f0000000400), 0x1) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r2, &(0x7f0000000300)='1', 0x1) socket$inet(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000040)={0x5, 0x0, 0x0, 0x0, 0x8001000d}, 0x94) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'bridge0\x00', 0x0}) r5 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000380)=@newlink={0x54, 0x10, 0x403, 0x0, 0x25dfdbfc, {0x0, 0x0, 0x74, r4, 0xc80, 0x55007}, [@IFLA_LINKINFO={0x34, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x24, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x2}, @IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc, 0x23, 0x1}, @IFLA_BR_MCAST_QUERY_RESPONSE_INTVL={0xc, 0x22, 0x6}]}}}]}, 0x54}}, 0x20000000) r6 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r6, &(0x7f0000000240)='100\x00', 0x3) 19.924446939s ago: executing program 1 (id=17): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/kernel/mm/lru_gen/enabled\x00', 0x1, 0x0) write$usbip_server(r0, &(0x7f0000000040)=@ret_unlink={{0x4, 0x4f48, 0x0, 0x1, 0x2}, {0x81}}, 0x30) 14.124317229s ago: executing program 1 (id=21): r0 = fsopen(&(0x7f0000000040)='cgroup2\x00', 0x1) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x82) fchdir(r1) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0) unlinkat(r1, &(0x7f0000000140)='./file0\x00', 0x200) unshare(0x42000000) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000140)={0x9, 0x3, &(0x7f0000000200)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0xd}, 0x94) r3 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x1) fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0) r4 = fsmount(r3, 0x1, 0x2) bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000300)={r2, r4, 0xd, 0x0, @void}, 0x10) 13.995090143s ago: executing program 2 (id=3): mkdir(&(0x7f0000000040)='./mnt_nfs\x00', 0x1ff) mount(&(0x7f0000000080)=@filename='127.0.0.1:/\x00', &(0x7f00000000c0)='./mnt_nfs\x00', &(0x7f0000000100)='nfs4\x00', 0x0, &(0x7f0000000140)='addr=127.0.0.1,port=2049,proto=udp,clientaddr=127.0.0.1\x00') 13.954233943s ago: executing program 3 (id=4): r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./backing_file\x00', 0x42, 0x1ff) ftruncate(r0, 0x4000000) r1 = syz_open_dev$loop(&(0x7f00000000c0), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdir(&(0x7f0000000100)='./sys_mount\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='sysfs\x00', &(0x7f0000000180)='./sys_mount\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, &(0x7f0000000200)) r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./sys_mount/block/loop0/queue/rotational\x00', 0x2, 0x0) write(r2, &(0x7f0000000280)='1\n\x00', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys_mount/block/loop0/queue/scheduler\x00', 0x2, 0x0) write(r3, &(0x7f0000000300)='bfq\n\x00', 0x4) r4 = syz_io_uring_setup(0xf00, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000003c0)=0x0, &(0x7f0000000400)=0x0, &(0x7f0000000440)=0x0) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000480)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x100000, &(0x7f0000000500), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000540)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000580)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x101000, &(0x7f0000000600), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000640)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000680)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x102000, &(0x7f0000000700), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000740)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000780)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x103000, &(0x7f0000000800), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000840)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000880)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x104000, &(0x7f0000000900), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000940)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000980)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x105000, &(0x7f0000000a00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000a40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000a80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x106000, &(0x7f0000000b00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000b40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000b80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x107000, &(0x7f0000000c00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000c40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000c80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x108000, &(0x7f0000000d00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000d40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000d80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x109000, &(0x7f0000000e00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000e40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000e80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10a000, &(0x7f0000000f00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000f40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000f80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10b000, &(0x7f0000001000), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001040)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001080)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10c000, &(0x7f0000001100), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001140)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001180)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10d000, &(0x7f0000001200), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001240)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001280)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10e000, &(0x7f0000001300), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001340)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001380)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10f000, &(0x7f0000001400), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001440)}}) io_uring_enter(r4, 0x10, 0x10, 0x1, 0x0, 0x0) 10.717117311s ago: executing program 0 (id=35): r0 = syz_open_dev$usbmon(&(0x7f0000000000), 0x6, 0x200) read$usbmon(r0, &(0x7f0000000040)=""/47, 0x2f) syz_open_dev$usbfs(&(0x7f0000000240), 0x10, 0x80100) 10.621817501s ago: executing program 0 (id=36): r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$unix(0x1, 0x2, 0x0) r2 = syz_genetlink_get_family_id$nl80211(&(0x7f00000000c0), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r1, 0x8933, &(0x7f0000000100)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_NEW_INTERFACE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000140)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=r2, @ANYBLOB="010028bd7000fddbdf250700000008000300", @ANYRES32=r3, @ANYBLOB="0c009900ff070000700000001400040073797a6b616c6c65723000000000000008000500070000000a0018"], 0x50}, 0x1, 0x0, 0x0, 0x91}, 0x24044884) r4 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r4, &(0x7f0000000600)={0x0, 0xc, &(0x7f0000000000)=[{&(0x7f0000000080)="2e00000010008188e6b62aa73772cc9f1ba1f848480000005e140602000000000e000a000f000000028000001294", 0x2e}], 0x1}, 0x0) r5 = socket$pppoe(0x18, 0x1, 0x0) connect$pppoe(r5, &(0x7f0000000040)={0x18, 0x0, {0x3, @random="00ff00", 'bond0\x00'}}, 0x1e) sendmmsg(r5, &(0x7f0000002340)=[{{0x0, 0x0, 0x0}}], 0x3e8, 0x0) 10.433306019s ago: executing program 0 (id=37): r0 = socket$unix(0x1, 0x1, 0x0) r1 = socket$kcm(0x11, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', 0x0}) sendmsg$kcm(r1, &(0x7f00000000c0)={&(0x7f0000000380)=@xdp={0x2c, 0x7, r2, 0x3e}, 0x80, &(0x7f0000000080)=[{&(0x7f0000002300)="81", 0x1}], 0x1}, 0x4) 10.348649275s ago: executing program 0 (id=38): getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) ioctl$sock_ifreq(r0, 0x8910, &(0x7f0000000000)={'vlan0\x00', @ifru_ivalue=0x8}) ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000)) r1 = syz_ublk_setup_io_uring(0x3297, 0x0, 0x0, 0x0, 0x0) io_uring_register$IORING_REGISTER_EVENTFD_ASYNC(r1, 0x7, &(0x7f0000000400), 0x1) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r2, &(0x7f0000000300)='1', 0x1) socket$inet(0x2, 0x2, 0x0) socket$nl_generic(0x10, 0x3, 0x10) bpf$PROG_LOAD_XDP(0x5, &(0x7f0000000040)={0x5, 0x0, 0x0, 0x0, 0x8001000d}, 0x94) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000000)={'bridge0\x00', 0x0}) r5 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000380)=@newlink={0x54, 0x10, 0x403, 0x0, 0x25dfdbfc, {0x0, 0x0, 0x74, r4, 0xc80, 0x55007}, [@IFLA_LINKINFO={0x34, 0x12, 0x0, 0x1, @bridge={{0xb}, {0x24, 0x2, 0x0, 0x1, [@IFLA_BR_MCAST_QUERIER={0x5, 0x19, 0x2}, @IFLA_BR_MCAST_STARTUP_QUERY_INTVL={0xc, 0x23, 0x1}, @IFLA_BR_MCAST_QUERY_RESPONSE_INTVL={0xc, 0x22, 0x6}]}}}]}, 0x54}}, 0x20000000) r6 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r6, &(0x7f0000000240)='100\x00', 0x3) 10.209840432s ago: executing program 0 (id=39): setns(0xc9, 0x0) r0 = socket$inet6_mptcp(0xa, 0x1, 0x106) connect$inet6(r0, &(0x7f0000000280)={0xa, 0x0, 0x0, @dev={0xfe, 0x80, '\x00', 0x1b}, 0x7}, 0x1c) 3.342339405s ago: executing program 3 (id=4): r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./backing_file\x00', 0x42, 0x1ff) ftruncate(r0, 0x4000000) r1 = syz_open_dev$loop(&(0x7f00000000c0), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdir(&(0x7f0000000100)='./sys_mount\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='sysfs\x00', &(0x7f0000000180)='./sys_mount\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, &(0x7f0000000200)) r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./sys_mount/block/loop0/queue/rotational\x00', 0x2, 0x0) write(r2, &(0x7f0000000280)='1\n\x00', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys_mount/block/loop0/queue/scheduler\x00', 0x2, 0x0) write(r3, &(0x7f0000000300)='bfq\n\x00', 0x4) r4 = syz_io_uring_setup(0xf00, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000003c0)=0x0, &(0x7f0000000400)=0x0, &(0x7f0000000440)=0x0) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000480)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x100000, &(0x7f0000000500), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000540)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000580)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x101000, &(0x7f0000000600), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000640)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000680)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x102000, &(0x7f0000000700), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000740)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000780)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x103000, &(0x7f0000000800), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000840)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000880)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x104000, &(0x7f0000000900), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000940)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000980)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x105000, &(0x7f0000000a00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000a40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000a80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x106000, &(0x7f0000000b00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000b40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000b80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x107000, &(0x7f0000000c00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000c40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000c80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x108000, &(0x7f0000000d00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000d40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000d80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x109000, &(0x7f0000000e00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000e40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000e80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10a000, &(0x7f0000000f00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000f40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000f80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10b000, &(0x7f0000001000), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001040)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001080)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10c000, &(0x7f0000001100), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001140)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001180)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10d000, &(0x7f0000001200), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001240)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001280)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10e000, &(0x7f0000001300), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001340)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001380)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10f000, &(0x7f0000001400), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001440)}}) io_uring_enter(r4, 0x10, 0x10, 0x1, 0x0, 0x0) 3.138246862s ago: executing program 0 (id=40): r0 = openat(0xffffffffffffff9c, &(0x7f00000008c0)='./sys/devices/platform/vhci_hcd.0/attach\x00', 0x1, 0x0) writev(r0, &(0x7f0000000900)=[{&(0x7f0000000980)='0 ', 0x2}, {&(0x7f00000009a0)='4 ', 0x2}, {&(0x7f00000009c0)='0 3\n', 0x4}], 0x3) 3.130631535s ago: executing program 1 (id=21): r0 = fsopen(&(0x7f0000000040)='cgroup2\x00', 0x1) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x82) fchdir(r1) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x0) unlinkat(r1, &(0x7f0000000140)='./file0\x00', 0x200) unshare(0x42000000) r2 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000140)={0x9, 0x3, &(0x7f0000000200)=ANY=[@ANYBLOB="1800000000000000000000000000000095"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0xd}, 0x94) r3 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x1) fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0) r4 = fsmount(r3, 0x1, 0x2) bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000300)={r2, r4, 0xd, 0x0, @void}, 0x10) 3.044260402s ago: executing program 2 (id=3): mkdir(&(0x7f0000000040)='./mnt_nfs\x00', 0x1ff) mount(&(0x7f0000000080)=@filename='127.0.0.1:/\x00', &(0x7f00000000c0)='./mnt_nfs\x00', &(0x7f0000000100)='nfs4\x00', 0x0, &(0x7f0000000140)='addr=127.0.0.1,port=2049,proto=udp,clientaddr=127.0.0.1\x00') 310.565224ms ago: executing program 3 (id=4): r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./backing_file\x00', 0x42, 0x1ff) ftruncate(r0, 0x4000000) r1 = syz_open_dev$loop(&(0x7f00000000c0), 0x0, 0x2) ioctl$LOOP_SET_FD(r1, 0x4c00, r0) mkdir(&(0x7f0000000100)='./sys_mount\x00', 0x1ff) mount(&(0x7f0000000140)=@filename='sysfs\x00', &(0x7f0000000180)='./sys_mount\x00', &(0x7f00000001c0)='sysfs\x00', 0x0, &(0x7f0000000200)) r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./sys_mount/block/loop0/queue/rotational\x00', 0x2, 0x0) write(r2, &(0x7f0000000280)='1\n\x00', 0x2) r3 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./sys_mount/block/loop0/queue/scheduler\x00', 0x2, 0x0) write(r3, &(0x7f0000000300)='bfq\n\x00', 0x4) r4 = syz_io_uring_setup(0xf00, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000003c0)=0x0, &(0x7f0000000400)=0x0, &(0x7f0000000440)=0x0) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000480)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x100000, &(0x7f0000000500), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000540)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000580)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x101000, &(0x7f0000000600), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000640)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000680)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x102000, &(0x7f0000000700), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000740)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000780)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x103000, &(0x7f0000000800), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000840)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000880)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x104000, &(0x7f0000000900), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000940)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000980)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x105000, &(0x7f0000000a00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000a40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000a80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x106000, &(0x7f0000000b00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000b40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000b80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x107000, &(0x7f0000000c00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000c40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000c80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x108000, &(0x7f0000000d00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000d40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000d80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x109000, &(0x7f0000000e00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000e40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000e80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10a000, &(0x7f0000000f00), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000000f40)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000000f80)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10b000, &(0x7f0000001000), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001040)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001080)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10c000, &(0x7f0000001100), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001140)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001180)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10d000, &(0x7f0000001200), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001240)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001280)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10e000, &(0x7f0000001300), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001340)}}) syz_io_uring_submit(r5, r6, r7, &(0x7f0000001380)=@IORING_OP_READ=@pass_buffer={0x16, 