./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3975712579 <...> DUID 00:04:a3:03:08:15:93:78:e3:1f:4c:1c:fb:56:e6:f5:4b:05 forked to background, child pid 3185 [ 24.293601][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0 [ 24.304500][ T3186] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.39' (ECDSA) to the list of known hosts. execve("./syz-executor3975712579", ["./syz-executor3975712579"], 0x7ffc22a5bb50 /* 10 vars */) = 0 brk(NULL) = 0x55555598a000 brk(0x55555598ac40) = 0x55555598ac40 arch_prctl(ARCH_SET_FS, 0x55555598a300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3975712579", 4096) = 28 brk(0x5555559abc40) = 0x5555559abc40 brk(0x5555559ac000) = 0x5555559ac000 mprotect(0x7f764de55000, 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, child_tidptr=0x55555598a5d0) = 3608 ./strace-static-x86_64: Process 3608 attached [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] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3608] write(4, "40", 2) = 2 [pid 3608] ioctl(3, BLKTRACESETUP, {act_mask=0, buf_size=204, 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=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3609 attached , child_tidptr=0x55555598a5d0) = 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] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3609] write(4, "40", 2) = 2 [pid 3609] ioctl(3, BLKTRACESETUP, {act_mask=0, buf_size=204, buf_nr=43, start_lba=0, end_lba=0, pid=0}) = -1 EIO (Input/output error) [pid 3609] exit_group(0) = ? [pid 3609] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3609, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3610 attached , child_tidptr=0x55555598a5d0) = 3610 [pid 3610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3610] setpgid(0, 0) = 0 [pid 3610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3610] write(3, "1000", 4) = 4 [pid 3610] close(3) = 0 [pid 3610] openat(AT_FDCWD, "/dev/sg0", O_RDONLY) = 3 [pid 3610] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3610] write(4, "40", 2) = 2 [pid 3610] ioctl(3, BLKTRACESETUP, {act_mask=0, buf_size=204, buf_nr=43, start_lba=0, end_lba=0, pid=0}) = -1 EIO (Input/output error) [pid 3610] exit_group(0) = ? [pid 3610] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3610, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3611 attached , child_tidptr=0x55555598a5d0) = 3611 [pid 3611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3611] setpgid(0, 0) = 0 [pid 3611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3611] write(3, "1000", 4) = 4 [pid 3611] close(3) = 0 [pid 3611] openat(AT_FDCWD, "/dev/sg0", O_RDONLY) = 3 [pid 3611] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3611] write(4, "40", 2) = 2 [pid 3611] ioctl(3, BLKTRACESETUP, {act_mask=0, buf_size=204, buf_nr=43, start_lba=0, end_lba=0, pid=0}) = -1 EIO (Input/output error) [pid 3611] exit_group(0) = ? [pid 3611] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3611, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555598a5d0) = 3612 ./strace-static-x86_64: Process 3612 attached [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setpgid(0, 0) = 0 [pid 3612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1000", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/dev/sg0", O_RDONLY) = 3 [pid 3612] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4 [pid 3612] write(4, "40", 2) = 2 syzkaller login: [ 39.852261][ T3609] debugfs: out of free dentries, can not create file 'trace1' [ 39.865943][ T3610] debugfs: out of free dentries, can not create file 'trace1' [ 39.882684][ T3611] debugfs: out of free dentries, can not create file 'trace1' [ 39.898116][ T3612] ------------[ cut here ]------------ [ 39.903757][ T3612] WARNING: CPU: 1 PID: 3612 at kernel/trace/blktrace.c:1098 blk_register_tracepoints+0x2dc/0x3a0 [ 39.914520][ T3612] Modules linked in: [ 39.918424][ T3612] CPU: 1 PID: 3612 Comm: syz-executor397 Not tainted 6.0.0-rc2-next-20220826-syzkaller #0 [ 39.928385][ T3612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 39.938919][ T3612] RIP: 0010:blk_register_tracepoints+0x2dc/0x3a0 [ 39.945455][ T3612] Code: 48 c7 c7 a0 10 ce 8d e8 e2 3a fb ff 31 ff 89 c3 89 c6 e8 87 6c f9 ff 85 db 0f 85 ba 00 00 00 5b e9 a9 6f f9 ff e8 a4 6f f9 ff <0f> 0b e9 4b fd ff ff e8 98 6f f9 ff 0f 0b e9 6c fd ff ff e8 8c 6f [ 39.965148][ T3612] RSP: 0018:ffffc90003d1fbe8 EFLAGS: 00010293 [ 39.971226][ T3612] RAX: 0000000000000000 RBX: 00000000fffffff4 RCX: 0000000000000000 [ 39.979377][ T3612] RDX: ffff888077a51d40 RSI: ffffffff818293bc RDI: 0000000000000005 [ 39.987420][ T3612] RBP: ffff88801bf84480 R08: 0000000000000005 R09: 0000000000000000 [ 39.995464][ T3612] R10: 00000000fffffff4 R11: 000000000008c07c R12: ffffc90003d1fc88 [ 40.003456][ T3612] R13: ffff88801bf844a8 R14: ffff888146e33dc0 R15: ffff88801bf844b0 [ 40.011417][ T3612] FS: 000055555598a300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 40.020387][ T3612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.027003][ T3612] CR2: 00007ffc2ebd8c98 CR3: 000000007f152000 CR4: 00000000003506f0 [ 40.035017][ T3612] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.043022][ T3612] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.050990][ T3612] Call Trace: [ 40.054281][ T3612] [ 40.057226][ T3612] do_blk_trace_setup+0x940/0xb60 [ 40.062297][ T3612] __blk_trace_setup+0xca/0x180 [ 40.067161][ T3612] ? do_blk_trace_setup+0xb60/0xb60 [ 40.072503][ T3612] ? __sanitizer_cov_trace_switch+0x50/0x90 [ 40.078432][ T3612] blk_trace_setup+0x43/0x60 [ 40.083223][ T3612] sg_ioctl+0x250/0x25d0 [ 40.087504][ T3612] ? sg_write+0xe0/0xe0 [ 40.091691][ T3612] ? rcu_read_lock_sched_held+0xd/0x70 [ 40.097161][ T3612] ? lock_release+0x560/0x780 [ 40.101866][ T3612] ? name_to_dev_t+0x967/0x990 [ 40.106646][ T3612] ? lock_downgrade+0x6e0/0x6e0 [ 40.111492][ T3612] ? bpf_lsm_file_ioctl+0x5/0x10 [ 40.116476][ T3612] ? sg_write+0xe0/0xe0 [ 40.120663][ T3612] __x64_sys_ioctl+0x193/0x200 [ 40.125461][ T3612] do_syscall_64+0x35/0xb0 [ 40.129908][ T3612] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 40.135830][ T3612] RIP: 0033:0x7f764dde86a9 [ 40.140250][ T3612] 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 [ 40.159999][ T3612] RSP: 002b:00007ffc2ebd8cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.168458][ T3612] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f764dde86a9 [ 40.176472][ T3612] RDX: 0000000020000140 RSI: 00000000c0481273 RDI: 0000000000000003 [ 40.184485][ T3612] RBP: 00007ffc2ebd8cd0 R08: 0000000000000002 R09: 0000000000000001 [ 40.192606][ T3612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 40.200577][ T3612] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 