./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4124246357 <...> no interfaces have a carrier forked to background, child pid 3179 [ 27.879297][ T3180] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.889774][ T3180] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.83' (ECDSA) to the list of known hosts. execve("./syz-executor4124246357", ["./syz-executor4124246357"], 0x7fffa166aab0 /* 10 vars */) = 0 brk(NULL) = 0x5555572a1000 brk(0x5555572a1c40) = 0x5555572a1c40 arch_prctl(ARCH_SET_FS, 0x5555572a1300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor4124246357", 4096) = 28 brk(0x5555572c2c40) = 0x5555572c2c40 brk(0x5555572c3000) = 0x5555572c3000 mprotect(0x7f2edbcb7000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3608 attached , child_tidptr=0x5555572a15d0) = 3608 [pid 3608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3608] setpgid(0, 0) = 0 [pid 3608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1000", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/dev/sg0", O_RDONLY) = 3 [pid 3608] ioctl(3, BLKTRACETEARDOWN) = -1 EINVAL (Invalid argument) [pid 3608] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3608] write(4, "35", 2) = 2 [pid 3608] ioctl(3, BLKTRACESETUP, {act_mask=5, buf_size=6, buf_nr=43, start_lba=0, end_lba=0, pid=0}) = -1 EIO (Input/output error) [pid 3608] exit_group(0) = ? [pid 3608] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3608, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3609 attached , child_tidptr=0x5555572a15d0) = 3609 [pid 3609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3609] setpgid(0, 0) = 0 [pid 3609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1000", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] openat(AT_FDCWD, "/dev/sg0", O_RDONLY) = 3 [pid 3609] ioctl(3, BLKTRACETEARDOWN) = -1 EINVAL (Invalid argument) [pid 3609] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3609] write(4, "35", 2) = 2 syzkaller login: [ 52.151493][ T3609] ------------[ cut here ]------------ [ 52.157183][ T3609] WARNING: CPU: 0 PID: 3609 at kernel/trace/blktrace.c:1102 blk_register_tracepoints+0x2dc/0x3a0 [ 52.168075][ T3609] Modules linked in: [ 52.171983][ T3609] CPU: 0 PID: 3609 Comm: syz-executor412 Not tainted 5.19.0-rc3-next-20220624-syzkaller #0 [ 52.182015][ T3609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.192101][ T3609] RIP: 0010:blk_register_tracepoints+0x2dc/0x3a0 [ 52.198494][ T3609] Code: 48 c7 c7 a0 59 ab 8d e8 62 59 fb ff 31 ff 89 c3 89 c6 e8 07 97 f9 ff 85 db 0f 85 ba 00 00 00 5b e9 a9 9a f9 ff e8 a4 9a f9 ff <0f> 0b e9 4b fd ff ff e8 98 9a f9 ff 0f 0b e9 6c fd ff ff e8 8c 9a [ 52.218148][ T3609] RSP: 0018:ffffc9000302fbd0 EFLAGS: 00010293 [ 52.224264][ T3609] RAX: 0000000000000000 RBX: 00000000fffffff4 RCX: 0000000000000000 [ 52.232254][ T3609] RDX: ffff888023f0ba80 RSI: ffffffff8181140c RDI: 0000000000000005 [ 52.240304][ T3609] RBP: ffff88801f816980 R08: 0000000000000005 R09: 0000000000000000 [ 52.248326][ T3609] R10: 00000000fffffff4 R11: 00000000000000d1 R12: ffffc9000302fc70 [ 52.256634][ T3609] R13: ffff88801f8169a8 R14: ffff88801d6973a0 R15: ffff88801f8169b0 [ 52.264859][ T3609] FS: 00005555572a1300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 52.274283][ T3609] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.280890][ T3609] CR2: 00007f2edbc7a000 CR3: 000000001caf1000 CR4: 00000000003506f0 [ 52.289084][ T3609] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.297271][ T3609] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.305780][ T3609] Call Trace: [ 52.309090][ T3609] [ 52.312038][ T3609] do_blk_trace_setup+0x940/0xb60 [ 52.317335][ T3609] __blk_trace_setup+0xca/0x180 [ 52.322255][ T3609] ? do_blk_trace_setup+0xb60/0xb60 [ 52.327720][ T3609] ? __sanitizer_cov_trace_switch+0x50/0x90 [ 52.333911][ T3609] blk_trace_setup+0x43/0x60 [ 52.338557][ T3609] sg_ioctl+0x251/0x2760 [ 52.342882][ T3609] ? sg_write+0x110/0x110 [ 52.347493][ T3609] ? name_to_dev_t+0x967/0x990 [ 52.352290][ T3609] ? lock_downgrade+0x6e0/0x6e0 [ 52.357391][ T3609] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.363306][ T3609] ? bpf_lsm_file_ioctl+0x5/0x10 [ 52.368268][ T3609] ? sg_write+0x110/0x110 [ 52.372634][ T3609] __x64_sys_ioctl+0x193/0x200 [ 52.377494][ T3609] do_syscall_64+0x35/0xb0 [ 52.381928][ T3609] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 52.387880][ T3609] RIP: 0033:0x7f2edbc4a6c9 [ 52.392313][ T3609] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 52.412208][ T3609] RSP: 002b:00007ffee287ee18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.420829][ T3609] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2edbc4a6c9 [ 52.428972][ T3609] RDX: 0000000020000140 RSI: 00000000c0481273 RDI: 0000000000000003 [ 52.437164][ T3609] RBP: 00007ffee287ee30 R08: 0000000000000002 R09: 0000000000000001 [ 52.445300][ T3609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 52.453451][ T3609] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 52.461469][ T3609] [ 52.464761][ T3609] Kernel panic - not syncing: panic_on_warn set ... [ 52.471352][ T3609] CPU: 0 PID: 3609 Comm: syz-executor412 Not tainted 5.19.0-rc3-next-20220624-syzkaller #0 [ 52.481318][ T3609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.491392][ T3609] Call Trace: [ 52.494675][ T3609] [ 52.497624][ T3609] dump_stack_lvl+0xcd/0x134 [ 52.502245][ T3609] panic+0x2d7/0x636 [ 52.506153][ T3609] ? panic_print_sys_info.part.0+0x10b/0x10b [ 52.512162][ T3609] ? __warn.cold+0x1d1/0x2c5 [ 52.516750][ T3609] ? blk_register_tracepoints+0x2dc/0x3a0 [ 52.522471][ T3609] __warn.cold+0x1e2/0x2c5 [ 52.526894][ T3609] ? blk_register_tracepoints+0x2dc/0x3a0 [ 52.532632][ T3609] report_bug+0x1bc/0x210 [ 52.537002][ T3609] handle_bug+0x3c/0x60 [ 52.541171][ T3609] exc_invalid_op+0x14/0x40 [ 52.545688][ T3609] asm_exc_invalid_op+0x1b/0x20 [ 52.550556][ T3609] RIP: 0010:blk_register_tracepoints+0x2dc/0x3a0 [ 52.556900][ T3609] Code: 48 c7 c7 a0 59 ab 8d e8 62 59 fb ff 31 ff 89 c3 89 c6 e8 07 97 f9 ff 85 db 0f 85 ba 00 00 00 5b e9 a9 9a f9 ff e8 a4 9a f9 ff <0f> 0b e9 4b fd ff ff e8 98 9a f9 ff 0f 0b e9 6c fd ff ff e8 8c 9a [ 52.576512][ T3609] RSP: 0018:ffffc9000302fbd0 EFLAGS: 00010293 [ 52.582584][ T3609] RAX: 0000000000000000 RBX: 00000000fffffff4 RCX: 0000000000000000 [ 52.590556][ T3609] RDX: ffff888023f0ba80 RSI: ffffffff8181140c RDI: 0000000000000005 [ 52.598531][ T3609] RBP: ffff88801f816980 R08: 0000000000000005 R09: 0000000000000000 [ 52.606503][ T3609] R10: 00000000fffffff4 R11: 00000000000000d1 R12: ffffc9000302fc70 [ 52.614475][ T3609] R13: ffff88801f8169a8 R14: ffff88801d6973a0 R15: ffff88801f8169b0 [ 52.622457][ T3609] ? blk_register_tracepoints+0x2dc/0x3a0 [ 52.628201][ T3609] do_blk_trace_setup+0x940/0xb60 [ 52.633251][ T3609] __blk_trace_setup+0xca/0x180 [ 52.638120][ T3609] ? do_blk_trace_setup+0xb60/0xb60 [ 52.643349][ T3609] ? __sanitizer_cov_trace_switch+0x50/0x90 [ 52.649259][ T3609] blk_trace_setup+0x43/0x60 [ 52.653865][ T3609] sg_ioctl+0x251/0x2760 [ 52.658127][ T3609] ? sg_write+0x110/0x110 [ 52.662471][ T3609] ? name_to_dev_t+0x967/0x990 [ 52.667253][ T3609] ? lock_downgrade+0x6e0/0x6e0 [ 52.672116][ T3609] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.677327][ T3609] ? bpf_lsm_file_ioctl+0x5/0x10 [ 52.682289][ T3609] ? sg_write+0x110/0x110 [ 52.686632][ T3609] __x64_sys_ioctl+0x193/0x200 [ 52.691423][ T3609] do_syscall_64+0x35/0xb0 [ 52.695851][ T3609] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 52.701751][ T3609] RIP: 0033:0x7f2edbc4a6c9 [ 52.706168][ T3609] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 52.725780][ T3609] RSP: 002b:00007ffee287ee18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.734200][ T3609] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2edbc4a6c9 [ 52.742175][ T3609] RDX: 0000000020000140 RSI: 00000000c0481273 RDI: 0000000000000003 [ 52.750150][ T3609] RBP: 00007ffee287ee30 R08: 0000000000000002 R09: 0000000000000001 [ 52.758123][ T3609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 52.766184][ T3609] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 52.774183][ T3609] [ 52.777478][ T3609] Kernel Offset: disabled [ 52.781867][ T3609] Rebooting in 86400 seconds..