0x0, 0x0, @fd=r1, 0x10f000, &(0x7f0000001400), 0x1000, 0x0, 0x0, {0x0, 0x0, 0x0, '\x00', &(0x7f0000001440)}}) io_uring_enter(r4, 0x10, 0x10, 0x1, 0x0, 0x0) 122.899116ms ago: executing program 3 (id=41): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./debug\x00', &(0x7f00000000c0)='debugfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./debug/failslab/probability\x00', 0x1, 0x0) write(r0, &(0x7f0000000140)='10', 0x2) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./debug/failslab/ignore-gfp-wait\x00', 0x1, 0x0) close(r1) socket$nl_route(0x10, 0x3, 0x0) r2 = socket$nl_route(0x10, 0x3, 0x0) bpf$PROG_LOAD(0x5, &(0x7f00000000c0)={0xc, 0x0, 0x0, &(0x7f0000000080)='syzkaller\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x94) sendmsg$nl_route_sched(r2, &(0x7f0000001200)={0x0, 0x2c, &(0x7f0000000240)={&(0x7f0000000dc0)=@newqdisc={0x2c, 0x24, 0x20, 0x0, 0x25dfdbfd, {0x0, 0x0, 0x0, 0x0, {0xb}, {0xffff, 0xe}, {0x4, 0xf}}, [@TCA_INGRESS_BLOCK={0x8, 0xd, 0x5}]}, 0x2c}}, 0x0) r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./debug/failslab/times\x00', 0x1, 0x0) write(r3, &(0x7f0000000240)='100', 0x3) close(r0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000280), 0x0, 0x0) r4 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r4, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000380)='./proc\x00', 0x1ff) mount(0x0, &(0x7f0000000380)='./proc\x00', &(0x7f0000000400)='proc\x00', 0x0, 0x0) ioctl$KVM_CREATE_GUEST_MEMFD(0xffffffffffffffff, 0xc040aed4, &(0x7f0000000340)={0x1000}) openat$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file1\x00', 0x40, 0x1) r5 = syz_open_dev$sndctrl(&(0x7f0000000440), 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(r5, 0x40045532, 0x0) syz_open_procfs(0x0, &(0x7f00000001c0)='projid_map\x00') 0s ago: executing program 3 (id=42): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = eventfd(0x0) ioctl$KVM_IRQFD(r1, 0x4020ae76, &(0x7f0000000100)={r2, 0x1, 0x2}) kernel console output (not intermixed with test programs): er_interrupt+0x1a/0x20 [ 80.387121][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 80.387134][ C2] Code: 76 8e 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d e3 2d 13 00 fb f4 3c 4a 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 80.387146][ C2] RSP: 0018:ffffc9000047fe00 EFLAGS: 00000202 [ 80.387156][ C2] RAX: 0000000000072dd3 RBX: ffff88801c7f4a80 RCX: ffffffff8bb872d5 [ 80.387164][ C2] RDX: 0000000000000000 RSI: ffffffff8e1a87c3 RDI: ffffffff8c400a80 [ 80.387171][ C2] RBP: ffffed10038fe950 R08: 0000000000000001 R09: ffffed100568678d [ 80.387178][ C2] R10: ffff88802b433c6b R11: 0000000000000000 R12: 0000000000000000 [ 80.387185][ C2] R13: 0000000000000000 R14: 1ffff9200008ffc4 R15: dffffc0000000000 [ 80.387195][ C2] ? ct_kernel_exit+0x125/0x180 [ 80.387211][ C2] default_idle+0x9/0x10 [ 80.387225][ C2] default_idle_call+0x6c/0xb0 [ 80.387239][ C2] do_idle+0x3a7/0x5b0 [ 80.387252][ C2] ? __pfx_do_idle+0x10/0x10 [ 80.387267][ C2] cpu_startup_entry+0x4f/0x60 [ 80.387280][ C2] start_secondary+0x21d/0x2d0 [ 80.387293][ C2] ? __pfx_start_secondary+0x10/0x10 [ 80.387308][ C2] common_startup_64+0x13e/0x158 [ 80.387330][ C2] [ 80.387361][ C2] FAULT_INJECTION: forcing a failure. [ 80.387361][ C2] name failslab, interval 1, probability 10, space 0, times 94 [ 80.387376][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted syzkaller #0 PREEMPT(full) [ 80.387387][ C2] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.387394][ C2] Call Trace: [ 80.387398][ C2] [ 80.387402][ C2] dump_stack_lvl+0x100/0x190 [ 80.387415][ C2] should_fail_ex.cold+0x5/0xa [ 80.387427][ C2] should_failslab+0xc2/0x120 [ 80.387442][ C2] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.387457][ C2] ? __alloc_skb+0x5b7/0x710 [ 80.387470][ C2] ? __alloc_skb+0x140/0x710 [ 80.387486][ C2] __alloc_skb+0x140/0x710 [ 80.387499][ C2] ? __alloc_skb+0x5b7/0x710 [ 80.387512][ C2] ? __pfx___alloc_skb+0x10/0x10 [ 80.387529][ C2] ? lock_acquire+0x1b9/0x370 [ 80.387548][ C2] __netdev_alloc_skb+0x7a/0x960 [ 80.387564][ C2] __ieee80211_beacon_get+0xba1/0x1ee0 [ 80.387580][ C2] ? __lock_acquire+0x49f/0x1a40 [ 80.387599][ C2] ieee80211_beacon_get_tim+0xa6/0x280 [ 80.387615][ C2] ? __pfx_ieee80211_beacon_get_tim+0x10/0x10 [ 80.387634][ C2] mac80211_hwsim_beacon_tx+0x4c7/0xa00 [ 80.387653][ C2] __iterate_interfaces+0x2e6/0x650 [ 80.387667][ C2] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 80.387684][ C2] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 80.387700][ C2] ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 [ 80.387717][ C2] mac80211_hwsim_beacon+0xe5/0x2a0 [ 80.387729][ C2] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 80.387742][ C2] __hrtimer_run_queues+0x462/0x9c0 [ 80.387759][ C2] hrtimer_run_softirq+0x17d/0x2c0 [ 80.387774][ C2] handle_softirqs+0x1ea/0x9b0 [ 80.387788][ C2] ? __pfx_handle_softirqs+0x10/0x10 [ 80.387800][ C2] ? _raw_spin_unlock+0x28/0x50 [ 80.387811][ C2] ? __hrtimer_rearm_deferred+0x9b/0x720 [ 80.387827][ C2] __irq_exit_rcu+0x162/0x210 [ 80.387839][ C2] irq_exit_rcu+0x9/0x30 [ 80.387850][ C2] sysvec_apic_timer_interrupt+0xa3/0xc0 [ 80.387862][ C2] [ 80.387866][ C2] [ 80.387870][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 80.387882][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 80.387896][ C2] Code: 76 8e 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d e3 2d 13 00 fb f4 3c 4a 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 80.387906][ C2] RSP: 0018:ffffc9000047fe00 EFLAGS: 00000202 [ 80.387914][ C2] RAX: 0000000000072dd3 RBX: ffff88801c7f4a80 RCX: ffffffff8bb872d5 [ 80.387922][ C2] RDX: 0000000000000000 RSI: ffffffff8e1a87c3 RDI: ffffffff8c400a80 [ 80.387928][ C2] RBP: ffffed10038fe950 R08: 0000000000000001 R09: ffffed100568678d [ 80.387936][ C2] R10: ffff88802b433c6b R11: 0000000000000000 R12: 0000000000000000 [ 80.387943][ C2] R13: 0000000000000000 R14: 1ffff9200008ffc4 R15: dffffc0000000000 [ 80.387953][ C2] ? ct_kernel_exit+0x125/0x180 [ 80.387969][ C2] default_idle+0x9/0x10 [ 80.387983][ C2] default_idle_call+0x6c/0xb0 [ 80.387997][ C2] do_idle+0x3a7/0x5b0 [ 80.388009][ C2] ? __pfx_do_idle+0x10/0x10 [ 80.388029][ C2] cpu_startup_entry+0x4f/0x60 [ 80.388042][ C2] start_secondary+0x21d/0x2d0 [ 80.388054][ C2] ? __pfx_start_secondary+0x10/0x10 [ 80.388070][ C2] common_startup_64+0x13e/0x158 [ 80.388092][ C2] [ 80.388140][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.388156][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.388163][ T5155] Call Trace: [ 80.388167][ T5155] [ 80.388171][ T5155] dump_stack_lvl+0x100/0x190 [ 80.388186][ T5155] should_fail_ex.cold+0x5/0xa [ 80.388199][ T5155] should_failslab+0xc2/0x120 [ 80.388214][ T5155] kmem_cache_alloc_lru_noprof+0x8d/0x6a0 [ 80.388229][ T5155] ? __d_alloc+0x35/0xa50 [ 80.388243][ T5155] __d_alloc+0x35/0xa50 [ 80.388256][ T5155] d_alloc+0x4a/0x1e0 [ 80.388269][ T5155] lookup_one_qstr_excl+0x171/0x250 [ 80.388282][ T5155] ? mnt_want_write+0x161/0x410 [ 80.388299][ T5155] filename_unlinkat+0x275/0x730 [ 80.388311][ T5155] ? __might_fault+0xc5/0x140 [ 80.388323][ T5155] ? __pfx_filename_unlinkat+0x10/0x10 [ 80.388340][ T5155] ? do_getname+0x191/0x390 [ 80.388355][ T5155] __x64_sys_unlink+0x46/0x70 [ 80.388367][ T5155] do_syscall_64+0x115/0x840 [ 80.388380][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.388397][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.388409][ T5155] RIP: 0033:0x7f387ff15937 [ 80.388419][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.388430][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.388441][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.388447][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.388454][ T5155] RBP: 0000000000000000 R08: 0000000004c8fc95 R09: 0000000000000001 [ 80.388461][ T5155] R10: 0000000000003a00 R11: 0000000000000202 R12: 0000000000000000 [ 80.388467][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.388481][ T5155] [ 80.388530][ T5155] FAULT_INJECTION: forcing a failure. [ 80.388530][ T5155] name failslab, interval 1, probability 10, space 0, times 90 [ 80.391953][ T6251] CPU: 1 UID: 0 PID: 6251 Comm: syz.3.41 Not tainted syzkaller #0 PREEMPT(full) [ 80.391970][ T6251] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.391979][ T6251] Call Trace: [ 80.391984][ T6251] [ 80.391990][ T6251] dump_stack_lvl+0x100/0x190 [ 80.392008][ T6251] should_fail_ex.cold+0x5/0xa [ 80.392023][ T6251] should_failslab+0xc2/0x120 [ 80.392040][ T6251] kmem_cache_alloc_lru_noprof+0x8d/0x6a0 [ 80.392058][ T6251] ? shmem_alloc_inode+0x25/0x50 [ 80.392074][ T6251] ? __pfx_shmem_alloc_inode+0x10/0x10 [ 80.392090][ T6251] shmem_alloc_inode+0x25/0x50 [ 80.392105][ T6251] alloc_inode+0x68/0x250 [ 80.392121][ T6251] new_inode+0x22/0x1c0 [ 80.392137][ T6251] shmem_get_inode+0x1e3/0xf70 [ 80.392154][ T6251] ? __pfx_shmem_get_inode+0x10/0x10 [ 80.392170][ T6251] ? __pfx_make_vfsuid+0x10/0x10 [ 80.392188][ T6251] shmem_mknod+0x217/0x480 [ 80.392205][ T6251] ? __pfx_shmem_mknod+0x10/0x10 [ 80.392220][ T6251] ? security_inode_permission+0xbf/0x250 [ 80.392236][ T6251] ? inode_permission+0x374/0x620 [ 80.392253][ T6251] shmem_mkdir+0x31/0x80 [ 80.392269][ T6251] vfs_mkdir+0x361/0x850 [ 80.392286][ T6251] filename_mkdirat+0x48b/0x5e0 [ 80.392300][ T6251] ? __pfx_filename_mkdirat+0x10/0x10 [ 80.392313][ T6251] ? strncpy_from_user+0x19d/0x2d0 [ 80.392331][ T6251] ? do_getname+0x191/0x390 [ 80.392346][ T6251] __ia32_sys_mkdirat+0x88/0xc0 [ 80.392359][ T6251] __do_fast_syscall_32+0xe7/0x970 [ 80.392376][ T6251] do_fast_syscall_32+0x32/0x70 [ 80.392390][ T6251] entry_SYSENTER_compat_after_hwframe+0x84/0x8e [ 80.392405][ T6251] RIP: 0023:0xf7f12fec [ 80.392420][ T6251] Code: Unable to access opcode bytes at 0xf7f12fc2. [ 80.392425][ T6251] RSP: 002b:00000000f53d650c EFLAGS: 00000292 ORIG_RAX: 0000000000000128 [ 80.392437][ T6251] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000080000380 [ 80.392450][ T6251] RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000 [ 80.392459][ T6251] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 80.392469][ T6251] R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 [ 80.392479][ T6251] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 80.392499][ T6251] [ 80.396542][ T6251] FAULT_INJECTION: forcing a failure. [ 80.396542][ T6251] name failslab, interval 1, probability 10, space 0, times 88 [ 80.399763][ T5155] CPU: 3 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.399778][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.399785][ T5155] Call Trace: [ 80.399789][ T5155] [ 80.399794][ T5155] dump_stack_lvl+0x100/0x190 [ 80.399809][ T5155] should_fail_ex.cold+0x5/0xa [ 80.399821][ T5155] should_failslab+0xc2/0x120 [ 80.399836][ T5155] __kmalloc_noprof+0xfc/0x820 [ 80.399851][ T5155] ? devkmsg_write+0xfb/0x330 [ 80.399867][ T5155] devkmsg_write+0xfb/0x330 [ 80.399880][ T5155] ? __pfx_aa_file_perm+0x10/0x10 [ 80.399897][ T5155] ? __pfx_devkmsg_write+0x10/0x10 [ 80.399914][ T5155] do_iter_readv_writev+0x6f7/0x930 [ 80.399931][ T5155] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 80.399950][ T5155] ? bpf_lsm_file_permission+0x9/0x10 [ 80.399960][ T5155] ? security_file_permission+0x76/0x210 [ 80.399976][ T5155] ? rw_verify_area+0xce/0x6d0 [ 80.399992][ T5155] vfs_writev+0x360/0xdd0 [ 80.400011][ T5155] ? __pfx_vfs_writev+0x10/0x10 [ 80.400027][ T5155] ? __lock_acquire+0x49f/0x1a40 [ 80.400043][ T5155] ? __css_rstat_updated+0x1ce/0x5a0 [ 80.400063][ T5155] ? __pfx___handle_mm_fault+0x10/0x10 [ 80.400086][ T5155] ? do_writev+0x13e/0x340 [ 80.400102][ T5155] do_writev+0x13e/0x340 [ 80.400118][ T5155] ? __pfx_do_writev+0x10/0x10 [ 80.400138][ T5155] do_syscall_64+0x115/0x840 [ 80.400151][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.400164][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.400176][ T5155] RIP: 0033:0x7f387fea7407 [ 80.400186][ T5155] Code: 48 89 fa 4c 89 df e8 38 aa 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 [ 80.400198][ T5155] RSP: 002b:00007ffd252ef280 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 80.400209][ T5155] RAX: ffffffffffffffda RBX: 00007f38806a0880 RCX: 00007f387fea7407 [ 80.400216][ T5155] RDX: 0000000000000005 RSI: 00007ffd252ef340 RDI: 0000000000000005 [ 80.400222][ T5155] RBP: 00007ffd252ef470 R08: 0000000000000000 R09: 0000000000000000 [ 80.400229][ T5155] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd252ef340 [ 80.400235][ T5155] R13: 00007ffd252ef3d0 R14: 0000000000000000 R15: 00007ffd252ef3b0 [ 80.400249][ T5155] [ 80.400455][ T5155] FAULT_INJECTION: forcing a failure. [ 80.400455][ T5155] name failslab, interval 1, probability 10, space 0, times 87 [ 80.401624][ T6251] CPU: 1 UID: 0 PID: 6251 Comm: syz.3.41 Not tainted syzkaller #0 PREEMPT(full) [ 80.401642][ T6251] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.401650][ T6251] Call Trace: [ 80.401654][ T6251] [ 80.401660][ T6251] dump_stack_lvl+0x100/0x190 [ 80.401675][ T6251] should_fail_ex.cold+0x5/0xa [ 80.401689][ T6251] should_failslab+0xc2/0x120 [ 80.401706][ T6251] __kmalloc_noprof+0xfc/0x820 [ 80.401722][ T6251] ? tomoyo_encode2+0xfb/0x3c0 [ 80.401742][ T6251] tomoyo_encode2+0xfb/0x3c0 [ 80.401763][ T6251] tomoyo_encode+0x29/0x50 [ 80.401778][ T6251] tomoyo_realpath_from_path+0x18c/0x690 [ 80.401798][ T6251] tomoyo_check_open_permission+0x2af/0x3c0 [ 80.401814][ T6251] ? __pfx_tomoyo_check_open_permission+0x10/0x10 [ 80.401828][ T6251] ? look_up_lock_class+0x55/0x120 [ 80.401846][ T6251] ? hook_file_open+0x24f/0x8f0 [ 80.401871][ T6251] ? path_get+0x61/0x80 [ 80.401885][ T6251] tomoyo_file_open+0x6b/0x90 [ 80.401897][ T6251] security_file_open+0xb5/0x1e0 [ 80.401914][ T6251] do_dentry_open+0x588/0x14d0 [ 80.401929][ T6251] vfs_open+0x82/0x3f0 [ 80.401946][ T6251] path_openat+0x2873/0x4280 [ 80.401964][ T6251] ? __pfx_path_openat+0x10/0x10 [ 80.401980][ T6251] do_file_open+0x20e/0x430 [ 80.401991][ T6251] ? __lock_acquire+0x49f/0x1a40 [ 80.402008][ T6251] ? __pfx_do_file_open+0x10/0x10 [ 80.402029][ T6251] ? _raw_spin_unlock+0x28/0x50 [ 80.402040][ T6251] ? alloc_fd+0x471/0x7a0 [ 80.402055][ T6251] do_sys_openat2+0x10f/0x1e0 [ 80.402070][ T6251] ? __pfx_do_sys_openat2+0x10/0x10 [ 80.402085][ T6251] ? find_held_lock+0x2b/0x80 [ 80.402099][ T6251] ? __fget_files+0x215/0x3d0 [ 80.402112][ T6251] __ia32_compat_sys_openat+0x12d/0x210 [ 80.402128][ T6251] ? __pfx___ia32_compat_sys_openat+0x10/0x10 [ 80.402149][ T6251] __do_fast_syscall_32+0xe7/0x970 [ 80.402166][ T6251] do_fast_syscall_32+0x32/0x70 [ 80.402180][ T6251] entry_SYSENTER_compat_after_hwframe+0x84/0x8e [ 80.402194][ T6251] RIP: 0023:0xf7f12fec [ 80.402209][ T6251] Code: Unable to access opcode bytes at 0xf7f12fc2. [ 80.402214][ T6251] RSP: 002b:00000000f53d650c EFLAGS: 00000292 ORIG_RAX: 0000000000000127 [ 80.402226][ T6251] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000080000000 [ 80.402233][ T6251] RDX: 0000000000000040 RSI: 0000000000000001 RDI: 0000000000000000 [ 80.402239][ T6251] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 80.402246][ T6251] R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 [ 80.402252][ T6251] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 80.402266][ T6251] [ 80.402278][ T6251] ERROR: Out of memory at tomoyo_realpath_from_path. [ 80.403883][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.403898][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.403904][ T5155] Call Trace: [ 80.403908][ T5155] [ 80.403912][ T5155] dump_stack_lvl+0x100/0x190 [ 80.403926][ T5155] should_fail_ex.cold+0x5/0xa [ 80.403938][ T5155] should_failslab+0xc2/0x120 [ 80.403953][ T5155] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.403967][ T5155] ? do_getname+0x35/0x390 [ 80.403982][ T5155] do_getname+0x35/0x390 [ 80.403997][ T5155] __x64_sys_unlink+0x36/0x70 [ 80.404010][ T5155] do_syscall_64+0x115/0x840 [ 80.404022][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.404035][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.404046][ T5155] RIP: 0033:0x7f387ff15937 [ 80.404056][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.404066][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.404077][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.404084][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.404091][ T5155] RBP: 0000000000000000 R08: 0000000004c93b31 R09: 0000000000000001 [ 80.404097][ T5155] R10: 0000000000003a02 R11: 0000000000000202 R12: 0000000000000000 [ 80.404104][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.404117][ T5155] [ 80.405120][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.408313][ T5823] FAULT_INJECTION: forcing a failure. [ 80.408313][ T5823] name failslab, interval 1, probability 10, space 0, times 81 [ 80.410021][ T5155] FAULT_INJECTION: forcing a failure. [ 80.410021][ T5155] name failslab, interval 1, probability 10, space 0, times 81 [ 80.410083][ T6251] FAULT_INJECTION: forcing a failure. [ 80.410083][ T6251] name failslab, interval 1, probability 10, space 0, times 81 [ 80.410102][ T6251] CPU: 2 UID: 0 PID: 6251 Comm: syz.3.41 Not tainted syzkaller #0 PREEMPT(full) [ 80.410116][ T6251] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.410123][ T6251] Call Trace: [ 80.410128][ T6251] [ 80.410132][ T6251] dump_stack_lvl+0x100/0x190 [ 80.410147][ T6251] should_fail_ex.cold+0x5/0xa [ 80.410160][ T6251] should_failslab+0xc2/0x120 [ 80.410177][ T6251] __kmalloc_noprof+0xfc/0x820 [ 80.410191][ T6251] ? rcu_is_watching+0x12/0xc0 [ 80.410206][ T6251] ? tomoyo_realpath_from_path+0xb6/0x690 [ 80.410227][ T6251] tomoyo_realpath_from_path+0xb6/0x690 [ 80.410246][ T6251] tomoyo_check_open_permission+0x2af/0x3c0 [ 80.410262][ T6251] ? __pfx_tomoyo_check_open_permission+0x10/0x10 [ 80.410282][ T6251] ? hook_file_open+0x24f/0x8f0 [ 80.410308][ T6251] ? path_get+0x61/0x80 [ 80.410322][ T6251] tomoyo_file_open+0x6b/0x90 [ 80.410335][ T6251] security_file_open+0xb5/0x1e0 [ 80.410353][ T6251] do_dentry_open+0x588/0x14d0 [ 80.410368][ T6251] vfs_open+0x82/0x3f0 [ 80.410384][ T6251] path_openat+0x2873/0x4280 [ 80.410401][ T6251] ? __pfx_path_openat+0x10/0x10 [ 80.410417][ T6251] do_file_open+0x20e/0x430 [ 80.410427][ T6251] ? __lock_acquire+0x49f/0x1a40 [ 80.410446][ T6251] ? __pfx_do_file_open+0x10/0x10 [ 80.410467][ T6251] ? _raw_spin_unlock+0x28/0x50 [ 80.410478][ T6251] ? alloc_fd+0x471/0x7a0 [ 80.410494][ T6251] do_sys_openat2+0x10f/0x1e0 [ 80.410509][ T6251] ? __pfx_do_sys_openat2+0x10/0x10 [ 80.410523][ T6251] ? find_held_lock+0x2b/0x80 [ 80.410541][ T6251] ? __ia32_sys_futex_time32+0x2f4/0x470 [ 80.410558][ T6251] __ia32_compat_sys_openat+0x12d/0x210 [ 80.410573][ T6251] ? __pfx___ia32_compat_sys_openat+0x10/0x10 [ 80.410594][ T6251] do_int80_emulation+0x14b/0x720 [ 80.410610][ T6251] asm_int80_emulation+0x1a/0x20 [ 80.410622][ T6251] RIP: 0023:0xf711736b [ 80.410631][ T6251] Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53 [ 80.410642][ T6251] RSP: 002b:00000000f53d603c EFLAGS: 00000246 ORIG_RAX: 0000000000000127 [ 80.410653][ T6251] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 00000000f53d6100 [ 80.410661][ T6251] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 80.410667][ T6251] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 80.410674][ T6251] R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 [ 80.410680][ T6251] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 80.410694][ T6251] [ 80.411810][ T5823] CPU: 3 UID: 0 PID: 5823 Comm: kworker/u32:3 Not tainted syzkaller #0 PREEMPT(full) [ 80.411825][ T5823] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.411832][ T5823] Workqueue: netns cleanup_net [ 80.411852][ T5823] Call Trace: [ 80.411856][ T5823] [ 80.411860][ T5823] dump_stack_lvl+0x100/0x190 [ 80.411874][ T5823] should_fail_ex.cold+0x5/0xa [ 80.411886][ T5823] should_failslab+0xc2/0x120 [ 80.411901][ T5823] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.411921][ T5823] ? __alloc_skb+0x140/0x710 [ 80.411947][ T5823] __alloc_skb+0x140/0x710 [ 80.411966][ T5823] ? __alloc_skb+0x5b7/0x710 [ 80.411986][ T5823] ? __pfx___alloc_skb+0x10/0x10 [ 80.412004][ T5823] ? kasan_quarantine_put+0x104/0x240 [ 80.412017][ T5823] ? lockdep_hardirqs_on+0x78/0x100 [ 80.412031][ T5823] ? inetdev_event+0x980/0x17f0 [ 80.412046][ T5823] inet_netconf_notify_devconf+0x9d/0x170 [ 80.412064][ T5823] inetdev_event+0xa70/0x17f0 [ 80.412078][ T5823] ? ib_netdevice_event+0xfc/0x330 [ 80.412091][ T5823] ? __pfx_inetdev_event+0x10/0x10 [ 80.412104][ T5823] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 80.412122][ T5823] notifier_call_chain+0x99/0x3f0 [ 80.412140][ T5823] call_netdevice_notifiers_info+0xbe/0x110 [ 80.412159][ T5823] unregister_netdevice_many_notify+0x1141/0x2140 [ 80.412181][ T5823] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 80.412198][ T5823] ? unregister_netdevice_queue+0x22e/0x3c0 [ 80.412218][ T5823] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 80.412249][ T5823] default_device_exit_batch+0x926/0xc10 [ 80.412278][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.412304][ T5823] ? __pfx___might_resched+0x10/0x10 [ 80.412331][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.412356][ T5823] ops_undo_list+0x363/0xab0 [ 80.412385][ T5823] ? __pfx_ops_undo_list+0x10/0x10 [ 80.412406][ T5823] ? cleanup_net+0x332/0x920 [ 80.412423][ T6251] FAULT_INJECTION: forcing a failure. [ 80.412423][ T6251] name failslab, interval 1, probability 10, space 0, times 80 [ 80.412431][ T5823] ? idr_destroy+0x62/0x2e0 [ 80.412452][ T5823] cleanup_net+0x499/0x920 [ 80.412478][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.412505][ T5823] ? rcu_is_watching+0x12/0xc0 [ 80.412528][ T5823] process_one_work+0xa23/0x1940 [ 80.412564][ T5823] ? __pfx_process_one_work+0x10/0x10 [ 80.412595][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.412622][ T5823] worker_thread+0x5ef/0xe50 [ 80.412651][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.412675][ T5823] ? kthread+0x13a/0x450 [ 80.412696][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.412714][ T5823] kthread+0x370/0x450 [ 80.412728][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.412743][ T5823] ret_from_fork+0x72b/0xd50 [ 80.412757][ T5823] ? __pfx_ret_from_fork+0x10/0x10 [ 80.412771][ T5823] ? __switch_to+0x800/0x10f0 [ 80.412788][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.412803][ T5823] ret_from_fork_asm+0x1a/0x30 [ 80.412824][ T5823] [ 80.413291][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.413304][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.413311][ T5155] Call Trace: [ 80.413315][ T5155] [ 80.413319][ T5155] dump_stack_lvl+0x100/0x190 [ 80.413332][ T5155] should_fail_ex.cold+0x5/0xa [ 80.413344][ T5155] should_failslab+0xc2/0x120 [ 80.413358][ T5155] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.413372][ T5155] ? do_getname+0x35/0x390 [ 80.413388][ T5155] do_getname+0x35/0x390 [ 80.413406][ T5155] __x64_sys_unlink+0x36/0x70 [ 80.413419][ T5155] do_syscall_64+0x115/0x840 [ 80.413431][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.413444][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.413450][ T5823] FAULT_INJECTION: forcing a failure. [ 80.413450][ T5823] name failslab, interval 1, probability 10, space 0, times 79 [ 80.413455][ T5155] RIP: 0033:0x7f387ff15937 [ 80.413464][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.413475][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.413485][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.413492][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.413499][ T5155] RBP: 0000000000000000 R08: 0000000004c9608f R09: 0000000000000001 [ 80.413505][ T5155] R10: 0000000000003a04 R11: 0000000000000202 R12: 0000000000000000 [ 80.413512][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.413525][ T5155] [ 80.413550][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.413811][ T5155] FAULT_INJECTION: forcing a failure. [ 80.413811][ T5155] name failslab, interval 1, probability 10, space 0, times 78 [ 80.413827][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.413838][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.413845][ T5155] Call Trace: [ 80.413848][ T5155] [ 80.413852][ T5155] dump_stack_lvl+0x100/0x190 [ 80.413865][ T5155] should_fail_ex.cold+0x5/0xa [ 80.413876][ T5155] should_failslab+0xc2/0x120 [ 80.413891][ T5155] kmem_cache_alloc_lru_noprof+0x8d/0x6a0 [ 80.413905][ T5155] ? __d_alloc+0x35/0xa50 [ 80.413919][ T5155] __d_alloc+0x35/0xa50 [ 80.413932][ T5155] d_alloc+0x4a/0x1e0 [ 80.413945][ T5155] lookup_one_qstr_excl+0x171/0x250 [ 80.413958][ T5155] ? mnt_want_write+0x161/0x410 [ 80.413975][ T5155] filename_unlinkat+0x275/0x730 [ 80.413987][ T5155] ? __might_fault+0xc5/0x140 [ 80.413999][ T5155] ? __pfx_filename_unlinkat+0x10/0x10 [ 80.414016][ T5155] ? do_getname+0x191/0x390 [ 80.414031][ T5155] __x64_sys_unlink+0x46/0x70 [ 80.414043][ T5155] do_syscall_64+0x115/0x840 [ 80.414055][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.414068][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.414079][ T5155] RIP: 0033:0x7f387ff15937 [ 80.414088][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.414098][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.414108][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.414115][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.414122][ T5155] RBP: 0000000000000000 R08: 0000000004c96f56 R09: 0000000000000001 [ 80.414128][ T5155] R10: 0000000000003a06 R11: 0000000000000202 R12: 0000000000000000 [ 80.414135][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.414149][ T5155] [ 80.414168][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.414242][ T5155] FAULT_INJECTION: forcing a failure. [ 80.414242][ T5155] name failslab, interval 1, probability 10, space 0, times 77 [ 80.414255][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.414266][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.414272][ T5155] Call Trace: [ 80.414275][ T5155] [ 80.414279][ T5155] dump_stack_lvl+0x100/0x190 [ 80.414292][ T5155] should_fail_ex.cold+0x5/0xa [ 80.414303][ T5155] should_failslab+0xc2/0x120 [ 80.414318][ T5155] kmem_cache_alloc_lru_noprof+0x8d/0x6a0 [ 80.414332][ T5155] ? __d_alloc+0x35/0xa50 [ 80.414346][ T5155] __d_alloc+0x35/0xa50 [ 80.414359][ T5155] d_alloc+0x4a/0x1e0 [ 80.414372][ T5155] lookup_one_qstr_excl+0x171/0x250 [ 80.414385][ T5155] ? mnt_want_write+0x161/0x410 [ 80.414405][ T5155] filename_unlinkat+0x275/0x730 [ 80.414418][ T5155] ? __might_fault+0xc5/0x140 [ 80.414429][ T5155] ? __pfx_filename_unlinkat+0x10/0x10 [ 80.414447][ T5155] ? do_getname+0x191/0x390 [ 80.414461][ T5155] __x64_sys_unlink+0x46/0x70 [ 80.414474][ T5155] do_syscall_64+0x115/0x840 [ 80.414486][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.414499][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.414510][ T5155] RIP: 0033:0x7f387ff15937 [ 80.414518][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.414529][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.414539][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.414545][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.414552][ T5155] RBP: 0000000000000000 R08: 0000000004c97105 R09: 0000000000000001 [ 80.414559][ T5155] R10: 0000000000003a06 R11: 0000000000000202 R12: 0000000000000000 [ 80.414566][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.414580][ T5155] [ 80.414598][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.414690][ T5155] FAULT_INJECTION: forcing a failure. [ 80.414690][ T5155] name failslab, interval 1, probability 10, space 0, times 76 [ 80.414703][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.414714][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.414720][ T5155] Call Trace: [ 80.414724][ T5155] [ 80.414728][ T5155] dump_stack_lvl+0x100/0x190 [ 80.414740][ T5155] should_fail_ex.cold+0x5/0xa [ 80.414752][ T5155] should_failslab+0xc2/0x120 [ 80.414766][ T5155] kmem_cache_alloc_lru_noprof+0x8d/0x6a0 [ 80.414781][ T5155] ? __d_alloc+0x35/0xa50 [ 80.414794][ T5155] __d_alloc+0x35/0xa50 [ 80.414808][ T5155] d_alloc+0x4a/0x1e0 [ 80.414820][ T5155] lookup_one_qstr_excl+0x171/0x250 [ 80.414834][ T5155] ? mnt_want_write+0x161/0x410 [ 80.414850][ T5155] filename_unlinkat+0x275/0x730 [ 80.414862][ T5155] ? __might_fault+0xc5/0x140 [ 80.414874][ T5155] ? __pfx_filename_unlinkat+0x10/0x10 [ 80.414892][ T5155] ? do_getname+0x191/0x390 [ 80.414906][ T5155] __x64_sys_unlink+0x46/0x70 [ 80.414919][ T5155] do_syscall_64+0x115/0x840 [ 80.414931][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.414944][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.414955][ T5155] RIP: 0033:0x7f387ff15937 [ 80.414963][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.414973][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.414983][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.414989][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.414996][ T5155] RBP: 0000000000000000 R08: 0000000004c972c5 R09: 0000000000000001 [ 80.415002][ T5155] R10: 0000000000003a06 R11: 0000000000000202 R12: 0000000000000000 [ 80.415008][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.415022][ T5155] [ 80.415039][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.415080][ T5155] FAULT_INJECTION: forcing a failure. [ 80.415080][ T5155] name failslab, interval 1, probability 10, space 0, times 75 [ 80.415093][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.415104][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.415110][ T5155] Call Trace: [ 80.415113][ T5155] [ 80.415117][ T5155] dump_stack_lvl+0x100/0x190 [ 80.415129][ T5155] should_fail_ex.cold+0x5/0xa [ 80.415141][ T5155] should_failslab+0xc2/0x120 [ 80.415156][ T5155] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.415169][ T5155] ? do_getname+0x35/0x390 [ 80.415185][ T5155] do_getname+0x35/0x390 [ 80.415199][ T5155] __x64_sys_unlink+0x36/0x70 [ 80.415211][ T5155] do_syscall_64+0x115/0x840 [ 80.415223][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.415236][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.415247][ T5155] RIP: 0033:0x7f387ff15937 [ 80.415256][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.415266][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.415275][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.415282][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.415289][ T5155] RBP: 0000000000000000 R08: 0000000004c97452 R09: 0000000000000001 [ 80.415295][ T5155] R10: 0000000000003a06 R11: 0000000000000202 R12: 0000000000000000 [ 80.415301][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.415315][ T5155] [ 80.415328][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.415323][ T6251] CPU: 2 UID: 0 PID: 6251 Comm: syz.3.41 Not tainted syzkaller #0 PREEMPT(full) [ 80.415345][ T6251] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.415358][ T6251] Call Trace: [ 80.415364][ T6251] [ 80.415368][ T6251] dump_stack_lvl+0x100/0x190 [ 80.415383][ T6251] should_fail_ex.cold+0x5/0xa [ 80.415395][ T6251] should_failslab+0xc2/0x120 [ 80.415411][ T6251] kmem_cache_alloc_lru_noprof+0x8d/0x6a0 [ 80.415426][ T6251] ? proc_alloc_inode+0x25/0x200 [ 80.415443][ T6251] ? __pfx_proc_alloc_inode+0x10/0x10 [ 80.415461][ T6251] proc_alloc_inode+0x25/0x200 [ 80.415477][ T6251] alloc_inode+0x68/0x250 [ 80.415492][ T6251] new_inode+0x22/0x1c0 [ 80.415508][ T5155] FAULT_INJECTION: forcing a failure. [ 80.415508][ T5155] name failslab, interval 1, probability 10, space 0, times 74 [ 80.415507][ T6251] proc_pid_make_inode+0x22/0x160 [ 80.415526][ T6251] proc_pident_instantiate+0x85/0x310 [ 80.415546][ T6251] proc_pident_lookup+0x1e3/0x270 [ 80.415564][ T6251] ? __pfx_proc_tgid_base_lookup+0x10/0x10 [ 80.415582][ T6251] path_openat+0x241f/0x4280 [ 80.415600][ T6251] ? __pfx_path_openat+0x10/0x10 [ 80.415615][ T6251] do_file_open+0x20e/0x430 [ 80.415625][ T6251] ? __lock_acquire+0x49f/0x1a40 [ 80.415643][ T6251] ? __pfx_do_file_open+0x10/0x10 [ 80.415660][ T6251] ? __pfx_kfree_link+0x10/0x10 [ 80.415679][ T6251] ? _raw_spin_unlock+0x28/0x50 [ 80.415691][ T6251] ? alloc_fd+0x471/0x7a0 [ 80.415705][ T6251] do_sys_openat2+0x10f/0x1e0 [ 80.415720][ T6251] ? __pfx_do_sys_openat2+0x10/0x10 [ 80.415734][ T6251] ? find_held_lock+0x2b/0x80 [ 80.415750][ T6251] ? __ia32_sys_futex_time32+0x2f4/0x470 [ 80.415766][ T6251] __ia32_compat_sys_openat+0x12d/0x210 [ 80.415784][ T6251] ? __pfx___ia32_compat_sys_openat+0x10/0x10 [ 80.415806][ T6251] do_int80_emulation+0x14b/0x720 [ 80.415823][ T6251] asm_int80_emulation+0x1a/0x20 [ 80.415834][ T6251] RIP: 0023:0xf711736b [ 80.415844][ T6251] Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53 [ 80.415856][ T6251] RSP: 002b:00000000f53d63cc EFLAGS: 00000246 ORIG_RAX: 0000000000000127 [ 80.415867][ T6251] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 00000000f53d6490 [ 80.415874][ T6251] RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000000 [ 80.415881][ T6251] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 80.415887][ T6251] R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 [ 80.415894][ T6251] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 80.415908][ T6251] [ 80.415914][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.415925][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.415931][ T5155] Call Trace: [ 80.415935][ T5155] [ 80.415939][ T5155] dump_stack_lvl+0x100/0x190 [ 80.415951][ T5155] should_fail_ex.cold+0x5/0xa [ 80.415963][ T5155] should_failslab+0xc2/0x120 [ 80.415977][ T5155] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.415991][ T5155] ? do_getname+0x35/0x390 [ 80.416006][ T5155] do_getname+0x35/0x390 [ 80.416020][ T5155] __x64_sys_unlink+0x36/0x70 [ 80.416032][ T5155] do_syscall_64+0x115/0x840 [ 80.416044][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.416057][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.416068][ T5155] RIP: 0033:0x7f387ff15937 [ 80.416076][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.416086][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.416096][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.416102][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.416109][ T5155] RBP: 0000000000000000 R08: 0000000004c975fe R09: 0000000000000001 [ 80.416115][ T5155] R10: 0000000000003a06 R11: 0000000000000202 R12: 0000000000000000 [ 80.416121][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.416134][ T5155] [ 80.416148][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.416189][ T5155] FAULT_INJECTION: forcing a failure. [ 80.416189][ T5155] name failslab, interval 1, probability 10, space 0, times 72 [ 80.416202][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.416213][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.416219][ T5155] Call Trace: [ 80.416223][ T5155] [ 80.416226][ T5155] dump_stack_lvl+0x100/0x190 [ 80.416239][ T5155] should_fail_ex.cold+0x5/0xa [ 80.416250][ T5155] should_failslab+0xc2/0x120 [ 80.416265][ T5155] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.416279][ T5155] ? do_getname+0x35/0x390 [ 80.416295][ T5155] do_getname+0x35/0x390 [ 80.416309][ T5155] __x64_sys_unlink+0x36/0x70 [ 80.416321][ T5155] do_syscall_64+0x115/0x840 [ 80.416333][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.416346][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.416357][ T5155] RIP: 0033:0x7f387ff15937 [ 80.416365][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.416375][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.416385][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.416391][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.416402][ T5155] RBP: 0000000000000000 R08: 0000000004c978a7 R09: 0000000000000001 [ 80.416408][ T5155] R10: 0000000000003a06 R11: 0000000000000202 R12: 0000000000000000 [ 80.416415][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.416428][ T5155] [ 80.416437][ T5155] FAULT_INJECTION: forcing a failure. [ 80.416437][ T5155] name failslab, interval 1, probability 10, space 0, times 71 [ 80.416449][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.416460][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.416466][ T5155] Call Trace: [ 80.416470][ T5155] [ 80.416473][ T5155] dump_stack_lvl+0x100/0x190 [ 80.416486][ T5155] should_fail_ex.cold+0x5/0xa [ 80.416497][ T5155] should_failslab+0xc2/0x120 [ 80.416512][ T5155] __kmalloc_noprof+0xfc/0x820 [ 80.416525][ T5155] ? devkmsg_write+0xfb/0x330 [ 80.416541][ T5155] devkmsg_write+0xfb/0x330 [ 80.416553][ T5155] ? __pfx_aa_file_perm+0x10/0x10 [ 80.416570][ T5155] ? __pfx_devkmsg_write+0x10/0x10 [ 80.416587][ T5155] do_iter_readv_writev+0x6f7/0x930 [ 80.416604][ T5155] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 80.416622][ T5155] ? bpf_lsm_file_permission+0x9/0x10 [ 80.416633][ T5155] ? security_file_permission+0x76/0x210 [ 80.416649][ T5155] ? rw_verify_area+0xce/0x6d0 [ 80.416666][ T5155] vfs_writev+0x360/0xdd0 [ 80.416685][ T5155] ? __pfx_vfs_writev+0x10/0x10 [ 80.416709][ T5155] ? filename_unlinkat+0x146/0x730 [ 80.416725][ T5155] ? do_writev+0x13e/0x340 [ 80.416740][ T5155] do_writev+0x13e/0x340 [ 80.416756][ T5155] ? __pfx_do_writev+0x10/0x10 [ 80.416776][ T5155] do_syscall_64+0x115/0x840 [ 80.416788][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.416801][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.416812][ T5155] RIP: 0033:0x7f387fea7407 [ 80.416820][ T5155] Code: 48 89 fa 4c 89 df e8 38 aa 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 [ 80.416831][ T5155] RSP: 002b:00007ffd252ef280 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 80.416840][ T5155] RAX: ffffffffffffffda RBX: 00007f38806a0880 RCX: 00007f387fea7407 [ 80.416847][ T5155] RDX: 0000000000000005 RSI: 00007ffd252ef340 RDI: 0000000000000005 [ 80.416853][ T5155] RBP: 00007ffd252ef470 R08: 0000000000000000 R09: 0000000000000000 [ 80.416860][ T5155] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd252ef340 [ 80.416866][ T5155] R13: 00007ffd252ef3d0 R14: 0000000000000000 R15: 00007ffd252ef3b0 [ 80.416879][ T5155] [ 80.417050][ T5155] FAULT_INJECTION: forcing a failure. [ 80.417050][ T5155] name failslab, interval 1, probability 10, space 0, times 70 [ 80.417063][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.417075][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.417081][ T5155] Call Trace: [ 80.417084][ T5155] [ 80.417088][ T5155] dump_stack_lvl+0x100/0x190 [ 80.417100][ T5155] should_fail_ex.cold+0x5/0xa [ 80.417112][ T5155] should_failslab+0xc2/0x120 [ 80.417127][ T5155] kmem_cache_alloc_lru_noprof+0x8d/0x6a0 [ 80.417141][ T5155] ? __d_alloc+0x35/0xa50 [ 80.417155][ T5155] __d_alloc+0x35/0xa50 [ 80.417168][ T5155] d_alloc+0x4a/0x1e0 [ 80.417180][ T5155] lookup_one_qstr_excl+0x171/0x250 [ 80.417194][ T5155] ? mnt_want_write+0x161/0x410 [ 80.417231][ T5155] filename_unlinkat+0x275/0x730 [ 80.417243][ T5155] ? __might_fault+0xc5/0x140 [ 80.417254][ T5155] ? __pfx_filename_unlinkat+0x10/0x10 [ 80.417272][ T5155] ? do_getname+0x191/0x390 [ 80.417287][ T5155] __x64_sys_unlink+0x46/0x70 [ 80.417299][ T5155] do_syscall_64+0x115/0x840 [ 80.417311][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.417324][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.417335][ T5155] RIP: 0033:0x7f387ff15937 [ 80.417344][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.417354][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.417363][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.417370][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.417377][ T5155] RBP: 0000000000000000 R08: 0000000004c97bfd R09: 0000000000000001 [ 80.417383][ T5155] R10: 0000000000003a06 R11: 0000000000000202 R12: 0000000000000000 [ 80.417389][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.417407][ T5155] [ 80.418370][ T5155] FAULT_INJECTION: forcing a failure. [ 80.418370][ T5155] name failslab, interval 1, probability 10, space 0, times 67 [ 80.418384][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.418400][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.418407][ T5155] Call Trace: [ 80.418410][ T5155] [ 80.418414][ T5155] dump_stack_lvl+0x100/0x190 [ 80.418427][ T5155] should_fail_ex.cold+0x5/0xa [ 80.418439][ T5155] should_failslab+0xc2/0x120 [ 80.418453][ T5155] __kmalloc_noprof+0xfc/0x820 [ 80.418467][ T5155] ? devkmsg_write+0xfb/0x330 [ 80.418482][ T5155] devkmsg_write+0xfb/0x330 [ 80.418494][ T5155] ? __pfx_aa_file_perm+0x10/0x10 [ 80.418510][ T5155] ? __pfx_devkmsg_write+0x10/0x10 [ 80.418527][ T5155] do_iter_readv_writev+0x6f7/0x930 [ 80.418544][ T5155] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 80.418562][ T5155] ? bpf_lsm_file_permission+0x9/0x10 [ 80.418572][ T5155] ? security_file_permission+0x76/0x210 [ 80.418587][ T5155] ? rw_verify_area+0xce/0x6d0 [ 80.418603][ T5155] vfs_writev+0x360/0xdd0 [ 80.418623][ T5155] ? __pfx_vfs_writev+0x10/0x10 [ 80.418651][ T5155] ? do_writev+0x13e/0x340 [ 80.418666][ T5155] do_writev+0x13e/0x340 [ 80.418682][ T5155] ? __pfx_do_writev+0x10/0x10 [ 80.418702][ T5155] do_syscall_64+0x115/0x840 [ 80.418714][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.418727][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.418737][ T5155] RIP: 0033:0x7f387fea7407 [ 80.418746][ T5155] Code: 48 89 fa 4c 89 df e8 38 aa 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 [ 80.418757][ T5155] RSP: 002b:00007ffd252ef280 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 80.418766][ T5155] RAX: ffffffffffffffda RBX: 00007f38806a0880 RCX: 00007f387fea7407 [ 80.418773][ T5155] RDX: 0000000000000005 RSI: 00007ffd252ef340 RDI: 0000000000000005 [ 80.418779][ T5155] RBP: 00007ffd252ef470 R08: 0000000000000000 R09: 0000000000000000 [ 80.418785][ T5155] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd252ef340 [ 80.418791][ T5155] R13: 00007ffd252ef3d0 R14: 0000000000000000 R15: 00007ffd252ef3b0 [ 80.418805][ T5155] [ 80.418959][ T5155] FAULT_INJECTION: forcing a failure. [ 80.418959][ T5155] name failslab, interval 1, probability 10, space 0, times 65 [ 80.418972][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.418984][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.418990][ T5155] Call Trace: [ 80.418993][ T5155] [ 80.418997][ T5155] dump_stack_lvl+0x100/0x190 [ 80.419009][ T5155] should_fail_ex.cold+0x5/0xa [ 80.419020][ T5155] should_failslab+0xc2/0x120 [ 80.419035][ T5155] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.419049][ T5155] ? do_getname+0x35/0x390 [ 80.419064][ T5155] do_getname+0x35/0x390 [ 80.419078][ T5155] __x64_sys_unlink+0x36/0x70 [ 80.419091][ T5155] do_syscall_64+0x115/0x840 [ 80.419113][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.419126][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.419137][ T5155] RIP: 0033:0x7f387ff15937 [ 80.419145][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.419155][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.419164][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.419171][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.419177][ T5155] RBP: 0000000000000000 R08: 0000000004c9837a R09: 0000000000000001 [ 80.419184][ T5155] R10: 0000000000003a06 R11: 0000000000000202 R12: 0000000000000000 [ 80.419190][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.419203][ T5155] [ 80.419215][ T5155] FAULT_INJECTION: forcing a failure. [ 80.419215][ T5155] name failslab, interval 1, probability 10, space 0, times 64 [ 80.419227][ T5155] CPU: 0 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.419238][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.419244][ T5155] Call Trace: [ 80.419247][ T5155] [ 80.419251][ T5155] dump_stack_lvl+0x100/0x190 [ 80.419263][ T5155] should_fail_ex.cold+0x5/0xa [ 80.419274][ T5155] should_failslab+0xc2/0x120 [ 80.419289][ T5155] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.419301][ T5155] ? stack_trace_save+0x8e/0xc0 [ 80.419316][ T5155] ? alloc_empty_file+0x5b/0x1c0 [ 80.419332][ T5155] alloc_empty_file+0x5b/0x1c0 [ 80.419346][ T5155] path_openat+0xe7/0x4280 [ 80.419356][ T5155] ? __kasan_slab_alloc+0x89/0x90 [ 80.419370][ T5155] ? kmem_cache_alloc_noprof+0x26b/0x6a0 [ 80.419382][ T5155] ? do_getname+0x35/0x390 [ 80.419397][ T5155] ? do_sys_openat2+0xc7/0x1e0 [ 80.419410][ T5155] ? __x64_sys_openat+0x12d/0x210 [ 80.419424][ T5155] ? do_syscall_64+0x115/0x840 [ 80.419436][ T5155] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.419450][ T5155] ? __pfx_path_openat+0x10/0x10 [ 80.419465][ T5155] do_file_open+0x20e/0x430 [ 80.419477][ T5155] ? __pfx_do_file_open+0x10/0x10 [ 80.419497][ T5155] ? alloc_fd+0x471/0x7a0 [ 80.419509][ T5155] ? do_getname+0x191/0x390 [ 80.419523][ T5155] do_sys_openat2+0x10f/0x1e0 [ 80.419537][ T5155] ? __pfx_do_sys_openat2+0x10/0x10 [ 80.419552][ T5155] ? filename_unlinkat+0x102/0x730 [ 80.419563][ T5155] ? filename_unlinkat+0x146/0x730 [ 80.419575][ T5155] ? rcu_is_watching+0x12/0xc0 [ 80.419590][ T5155] __x64_sys_openat+0x12d/0x210 [ 80.419605][ T5155] ? __pfx___x64_sys_openat+0x10/0x10 [ 80.419624][ T5155] do_syscall_64+0x115/0x840 [ 80.419636][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.419649][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.419659][ T5155] RIP: 0033:0x7f387fea7407 [ 80.419668][ T5155] Code: 48 89 fa 4c 89 df e8 38 aa 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 [ 80.419678][ T5155] RSP: 002b:00007ffd252ef230 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 80.419687][ T5155] RAX: ffffffffffffffda RBX: 00007f38806a0880 RCX: 00007f387fea7407 [ 80.419694][ T5155] RDX: 0000000000080101 RSI: 0000563d169cf271 RDI: ffffffffffffff9c [ 80.419700][ T5155] RBP: 00007ffd252ef470 R08: 0000000000000000 R09: 0000000000000000 [ 80.419706][ T5155] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd252ef340 [ 80.419713][ T5155] R13: 00000000000002b5 R14: 0000000000000000 R15: 00007ffd252efcd0 [ 80.419726][ T5155] [ 80.419741][ T5155] FAULT_INJECTION: forcing a failure. [ 80.419741][ T5155] name failslab, interval 1, probability 10, space 0, times 63 [ 80.421379][ T5823] CPU: 3 UID: 0 PID: 5823 Comm: kworker/u32:3 Not tainted syzkaller #0 PREEMPT(full) [ 80.421393][ T5823] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.421401][ T5823] Workqueue: netns cleanup_net [ 80.421420][ T5823] Call Trace: [ 80.421424][ T5823] [ 80.421431][ T5823] dump_stack_lvl+0x100/0x190 [ 80.421450][ T5823] should_fail_ex.cold+0x5/0xa [ 80.421470][ T5823] should_failslab+0xc2/0x120 [ 80.421492][ T5823] __kmalloc_noprof+0xfc/0x820 [ 80.421514][ T5823] ? kobject_get_path+0xcf/0x2c0 [ 80.421543][ T5823] kobject_get_path+0xcf/0x2c0 [ 80.421570][ T5823] kobject_uevent_env+0x287/0x18b0 [ 80.421591][ T5823] ? bus_to_subsys+0x114/0x150 [ 80.421612][ T5823] device_del+0x605/0x9b0 [ 80.421637][ T5823] ? __pfx_device_del+0x10/0x10 [ 80.421659][ T5823] ? rcu_is_watching+0x12/0xc0 [ 80.421683][ T5823] device_unregister+0x1d/0xe0 [ 80.421704][ T5823] device_destroy+0x99/0xe0 [ 80.421724][ T5823] ? __pfx_device_destroy+0x10/0x10 [ 80.421748][ T5823] ? kernfs_remove_by_name_ns+0xbb/0x120 [ 80.421768][ T5823] macvtap_device_event+0x288/0x3c0 [ 80.421792][ T5823] ? __local_bh_enable_ip+0x9e/0x120 [ 80.421811][ T5823] ? __pfx_macvtap_device_event+0x10/0x10 [ 80.421838][ T5823] ? bond_netdev_event+0xeb/0xcc0 [ 80.421862][ T5823] notifier_call_chain+0x99/0x3f0 [ 80.421889][ T5823] call_netdevice_notifiers_info+0xbe/0x110 [ 80.421914][ T5823] unregister_netdevice_many_notify+0x1141/0x2140 [ 80.421941][ T5823] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 80.421967][ T5823] ? unregister_netdevice_queue+0x22e/0x3c0 [ 80.421991][ T5823] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 80.422023][ T5823] default_device_exit_batch+0x926/0xc10 [ 80.422052][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.422084][ T5823] ? __pfx___might_resched+0x10/0x10 [ 80.422111][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.422152][ T5823] ops_undo_list+0x363/0xab0 [ 80.422180][ T5823] ? __pfx_ops_undo_list+0x10/0x10 [ 80.422201][ T5823] ? cleanup_net+0x332/0x920 [ 80.422225][ T5823] ? idr_destroy+0x62/0x2e0 [ 80.422246][ T5823] cleanup_net+0x499/0x920 [ 80.422271][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.422299][ T5823] ? rcu_is_watching+0x12/0xc0 [ 80.422322][ T5823] process_one_work+0xa23/0x1940 [ 80.422355][ T5823] ? __pfx_process_one_work+0x10/0x10 [ 80.422385][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.422412][ T5823] worker_thread+0x5ef/0xe50 [ 80.422441][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.422467][ T5823] ? kthread+0x13a/0x450 [ 80.422487][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.422507][ T5823] kthread+0x370/0x450 [ 80.422528][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.422551][ T5823] ret_from_fork+0x72b/0xd50 [ 80.422572][ T5823] ? __pfx_ret_from_fork+0x10/0x10 [ 80.422593][ T5823] ? __switch_to+0x800/0x10f0 [ 80.422617][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.422640][ T5823] ret_from_fork_asm+0x1a/0x30 [ 80.422675][ T5823] [ 80.427760][ T5730] FAULT_INJECTION: forcing a failure. [ 80.427760][ T5730] name failslab, interval 1, probability 10, space 0, times 55 [ 80.433866][ T5155] CPU: 3 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.433889][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.433900][ T5155] Call Trace: [ 80.433906][ T5155] [ 80.433914][ T5155] dump_stack_lvl+0x100/0x190 [ 80.433935][ T5155] should_fail_ex.cold+0x5/0xa [ 80.433947][ T5155] should_failslab+0xc2/0x120 [ 80.433963][ T5155] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.433978][ T5155] ? do_getname+0x35/0x390 [ 80.433994][ T5155] do_getname+0x35/0x390 [ 80.434009][ T5155] __x64_sys_unlink+0x36/0x70 [ 80.434021][ T5155] do_syscall_64+0x115/0x840 [ 80.434035][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.434048][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.434065][ T5155] RIP: 0033:0x7f387ff15937 [ 80.434080][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.434096][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.434114][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.434125][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.434135][ T5155] RBP: 0000000000000000 R08: 0000000004c98688 R09: 0000000000000001 [ 80.434144][ T5155] R10: 0000000000003a06 R11: 0000000000000202 R12: 0000000000000000 [ 80.434150][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.434171][ T5155] [ 80.435417][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.438468][ T5730] CPU: 2 UID: 0 PID: 5730 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 80.438483][ T5730] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.438492][ T5730] Call Trace: [ 80.438499][ T5730] [ 80.438505][ T5730] dump_stack_lvl+0x100/0x190 [ 80.438528][ T5730] should_fail_ex.cold+0x5/0xa [ 80.438548][ T5730] should_failslab+0xc2/0x120 [ 80.438571][ T5730] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.438593][ T5730] ? jbd2__journal_start+0x194/0x6a0 [ 80.438611][ T5730] jbd2__journal_start+0x194/0x6a0 [ 80.438634][ T5730] __ext4_journal_start_sb+0x367/0x670 [ 80.438658][ T5730] ? ext4_dirty_inode+0xa1/0x130 [ 80.438685][ T5730] ? __pfx_ext4_dirty_inode+0x10/0x10 [ 80.438705][ T5730] ext4_dirty_inode+0xa1/0x130 [ 80.438721][ T5730] ? rcu_is_watching+0x12/0xc0 [ 80.438734][ T5730] __mark_inode_dirty+0x1f3/0x16e0 [ 80.438753][ T5730] file_update_time_flags+0x46b/0x500 [ 80.438769][ T5730] ext4_page_mkwrite+0x324/0x1850 [ 80.438789][ T5730] ? __pfx_ext4_page_mkwrite+0x10/0x10 [ 80.438806][ T5730] ? __pfx_filemap_map_pages+0x10/0x10 [ 80.438817][ T5730] ? lruvec_stat_mod_folio+0x22d/0x2e0 [ 80.438833][ T5730] do_page_mkwrite+0x17a/0x440 [ 80.438848][ T5730] ? __pfx_filemap_map_pages+0x10/0x10 [ 80.438858][ T5730] do_fault+0x3b5/0x1750 [ 80.438876][ T5730] __handle_mm_fault+0x187d/0x2a00 [ 80.438890][ T5730] ? reacquire_held_locks+0xce/0x1e0 [ 80.438907][ T5730] ? __pfx___handle_mm_fault+0x10/0x10 [ 80.438920][ T5730] ? lock_vma_under_rcu+0x17c/0x590 [ 80.438939][ T5730] handle_mm_fault+0x37b/0xa30 [ 80.438953][ T5730] do_user_addr_fault+0x5a3/0x12f0 [ 80.438971][ T5730] exc_page_fault+0x6f/0xd0 [ 80.438985][ T5730] asm_exc_page_fault+0x26/0x30 [ 80.438996][ T5730] RIP: 0023:0xf708cdae [ 80.439007][ T5730] Code: e5 03 0f 85 02 01 00 00 ba 04 00 00 00 89 d8 e8 68 c6 fe ff 8b 43 20 8b 4c 24 3c 83 43 18 04 8d 50 fc 89 53 20 ba 08 00 00 00 <89> 48 fc 89 d8 8b 73 18 e8 45 c6 fe ff 8b 43 24 ba 06 00 00 00 89 [ 80.439018][ T5730] RSP: 002b:00000000ffa446e0 EFLAGS: 00010202 [ 80.439032][ T5730] RAX: 00000000f0c41d28 RBX: 00000000ffa447cc RCX: 00000000000003e6 [ 80.439039][ T5730] RDX: 0000000000000008 RSI: 00000000ffffad28 RDI: 00000000000052d8 [ 