./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1530024355 <...> Warning: Permanently added '10.128.0.202' (ED25519) to the list of known hosts. execve("./syz-executor1530024355", ["./syz-executor1530024355"], 0x7ffe0ee1ada0 /* 10 vars */) = 0 brk(NULL) = 0x55557ad2d000 brk(0x55557ad2dd00) = 0x55557ad2dd00 arch_prctl(ARCH_SET_FS, 0x55557ad2d380) = 0 set_tid_address(0x55557ad2d650) = 5218 set_robust_list(0x55557ad2d660, 24) = 0 rseq(0x55557ad2dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1530024355", 4096) = 28 getrandom("\x82\x93\x67\xfb\xce\xac\xe7\x50", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557ad2dd00 brk(0x55557ad4ed00) = 0x55557ad4ed00 brk(0x55557ad4f000) = 0x55557ad4f000 mprotect(0x7f78190cf000, 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 5219 attached , child_tidptr=0x55557ad2d650) = 5219 [pid 5219] set_robust_list(0x55557ad2d660, 24) = 0 [pid 5219] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5219] setsid() = 1 [pid 5219] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5219] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5219] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5219] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5219] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5219] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5219] unshare(CLONE_NEWNS) = 0 [pid 5219] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5219] unshare(CLONE_NEWIPC) = 0 [pid 5219] unshare(CLONE_NEWCGROUP) = 0 [pid 5219] unshare(CLONE_NEWUTS) = 0 [pid 5219] unshare(CLONE_SYSVSEM) = 0 [pid 5219] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "16777216", 8) = 8 [pid 5219] close(3) = 0 [pid 5219] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "536870912", 9) = 9 [pid 5219] close(3) = 0 [pid 5219] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "1024", 4) = 4 [pid 5219] close(3) = 0 [pid 5219] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "8192", 4) = 4 [pid 5219] close(3) = 0 [pid 5219] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "1024", 4) = 4 [pid 5219] close(3) = 0 [pid 5219] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "1024", 4) = 4 [pid 5219] close(3) = 0 [pid 5219] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5219] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5219] close(3) = 0 [pid 5219] getpid() = 1 [pid 5219] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 e9 cd fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 95 f9 [ 62.024358][ T5219] RSP: 0018:ffffc900034ff630 EFLAGS: 00010093 [ 62.030425][ T5219] RAX: ffffffff81cd7a48 RBX: 0000000000000000 RCX: ffff88803053bc00 [ 62.038404][ T5219] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 62.046354][ T5219] RBP: ffff888022d44178 R08: ffffffff81cd7611 R09: 1ffff110045a882f [ 62.054310][ T5219] R10: dffffc0000000000 R11: ffffed10045a8830 R12: 0000000000000001 [ 62.062263][ T5219] R13: ffff888022d44008 R14: ffffea0001f8f980 R15: 1ffff110045a882f [ 62.070228][ T5219] FS: 0000000000000000(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 62.079149][ T5219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.085737][ T5219] CR2: 00007f78190d3130 CR3: 000000000e534000 CR4: 00000000003506f0 [ 62.093692][ T5219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.101679][ T5219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.109633][ T5219] Call Trace: [ 62.112897][ T5219] [ 62.115841][ T5219] ? __warn+0x163/0x4e0 [ 62.119988][ T5219] ? __folio_mark_dirty+0x879/0xe20 [ 62.125171][ T5219] ? report_bug+0x2b3/0x500 [ 62.129666][ T5219] ? __folio_mark_dirty+0x879/0xe20 [ 62.134849][ T5219] ? handle_bug+0x3e/0x70 [ 62.139161][ T5219] ? exc_invalid_op+0x1a/0x50 [ 62.143830][ T5219] ? asm_exc_invalid_op+0x1a/0x20 [ 62.148841][ T5219] ? __folio_mark_dirty+0x441/0xe20 [ 62.154064][ T5219] ? __folio_mark_dirty+0x878/0xe20 [ 62.159244][ T5219] ? __folio_mark_dirty+0x879/0xe20 [ 62.164432][ T5219] mark_buffer_dirty+0x2a4/0x520 [ 62.169356][ T5219] gfs2_unpin+0x129/0xa60 [ 62.173682][ T5219] buf_lo_after_commit+0x14f/0x1a0 [ 62.178778][ T5219] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 62.184395][ T5219] gfs2_log_flush+0x118d/0x2610 [ 62.189240][ T5219] ? __pfx_gfs2_log_flush+0x10/0x10 [ 62.194427][ T5219] ? kfree+0x149/0x360 [ 62.198489][ T5219] do_sync+0xa0b/0xc60 [ 62.202545][ T5219] ? __pfx_do_sync+0x10/0x10 [ 62.207127][ T5219] ? do_raw_spin_unlock+0x13c/0x8b0 [ 62.212335][ T5219] gfs2_quota_sync+0x3bc/0x4a0 [ 62.217235][ T5219] gfs2_sync_fs+0x4d/0xc0 [ 62.221579][ T5219] sync_filesystem+0xed/0x230 [ 62.226246][ T5219] generic_shutdown_super+0x72/0x2d0 [ 62.231533][ T5219] kill_block_super+0x44/0x90 [ 62.236198][ T5219] deactivate_locked_super+0xc4/0x130 [ 62.241552][ T5219] cleanup_mnt+0x41f/0x4b0 [ 62.245952][ T5219] ? lockdep_hardirqs_on+0x99/0x150 [ 62.251134][ T5219] task_work_run+0x24f/0x310 [ 62.255709][ T5219] ? __pfx_task_work_run+0x10/0x10 [ 62.260824][ T5219] ? do_exit+0xa2a/0x27f0 [ 62.265135][ T5219] ? kmem_cache_free+0x145/0x350 [ 62.270060][ T5219] do_exit+0xa2f/0x27f0 [ 62.274213][ T5219] ? __pfx_do_exit+0x10/0x10 [ 62.278781][ T5219] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 62.284743][ T5219] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 62.291054][ T5219] ? _raw_spin_unlock_irq+0x23/0x50 [ 62.296236][ T5219] ? lockdep_hardirqs_on+0x99/0x150 [ 62.301428][ T5219] do_group_exit+0x207/0x2c0 [ 62.306009][ T5219] __x64_sys_exit_group+0x3f/0x40 [ 62.311015][ T5219] x64_sys_call+0x2634/0x2640 [ 62.315677][ T5219] do_syscall_64+0xf3/0x230 [ 62.320165][ T5219] ? clear_bhb_loop+0x35/0x90 [ 62.324832][ T5219] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.330705][ T5219] RIP: 0033:0x7f7819021989 [ 62.335111][ T5219] Code: Unable to access opcode bytes at 0x7f781902195f. [ 62.342111][ T5219] RSP: 002b:00007ffd755ce768 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 62.350508][ T5219] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7819021989 [ 62.358462][ T5219] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 62.366418][ T5219] RBP: 00007f78190d52b0 R08: ffffffffffffffb8 R09: 0000000000037fbb [ 62.374392][ T5219] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f78190d52b0 [ 62.382346][ T5219] R13: 0000000000000000 R14: 00007f78190d6020 R15: 00007f7818fefed0 [ 62.390308][ T5219] [ 62.393310][ T5219] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 62.400567][ T5219] CPU: 0 UID: 0 PID: 5219 Comm: syz-executor153 Not tainted 6.11.0-rc5-syzkaller-00219-g1934261d8974 #0 [ 62.411650][ T5219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 62.421688][ T5219] Call Trace: [ 62.424971][ T5219] [ 62.427884][ T5219] dump_stack_lvl+0x241/0x360 [ 62.432543][ T5219] ? __pfx_dump_stack_lvl+0x10/0x10 [ 62.437721][ T5219] ? __pfx__printk+0x10/0x10 [ 62.442294][ T5219] ? _printk+0xd5/0x120 [ 62.446440][ T5219] ? vscnprintf+0x5d/0x90 [ 62.450775][ T5219] panic+0x349/0x860 [ 62.454656][ T5219] ? __warn+0x172/0x4e0 [ 62.458794][ T5219] ? __pfx_panic+0x10/0x10 [ 62.463194][ T5219] ? show_trace_log_lvl+0x4e6/0x520 [ 62.468392][ T5219] __warn+0x346/0x4e0 [ 62.472354][ T5219] ? __folio_mark_dirty+0x879/0xe20 [ 62.477534][ T5219] report_bug+0x2b3/0x500 [ 62.481847][ T5219] ? __folio_mark_dirty+0x879/0xe20 [ 62.487031][ T5219] handle_bug+0x3e/0x70 [ 62.491167][ T5219] exc_invalid_op+0x1a/0x50 [ 62.495656][ T5219] asm_exc_invalid_op+0x1a/0x20 [ 62.500488][ T5219] RIP: 0010:__folio_mark_dirty+0x879/0xe20 [ 62.506277][ T5219] Code: f3 8b e8 5a 35 88 ff 90 0f 0b 90 90 e9 81 f9 ff ff e8 ab 11 c6 ff 4c 89 f7 48 8b 34 24 e8 af 42 33 00 eb 87 e8 98 11 c6 ff 90 <0f> 0b 90 e9 cd fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 95 f9 [ 62.525863][ T5219] RSP: 0018:ffffc900034ff630 EFLAGS: 00010093 [ 62.531909][ T5219] RAX: ffffffff81cd7a48 RBX: 0000000000000000 RCX: ffff88803053bc00 [ 62.539859][ T5219] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 62.547809][ T5219] RBP: ffff888022d44178 R08: ffffffff81cd7611 R09: 1ffff110045a882f [ 62.555760][ T5219] R10: dffffc0000000000 R11: ffffed10045a8830 R12: 0000000000000001 [ 62.563709][ T5219] R13: ffff888022d44008 R14: ffffea0001f8f980 R15: 1ffff110045a882f [ 62.571665][ T5219] ? __folio_mark_dirty+0x441/0xe20 [ 62.576846][ T5219] ? __folio_mark_dirty+0x878/0xe20 [ 62.582035][ T5219] mark_buffer_dirty+0x2a4/0x520 [ 62.586958][ T5219] gfs2_unpin+0x129/0xa60 [ 62.591277][ T5219] buf_lo_after_commit+0x14f/0x1a0 [ 62.596372][ T5219] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 62.601987][ T5219] gfs2_log_flush+0x118d/0x2610 [ 62.606834][ T5219] ? __pfx_gfs2_log_flush+0x10/0x10 [ 62.612015][ T5219] ? kfree+0x149/0x360 [ 62.616068][ T5219] do_sync+0xa0b/0xc60 [ 62.620124][ T5219] ? __pfx_do_sync+0x10/0x10 [ 62.624705][ T5219] ? do_raw_spin_unlock+0x13c/0x8b0 [ 62.629888][ T5219] gfs2_quota_sync+0x3bc/0x4a0 [ 62.634641][ T5219] gfs2_sync_fs+0x4d/0xc0 [ 62.638951][ T5219] sync_filesystem+0xed/0x230 [ 62.643613][ T5219] generic_shutdown_super+0x72/0x2d0 [ 62.648883][ T5219] kill_block_super+0x44/0x90 [ 62.653542][ T5219] deactivate_locked_super+0xc4/0x130 [ 62.658895][ T5219] cleanup_mnt+0x41f/0x4b0 [ 62.663295][ T5219] ? lockdep_hardirqs_on+0x99/0x150 [ 62.668479][ T5219] task_work_run+0x24f/0x310 [ 62.673056][ T5219] ? __pfx_task_work_run+0x10/0x10 [ 62.678150][ T5219] ? do_exit+0xa2a/0x27f0 [ 62.682460][ T5219] ? kmem_cache_free+0x145/0x350 [ 62.687383][ T5219] do_exit+0xa2f/0x27f0 [ 62.691524][ T5219] ? __pfx_do_exit+0x10/0x10 [ 62.696093][ T5219] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 62.702057][ T5219] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 62.708372][ T5219] ? _raw_spin_unlock_irq+0x23/0x50 [ 62.713571][ T5219] ? lockdep_hardirqs_on+0x99/0x150 [ 62.718762][ T5219] do_group_exit+0x207/0x2c0 [ 62.723340][ T5219] __x64_sys_exit_group+0x3f/0x40 [ 62.728348][ T5219] x64_sys_call+0x2634/0x2640 [ 62.733009][ T5219] do_syscall_64+0xf3/0x230 [ 62.737493][ T5219] ? clear_bhb_loop+0x35/0x90 [ 62.742153][ T5219] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.748030][ T5219] RIP: 0033:0x7f7819021989 [ 62.752422][ T5219] Code: Unable to access opcode bytes at 0x7f781902195f. [ 62.759416][ T5219] RSP: 002b:00007ffd755ce768 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 62.767842][ T5219] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f7819021989 [ 62.775799][ T5219] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 62.783765][ T5219] RBP: 00007f78190d52b0 R08: ffffffffffffffb8 R09: 0000000000037fbb [ 62.791723][ T5219] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f78190d52b0 [ 62.799721][ T5219] R13: 0000000000000000 R14: 00007f78190d6020 R15: 00007f7818fefed0 [ 62.807686][ T5219] [ 62.810897][ T5219] Kernel Offset: disabled [ 62.815353][ T5219] Rebooting in 86400 seconds..