./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3902735073 <...> Warning: Permanently added '10.128.1.220' (ED25519) to the list of known hosts. execve("./syz-executor3902735073", ["./syz-executor3902735073"], 0x7fffcb452310 /* 10 vars */) = 0 brk(NULL) = 0x55559469d000 brk(0x55559469dd00) = 0x55559469dd00 arch_prctl(ARCH_SET_FS, 0x55559469d380) = 0 set_tid_address(0x55559469d650) = 5220 set_robust_list(0x55559469d660, 24) = 0 rseq(0x55559469dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3902735073", 4096) = 28 getrandom("\xd1\x2c\x3f\xde\x44\xe4\x84\x0f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55559469dd00 brk(0x5555946bed00) = 0x5555946bed00 brk(0x5555946bf000) = 0x5555946bf000 mprotect(0x7f307af21000, 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 5221 attached [pid 5221] set_robust_list(0x55559469d660, 24 [pid 5220] <... clone resumed>, child_tidptr=0x55559469d650) = 5221 [pid 5221] <... set_robust_list resumed>) = 0 [pid 5221] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5221] setsid() = 1 [pid 5221] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5221] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5221] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5221] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5221] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5221] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5221] unshare(CLONE_NEWNS) = 0 [pid 5221] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5221] unshare(CLONE_NEWIPC) = 0 [pid 5221] unshare(CLONE_NEWCGROUP) = 0 [pid 5221] unshare(CLONE_NEWUTS) = 0 [pid 5221] unshare(CLONE_SYSVSEM) = 0 [pid 5221] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "16777216", 8) = 8 [pid 5221] close(3) = 0 [pid 5221] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "536870912", 9) = 9 [pid 5221] close(3) = 0 [pid 5221] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1024", 4) = 4 [pid 5221] close(3) = 0 [pid 5221] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "8192", 4) = 4 [pid 5221] close(3) = 0 [pid 5221] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1024", 4) = 4 [pid 5221] close(3) = 0 [pid 5221] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1024", 4) = 4 [pid 5221] close(3) = 0 [pid 5221] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5221] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5221] close(3) = 0 [pid 5221] getpid() = 1 [pid 5221] 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 [ 73.732548][ T5221] RSP: 0018:ffffc900035c7890 EFLAGS: 00010093 [ 73.738611][ T5221] RAX: ffffffff81cd7ac8 RBX: 0000000000000000 RCX: ffff8880255ebc00 [ 73.746581][ T5221] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 73.754537][ T5221] RBP: ffff888022c9ccf8 R08: ffffffff81cd7691 R09: 1ffff1100459399f [ 73.762494][ T5221] R10: dffffc0000000000 R11: ffffed10045939a0 R12: 0000000000000001 [ 73.770464][ T5221] R13: ffff888022c9cb88 R14: ffffea0001cc0dc0 R15: 1ffff1100459399f [ 73.778511][ T5221] FS: 0000000000000000(0000) GS:ffff8880b8800000(0000) knlGS:0000000000000000 [ 73.787435][ T5221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.794004][ T5221] CR2: 00007f307af25130 CR3: 000000000e534000 CR4: 00000000003506f0 [ 73.801967][ T5221] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 73.809924][ T5221] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 