80.439046][ T5730] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 80.439052][ T5730] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 80.439058][ T5730] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 80.439074][ T5730] [ 80.445836][ T5823] FAULT_INJECTION: forcing a failure. [ 80.445836][ T5823] name failslab, interval 1, probability 10, space 0, times 51 [ 80.449317][ T5155] FAULT_INJECTION: forcing a failure. [ 80.449317][ T5155] name failslab, interval 1, probability 10, space 0, times 51 [ 80.450090][ T6163] FAULT_INJECTION: forcing a failure. [ 80.450090][ T6163] name failslab, interval 1, probability 10, space 0, times 51 [ 80.451738][ T5155] CPU: 3 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.451752][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.451759][ T5155] Call Trace: [ 80.451764][ T5155] [ 80.451768][ T5155] dump_stack_lvl+0x100/0x190 [ 80.451783][ T5155] should_fail_ex.cold+0x5/0xa [ 80.451796][ T5155] should_failslab+0xc2/0x120 [ 80.451813][ T5155] kmem_cache_alloc_lru_noprof+0x8d/0x6a0 [ 80.451827][ T5155] ? __d_alloc+0x35/0xa50 [ 80.451842][ T5155] __d_alloc+0x35/0xa50 [ 80.451855][ T5155] d_alloc+0x4a/0x1e0 [ 80.451868][ T5155] lookup_one_qstr_excl+0x171/0x250 [ 80.451882][ T5155] ? mnt_want_write+0x161/0x410 [ 80.451899][ T5155] filename_unlinkat+0x275/0x730 [ 80.451912][ T5155] ? __might_fault+0xc5/0x140 [ 80.451924][ T5155] ? __pfx_filename_unlinkat+0x10/0x10 [ 80.451941][ T5155] ? do_getname+0x191/0x390 [ 80.451956][ T5155] __x64_sys_unlink+0x46/0x70 [ 80.451968][ T5155] do_syscall_64+0x115/0x840 [ 80.451981][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.451994][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.452006][ T5155] RIP: 0033:0x7f387ff15937 [ 80.452016][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.452027][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.452038][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.452045][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.452051][ T5155] RBP: 0000000000000000 R08: 0000000004c9f9ec R09: 0000000000000001 [ 80.452058][ T5155] R10: 0000000000003a0c R11: 0000000000000202 R12: 0000000000000000 [ 80.452068][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.452082][ T5155] [ 80.452122][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.454724][ T5823] CPU: 1 UID: 0 PID: 5823 Comm: kworker/u32:3 Not tainted syzkaller #0 PREEMPT(full) [ 80.454739][ T5823] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.454747][ T5823] Workqueue: netns cleanup_net [ 80.454767][ T5823] Call Trace: [ 80.454771][ T5823] [ 80.454775][ T5823] dump_stack_lvl+0x100/0x190 [ 80.454789][ T5823] should_fail_ex.cold+0x5/0xa [ 80.454803][ T5823] should_failslab+0xc2/0x120 [ 80.454818][ T5823] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.454833][ T5823] ? __alloc_skb+0x140/0x710 [ 80.454849][ T5823] __alloc_skb+0x140/0x710 [ 80.454862][ T5823] ? __alloc_skb+0x5b7/0x710 [ 80.454875][ T5823] ? __pfx___alloc_skb+0x10/0x10 [ 80.454893][ T5823] inet6_ifmcaddr_notify+0xd6/0x1d0 [ 80.454907][ T5823] ? __pfx_inet6_ifmcaddr_notify+0x10/0x10 [ 80.454927][ T5823] __ipv6_dev_mc_dec+0x297/0x340 [ 80.454946][ T5823] ipv6_mc_destroy_dev+0x2cd/0x690 [ 80.454957][ T5823] ? __local_bh_enable_ip+0x9e/0x120 [ 80.454971][ T5823] addrconf_ifdown.isra.0+0x148a/0x1b70 [ 80.454984][ T5823] ? trace_contention_end+0x126/0x160 [ 80.455000][ T5823] ? __pfx_addrconf_ifdown.isra.0+0x10/0x10 [ 80.455019][ T5823] addrconf_notify+0x4a3/0x1ba0 [ 80.455049][ T5823] ? __pfx_tls_dev_event+0x10/0x10 [ 80.455067][ T5823] ? __pfx_addrconf_notify+0x10/0x10 [ 80.455083][ T5823] ? ip6mr_device_event+0x1c4/0x230 [ 80.455100][ T5823] notifier_call_chain+0x99/0x3f0 [ 80.455117][ T5823] call_netdevice_notifiers_info+0xbe/0x110 [ 80.455136][ T5823] unregister_netdevice_many_notify+0x1141/0x2140 [ 80.455157][ T5823] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 80.455175][ T5823] ? unregister_netdevice_queue+0x22e/0x3c0 [ 80.455191][ T5823] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 80.455212][ T5823] default_device_exit_batch+0x926/0xc10 [ 80.455231][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.455249][ T5823] ? __pfx___might_resched+0x10/0x10 [ 80.455267][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.455285][ T5823] ops_undo_list+0x363/0xab0 [ 80.455303][ T5823] ? __pfx_ops_undo_list+0x10/0x10 [ 80.455318][ T5823] ? cleanup_net+0x332/0x920 [ 80.455334][ T5823] ? idr_destroy+0x62/0x2e0 [ 80.455347][ T5823] cleanup_net+0x499/0x920 [ 80.455373][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.455392][ T5823] ? rcu_is_watching+0x12/0xc0 [ 80.455407][ T5823] process_one_work+0xa23/0x1940 [ 80.455429][ T5823] ? __pfx_process_one_work+0x10/0x10 [ 80.455449][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.455467][ T5823] worker_thread+0x5ef/0xe50 [ 80.455487][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.455503][ T5823] ? kthread+0x13a/0x450 [ 80.455516][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.455530][ T5823] kthread+0x370/0x450 [ 80.455544][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.455559][ T5823] ret_from_fork+0x72b/0xd50 [ 80.455573][ T5823] ? __pfx_ret_from_fork+0x10/0x10 [ 80.455587][ T5823] ? __switch_to+0x800/0x10f0 [ 80.455604][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.455619][ T5823] ret_from_fork_asm+0x1a/0x30 [ 80.455641][ T5823] [ 80.457341][ T6163] CPU: 0 UID: 0 PID: 6163 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 80.457363][ T6163] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.457372][ T6163] Call Trace: [ 80.457379][ T6163] [ 80.457385][ T6163] dump_stack_lvl+0x100/0x190 [ 80.457407][ T6163] should_fail_ex.cold+0x5/0xa [ 80.457425][ T6163] should_failslab+0xc2/0x120 [ 80.457446][ T6163] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.457465][ T6163] ? stack_trace_save+0x8e/0xc0 [ 80.457486][ T6163] ? alloc_empty_file+0x5b/0x1c0 [ 80.457510][ T6163] alloc_empty_file+0x5b/0x1c0 [ 80.457530][ T6163] path_openat+0xe7/0x4280 [ 80.457545][ T6163] ? kasan_save_track+0x14/0x30 [ 80.457564][ T6163] ? __kasan_slab_alloc+0x89/0x90 [ 80.457583][ T6163] ? kmem_cache_alloc_noprof+0x26b/0x6a0 [ 80.457601][ T6163] ? do_getname+0x35/0x390 [ 80.457618][ T6163] ? do_sys_openat2+0xc7/0x1e0 [ 80.457637][ T6163] ? __ia32_compat_sys_openat+0x12d/0x210 [ 80.457657][ T6163] ? __do_fast_syscall_32+0xe7/0x970 [ 80.457684][ T6163] ? __pfx_path_openat+0x10/0x10 [ 80.457706][ T6163] do_file_open+0x20e/0x430 [ 80.457722][ T6163] ? __lock_acquire+0x49f/0x1a40 [ 80.457747][ T6163] ? __pfx_do_file_open+0x10/0x10 [ 80.457778][ T6163] ? _raw_spin_unlock+0x28/0x50 [ 80.457793][ T6163] ? alloc_fd+0x471/0x7a0 [ 80.457815][ T6163] do_sys_openat2+0x10f/0x1e0 [ 80.457835][ T6163] ? __pfx_do_sys_openat2+0x10/0x10 [ 80.457857][ T6163] ? kmem_cache_free+0x127/0x6b0 [ 80.457874][ T6163] ? __pfx_path_umount+0x10/0x10 [ 80.457894][ T6163] __ia32_compat_sys_openat+0x12d/0x210 [ 80.457917][ T6163] ? __pfx___ia32_compat_sys_openat+0x10/0x10 [ 80.457945][ T6163] ? __pfx___ia32_sys_umount+0x10/0x10 [ 80.457968][ T6163] __do_fast_syscall_32+0xe7/0x970 [ 80.457990][ T6163] do_fast_syscall_32+0x32/0x70 [ 80.458010][ T6163] entry_SYSENTER_compat_after_hwframe+0x84/0x8e [ 80.458029][ T6163] RIP: 0023:0xf7f12fec [ 80.458043][ T6163] Code: d2 74 05 c1 e8 0c 89 02 8b 5d fc 31 c0 c9 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 2e 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 58 b8 [ 80.458059][ T6163] RSP: 002b:00000000ff974230 EFLAGS: 00000206 ORIG_RAX: 0000000000000127 [ 80.458075][ T6163] RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 00000000ff9753a0 [ 80.458086][ T6163] RDX: 0000000000098800 RSI: 0000000000000000 RDI: 00000000f73a6ff4 [ 80.458096][ T6163] RBP: 00000000ff9753a0 R08: 0000000000000000 R09: 0000000000000000 [ 80.458106][ T6163] R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 [ 80.458115][ T6163] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 80.458136][ T6163] [ 80.484035][ T140] FAULT_INJECTION: forcing a failure. [ 80.484035][ T140] name failslab, interval 1, probability 10, space 0, times 39 [ 80.484849][ T5155] FAULT_INJECTION: forcing a failure. [ 80.484849][ T5155] name failslab, interval 1, probability 10, space 0, times 39 [ 80.487454][ T140] CPU: 0 UID: 0 PID: 140 Comm: kworker/u33:5 Not tainted syzkaller #0 PREEMPT(full) [ 80.487480][ T140] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.487493][ T140] Workqueue: events_unbound nsim_dev_trap_report_work [ 80.487526][ T140] Call Trace: [ 80.487534][ T140] [ 80.487542][ T140] dump_stack_lvl+0x100/0x190 [ 80.487566][ T140] should_fail_ex.cold+0x5/0xa [ 80.487587][ T140] should_failslab+0xc2/0x120 [ 80.487613][ T140] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.487638][ T140] ? __alloc_skb+0x140/0x710 [ 80.487667][ T140] __alloc_skb+0x140/0x710 [ 80.487688][ T140] ? __alloc_skb+0x5b7/0x710 [ 80.487711][ T140] ? __pfx___alloc_skb+0x10/0x10 [ 80.487730][ T140] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 80.487751][ T140] ? do_raw_spin_unlock+0x145/0x1e0 [ 80.487776][ T140] nsim_dev_trap_report_work+0x2af/0xd20 [ 80.487812][ T140] process_one_work+0xa23/0x1940 [ 80.487849][ T140] ? __pfx_process_one_work+0x10/0x10 [ 80.487883][ T140] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 80.487911][ T140] worker_thread+0x5ef/0xe50 [ 80.487952][ T140] ? kthread+0x13a/0x450 [ 80.487975][ T140] ? __pfx_worker_thread+0x10/0x10 [ 80.487995][ T140] kthread+0x370/0x450 [ 80.488017][ T140] ? __pfx_kthread+0x10/0x10 [ 80.488040][ T140] ret_from_fork+0x72b/0xd50 [ 80.488064][ T140] ? __pfx_ret_from_fork+0x10/0x10 [ 80.488087][ T140] ? __switch_to+0x800/0x10f0 [ 80.488114][ T140] ? __pfx_kthread+0x10/0x10 [ 80.488136][ T140] ret_from_fork_asm+0x1a/0x30 [ 80.488172][ T140] [ 80.488754][ T140] FAULT_INJECTION: forcing a failure. [ 80.488754][ T140] name failslab, interval 1, probability 10, space 0, times 35 [ 80.489144][ T5155] CPU: 3 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.489159][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.489165][ T5155] Call Trace: [ 80.489170][ T5155] [ 80.489174][ T5155] dump_stack_lvl+0x100/0x190 [ 80.489189][ T5155] should_fail_ex.cold+0x5/0xa [ 80.489216][ T5155] should_failslab+0xc2/0x120 [ 80.489235][ T5155] kmem_cache_alloc_lru_noprof+0x8d/0x6a0 [ 80.489250][ T5155] ? __d_alloc+0x35/0xa50 [ 80.489264][ T5155] __d_alloc+0x35/0xa50 [ 80.489284][ T5155] d_alloc+0x4a/0x1e0 [ 80.489303][ T5155] lookup_one_qstr_excl+0x171/0x250 [ 80.489324][ T5155] ? mnt_want_write+0x161/0x410 [ 80.489351][ T5155] filename_unlinkat+0x275/0x730 [ 80.489369][ T5155] ? __might_fault+0xc5/0x140 [ 80.489388][ T5155] ? __pfx_filename_unlinkat+0x10/0x10 [ 80.489416][ T5155] ? do_getname+0x191/0x390 [ 80.489438][ T5155] __x64_sys_unlink+0x46/0x70 [ 80.489456][ T5155] do_syscall_64+0x115/0x840 [ 80.489475][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.489495][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.489513][ T5155] RIP: 0033:0x7f387ff15937 [ 80.489529][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.489545][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.489560][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.489569][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.489580][ T5155] RBP: 0000000000000000 R08: 0000000004ca84d3 R09: 0000000000000001 [ 80.489590][ T5155] R10: 0000000000003a14 R11: 0000000000000202 R12: 0000000000000000 [ 80.489600][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.489624][ T5155] [ 80.489671][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.490953][ T140] CPU: 0 UID: 0 PID: 140 Comm: kworker/u33:5 Not tainted syzkaller #0 PREEMPT(full) [ 80.490974][ T140] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.490986][ T140] Workqueue: events_unbound nsim_dev_trap_report_work [ 80.491012][ T140] Call Trace: [ 80.491019][ T140] [ 80.491026][ T140] dump_stack_lvl+0x100/0x190 [ 80.491048][ T140] should_fail_ex.cold+0x5/0xa [ 80.491068][ T140] should_failslab+0xc2/0x120 [ 80.491092][ T140] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.491116][ T140] ? __alloc_skb+0x140/0x710 [ 80.491143][ T140] __alloc_skb+0x140/0x710 [ 80.491163][ T140] ? __alloc_skb+0x5b7/0x710 [ 80.491184][ T140] ? __pfx___alloc_skb+0x10/0x10 [ 80.491208][ T140] ? kfree_skbmem+0x19f/0x210 [ 80.491229][ T140] nsim_dev_trap_report_work+0x2af/0xd20 [ 80.491267][ T140] process_one_work+0xa23/0x1940 [ 80.491304][ T140] ? __pfx_process_one_work+0x10/0x10 [ 80.491339][ T140] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 80.491367][ T140] worker_thread+0x5ef/0xe50 [ 80.491402][ T140] ? kthread+0x13a/0x450 [ 80.491423][ T140] ? __pfx_worker_thread+0x10/0x10 [ 80.491446][ T140] kthread+0x370/0x450 [ 80.491468][ T140] ? __pfx_kthread+0x10/0x10 [ 80.491493][ T140] ret_from_fork+0x72b/0xd50 [ 80.491516][ T140] ? __pfx_ret_from_fork+0x10/0x10 [ 80.491539][ T140] ? __switch_to+0x800/0x10f0 [ 80.491566][ T140] ? __pfx_kthread+0x10/0x10 [ 80.491592][ T140] ret_from_fork_asm+0x1a/0x30 [ 80.491629][ T140] [ 80.514454][ T29] FAULT_INJECTION: forcing a failure. [ 80.514454][ T29] name failslab, interval 1, probability 10, space 0, times 33 [ 80.516020][ T5155] FAULT_INJECTION: forcing a failure. [ 80.516020][ T5155] name failslab, interval 1, probability 10, space 0, times 33 [ 80.518987][ T29] CPU: 1 UID: 0 PID: 29 Comm: kworker/1:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.519009][ T29] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.519021][ T29] Workqueue: events nsim_fib_event_work [ 80.519062][ T29] Call Trace: [ 80.519069][ T29] [ 80.519076][ T29] dump_stack_lvl+0x100/0x190 [ 80.519098][ T29] should_fail_ex.cold+0x5/0xa [ 80.519129][ T29] should_failslab+0xc2/0x120 [ 80.519153][ T29] __kmalloc_cache_noprof+0x91/0x6c0 [ 80.519171][ T29] ? __kasan_kmalloc+0xaa/0xb0 [ 80.519192][ T29] ? nsim_fib6_rt_nh_add+0x4a/0x290 [ 80.519222][ T29] nsim_fib6_rt_nh_add+0x4a/0x290 [ 80.519249][ T29] nsim_fib_event_work+0x16ed/0x6310 [ 80.519275][ T29] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 80.519294][ T29] ? debug_object_deactivate+0x2e4/0x3b0 [ 80.519320][ T29] ? __pfx_nsim_fib_event_work+0x10/0x10 [ 80.519344][ T29] ? rcu_is_watching+0x12/0xc0 [ 80.519368][ T29] process_one_work+0xa23/0x1940 [ 80.519408][ T29] ? __pfx_process_one_work+0x10/0x10 [ 80.519439][ T29] ? __pfx_nsim_fib_event_work+0x10/0x10 [ 80.519458][ T29] worker_thread+0x5ef/0xe50 [ 80.519490][ T29] ? kthread+0x13a/0x450 [ 80.519510][ T29] ? __pfx_worker_thread+0x10/0x10 [ 80.519531][ T29] kthread+0x370/0x450 [ 80.519553][ T29] ? __pfx_kthread+0x10/0x10 [ 80.519575][ T29] ret_from_fork+0x72b/0xd50 [ 80.519597][ T29] ? __pfx_ret_from_fork+0x10/0x10 [ 80.519632][ T29] ? __switch_to+0x800/0x10f0 [ 80.519658][ T29] ? __pfx_kthread+0x10/0x10 [ 80.519681][ T29] ret_from_fork_asm+0x1a/0x30 [ 80.519717][ T29] [ 80.590709][ T140] FAULT_INJECTION: forcing a failure. [ 80.590709][ T140] name failslab, interval 1, probability 10, space 0, times 32 [ 80.591838][ T5155] CPU: 3 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.591854][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.591861][ T5155] Call Trace: [ 80.591867][ T5155] [ 80.591873][ T5155] dump_stack_lvl+0x100/0x190 [ 80.591889][ T5155] should_fail_ex.cold+0x5/0xa [ 80.591902][ T5155] should_failslab+0xc2/0x120 [ 80.591918][ T5155] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.591933][ T5155] ? do_getname+0x35/0x390 [ 80.591949][ T5155] do_getname+0x35/0x390 [ 80.591964][ T5155] __x64_sys_unlink+0x36/0x70 [ 80.591977][ T5155] do_syscall_64+0x115/0x840 [ 80.591990][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.592004][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.592015][ T5155] RIP: 0033:0x7f387ff15937 [ 80.592027][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.592038][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.592049][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.592056][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.592067][ T5155] RBP: 0000000000000000 R08: 0000000004cafe9d R09: 0000000000000001 [ 80.592074][ T5155] R10: 0000000000003a1a R11: 0000000000000202 R12: 0000000000000000 [ 80.592080][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.592094][ T5155] [ 80.592136][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.593645][ T5823] FAULT_INJECTION: forcing a failure. [ 80.593645][ T5823] name failslab, interval 1, probability 10, space 0, times 31 [ 80.593669][ T140] CPU: 2 UID: 0 PID: 140 Comm: kworker/u33:5 Not tainted syzkaller #0 PREEMPT(full) [ 80.593684][ T140] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.593692][ T140] Workqueue: events_unbound cfg80211_wiphy_work [ 80.593725][ T140] Call Trace: [ 80.593730][ T140] [ 80.593734][ T140] dump_stack_lvl+0x100/0x190 [ 80.593748][ T140] should_fail_ex.cold+0x5/0xa [ 80.593761][ T140] should_failslab+0xc2/0x120 [ 80.593777][ T140] __kmalloc_noprof+0xfc/0x820 [ 80.593797][ T140] ? ieee802_11_parse_elems_full+0x17c/0x3bc0 [ 80.593820][ T140] ieee802_11_parse_elems_full+0x17c/0x3bc0 [ 80.593842][ T140] ? __mod_timer+0x40e/0xca0 [ 80.593868][ T140] ? __lock_acquire+0x49f/0x1a40 [ 80.593898][ T140] ? sta_get_last_rx_stats+0x1ad/0x3a0 [ 80.593922][ T140] ? __pfx_round_jiffies+0x10/0x10 [ 80.593928][ T61] FAULT_INJECTION: forcing a failure. [ 80.593928][ T61] name failslab, interval 1, probability 10, space 0, times 30 [ 80.593949][ T140] ? __pfx_ieee802_11_parse_elems_full+0x10/0x10 [ 80.593986][ T140] ? rcu_is_watching+0x12/0xc0 [ 80.594012][ T140] ieee80211_ibss_rx_queued_mgmt+0xc96/0x1c70 [ 80.594035][ T140] ? do_raw_spin_lock+0x128/0x260 [ 80.594048][ T140] ? __pfx_ieee80211_ibss_rx_queued_mgmt+0x10/0x10 [ 80.594084][ T140] ieee80211_iface_work+0xa9a/0x1070 [ 80.594115][ T140] cfg80211_wiphy_work+0x2b7/0x550 [ 80.594143][ T140] process_one_work+0xa23/0x1940 [ 80.594176][ T140] ? __pfx_process_one_work+0x10/0x10 [ 80.594207][ T140] ? __pfx_cfg80211_wiphy_work+0x10/0x10 [ 80.594233][ T140] worker_thread+0x5ef/0xe50 [ 80.594266][ T140] ? kthread+0x13a/0x450 [ 80.594286][ T140] ? __pfx_worker_thread+0x10/0x10 [ 80.594307][ T140] kthread+0x370/0x450 [ 80.594328][ T140] ? __pfx_kthread+0x10/0x10 [ 80.594351][ T140] ret_from_fork+0x72b/0xd50 [ 80.594366][ T140] ? __pfx_ret_from_fork+0x10/0x10 [ 80.594385][ T140] ? __switch_to+0x800/0x10f0 [ 80.594410][ T140] ? __pfx_kthread+0x10/0x10 [ 80.594434][ T140] ret_from_fork_asm+0x1a/0x30 [ 80.594460][ T140] [ 80.594467][ T61] CPU: 0 UID: 0 PID: 61 Comm: kworker/u33:3 Not tainted syzkaller #0 PREEMPT(full) [ 80.594482][ T61] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.594490][ T61] Workqueue: events_unbound nsim_dev_trap_report_work [ 80.594508][ T61] Call Trace: [ 80.594512][ T61] [ 80.594517][ T61] dump_stack_lvl+0x100/0x190 [ 80.594530][ T61] should_fail_ex.cold+0x5/0xa [ 80.594542][ T61] should_failslab+0xc2/0x120 [ 80.594557][ T61] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.594572][ T61] ? __alloc_skb+0x140/0x710 [ 80.594589][ T61] __alloc_skb+0x140/0x710 [ 80.594601][ T61] ? __alloc_skb+0x5b7/0x710 [ 80.594615][ T61] ? __pfx___alloc_skb+0x10/0x10 [ 80.594628][ T61] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 80.594640][ T61] ? __pfx___might_resched+0x10/0x10 [ 80.594659][ T61] nsim_dev_trap_report_work+0x2af/0xd20 [ 80.594680][ T61] process_one_work+0xa23/0x1940 [ 80.594702][ T61] ? __pfx_process_one_work+0x10/0x10 [ 80.594722][ T61] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 80.594738][ T61] worker_thread+0x5ef/0xe50 [ 80.594756][ T61] ? __pfx_worker_thread+0x10/0x10 [ 80.594772][ T61] ? kthread+0x13a/0x450 [ 80.594785][ T61] ? __pfx_worker_thread+0x10/0x10 [ 80.594800][ T61] kthread+0x370/0x450 [ 80.594813][ T61] ? __pfx_kthread+0x10/0x10 [ 80.594828][ T61] ret_from_fork+0x72b/0xd50 [ 80.594842][ T61] ? __pfx_ret_from_fork+0x10/0x10 [ 80.594856][ T61] ? __switch_to+0x800/0x10f0 [ 80.594872][ T61] ? __pfx_kthread+0x10/0x10 [ 80.594887][ T61] ret_from_fork_asm+0x1a/0x30 [ 80.594908][ T61] [ 80.594983][ T61] FAULT_INJECTION: forcing a failure. [ 80.594983][ T61] name failslab, interval 1, probability 10, space 0, times 28 [ 80.594996][ T61] CPU: 0 UID: 0 PID: 61 Comm: kworker/u33:3 Not tainted syzkaller #0 PREEMPT(full) [ 80.595007][ T61] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.595014][ T61] Workqueue: events_unbound nsim_dev_trap_report_work [ 80.595028][ T61] Call Trace: [ 80.595032][ T61] [ 80.595036][ T61] dump_stack_lvl+0x100/0x190 [ 80.595048][ T61] should_fail_ex.cold+0x5/0xa [ 80.595059][ T61] should_failslab+0xc2/0x120 [ 80.595074][ T61] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.595089][ T61] ? __alloc_skb+0x140/0x710 [ 80.595104][ T61] __alloc_skb+0x140/0x710 [ 80.595117][ T61] ? __alloc_skb+0x5b7/0x710 [ 80.595131][ T61] ? __pfx___alloc_skb+0x10/0x10 [ 80.595159][ T61] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 80.595172][ T61] ? __pfx___might_resched+0x10/0x10 [ 80.595191][ T61] nsim_dev_trap_report_work+0x2af/0xd20 [ 80.595212][ T61] process_one_work+0xa23/0x1940 [ 80.595244][ T61] ? __pfx_process_one_work+0x10/0x10 [ 80.595266][ T61] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 80.595283][ T61] worker_thread+0x5ef/0xe50 [ 80.595302][ T61] ? __pfx_worker_thread+0x10/0x10 [ 80.595312][ T5155] FAULT_INJECTION: forcing a failure. [ 80.595312][ T5155] name failslab, interval 1, probability 10, space 0, times 28 [ 80.595317][ T61] ? kthread+0x13a/0x450 [ 80.595331][ T61] ? __pfx_worker_thread+0x10/0x10 [ 80.595345][ T61] kthread+0x370/0x450 [ 80.595361][ T61] ? __pfx_kthread+0x10/0x10 [ 80.595376][ T61] ret_from_fork+0x72b/0xd50 [ 80.595389][ T61] ? __pfx_ret_from_fork+0x10/0x10 [ 80.595403][ T61] ? __switch_to+0x800/0x10f0 [ 80.595419][ T61] ? __pfx_kthread+0x10/0x10 [ 80.595434][ T61] ret_from_fork_asm+0x1a/0x30 [ 80.595455][ T61] [ 80.595504][ T61] FAULT_INJECTION: forcing a failure. [ 80.595504][ T61] name failslab, interval 1, probability 10, space 0, times 27 [ 80.595518][ T61] CPU: 0 UID: 0 PID: 61 Comm: kworker/u33:3 Not tainted syzkaller #0 PREEMPT(full) [ 80.595529][ T61] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.595536][ T61] Workqueue: events_unbound nsim_dev_trap_report_work [ 80.595551][ T61] Call Trace: [ 80.595555][ T61] [ 80.595559][ T61] dump_stack_lvl+0x100/0x190 [ 80.595571][ T61] should_fail_ex.cold+0x5/0xa [ 80.595582][ T61] should_failslab+0xc2/0x120 [ 80.595597][ T61] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.595611][ T61] ? __alloc_skb+0x140/0x710 [ 80.595627][ T61] __alloc_skb+0x140/0x710 [ 80.595640][ T61] ? __alloc_skb+0x5b7/0x710 [ 80.595653][ T61] ? __pfx___alloc_skb+0x10/0x10 [ 80.595666][ T61] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 80.595678][ T61] ? __pfx___might_resched+0x10/0x10 [ 80.595696][ T61] nsim_dev_trap_report_work+0x2af/0xd20 [ 80.595717][ T61] process_one_work+0xa23/0x1940 [ 80.595738][ T61] ? __pfx_process_one_work+0x10/0x10 [ 80.595757][ T61] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 80.595774][ T61] worker_thread+0x5ef/0xe50 [ 80.595792][ T61] ? __pfx_worker_thread+0x10/0x10 [ 80.595808][ T61] ? kthread+0x13a/0x450 [ 80.595821][ T61] ? __pfx_worker_thread+0x10/0x10 [ 80.595836][ T61] kthread+0x370/0x450 [ 80.595849][ T61] ? __pfx_kthread+0x10/0x10 [ 80.595864][ T61] ret_from_fork+0x72b/0xd50 [ 80.595877][ T61] ? __pfx_ret_from_fork+0x10/0x10 [ 80.595891][ T61] ? __switch_to+0x800/0x10f0 [ 80.595908][ T61] ? __pfx_kthread+0x10/0x10 [ 80.595922][ T61] ret_from_fork_asm+0x1a/0x30 [ 80.595957][ T61] [ 80.597030][ T5823] CPU: 1 UID: 0 PID: 5823 Comm: kworker/u32:3 Not tainted syzkaller #0 PREEMPT(full) [ 80.597045][ T5823] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.597053][ T5823] Workqueue: netns cleanup_net [ 80.597071][ T5823] Call Trace: [ 80.597075][ T5823] [ 80.597080][ T5823] dump_stack_lvl+0x100/0x190 [ 80.597093][ T5823] should_fail_ex.cold+0x5/0xa [ 80.597105][ T5823] should_failslab+0xc2/0x120 [ 80.597120][ T5823] __kmalloc_cache_noprof+0x91/0x6c0 [ 80.597133][ T5823] ? addr_event.isra.0+0xcc/0x560 [ 80.597153][ T5823] addr_event.isra.0+0xcc/0x560 [ 80.597171][ T5823] inetaddr_event+0xf3/0x150 [ 80.597188][ T5823] ? __pfx_inetaddr_event+0x10/0x10 [ 80.597190][ T61] FAULT_INJECTION: forcing a failure. [ 80.597190][ T61] name failslab, interval 1, probability 10, space 0, times 26 [ 80.597225][ T5823] ? down_read+0x13b/0x4c0 [ 80.597243][ T5823] notifier_call_chain+0x99/0x3f0 [ 80.597261][ T5823] blocking_notifier_call_chain+0x69/0xa0 [ 80.597277][ T5823] __inet_del_ifa+0x3df/0xf40 [ 80.597294][ T5823] inetdev_event+0x3e1/0x17f0 [ 80.597308][ T5823] ? ib_netdevice_event+0xfc/0x330 [ 80.597320][ T5823] ? __pfx_inetdev_event+0x10/0x10 [ 80.597334][ T5823] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 80.597352][ T5823] notifier_call_chain+0x99/0x3f0 [ 80.597369][ T5823] call_netdevice_notifiers_info+0xbe/0x110 [ 80.597393][ T5823] unregister_netdevice_many_notify+0x1141/0x2140 [ 80.597415][ T5823] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 80.597432][ T5823] ? unregister_netdevice_queue+0x22e/0x3c0 [ 80.597449][ T5823] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 80.597469][ T5823] default_device_exit_batch+0x926/0xc10 [ 80.597489][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.597507][ T5823] ? __pfx___might_resched+0x10/0x10 [ 80.597525][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.597542][ T5823] ops_undo_list+0x363/0xab0 [ 80.597561][ T5823] ? __pfx_ops_undo_list+0x10/0x10 [ 80.597576][ T5823] ? cleanup_net+0x332/0x920 [ 80.597592][ T5823] ? idr_destroy+0x62/0x2e0 [ 80.597605][ T5823] cleanup_net+0x499/0x920 [ 80.597622][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.597641][ T5823] ? rcu_is_watching+0x12/0xc0 [ 80.597657][ T5823] process_one_work+0xa23/0x1940 [ 80.597678][ T5823] ? __pfx_process_one_work+0x10/0x10 [ 80.597698][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.597716][ T5823] worker_thread+0x5ef/0xe50 [ 80.597735][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.597751][ T5823] ? kthread+0x13a/0x450 [ 80.597765][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.597779][ T5823] kthread+0x370/0x450 [ 80.597793][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.597808][ T5823] ret_from_fork+0x72b/0xd50 [ 80.597822][ T5823] ? __pfx_ret_from_fork+0x10/0x10 [ 80.597836][ T5823] ? __switch_to+0x800/0x10f0 [ 80.597852][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.597867][ T5823] ret_from_fork_asm+0x1a/0x30 [ 80.597889][ T5823] [ 80.598496][ T5155] CPU: 3 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.598510][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.598517][ T5155] Call Trace: [ 80.598520][ T5155] [ 80.598524][ T5155] dump_stack_lvl+0x100/0x190 [ 80.598537][ T5155] should_fail_ex.cold+0x5/0xa [ 80.598560][ T5155] should_failslab+0xc2/0x120 [ 80.598578][ T5155] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.598592][ T5155] ? do_getname+0x35/0x390 [ 80.598607][ T5155] do_getname+0x35/0x390 [ 80.598621][ T5155] __x64_sys_unlink+0x36/0x70 [ 80.598634][ T5155] do_syscall_64+0x115/0x840 [ 80.598646][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.598660][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.598670][ T5155] RIP: 0033:0x7f387ff15937 [ 80.598680][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.598691][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.598702][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.598709][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.598716][ T5155] RBP: 0000000000000000 R08: 0000000004cc345a R09: 0000000000000001 [ 80.598722][ T5155] R10: 0000000000003a2a R11: 0000000000000202 R12: 0000000000000000 [ 80.598729][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.598742][ T5155] [ 80.598773][ T5155] FAULT_INJECTION: forcing a failure. [ 80.598773][ T5155] name failslab, interval 1, probability 10, space 0, times 24 [ 80.599496][ T61] CPU: 0 UID: 0 PID: 61 Comm: kworker/u33:3 Not tainted syzkaller #0 PREEMPT(full) [ 80.599510][ T61] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.599517][ T61] Workqueue: events_unbound nsim_dev_trap_report_work [ 80.599534][ T61] Call Trace: [ 80.599538][ T61] [ 80.599542][ T61] dump_stack_lvl+0x100/0x190 [ 80.599555][ T61] should_fail_ex.cold+0x5/0xa [ 80.599567][ T61] should_failslab+0xc2/0x120 [ 80.599582][ T61] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.599597][ T61] ? __alloc_skb+0x140/0x710 [ 80.599613][ T61] __alloc_skb+0x140/0x710 [ 80.599626][ T61] ? __alloc_skb+0x5b7/0x710 [ 80.599639][ T61] ? __pfx___alloc_skb+0x10/0x10 [ 80.599654][ T61] ? kfree_skbmem+0x19f/0x210 [ 80.599666][ T61] nsim_dev_trap_report_work+0x2af/0xd20 [ 80.599687][ T61] process_one_work+0xa23/0x1940 [ 80.599708][ T61] ? __pfx_process_one_work+0x10/0x10 [ 80.599728][ T61] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 80.599744][ T61] worker_thread+0x5ef/0xe50 [ 80.599763][ T61] ? __pfx_worker_thread+0x10/0x10 [ 80.599779][ T61] ? kthread+0x13a/0x450 [ 80.599792][ T61] ? __pfx_worker_thread+0x10/0x10 [ 80.599806][ T61] kthread+0x370/0x450 [ 80.599820][ T61] ? __pfx_kthread+0x10/0x10 [ 80.599835][ T61] ret_from_fork+0x72b/0xd50 [ 80.599849][ T61] ? __pfx_ret_from_fork+0x10/0x10 [ 80.599863][ T61] ? __switch_to+0x800/0x10f0 [ 80.599879][ T61] ? __pfx_kthread+0x10/0x10 [ 80.599894][ T61] ret_from_fork_asm+0x1a/0x30 [ 80.599915][ T61] [ 80.601238][ T5823] FAULT_INJECTION: forcing a failure. [ 80.601238][ T5823] name failslab, interval 1, probability 10, space 0, times 23 [ 80.603120][ T5155] CPU: 3 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.603133][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.603152][ T5155] Call Trace: [ 80.603155][ T5155] [ 80.603160][ T5155] dump_stack_lvl+0x100/0x190 [ 80.603173][ T5155] should_fail_ex.cold+0x5/0xa [ 80.603185][ T5155] should_failslab+0xc2/0x120 [ 80.603199][ T5155] __kmalloc_noprof+0xfc/0x820 [ 80.603213][ T5155] ? devkmsg_write+0xfb/0x330 [ 80.603229][ T5155] devkmsg_write+0xfb/0x330 [ 80.603241][ T5155] ? __pfx_aa_file_perm+0x10/0x10 [ 80.603258][ T5155] ? __pfx_devkmsg_write+0x10/0x10 [ 80.603275][ T5155] do_iter_readv_writev+0x6f7/0x930 [ 80.603293][ T5155] ? __pfx_do_iter_readv_writev+0x10/0x10 [ 80.603311][ T5155] ? bpf_lsm_file_permission+0x9/0x10 [ 80.603321][ T5155] ? security_file_permission+0x76/0x210 [ 80.603337][ T5155] ? rw_verify_area+0xce/0x6d0 [ 80.603354][ T5155] vfs_writev+0x360/0xdd0 [ 80.603373][ T5155] ? __pfx_vfs_writev+0x10/0x10 [ 80.603398][ T5155] ? filename_unlinkat+0x146/0x730 [ 80.603414][ T5155] ? do_writev+0x13e/0x340 [ 80.603429][ T5155] do_writev+0x13e/0x340 [ 80.603445][ T5155] ? __pfx_do_writev+0x10/0x10 [ 80.603464][ T5155] do_syscall_64+0x115/0x840 [ 80.603477][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.603490][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.603501][ T5155] RIP: 0033:0x7f387fea7407 [ 80.603510][ T5155] Code: 48 89 fa 4c 89 df e8 38 aa 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 [ 80.603521][ T5155] RSP: 002b:00007ffd252ef280 EFLAGS: 00000202 ORIG_RAX: 0000000000000014 [ 80.603531][ T5155] RAX: ffffffffffffffda RBX: 00007f38806a0880 RCX: 00007f387fea7407 [ 80.603537][ T5155] RDX: 0000000000000005 RSI: 00007ffd252ef340 RDI: 0000000000000005 [ 80.603544][ T5155] RBP: 00007ffd252ef470 R08: 0000000000000000 R09: 0000000000000000 [ 80.603550][ T5155] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd252ef340 [ 80.603557][ T5155] R13: 00007ffd252ef3d0 R14: 0000000000000000 R15: 00007ffd252ef3b0 [ 80.603570][ T5155] [ 80.603684][ T5155] FAULT_INJECTION: forcing a failure. [ 80.603684][ T5155] name failslab, interval 1, probability 10, space 0, times 22 [ 80.604275][ T9] FAULT_INJECTION: forcing a failure. [ 80.604275][ T9] name failslab, interval 1, probability 10, space 0, times 22 [ 80.604292][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.604305][ T9] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.604312][ T9] Workqueue: mld mld_ifc_work [ 80.604328][ T9] Call Trace: [ 80.604332][ T9] [ 80.604336][ T9] dump_stack_lvl+0x100/0x190 [ 80.604349][ T9] should_fail_ex.cold+0x5/0xa [ 80.604362][ T9] should_failslab+0xc2/0x120 [ 80.604377][ T9] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.604392][ T9] ? __alloc_skb+0x140/0x710 [ 80.604408][ T9] __alloc_skb+0x140/0x710 [ 80.604421][ T9] ? __alloc_skb+0x5b7/0x710 [ 80.604434][ T9] ? __pfx___alloc_skb+0x10/0x10 [ 80.604452][ T9] mld_newpack.isra.0+0x18e/0xa20 [ 80.604467][ T9] ? lock_acquire+0x1b9/0x370 [ 80.604485][ T9] ? __pfx_mld_newpack.isra.0+0x10/0x10 [ 80.604501][ T9] ? rcu_is_watching+0x12/0xc0 [ 80.604514][ T9] ? trace_contention_end+0x126/0x160 [ 80.604528][ T9] ? add_grhead+0x299/0x340 [ 80.604542][ T9] add_grhead+0x299/0x340 [ 80.604557][ T9] add_grec+0x1389/0x1930 [ 80.604576][ T9] ? __pfx_add_grec+0x10/0x10 [ 80.604595][ T9] mld_ifc_work+0x3c5/0xc10 [ 80.604610][ T9] ? rcu_is_watching+0x12/0xc0 [ 80.604625][ T9] process_one_work+0xa23/0x1940 [ 80.604646][ T9] ? __pfx_process_one_work+0x10/0x10 [ 80.604666][ T9] ? __pfx_mld_ifc_work+0x10/0x10 [ 80.604683][ T9] worker_thread+0x5ef/0xe50 [ 80.604703][ T9] ? kthread+0x13a/0x450 [ 80.604716][ T9] ? __pfx_worker_thread+0x10/0x10 [ 80.604731][ T9] kthread+0x370/0x450 [ 80.604745][ T9] ? __pfx_kthread+0x10/0x10 [ 80.604760][ T9] ret_from_fork+0x72b/0xd50 [ 80.604774][ T9] ? __pfx_ret_from_fork+0x10/0x10 [ 80.604788][ T9] ? __switch_to+0x800/0x10f0 [ 80.604804][ T9] ? __pfx_kthread+0x10/0x10 [ 80.604819][ T9] ret_from_fork_asm+0x1a/0x30 [ 80.604841][ T9] [ 80.604866][ T9] FAULT_INJECTION: forcing a failure. [ 80.604866][ T9] name failslab, interval 1, probability 10, space 0, times 21 [ 80.604879][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.604891][ T9] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.604897][ T9] Workqueue: mld mld_ifc_work [ 80.604911][ T9] Call Trace: [ 80.604915][ T9] [ 80.604919][ T9] dump_stack_lvl+0x100/0x190 [ 80.604931][ T9] should_fail_ex.cold+0x5/0xa [ 80.604948][ T9] should_failslab+0xc2/0x120 [ 80.604963][ T9] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.604977][ T9] ? dst_alloc+0x99/0x1a0 [ 80.604991][ T9] ? __pfx_ip6_dst_gc+0x10/0x10 [ 80.605008][ T9] dst_alloc+0x99/0x1a0 [ 80.605023][ T9] icmp6_dst_alloc+0x79/0x4f0 [ 80.605039][ T9] mld_sendpack+0x5ae/0xec0 [ 80.605057][ T9] ? __pfx_mld_sendpack+0x10/0x10 [ 80.605079][ T9] mld_ifc_work+0x75a/0xc10 [ 80.605094][ T9] ? rcu_is_watching+0x12/0xc0 [ 80.605109][ T9] process_one_work+0xa23/0x1940 [ 80.605130][ T9] ? __pfx_process_one_work+0x10/0x10 [ 80.605150][ T9] ? __pfx_mld_ifc_work+0x10/0x10 [ 80.605167][ T9] worker_thread+0x5ef/0xe50 [ 80.605188][ T9] ? kthread+0x13a/0x450 [ 80.605224][ T9] ? __pfx_worker_thread+0x10/0x10 [ 80.605240][ T9] kthread+0x370/0x450 [ 80.605254][ T9] ? __pfx_kthread+0x10/0x10 [ 80.605269][ T9] ret_from_fork+0x72b/0xd50 [ 80.605283][ T9] ? __pfx_ret_from_fork+0x10/0x10 [ 80.605297][ T9] ? __switch_to+0x800/0x10f0 [ 80.605313][ T9] ? __pfx_kthread+0x10/0x10 [ 80.605328][ T9] ret_from_fork_asm+0x1a/0x30 [ 80.605350][ T9] [ 80.606243][ T5823] CPU: 0 UID: 0 PID: 5823 Comm: kworker/u32:3 Not tainted syzkaller #0 PREEMPT(full) [ 80.606262][ T5823] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.606274][ T5823] Workqueue: netns cleanup_net [ 80.606300][ T5823] Call Trace: [ 80.606306][ T5823] [ 80.606312][ T5823] dump_stack_lvl+0x100/0x190 [ 80.606329][ T5823] should_fail_ex.cold+0x5/0xa [ 80.606350][ T5823] should_failslab+0xc2/0x120 [ 80.606372][ T5823] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.606397][ T5823] ? __alloc_skb+0x140/0x710 [ 80.606425][ T5823] __alloc_skb+0x140/0x710 [ 80.606441][ T5823] ? __alloc_skb+0x5b7/0x710 [ 80.606454][ T5823] ? __pfx___alloc_skb+0x10/0x10 [ 80.606469][ T5823] ? mpls_dev_notify+0x600/0x920 [ 80.606486][ T5823] mpls_netconf_notify_devconf+0x4a/0x100 [ 80.606501][ T5823] mpls_dev_notify+0x6ce/0x920 [ 80.606517][ T5823] notifier_call_chain+0x99/0x3f0 [ 80.606534][ T5823] call_netdevice_notifiers_info+0xbe/0x110 [ 80.606554][ T5823] unregister_netdevice_many_notify+0x1141/0x2140 [ 80.606575][ T5823] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 80.606592][ T5823] ? unregister_netdevice_queue+0x22e/0x3c0 [ 80.606609][ T5823] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 80.606630][ T5823] default_device_exit_batch+0x926/0xc10 [ 80.606649][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.606668][ T5823] ? __pfx___might_resched+0x10/0x10 [ 80.606685][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.606703][ T5823] ops_undo_list+0x363/0xab0 [ 80.606722][ T5823] ? __pfx_ops_undo_list+0x10/0x10 [ 80.606736][ T5823] ? cleanup_net+0x332/0x920 [ 80.606753][ T5823] ? idr_destroy+0x62/0x2e0 [ 80.606766][ T5823] cleanup_net+0x499/0x920 [ 80.606784][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.606802][ T5823] ? rcu_is_watching+0x12/0xc0 [ 80.606817][ T5823] process_one_work+0xa23/0x1940 [ 80.606839][ T5823] ? __pfx_process_one_work+0x10/0x10 [ 80.606859][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.606876][ T5823] worker_thread+0x5ef/0xe50 [ 80.606896][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.606912][ T5823] ? kthread+0x13a/0x450 [ 80.606925][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.606944][ T5823] kthread+0x370/0x450 [ 80.606958][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.606973][ T5823] ret_from_fork+0x72b/0xd50 [ 80.606987][ T5823] ? __pfx_ret_from_fork+0x10/0x10 [ 80.607001][ T5823] ? __switch_to+0x800/0x10f0 [ 80.607017][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.607032][ T5823] ret_from_fork_asm+0x1a/0x30 [ 80.607054][ T5823] [ 80.607281][ T29] FAULT_INJECTION: forcing a failure. [ 80.607281][ T29] name failslab, interval 1, probability 10, space 0, times 19 [ 80.608924][ T5155] CPU: 3 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.608937][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.608944][ T5155] Call Trace: [ 80.608948][ T5155] [ 80.608952][ T5155] dump_stack_lvl+0x100/0x190 [ 80.608965][ T5155] should_fail_ex.cold+0x5/0xa [ 80.608977][ T5155] should_failslab+0xc2/0x120 [ 80.608992][ T5155] kmem_cache_alloc_lru_noprof+0x8d/0x6a0 [ 80.609006][ T5155] ? __d_alloc+0x35/0xa50 [ 80.609021][ T5155] __d_alloc+0x35/0xa50 [ 80.609034][ T5155] d_alloc+0x4a/0x1e0 [ 80.609046][ T5155] lookup_one_qstr_excl+0x171/0x250 [ 80.609063][ T5155] ? mnt_want_write+0x161/0x410 [ 80.609080][ T5155] filename_unlinkat+0x275/0x730 [ 80.609092][ T5155] ? __might_fault+0xc5/0x140 [ 80.609105][ T5155] ? __pfx_filename_unlinkat+0x10/0x10 [ 80.609123][ T5155] ? do_getname+0x191/0x390 [ 80.609137][ T5155] __x64_sys_unlink+0x46/0x70 [ 80.609149][ T5155] do_syscall_64+0x115/0x840 [ 80.609162][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.609175][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.609186][ T5155] RIP: 0033:0x7f387ff15937 [ 80.609195][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.609223][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.609234][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.609241][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.609247][ T5155] RBP: 0000000000000000 R08: 0000000004cc5507 R09: 0000000000000001 [ 80.609254][ T5155] R10: 0000000000003a2a R11: 0000000000000202 R12: 0000000000000000 [ 80.609260][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.609274][ T5155] [ 80.610240][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.610365][ T5155] FAULT_INJECTION: forcing a failure. [ 80.610365][ T5155] name failslab, interval 1, probability 10, space 0, times 18 [ 80.611185][ T29] CPU: 1 UID: 0 PID: 29 Comm: kworker/1:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.611200][ T29] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.611208][ T29] Workqueue: events nsim_fib_event_work [ 80.611221][ T29] Call Trace: [ 80.611225][ T29] [ 80.611229][ T29] dump_stack_lvl+0x100/0x190 [ 80.611242][ T29] should_fail_ex.cold+0x5/0xa [ 80.611254][ T29] should_failslab+0xc2/0x120 [ 80.611269][ T29] __kmalloc_cache_noprof+0x91/0x6c0 [ 80.611282][ T29] ? nsim_fib_event_work+0xfdd/0x6310 [ 80.611295][ T29] nsim_fib_event_work+0xfdd/0x6310 [ 80.611310][ T29] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 80.611322][ T29] ? debug_object_deactivate+0x2e4/0x3b0 [ 80.611340][ T29] ? __pfx_nsim_fib_event_work+0x10/0x10 [ 80.611354][ T29] ? rcu_is_watching+0x12/0xc0 [ 80.611369][ T29] process_one_work+0xa23/0x1940 [ 80.611394][ T29] ? __pfx_process_one_work+0x10/0x10 [ 80.611414][ T29] ? __pfx_nsim_fib_event_work+0x10/0x10 [ 80.611427][ T29] worker_thread+0x5ef/0xe50 [ 80.611447][ T29] ? kthread+0x13a/0x450 [ 80.611460][ T29] ? __pfx_worker_thread+0x10/0x10 [ 80.611475][ T29] kthread+0x370/0x450 [ 80.611489][ T29] ? __pfx_kthread+0x10/0x10 [ 80.611504][ T29] ret_from_fork+0x72b/0xd50 [ 80.611518][ T29] ? __pfx_ret_from_fork+0x10/0x10 [ 80.611532][ T29] ? __switch_to+0x800/0x10f0 [ 80.611548][ T29] ? __pfx_kthread+0x10/0x10 [ 80.611563][ T29] ret_from_fork_asm+0x1a/0x30 [ 80.611584][ T29] [ 80.615665][ T5823] FAULT_INJECTION: forcing a failure. [ 80.615665][ T5823] name failslab, interval 1, probability 10, space 0, times 16 [ 80.617258][ T5155] CPU: 3 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.617272][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.617279][ T5155] Call Trace: [ 80.617283][ T5155] [ 80.617287][ T5155] dump_stack_lvl+0x100/0x190 [ 80.617302][ T5155] should_fail_ex.cold+0x5/0xa [ 80.617314][ T5155] should_failslab+0xc2/0x120 [ 80.617329][ T5155] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.617343][ T5155] ? do_getname+0x35/0x390 [ 80.617359][ T5155] do_getname+0x35/0x390 [ 80.617373][ T5155] __x64_sys_unlink+0x36/0x70 [ 80.617385][ T5155] do_syscall_64+0x115/0x840 [ 80.617398][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.617411][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.617422][ T5155] RIP: 0033:0x7f387ff15937 [ 80.617431][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.617442][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.617453][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.617460][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.617466][ T5155] RBP: 0000000000000000 R08: 0000000004cc6f27 R09: 0000000000000001 [ 80.617473][ T5155] R10: 0000000000003a2c R11: 0000000000000202 R12: 0000000000000000 [ 80.617479][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.617492][ T5155] [ 80.617518][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.618729][ T5823] CPU: 0 UID: 0 PID: 5823 Comm: kworker/u32:3 Not tainted syzkaller #0 PREEMPT(full) [ 80.618743][ T5823] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.618751][ T5823] Workqueue: netns cleanup_net [ 80.618769][ T5823] Call Trace: [ 80.618774][ T5823] [ 80.618779][ T5823] dump_stack_lvl+0x100/0x190 [ 80.618792][ T5823] should_fail_ex.cold+0x5/0xa [ 80.618805][ T5823] should_failslab+0xc2/0x120 [ 80.618820][ T5823] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.618835][ T5823] ? __alloc_skb+0x140/0x710 [ 80.618851][ T5823] __alloc_skb+0x140/0x710 [ 80.618864][ T5823] ? __alloc_skb+0x5b7/0x710 [ 80.618877][ T5823] ? __pfx___alloc_skb+0x10/0x10 [ 80.618890][ T5823] ? kasan_quarantine_put+0x104/0x240 [ 80.618903][ T5823] ? lockdep_hardirqs_on+0x78/0x100 [ 80.618917][ T5823] ? inetdev_event+0x980/0x17f0 [ 80.618931][ T5823] inet_netconf_notify_devconf+0x9d/0x170 [ 80.618950][ T5823] inetdev_event+0xa70/0x17f0 [ 80.618964][ T5823] ? ib_netdevice_event+0xfc/0x330 [ 80.618978][ T5823] ? __pfx_inetdev_event+0x10/0x10 [ 80.618991][ T5823] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 80.619010][ T5823] notifier_call_chain+0x99/0x3f0 [ 80.619027][ T5823] call_netdevice_notifiers_info+0xbe/0x110 [ 80.619046][ T5823] unregister_netdevice_many_notify+0x1141/0x2140 [ 80.619068][ T5823] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 80.619085][ T5823] ? unregister_netdevice_queue+0x22e/0x3c0 [ 80.619113][ T5823] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 80.619134][ T5823] default_device_exit_batch+0x926/0xc10 [ 80.619153][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.619172][ T5823] ? __pfx___might_resched+0x10/0x10 [ 80.619189][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.619207][ T5823] ops_undo_list+0x363/0xab0 [ 80.619225][ T5823] ? __pfx_ops_undo_list+0x10/0x10 [ 80.619240][ T5823] ? cleanup_net+0x332/0x920 [ 80.619256][ T5823] ? idr_destroy+0x62/0x2e0 [ 80.619269][ T5823] cleanup_net+0x499/0x920 [ 80.619286][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.619305][ T5823] ? rcu_is_watching+0x12/0xc0 [ 80.619320][ T5823] process_one_work+0xa23/0x1940 [ 80.619342][ T5823] ? __pfx_process_one_work+0x10/0x10 [ 80.619361][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.619379][ T5823] worker_thread+0x5ef/0xe50 [ 80.619398][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.619414][ T5823] ? kthread+0x13a/0x450 [ 80.619428][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.619442][ T5823] kthread+0x370/0x450 [ 80.619455][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.619471][ T5823] ret_from_fork+0x72b/0xd50 [ 80.619484][ T5823] ? __pfx_ret_from_fork+0x10/0x10 [ 80.619498][ T5823] ? __switch_to+0x800/0x10f0 [ 80.619515][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.619530][ T5823] ret_from_fork_asm+0x1a/0x30 [ 80.619552][ T5823] [ 80.633996][ T12] FAULT_INJECTION: forcing a failure. [ 80.633996][ T12] name failslab, interval 1, probability 10, space 0, times 13 [ 80.635385][ T5155] FAULT_INJECTION: forcing a failure. [ 80.635385][ T5155] name failslab, interval 1, probability 10, space 0, times 13 [ 80.637129][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u32:0 Not tainted syzkaller #0 PREEMPT(full) [ 80.637145][ T12] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.637153][ T12] Workqueue: bat_events batadv_mcast_mla_update [ 80.637232][ T12] Call Trace: [ 80.637237][ T12] [ 80.637242][ T12] dump_stack_lvl+0x100/0x190 [ 80.637256][ T12] should_fail_ex.cold+0x5/0xa [ 80.637269][ T12] should_failslab+0xc2/0x120 [ 80.637284][ T12] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.637299][ T12] ? batadv_tt_local_event+0x5e/0x880 [ 80.637317][ T12] batadv_tt_local_event+0x5e/0x880 [ 80.637333][ T12] ? mark_held_locks+0x40/0x70 [ 80.637350][ T12] ? kasan_quarantine_put+0x104/0x240 [ 80.637362][ T12] ? lockdep_hardirqs_on+0x78/0x100 [ 80.637377][ T12] batadv_tt_local_remove+0xe9/0x7f0 [ 80.637391][ T12] batadv_mcast_mla_tt_retract+0x238/0x3b0 [ 80.637411][ T12] batadv_mcast_mla_update+0x11e6/0x3200 [ 80.637431][ T12] ? __pfx_batadv_mcast_mla_update+0x10/0x10 [ 80.637450][ T12] ? debug_object_deactivate+0x2e4/0x3b0 [ 80.637471][ T12] ? rcu_is_watching+0x12/0xc0 [ 80.637485][ T12] process_one_work+0xa23/0x1940 [ 80.637506][ T12] ? __pfx_process_one_work+0x10/0x10 [ 80.637525][ T12] ? __pfx_batadv_mcast_mla_update+0x10/0x10 [ 80.637544][ T12] worker_thread+0x5ef/0xe50 [ 80.637564][ T12] ? kthread+0x13a/0x450 [ 80.637577][ T12] ? __pfx_worker_thread+0x10/0x10 [ 80.637591][ T12] kthread+0x370/0x450 [ 80.637605][ T12] ? __pfx_kthread+0x10/0x10 [ 80.637619][ T12] ret_from_fork+0x72b/0xd50 [ 80.637633][ T12] ? __pfx_ret_from_fork+0x10/0x10 [ 80.637647][ T12] ? __switch_to+0x800/0x10f0 [ 80.637663][ T12] ? __pfx_kthread+0x10/0x10 [ 80.637678][ T12] ret_from_fork_asm+0x1a/0x30 [ 80.637699][ T12] [ 80.692597][ C2] FAULT_INJECTION: forcing a failure. [ 80.692597][ C2] name failslab, interval 1, probability 10, space 0, times 12 [ 80.692728][ T5155] CPU: 3 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.692744][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.692751][ T5155] Call Trace: [ 80.692756][ T5155] [ 80.692761][ T5155] dump_stack_lvl+0x100/0x190 [ 80.692778][ T5155] should_fail_ex.cold+0x5/0xa [ 80.692791][ T5155] should_failslab+0xc2/0x120 [ 80.692806][ T5155] kmem_cache_alloc_noprof+0x91/0x6a0 [ 80.692821][ T5155] ? do_getname+0x35/0x390 [ 80.692838][ T5155] do_getname+0x35/0x390 [ 80.692853][ T5155] __x64_sys_unlink+0x36/0x70 [ 80.692866][ T5155] do_syscall_64+0x115/0x840 [ 80.692879][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.692893][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.692905][ T5155] RIP: 0033:0x7f387ff15937 [ 80.692916][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.692927][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.692938][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.692945][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.692952][ T5155] RBP: 0000000000000000 R08: 0000000004ccd0e3 R09: 0000000000000001 [ 80.692959][ T5155] R10: 0000000000003a32 R11: 0000000000000202 R12: 0000000000000000 [ 80.692966][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.692980][ T5155] [ 80.693022][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.694417][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted syzkaller #0 PREEMPT(full) [ 80.694431][ C2] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.694438][ C2] Call Trace: [ 80.694443][ C2] [ 80.694448][ C2] dump_stack_lvl+0x100/0x190 [ 80.694477][ C2] should_fail_ex.cold+0x5/0xa [ 80.694490][ C2] should_failslab+0xc2/0x120 [ 80.694506][ C2] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.694522][ C2] ? __alloc_skb+0x140/0x710 [ 80.694539][ C2] __alloc_skb+0x140/0x710 [ 80.694556][ C2] ? __alloc_skb+0x5b7/0x710 [ 80.694570][ C2] ? __pfx___alloc_skb+0x10/0x10 [ 80.694585][ C2] ? do_raw_spin_lock+0x128/0x260 [ 80.694600][ C2] skb_copy+0x1ca/0x3a0 [ 80.694616][ C2] mac80211_hwsim_tx_frame_no_nl+0xc7f/0x1830 [ 80.694637][ C2] ? __pfx_mac80211_hwsim_tx_frame_no_nl+0x10/0x10 [ 80.694653][ C2] ? __ieee80211_beacon_get+0x7df/0x1ee0 [ 80.694744][ C2] ? __lock_acquire+0x49f/0x1a40 [ 80.694764][ C2] ? ieee80211_beacon_get_tim+0x1c8/0x280 [ 80.694781][ C2] mac80211_hwsim_tx_frame+0x1b7/0x250 [ 80.694798][ C2] mac80211_hwsim_beacon_tx+0x56c/0xa00 [ 80.694818][ C2] __iterate_interfaces+0x2e6/0x650 [ 80.694832][ C2] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 80.694849][ C2] ? __pfx_mac80211_hwsim_beacon_tx+0x10/0x10 [ 80.694865][ C2] ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 [ 80.694882][ C2] mac80211_hwsim_beacon+0xe5/0x2a0 [ 80.694895][ C2] ? __pfx_mac80211_hwsim_beacon+0x10/0x10 [ 80.694907][ C2] __hrtimer_run_queues+0x462/0x9c0 [ 80.694926][ C2] hrtimer_run_softirq+0x17d/0x2c0 [ 80.694940][ C2] handle_softirqs+0x1ea/0x9b0 [ 80.694955][ C2] ? __pfx_handle_softirqs+0x10/0x10 [ 80.694967][ C2] ? _raw_spin_unlock+0x28/0x50 [ 80.694979][ C2] ? __hrtimer_rearm_deferred+0x9b/0x720 [ 80.694994][ C2] __irq_exit_rcu+0x162/0x210 [ 80.695006][ C2] irq_exit_rcu+0x9/0x30 [ 80.695018][ C2] sysvec_apic_timer_interrupt+0xa3/0xc0 [ 80.695031][ C2] [ 80.695035][ C2] [ 80.695039][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 80.695052][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 80.695066][ C2] Code: 76 8e 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d e3 2d 13 00 fb f4 3c 4a 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 [ 80.695077][ C2] RSP: 0018:ffffc9000047fe00 EFLAGS: 00000206 [ 80.695086][ C2] RAX: 0000000000073909 RBX: ffff88801c7f4a80 RCX: ffffffff8bb872d5 [ 80.695094][ C2] RDX: 0000000000000000 RSI: ffffffff8e1a87c3 RDI: ffffffff8c400a80 [ 80.695101][ C2] RBP: ffffed10038fe950 R08: 0000000000000001 R09: ffffed100568678d [ 80.695108][ C2] R10: ffff88802b433c6b R11: 0000000000000000 R12: 0000000000000000 [ 80.695115][ C2] R13: 0000000000000000 R14: 1ffff9200008ffc4 R15: dffffc0000000000 [ 80.695125][ C2] ? ct_kernel_exit+0x125/0x180 [ 80.695141][ C2] default_idle+0x9/0x10 [ 80.695155][ C2] default_idle_call+0x6c/0xb0 [ 80.695169][ C2] do_idle+0x3a7/0x5b0 [ 80.695182][ C2] ? __pfx_do_idle+0x10/0x10 [ 80.695197][ C2] cpu_startup_entry+0x4f/0x60 [ 80.695210][ C2] start_secondary+0x21d/0x2d0 [ 80.695223][ C2] ? __pfx_start_secondary+0x10/0x10 [ 80.695238][ C2] common_startup_64+0x13e/0x158 [ 80.695261][ C2] [ 80.699236][ T5823] FAULT_INJECTION: forcing a failure. [ 80.699236][ T5823] name failslab, interval 1, probability 10, space 0, times 10 [ 80.699708][ T5155] FAULT_INJECTION: forcing a failure. [ 80.699708][ T5155] name failslab, interval 1, probability 10, space 0, times 10 [ 80.702385][ T5823] CPU: 1 UID: 0 PID: 5823 Comm: kworker/u32:3 Not tainted syzkaller #0 PREEMPT(full) [ 80.702400][ T5823] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.702409][ T5823] Workqueue: netns cleanup_net [ 80.702447][ T5823] Call Trace: [ 80.702452][ T5823] [ 80.702457][ T5823] dump_stack_lvl+0x100/0x190 [ 80.702472][ T5823] should_fail_ex.cold+0x5/0xa [ 80.702484][ T5823] should_failslab+0xc2/0x120 [ 80.702500][ T5823] __kmalloc_cache_noprof+0x91/0x6c0 [ 80.702512][ T5823] ? addr_event.isra.0+0xcc/0x560 [ 80.702533][ T5823] addr_event.isra.0+0xcc/0x560 [ 80.702551][ T5823] inetaddr_event+0xf3/0x150 [ 80.702568][ T5823] ? __pfx_inetaddr_event+0x10/0x10 [ 80.702586][ T5823] ? down_read+0x13b/0x4c0 [ 80.702604][ T5823] notifier_call_chain+0x99/0x3f0 [ 80.702621][ T5823] blocking_notifier_call_chain+0x69/0xa0 [ 80.702638][ T5823] __inet_del_ifa+0x3df/0xf40 [ 80.702655][ T5823] inetdev_event+0x3e1/0x17f0 [ 80.702669][ T5823] ? ib_netdevice_event+0xfc/0x330 [ 80.702681][ T5823] ? __pfx_inetdev_event+0x10/0x10 [ 80.702695][ T5823] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 80.702713][ T5823] notifier_call_chain+0x99/0x3f0 [ 80.702730][ T5823] call_netdevice_notifiers_info+0xbe/0x110 [ 80.702749][ T5823] unregister_netdevice_many_notify+0x1141/0x2140 [ 80.702771][ T5823] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 80.702789][ T5823] ? unregister_netdevice_queue+0x22e/0x3c0 [ 80.702805][ T5823] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 80.702826][ T5823] default_device_exit_batch+0x926/0xc10 [ 80.702846][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.702864][ T5823] ? __pfx___might_resched+0x10/0x10 [ 80.702882][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.702900][ T5823] ops_undo_list+0x363/0xab0 [ 80.702918][ T5823] ? __pfx_ops_undo_list+0x10/0x10 [ 80.702933][ T5823] ? cleanup_net+0x332/0x920 [ 80.702949][ T5823] ? idr_destroy+0x62/0x2e0 [ 80.702963][ T5823] cleanup_net+0x499/0x920 [ 80.702980][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.702999][ T5823] ? rcu_is_watching+0x12/0xc0 [ 80.703014][ T5823] process_one_work+0xa23/0x1940 [ 80.703039][ T5823] ? __pfx_process_one_work+0x10/0x10 [ 80.703059][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.703077][ T5823] worker_thread+0x5ef/0xe50 [ 80.703097][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.703113][ T5823] ? kthread+0x13a/0x450 [ 80.703126][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.703140][ T5823] kthread+0x370/0x450 [ 80.703154][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.703169][ T5823] ret_from_fork+0x72b/0xd50 [ 80.703183][ T5823] ? __pfx_ret_from_fork+0x10/0x10 [ 80.703197][ T5823] ? __switch_to+0x800/0x10f0 [ 80.703214][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.703229][ T5823] ret_from_fork_asm+0x1a/0x30 [ 80.703251][ T5823] [ 80.703885][ T5823] FAULT_INJECTION: forcing a failure. [ 80.703885][ T5823] name failslab, interval 1, probability 10, space 0, times 8 [ 80.704301][ T5155] CPU: 3 UID: 0 PID: 5155 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 80.704315][ T5155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.704322][ T5155] Call Trace: [ 80.704326][ T5155] [ 80.704330][ T5155] dump_stack_lvl+0x100/0x190 [ 80.704345][ T5155] should_fail_ex.cold+0x5/0xa [ 80.704357][ T5155] should_failslab+0xc2/0x120 [ 80.704372][ T5155] kmem_cache_alloc_lru_noprof+0x8d/0x6a0 [ 80.704386][ T5155] ? __d_alloc+0x35/0xa50 [ 80.704405][ T5155] __d_alloc+0x35/0xa50 [ 80.704418][ T5155] d_alloc+0x4a/0x1e0 [ 80.704431][ T5155] lookup_one_qstr_excl+0x171/0x250 [ 80.704444][ T5155] ? mnt_want_write+0x161/0x410 [ 80.704461][ T5155] filename_unlinkat+0x275/0x730 [ 80.704473][ T5155] ? __might_fault+0xc5/0x140 [ 80.704485][ T5155] ? __pfx_filename_unlinkat+0x10/0x10 [ 80.704502][ T5155] ? do_getname+0x191/0x390 [ 80.704517][ T5155] __x64_sys_unlink+0x46/0x70 [ 80.704529][ T5155] do_syscall_64+0x115/0x840 [ 80.704542][ T5155] ? clear_bhb_loop+0x40/0x90 [ 80.704555][ T5155] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.704566][ T5155] RIP: 0033:0x7f387ff15937 [ 80.704576][ T5155] Code: 00 00 e9 a9 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 5f 00 00 00 0f 05 c3 0f 1f 84 00 00 00 00 00 b8 57 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 91 b4 0d 00 f7 d8 64 89 02 b8 [ 80.704587][ T5155] RSP: 002b:00007ffd252efd98 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 [ 80.704597][ T5155] RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f387ff15937 [ 80.704604][ T5155] RDX: 0000000000000000 RSI: 0000000004c4b400 RDI: 0000563d169cf02e [ 80.704610][ T5155] RBP: 0000000000000000 R08: 0000000004cdcc1e R09: 0000000000000001 [ 80.704616][ T5155] R10: 0000000000003a3e R11: 0000000000000202 R12: 0000000000000000 [ 80.704623][ T5155] R13: 0000563d169ea100 R14: 0000000000000001 R15: 0000000000000000 [ 80.704636][ T5155] [ 80.704671][ T5155] udevd[5155]: could not unlink /run/udev/queue: Cannot allocate memory [ 80.705132][ T61] FAULT_INJECTION: forcing a failure. [ 80.705132][ T61] name failslab, interval 1, probability 10, space 0, times 4 [ 80.705151][ T61] CPU: 0 UID: 0 PID: 61 Comm: kworker/u33:3 Not tainted syzkaller #0 PREEMPT(full) [ 80.705163][ T61] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.705171][ T61] Workqueue: events_unbound nsim_dev_trap_report_work [ 80.705190][ T61] Call Trace: [ 80.705194][ T61] [ 80.705220][ T61] dump_stack_lvl+0x100/0x190 [ 80.705236][ T61] should_fail_ex.cold+0x5/0xa [ 80.705249][ T61] should_failslab+0xc2/0x120 [ 80.705264][ T61] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.705278][ T61] ? __alloc_skb+0x140/0x710 [ 80.705295][ T61] __alloc_skb+0x140/0x710 [ 80.705307][ T61] ? __alloc_skb+0x5b7/0x710 [ 80.705321][ T61] ? __pfx___alloc_skb+0x10/0x10 [ 80.705334][ T61] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 80.705346][ T61] ? __pfx___might_resched+0x10/0x10 [ 80.705368][ T61] nsim_dev_trap_report_work+0x2af/0xd20 [ 80.705389][ T61] process_one_work+0xa23/0x1940 [ 80.705409][ T61] ? __pfx_process_one_work+0x10/0x10 [ 80.705429][ T61] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 80.705446][ T61] worker_thread+0x5ef/0xe50 [ 80.705465][ T61] ? __pfx_worker_thread+0x10/0x10 [ 80.705480][ T61] ? kthread+0x13a/0x450 [ 80.705493][ T61] ? __pfx_worker_thread+0x10/0x10 [ 80.705508][ T61] kthread+0x370/0x450 [ 80.705521][ T61] ? __pfx_kthread+0x10/0x10 [ 80.705536][ T61] ret_from_fork+0x72b/0xd50 [ 80.705554][ T61] ? __pfx_ret_from_fork+0x10/0x10 [ 80.705567][ T61] ? __switch_to+0x800/0x10f0 [ 80.705584][ T61] ? __pfx_kthread+0x10/0x10 [ 80.705599][ T61] ret_from_fork_asm+0x1a/0x30 [ 80.705620][ T61] [ 80.705640][ T5823] CPU: 1 UID: 0 PID: 5823 Comm: kworker/u32:3 Not tainted syzkaller #0 PREEMPT(full) [ 80.705654][ T5823] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 80.705662][ T5823] Workqueue: netns cleanup_net [ 80.705679][ T5823] Call Trace: [ 80.705683][ T5823] [ 80.705688][ T5823] dump_stack_lvl+0x100/0x190 [ 80.705701][ T5823] should_fail_ex.cold+0x5/0xa [ 80.705713][ T5823] should_failslab+0xc2/0x120 [ 80.705728][ T5823] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 80.705739][ T61] FAULT_INJECTION: forcing a failure. [ 80.705739][ T61] name failslab, interval 1, probability 10, space 0, times 1 [ 80.705743][ T5823] ? __alloc_skb+0x140/0x710 [ 80.705760][ T5823] __alloc_skb+0x140/0x710 [ 80.705772][ T5823] ? __alloc_skb+0x5b7/0x710 [ 80.705786][ T5823] ? __pfx___alloc_skb+0x10/0x10 [ 80.705801][ T5823] ? mpls_dev_notify+0x600/0x920 [ 80.705817][ T5823] mpls_netconf_notify_devconf+0x4a/0x100 [ 80.705832][ T5823] mpls_dev_notify+0x6ce/0x920 [ 80.705848][ T5823] notifier_call_chain+0x99/0x3f0 [ 80.705865][ T5823] call_netdevice_notifiers_info+0xbe/0x110 [ 80.705884][ T5823] unregister_netdevice_many_notify+0x1141/0x2140 [ 80.705905][ T5823] ? __pfx_unregister_netdevice_many_notify+0x10/0x10 [ 80.705923][ T5823] ? unregister_netdevice_queue+0x22e/0x3c0 [ 80.705939][ T5823] ? __pfx_unregister_netdevice_queue+0x10/0x10 [ 80.705960][ T5823] default_device_exit_batch+0x926/0xc10 [ 80.705980][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.705998][ T5823] ? __pfx___might_resched+0x10/0x10 [ 80.706015][ T5823] ? __pfx_default_device_exit_batch+0x10/0x10 [ 80.706036][ T5823] ops_undo_list+0x363/0xab0 [ 80.706055][ T5823] ? __pfx_ops_undo_list+0x10/0x10 [ 80.706069][ T5823] ? cleanup_net+0x332/0x920 [ 80.706086][ T5823] ? idr_destroy+0x62/0x2e0 [ 80.706098][ T5823] cleanup_net+0x499/0x920 [ 80.706116][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.706134][ T5823] ? rcu_is_watching+0x12/0xc0 [ 80.706150][ T5823] process_one_work+0xa23/0x1940 [ 80.706171][ T5823] ? __pfx_process_one_work+0x10/0x10 [ 80.706191][ T5823] ? __pfx_cleanup_net+0x10/0x10 [ 80.706208][ T5823] worker_thread+0x5ef/0xe50 [ 80.706228][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.706244][ T5823] ? kthread+0x13a/0x450 [ 80.706257][ T5823] ? __pfx_worker_thread+0x10/0x10 [ 80.706271][ T5823] kthread+0x370/0x450 [ 80.706285][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.706301][ T5823] ret_from_fork+0x72b/0xd50 [ 80.706314][ T5823] ? __pfx_ret_from_fork+0x10/0x10 [ 80.706328][ T5823] ? __switch_to+0x800/0x10f0 [ 80.706345][ T5823] ? __pfx_kthread+0x10/0x10 [ 80.706360][ T5823] ret_from_fork_asm+0x1a/0x30 [ 80.706382][ T5823] [ 81.156895][ T1348] cfg80211: failed to load regulatory.db [ 81.157989][ T61] CPU: 0 UID: 0 PID: 61 Comm: kworker/u33:3 Not tainted syzkaller #0 PREEMPT(full) [ 81.158005][ T61] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 81.158013][ T61] Workqueue: events_unbound nsim_dev_trap_report_work [ 81.158035][ T61] Call Trace: [ 81.158039][ T61] [ 81.158044][ T61] dump_stack_lvl+0x100/0x190 [ 81.158059][ T61] should_fail_ex.cold+0x5/0xa [ 81.158072][ T61] should_failslab+0xc2/0x120 [ 81.158087][ T61] kmem_cache_alloc_node_noprof+0x94/0x6b0 [ 81.158102][ T61] ? __alloc_skb+0x140/0x710 [ 81.158119][ T61] __alloc_skb+0x140/0x710 [ 81.158131][ T61] ? __alloc_skb+0x5b7/0x710 [ 81.158145][ T61] ? __pfx___alloc_skb+0x10/0x10 [ 81.158160][ T61] ? kfree_skbmem+0x19f/0x210 [ 81.158172][ T61] nsim_dev_trap_report_work+0x2af/0xd20 [ 81.158193][ T61] process_one_work+0xa23/0x1940 [ 81.158214][ T61] ? __pfx_process_one_work+0x10/0x10 [ 81.158234][ T61] ? __pfx_nsim_dev_trap_report_work+0x10/0x10 [ 81.158250][ T61] worker_thread+0x5ef/0xe50 [ 81.158269][ T61] ? __pfx_worker_thread+0x10/0x10 [ 81.158285][ T61] ? kthread+0x13a/0x450 [ 81.158298][ T61] ? __pfx_worker_thread+0x10/0x10 [ 81.158313][ T61] kthread+0x370/0x450 [ 81.158327][ T61] ? __pfx_kthread+0x10/0x10 [ 81.158341][ T61] ret_from_fork+0x72b/0xd50 [ 81.158355][ T61] ? __pfx_ret_from_fork+0x10/0x10 [ 81.158370][ T61] ? __switch_to+0x800/0x10f0 [ 81.158386][ T61] ? __pfx_kthread+0x10/0x10 [ 81.158401][ T61] ret_from_fork_asm+0x1a/0x30 [ 81.158423][ T61] [ 81.158868][ T5823] team0 (unregistering): Port device team_slave_1 removed [ 81.553876][ T64] Bluetooth: hci0: command tx timeout [ 81.633854][ T5753] Bluetooth: hci2: command tx timeout [ 81.654194][ T5823] team0 (unregistering): Port device team_slave_0 removed [ 81.713858][ T5753] Bluetooth: hci3: command tx timeout [ 83.704581][ T64] Bluetooth: hci2: command tx timeout [ 83.713873][ T64] Bluetooth: hci0: command tx timeout [ 84.336728][ T5823] team0 (unregistering): Port device team_slave_1 removed [ 84.359769][ T5823] team0 (unregistering): Port device team_slave_0 removed [ 84.586828][ T5823] team0 (unregistering): Port device team_slave_1 removed [ 84.595388][ T5823] team0 (unregistering): Port device team_slave_0 removed [ 84.750427][ T5823] team0 (unregistering): Port device team_slave_1 removed [ 84.759341][ T5823] team0 (unregistering): Port device team_slave_0 removed [ 84.923054][ T6178] ------------[ cut here ]------------ [ 84.925057][ T6178] refcount_t: addition on 0; use-after-free. [ 84.926849][ T6178] WARNING: lib/refcount.c:25 at refcount_warn_saturate+0x111/0x130, CPU#2: syz-executor/6178 [ 84.929932][ T6178] Modules linked in: [ 84.932299][ T6178] CPU: 2 UID: 0 PID: 6178 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 84.935214][ T6178] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 84.938169][ T6178] RIP: 0010:refcount_warn_saturate+0x111/0x130 [ 84.939953][ T6178] Code: cc e8 23 e1 ed fc 48 8d 3d 4c fe 11 0c 67 48 0f b9 3a e8 12 e1 ed fc 5b 5d e9 8b d7 9f 06 e8 06 e1 ed fc 48 8d 3d 3f fe 11 0c <67> 48 0f b9 3a e8 f5 e0 ed fc 5b 5d c3 cc cc cc cc 48 89 df e8 46 [ 84.945606][ T6178] RSP: 0018:ffffc900031cfb90 EFLAGS: 00010293 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 84.947959][ T6178] RAX: 0000000000000000 RBX: ffffffff9ba2be60 RCX: ffffffff851bcaab [ 84.950274][ T6178] RDX: ffff8880247b4a80 RSI: ffffffff851bcb5a RDI: ffffffff912dc9a0 [ 84.952592][ T6178] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000004 [ 84.955076][ T6178] R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000003 [ 84.957533][ T6178] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000004 [ 84.961143][ T6178] FS: 0000000000000000(0000) GS:ffff888096de3000(0063) knlGS:000000005849a480 [ 84.964102][ T6178] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 84.966093][ T6178] CR2: 00000000f50ab669 CR3: 000000004230e000 CR4: 0000000000352ef0 [ 84.968851][ T6178] Call Trace: [ 84.970205][ T6178] [ 84.971365][ T6178] new_device_store+0x682/0x700 [ 84.972907][ T6178] ? __pfx_new_device_store+0x10/0x10 [ 84.974867][ T6178] ? find_held_lock+0x2b/0x80 [ 84.976366][ T6178] ? sysfs_file_kobj+0xe4/0x290 [ 84.977993][ T6178] ? sysfs_file_kobj+0xe4/0x290 [ 84.979658][ T6178] ? __pfx_new_device_store+0x10/0x10 [ 84.981293][ T6178] bus_attr_store+0x74/0xb0 [ 84.982674][ T6178] ? __pfx_bus_attr_store+0x10/0x10 [ 84.984335][ T6178] sysfs_kf_write+0xf2/0x150 [ 84.985742][ T6178] kernfs_fop_write_iter+0x3e0/0x5f0 [ 84.987293][ T6178] ? __pfx_sysfs_kf_write+0x10/0x10 [ 84.988869][ T6178] vfs_write+0x6ac/0x1050 [ 84.990180][ T6178] ? __pfx_kernfs_fop_write_iter+0x10/0x10 [ 84.991910][ T6178] ? __pfx_vfs_write+0x10/0x10 [ 84.993633][ T6178] ? __pfx_do_sys_openat2+0x10/0x10 [ 84.995556][ T6178] ksys_write+0x12a/0x250 [ 84.996841][ T6178] ? __pfx_ksys_write+0x10/0x10 [ 84.998359][ T6178] do_int80_emulation+0x14b/0x720 [ 84.999864][ T6178] asm_int80_emulation+0x1a/0x20 [ 85.001331][ T6178] RIP: 0023:0xf710736b [ 85.002553][ T6178] Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53 [ 85.008609][ T6178] RSP: 002b:00000000ffe975ac EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 85.011146][ T6178] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000ffe97670 [ 85.013481][ T6178] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000000 [ 85.015916][ T6178] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 85.019030][ T6178] R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 [ 85.021347][ T6178] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 85.023661][ T6178] [ 85.024721][ T6178] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 85.026862][ T6178] CPU: 2 UID: 0 PID: 6178 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 85.029542][ T6178] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 85.032480][ T6178] Call Trace: [ 85.033490][ T6178] [ 85.034386][ T6178] dump_stack_lvl+0x100/0x190 [ 85.035795][ T6178] vpanic+0x552/0x970 [ 85.036989][ T6178] ? __pfx_vpanic+0x10/0x10 [ 85.038525][ T6178] panic+0xd1/0xe0 [ 85.039877][ T6178] ? __pfx_panic+0x10/0x10 [ 85.041239][ T6178] ? check_panic_on_warn+0x1f/0x90 [ 85.042798][ T6178] check_panic_on_warn.cold+0x19/0x34 [ 85.044372][ T6178] ? refcount_warn_saturate+0x111/0x130 [ 85.046010][ T6178] __warn.cold+0x191/0x318 [ 85.047317][ T6178] __report_bug+0x30f/0x440 [ 85.048690][ T6178] ? refcount_warn_saturate+0x111/0x130 [ 85.050316][ T6178] ? __pfx___report_bug+0x10/0x10 [ 85.051804][ T6178] ? refcount_warn_saturate+0x10a/0x130 [ 85.053471][ T6178] ? refcount_warn_saturate+0x5b/0x130 [ 85.055091][ T6178] ? kobject_put+0xb9/0x640 [ 85.056430][ T6178] report_bug_entry+0xe1/0x290 [ 85.057914][ T6178] ? refcount_warn_saturate+0x111/0x130 [ 85.059568][ T6178] handle_bug+0x1cd/0x2a0 [ 85.060856][ T6178] exc_invalid_op+0x17/0x50 [ 85.062207][ T6178] asm_exc_invalid_op+0x1a/0x20 [ 85.063698][ T6178] RIP: 0010:refcount_warn_saturate+0x111/0x130 [ 85.065521][ T6178] Code: cc e8 23 e1 ed fc 48 8d 3d 4c fe 11 0c 67 48 0f b9 3a e8 12 e1 ed fc 5b 5d e9 8b d7 9f 06 e8 06 e1 ed fc 48 8d 3d 3f fe 11 0c <67> 48 0f b9 3a e8 f5 e0 ed fc 5b 5d c3 cc cc cc cc 48 89 df e8 46 [ 85.071989][ T6178] RSP: 0018:ffffc900031cfb90 EFLAGS: 00010293 [ 85.073808][ T6178] RAX: 0000000000000000 RBX: ffffffff9ba2be60 RCX: ffffffff851bcaab [ 85.076134][ T6178] RDX: ffff8880247b4a80 RSI: ffffffff851bcb5a RDI: ffffffff912dc9a0 [ 85.078751][ T6178] RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000004 [ 85.081492][ T6178] R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000003 [ 85.083811][ T6178] R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000004 [ 85.086147][ T6178] ? refcount_warn_saturate+0x5b/0x130 [ 85.087795][ T6178] ? refcount_warn_saturate+0x10a/0x130 [ 85.089432][ T6178] new_device_store+0x682/0x700 [ 85.090876][ T6178] ? __pfx_new_device_store+0x10/0x10 [ 85.092430][ T6178] ? find_held_lock+0x2b/0x80 [ 85.093838][ T6178] ? sysfs_file_kobj+0xe4/0x290 [ 85.095258][ T6178] ? sysfs_file_kobj+0xe4/0x290 [ 85.096699][ T6178] ? __pfx_new_device_store+0x10/0x10 [ 85.098347][ T6178] bus_attr_store+0x74/0xb0 [ 85.099712][ T6178] ? __pfx_bus_attr_store+0x10/0x10 [ 85.101258][ T6178] sysfs_kf_write+0xf2/0x150 [ 85.102656][ T6178] kernfs_fop_write_iter+0x3e0/0x5f0 [ 85.104233][ T6178] ? __pfx_sysfs_kf_write+0x10/0x10 [ 85.105775][ T6178] vfs_write+0x6ac/0x1050 [ 85.107048][ T6178] ? __pfx_kernfs_fop_write_iter+0x10/0x10 [ 85.108810][ T6178] ? __pfx_vfs_write+0x10/0x10 [ 85.110215][ T6178] ? __pfx_do_sys_openat2+0x10/0x10 [ 85.111743][ T6178] ksys_write+0x12a/0x250 [ 85.113045][ T6178] ? __pfx_ksys_write+0x10/0x10 [ 85.114513][ T6178] do_int80_emulation+0x14b/0x720 [ 85.116003][ T6178] asm_int80_emulation+0x1a/0x20 [ 85.117475][ T6178] RIP: 0023:0xf710736b [ 85.119068][ T6178] Code: 57 56 53 8b 44 24 14 f6 00 08 75 23 8b 44 24 18 8b 5c 24 1c 8b 4c 24 20 8b 54 24 24 8b 74 24 28 8b 7c 24 2c 8b 6c 24 30 cd 80 <5b> 5e 5f 5d c3 5b 5e 5f 5d e9 f7 a1 ff ff 66 90 66 90 66 90 90 53 [ 85.124802][ T6178] RSP: 002b:00000000ffe975ac EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 85.127242][ T6178] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000ffe97670 [ 85.129803][ T6178] RDX: 0000000000000003 RSI: 0000000000000000 RDI: 0000000000000000 [ 85.132128][ T6178] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 85.134463][ T6178] R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 [ 85.136883][ T6178] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 85.139258][ T6178] [ 85.140803][ T6178] Kernel Offset: disabled [ 85.142108][ T6178] Rebooting in 86400 seconds..