./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2322738720 <...> Warning: Permanently added '10.128.1.118' (ECDSA) to the list of known hosts. execve("./syz-executor2322738720", ["./syz-executor2322738720"], 0x7ffd2c3c2e00 /* 10 vars */) = 0 brk(NULL) = 0x5555556b7000 brk(0x5555556b7c40) = 0x5555556b7c40 arch_prctl(ARCH_SET_FS, 0x5555556b7300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2322738720", 4096) = 28 brk(0x5555556d8c40) = 0x5555556d8c40 brk(0x5555556d9000) = 0x5555556d9000 mprotect(0x7f2f77653000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5077 attached , child_tidptr=0x5555556b75d0) = 5077 [pid 5077] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5077] setsid() = 1 [pid 5077] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5077] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5077] unshare(CLONE_NEWNS) = 0 [pid 5077] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5077] unshare(CLONE_NEWIPC) = 0 [pid 5077] unshare(CLONE_NEWCGROUP) = 0 [pid 5077] unshare(CLONE_NEWUTS) = 0 [pid 5077] unshare(CLONE_SYSVSEM) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "16777216", 8) = 8 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "536870912", 9) = 9 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1024", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "8192", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1024", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1024", 4) = 4 [pid 5077] close(3) = 0 [pid 5077] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5077] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5077] close(3) = 0 [pid 5077] getpid() = 1 [pid 5077] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 56 f9 ff ff e8 3c 77 d2 ff e8 77 47 bb ff 31 ff 41 89 c4 [ 53.646142][ T5077] RSP: 0018:ffffc90003c7fa68 EFLAGS: 00010093 [ 53.652211][ T5077] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 53.660181][ T5077] RDX: ffff88802a780000 RSI: ffffffff81af49a8 RDI: 0000000000000005 [ 53.668171][ T5077] RBP: ffffea00013b6cc0 R08: 0000000000000005 R09: 0000000000000000 [ 53.676148][ T5077] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888144dd4978 [ 53.684123][ T5077] R13: ffffffff8e73db00 R14: 0000000000000293 R15: ffff88801da4a258 [ 53.692100][ T5077] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 53.701080][ T5077] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.707666][ T5077] CR2: 0000557951344000 CR3: 000000007eb84000 CR4: 00000000003506f0 [ 53.715638][ T5077] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.723609][ T5077] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.731579][ T5077] Call Trace: [ 53.734858][ T5077] [ 53.737797][ T5077] mark_buffer_dirty+0x3e8/0x570 [ 53.742749][ T5077] gfs2_unpin+0x109/0xcf0 [ 53.747118][ T5077] buf_lo_after_commit+0x144/0x210 [ 53.752244][ T5077] ? databuf_lo_after_commit+0x210/0x210 [ 53.757964][ T5077] gfs2_log_flush+0x140f/0x28a0 [ 53.762878][ T5077] ? gfs2_ail_drain+0x630/0x630 [ 53.767774][ T5077] gfs2_kill_sb+0x58/0x170 [ 53.772308][ T5077] deactivate_locked_super+0x98/0x160 [ 53.777712][ T5077] deactivate_super+0xb1/0xd0 [ 53.782409][ T5077] cleanup_mnt+0x2ae/0x3d0 [ 53.786839][ T5077] task_work_run+0x16f/0x270 [ 53.791632][ T5077] ? task_work_cancel+0x30/0x30 [ 53.796507][ T5077] do_exit+0xb17/0x2a90 [ 53.800692][ T5077] ? lock_downgrade+0x6e0/0x6e0 [ 53.805552][ T5077] ? do_raw_spin_lock+0x124/0x2b0 [ 53.810584][ T5077] ? mm_update_next_owner+0x7b0/0x7b0 [ 53.815983][ T5077] ? rwlock_bug.part.0+0x90/0x90 [ 53.820939][ T5077] ? _raw_spin_unlock_irq+0x23/0x50 [ 53.826168][ T5077] do_group_exit+0xd4/0x2a0 [ 53.830688][ T5077] __x64_sys_exit_group+0x3e/0x50 [ 53.835724][ T5077] do_syscall_64+0x39/0xb0 [ 53.840143][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.846057][ T5077] RIP: 0033:0x7f2f775d1c99 [ 53.850473][ T5077] Code: Unable to access opcode bytes at 0x7f2f775d1c6f. [ 53.857586][ T5077] RSP: 002b:00007ffcec90d778 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 