40.208587][ T3612] [ 40.211757][ T3612] Kernel panic - not syncing: panic_on_warn set ... [ 40.218335][ T3612] CPU: 0 PID: 3612 Comm: syz-executor397 Not tainted 6.0.0-rc2-next-20220826-syzkaller #0 [ 40.228222][ T3612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 40.238261][ T3612] Call Trace: [ 40.241544][ T3612] [ 40.244470][ T3612] dump_stack_lvl+0xcd/0x134 [ 40.249058][ T3612] panic+0x2c8/0x627 [ 40.252952][ T3612] ? panic_print_sys_info.part.0+0x10b/0x10b [ 40.259030][ T3612] ? __warn.cold+0x248/0x2c4 [ 40.263612][ T3612] ? blk_register_tracepoints+0x2dc/0x3a0 [ 40.269327][ T3612] __warn.cold+0x259/0x2c4 [ 40.273736][ T3612] ? blk_register_tracepoints+0x2dc/0x3a0 [ 40.279465][ T3612] report_bug+0x1bc/0x210 [ 40.283816][ T3612] handle_bug+0x3c/0x60 [ 40.287965][ T3612] exc_invalid_op+0x14/0x40 [ 40.292456][ T3612] asm_exc_invalid_op+0x16/0x20 [ 40.297297][ T3612] RIP: 0010:blk_register_tracepoints+0x2dc/0x3a0 [ 40.303619][ T3612] Code: 48 c7 c7 a0 10 ce 8d e8 e2 3a fb ff 31 ff 89 c3 89 c6 e8 87 6c f9 ff 85 db 0f 85 ba 00 00 00 5b e9 a9 6f f9 ff e8 a4 6f f9 ff <0f> 0b e9 4b fd ff ff e8 98 6f f9 ff 0f 0b e9 6c fd ff ff e8 8c 6f [ 40.323302][ T3612] RSP: 0018:ffffc90003d1fbe8 EFLAGS: 00010293 [ 40.329364][ T3612] RAX: 0000000000000000 RBX: 00000000fffffff4 RCX: 0000000000000000 [ 40.337328][ T3612] RDX: ffff888077a51d40 RSI: ffffffff818293bc RDI: 0000000000000005 [ 40.345296][ T3612] RBP: ffff88801bf84480 R08: 0000000000000005 R09: 0000000000000000 [ 40.353255][ T3612] R10: 00000000fffffff4 R11: 000000000008c07c R12: ffffc90003d1fc88 [ 40.361212][ T3612] R13: ffff88801bf844a8 R14: ffff888146e33dc0 R15: ffff88801bf844b0 [ 40.369173][ T3612] ? blk_register_tracepoints+0x2dc/0x3a0 [ 40.374884][ T3612] ? blk_register_tracepoints+0x2dc/0x3a0 [ 40.380603][ T3612] do_blk_trace_setup+0x940/0xb60 [ 40.385648][ T3612] __blk_trace_setup+0xca/0x180 [ 40.390499][ T3612] ? do_blk_trace_setup+0xb60/0xb60 [ 40.395705][ T3612] ? __sanitizer_cov_trace_switch+0x50/0x90 [ 40.401603][ T3612] blk_trace_setup+0x43/0x60 [ 40.406194][ T3612] sg_ioctl+0x250/0x25d0 [ 40.410440][ T3612] ? sg_write+0xe0/0xe0 [ 40.414587][ T3612] ? rcu_read_lock_sched_held+0xd/0x70 [ 40.420043][ T3612] ? lock_release+0x560/0x780 [ 40.424743][ T3612] ? name_to_dev_t+0x967/0x990 [ 40.429512][ T3612] ? lock_downgrade+0x6e0/0x6e0 [ 40.434355][ T3612] ? bpf_lsm_file_ioctl+0x5/0x10 [ 40.439282][ T3612] ? sg_write+0xe0/0xe0 [ 40.443463][ T3612] __x64_sys_ioctl+0x193/0x200 [ 40.448239][ T3612] do_syscall_64+0x35/0xb0 [ 40.452645][ T3612] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 40.458525][ T3612] RIP: 0033:0x7f764dde86a9 [ 40.462926][ T3612] 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 [ 40.482525][ T3612] RSP: 002b:00007ffc2ebd8cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.490923][ T3612] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f764dde86a9 [ 40.498887][ T3612] RDX: 0000000020000140 RSI: 00000000c0481273 RDI: 0000000000000003 [ 40.506882][ T3612] RBP: 00007ffc2ebd8cd0 R08: 0000000000000002 R09: 0000000000000001 [ 40.514850][ T3612] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 40.522827][ T3612] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 40.530883][ T3612] [ 40.534061][ T3612] Kernel Offset: disabled [ 40.538376][ T3612] Rebooting in 86400 seconds..