73.817877][ T5221] Call Trace: [ 73.821142][ T5221] [ 73.824056][ T5221] ? __warn+0x163/0x4e0 [ 73.828207][ T5221] ? __folio_mark_dirty+0x879/0xe20 [ 73.833395][ T5221] ? report_bug+0x2b3/0x500 [ 73.837894][ T5221] ? __folio_mark_dirty+0x879/0xe20 [ 73.843108][ T5221] ? handle_bug+0x3e/0x70 [ 73.847425][ T5221] ? exc_invalid_op+0x1a/0x50 [ 73.852105][ T5221] ? asm_exc_invalid_op+0x1a/0x20 [ 73.857134][ T5221] ? __folio_mark_dirty+0x441/0xe20 [ 73.862316][ T5221] ? __folio_mark_dirty+0x878/0xe20 [ 73.867499][ T5221] ? __folio_mark_dirty+0x879/0xe20 [ 73.872688][ T5221] mark_buffer_dirty+0x2a4/0x520 [ 73.877612][ T5221] gfs2_unpin+0x129/0xa60 [ 73.881942][ T5221] buf_lo_after_commit+0x14f/0x1a0 [ 73.887041][ T5221] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 73.892662][ T5221] gfs2_log_flush+0x118d/0x2610 [ 73.897517][ T5221] ? __pfx_gfs2_log_flush+0x10/0x10 [ 73.902702][ T5221] ? __pfx_call_rcu+0x10/0x10 [ 73.907374][ T5221] gfs2_kill_sb+0x5b/0x330 [ 73.911777][ T5221] ? shrinker_free+0x2ca/0x3d0 [ 73.916527][ T5221] deactivate_locked_super+0xc4/0x130 [ 73.921887][ T5221] cleanup_mnt+0x41f/0x4b0 [ 73.926285][ T5221] ? lockdep_hardirqs_on+0x99/0x150 [ 73.931489][ T5221] task_work_run+0x24f/0x310 [ 73.936066][ T5221] ? __pfx_task_work_run+0x10/0x10 [ 73.941163][ T5221] ? do_exit+0xa2a/0x27f0 [ 73.945473][ T5221] ? kmem_cache_free+0x145/0x350 [ 73.950400][ T5221] do_exit+0xa2f/0x27f0 [ 73.954543][ T5221] ? __pfx_do_exit+0x10/0x10 [ 73.959115][ T5221] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 73.965082][ T5221] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 73.971399][ T5221] ? _raw_spin_unlock_irq+0x23/0x50 [ 73.976587][ T5221] ? lockdep_hardirqs_on+0x99/0x150 [ 73.981778][ T5221] do_group_exit+0x207/0x2c0 [ 73.986361][ T5221] __x64_sys_exit_group+0x3f/0x40 [ 73.991367][ T5221] x64_sys_call+0x2634/0x2640 [ 73.996031][ T5221] do_syscall_64+0xf3/0x230 [ 74.000521][ T5221] ? clear_bhb_loop+0x35/0x90 [ 74.005181][ T5221] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.011061][ T5221] RIP: 0033:0x7f307ae739c9 [ 74.015471][ T5221] Code: Unable to access opcode bytes at 0x7f307ae7399f. [ 74.022472][ T5221] RSP: 002b:00007ffd6b1522e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 74.030872][ T5221] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f307ae739c9 [ 74.038826][ T5221] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 74.046869][ T5221] RBP: 00007f307af272b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 74.054823][ T5221] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f307af272b0 [ 74.062780][ T5221] R13: 0000000000000000 R14: 00007f307af28020 R15: 00007f307ae41f10 [ 74.070753][ T5221] [ 74.073758][ T5221] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 74.081019][ T5221] CPU: 0 UID: 0 PID: 5221 Comm: syz-executor390 Not tainted 6.11.0-rc6-syzkaller-00019-g67784a74e258 #0 [ 74.092124][ T5221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 74.102162][ T5221] Call Trace: [ 74.105425][ T5221] [ 74.108349][ T5221] dump_stack_lvl+0x241/0x360 [ 74.113019][ T5221] ? __pfx_dump_stack_lvl+0x10/0x10 [ 74.118213][ T5221] ? __pfx__printk+0x10/0x10 [ 74.122871][ T5221] ? _printk+0xd5/0x120 [ 74.127014][ T5221] ? vscnprintf+0x5d/0x90 [ 74.131327][ T5221] panic+0x349/0x860 [ 74.135203][ T5221] ? __warn+0x172/0x4e0 [ 74.139349][ T5221] ? __pfx_panic+0x10/0x10 [ 74.143755][ T5221] ? show_trace_log_lvl+0x4e6/0x520 [ 74.148951][ T5221] __warn+0x346/0x4e0 [ 74.152914][ T5221] ? __folio_mark_dirty+0x879/0xe20 [ 74.158094][ T5221] report_bug+0x2b3/0x500 [ 74.162413][ T5221] ? __folio_mark_dirty+0x879/0xe20 [ 74.167597][ T5221] handle_bug+0x3e/0x70 [ 74.171743][ T5221] exc_invalid_op+0x1a/0x50 [ 74.176229][ T5221] asm_exc_invalid_op+0x1a/0x20 [ 74.181063][ T5221] RIP: 0010:__folio_mark_dirty+0x879/0xe20 [ 74.186851][ T5221] 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 [ 74.206441][ T5221] RSP: 0018:ffffc900035c7890 EFLAGS: 00010093 [ 74.212496][ T5221] RAX: ffffffff81cd7ac8 RBX: 0000000000000000 RCX: ffff8880255ebc00 [ 74.220453][ T5221] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 74.228403][ T5221] RBP: ffff888022c9ccf8 R08: ffffffff81cd7691 R09: 1ffff1100459399f [ 74.236358][ T5221] R10: dffffc0000000000 R11: ffffed10045939a0 R12: 0000000000000001 [ 74.244314][ T5221] R13: ffff888022c9cb88 R14: ffffea0001cc0dc0 R15: 1ffff1100459399f [ 74.252386][ T5221] ? __folio_mark_dirty+0x441/0xe20 [ 74.257568][ T5221] ? __folio_mark_dirty+0x878/0xe20 [ 74.262763][ T5221] mark_buffer_dirty+0x2a4/0x520 [ 74.267688][ T5221] gfs2_unpin+0x129/0xa60 [ 74.272012][ T5221] buf_lo_after_commit+0x14f/0x1a0 [ 74.277104][ T5221] ? __pfx_buf_lo_after_commit+0x10/0x10 [ 74.282727][ T5221] gfs2_log_flush+0x118d/0x2610 [ 74.287571][ T5221] ? __pfx_gfs2_log_flush+0x10/0x10 [ 74.292770][ T5221] ? __pfx_call_rcu+0x10/0x10 [ 74.297434][ T5221] gfs2_kill_sb+0x5b/0x330 [ 74.301832][ T5221] ? shrinker_free+0x2ca/0x3d0 [ 74.306579][ T5221] deactivate_locked_super+0xc4/0x130 [ 74.311936][ T5221] cleanup_mnt+0x41f/0x4b0 [ 74.316336][ T5221] ? lockdep_hardirqs_on+0x99/0x150 [ 74.321517][ T5221] task_work_run+0x24f/0x310 [ 74.326091][ T5221] ? __pfx_task_work_run+0x10/0x10 [ 74.331187][ T5221] ? do_exit+0xa2a/0x27f0 [ 74.335494][ T5221] ? kmem_cache_free+0x145/0x350 [ 74.340418][ T5221] do_exit+0xa2f/0x27f0 [ 74.344560][ T5221] ? __pfx_do_exit+0x10/0x10 [ 74.349125][ T5221] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 74.355090][ T5221] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 74.361410][ T5221] ? _raw_spin_unlock_irq+0x23/0x50 [ 74.366593][ T5221] ? lockdep_hardirqs_on+0x99/0x150 [ 74.371775][ T5221] do_group_exit+0x207/0x2c0 [ 74.376350][ T5221] __x64_sys_exit_group+0x3f/0x40 [ 74.381357][ T5221] x64_sys_call+0x2634/0x2640 [ 74.386021][ T5221] do_syscall_64+0xf3/0x230 [ 74.390506][ T5221] ? clear_bhb_loop+0x35/0x90 [ 74.395185][ T5221] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.401077][ T5221] RIP: 0033:0x7f307ae739c9 [ 74.405472][ T5221] Code: Unable to access opcode bytes at 0x7f307ae7399f. [ 74.412577][ T5221] RSP: 002b:00007ffd6b1522e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 74.420976][ T5221] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f307ae739c9 [ 74.428932][ T5221] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 74.436908][ T5221] RBP: 00007f307af272b0 R08: ffffffffffffffb8 R09: 0000000000000006 [ 74.444864][ T5221] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f307af272b0 [ 74.452817][ T5221] R13: 0000000000000000 R14: 00007f307af28020 R15: 00007f307ae41f10 [ 74.460803][ T5221] [ 74.464039][ T5221] Kernel Offset: disabled [ 74.468496][ T5221] Rebooting in 86400 seconds..