53.866003][ T5077] RAX: ffffffffffffffda RBX: 00007f2f776593f0 RCX: 00007f2f775d1c99 [ 53.874004][ T5077] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 53.881998][ T5077] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f2f77653e40 [ 53.889972][ T5077] R10: 00007ffcec90d690 R11: 0000000000000246 R12: 00007f2f776593f0 [ 53.897943][ T5077] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 53.905928][ T5077] [ 53.908950][ T5077] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 53.916224][ T5077] CPU: 0 PID: 5077 Comm: syz-executor232 Not tainted 6.2.0-rc3-next-20230111-syzkaller #0 [ 53.926126][ T5077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 53.936177][ T5077] Call Trace: [ 53.939545][ T5077] [ 53.942479][ T5077] dump_stack_lvl+0xd1/0x138 [ 53.947083][ T5077] panic+0x2cc/0x626 [ 53.951282][ T5077] ? panic_print_sys_info.part.0+0x112/0x112 [ 53.957303][ T5077] ? __folio_mark_dirty+0xba8/0xf70 [ 53.962518][ T5077] check_panic_on_warn.cold+0x19/0x35 [ 53.967909][ T5077] __warn+0xf2/0x1a0 [ 53.971817][ T5077] ? __folio_mark_dirty+0xba8/0xf70 [ 53.977025][ T5077] report_bug+0x1c0/0x210 [ 53.981367][ T5077] handle_bug+0x3c/0x70 [ 53.985556][ T5077] exc_invalid_op+0x18/0x50 [ 53.990099][ T5077] asm_exc_invalid_op+0x1a/0x20 [ 53.994964][ T5077] RIP: 0010:__folio_mark_dirty+0xba8/0xf70 [ 54.000793][ T5077] Code: 78 70 48 89 44 24 10 e8 b6 81 54 08 31 ff 89 c6 89 44 24 10 e8 09 74 d2 ff 8b 44 24 10 85 c0 0f 85 62 f9 ff ff e8 48 77 d2 ff <0f> 0b e9 56 f9 ff ff e8 3c 77 d2 ff e8 77 47 bb ff 31 ff 41 89 c4 [ 54.020402][ T5077] RSP: 0018:ffffc90003c7fa68 EFLAGS: 00010093 [ 54.026476][ T5077] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.034453][ T5077] RDX: ffff88802a780000 RSI: ffffffff81af49a8 RDI: 0000000000000005 [ 54.042440][ T5077] RBP: ffffea00013b6cc0 R08: 0000000000000005 R09: 0000000000000000 [ 54.050431][ T5077] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888144dd4978 [ 54.058402][ T5077] R13: ffffffff8e73db00 R14: 0000000000000293 R15: ffff88801da4a258 [ 54.066390][ T5077] ? __folio_mark_dirty+0xba8/0xf70 [ 54.071697][ T5077] ? __folio_mark_dirty+0xba8/0xf70 [ 54.076911][ T5077] mark_buffer_dirty+0x3e8/0x570 [ 54.081854][ T5077] gfs2_unpin+0x109/0xcf0 [ 54.086202][ T5077] buf_lo_after_commit+0x144/0x210 [ 54.091329][ T5077] ? databuf_lo_after_commit+0x210/0x210 [ 54.096971][ T5077] gfs2_log_flush+0x140f/0x28a0 [ 54.101939][ T5077] ? gfs2_ail_drain+0x630/0x630 [ 54.106810][ T5077] gfs2_kill_sb+0x58/0x170 [ 54.111318][ T5077] deactivate_locked_super+0x98/0x160 [ 54.116701][ T5077] deactivate_super+0xb1/0xd0 [ 54.121390][ T5077] cleanup_mnt+0x2ae/0x3d0 [ 54.125817][ T5077] task_work_run+0x16f/0x270 [ 54.130422][ T5077] ? task_work_cancel+0x30/0x30 [ 54.135292][ T5077] do_exit+0xb17/0x2a90 [ 54.139465][ T5077] ? lock_downgrade+0x6e0/0x6e0 [ 54.144320][ T5077] ? do_raw_spin_lock+0x124/0x2b0 [ 54.149349][ T5077] ? mm_update_next_owner+0x7b0/0x7b0 [ 54.154733][ T5077] ? rwlock_bug.part.0+0x90/0x90 [ 54.159677][ T5077] ? _raw_spin_unlock_irq+0x23/0x50 [ 54.164905][ T5077] do_group_exit+0xd4/0x2a0 [ 54.169422][ T5077] __x64_sys_exit_group+0x3e/0x50 [ 54.174451][ T5077] do_syscall_64+0x39/0xb0 [ 54.178869][ T5077] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.184767][ T5077] RIP: 0033:0x7f2f775d1c99 [ 54.189181][ T5077] Code: Unable to access opcode bytes at 0x7f2f775d1c6f. [ 54.196196][ T5077] RSP: 002b:00007ffcec90d778 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 54.204610][ T5077] RAX: ffffffffffffffda RBX: 00007f2f776593f0 RCX: 00007f2f775d1c99 [ 54.212579][ T5077] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 54.220548][ T5077] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f2f77653e40 [ 54.228519][ T5077] R10: 00007ffcec90d690 R11: 0000000000000246 R12: 00007f2f776593f0 [ 54.236488][ T5077] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 54.244477][ T5077] [ 54.247681][ T5077] Kernel Offset: disabled [ 54.252187][ T5077] Rebooting in 86400 seconds..