./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2457446884 <...> Warning: Permanently added '10.128.0.117' (ECDSA) to the list of known hosts. execve("./syz-executor2457446884", ["./syz-executor2457446884"], 0x7ffd05187260 /* 10 vars */) = 0 brk(NULL) = 0x555555ab1000 brk(0x555555ab1c40) = 0x555555ab1c40 arch_prctl(ARCH_SET_FS, 0x555555ab1300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2457446884", 4096) = 28 brk(0x555555ad2c40) = 0x555555ad2c40 brk(0x555555ad3000) = 0x555555ad3000 mprotect(0x7f360f82f000, 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 3632 attached , child_tidptr=0x555555ab15d0) = 3632 [pid 3632] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3632] setsid() = 1 [pid 3632] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3632] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3632] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3632] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3632] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3632] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3632] unshare(CLONE_NEWNS) = 0 [pid 3632] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3632] unshare(CLONE_NEWIPC) = 0 [pid 3632] unshare(CLONE_NEWCGROUP) = 0 [pid 3632] unshare(CLONE_NEWUTS) = 0 [pid 3632] unshare(CLONE_SYSVSEM) = 0 [pid 3632] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "16777216", 8) = 8 [pid 3632] close(3) = 0 [pid 3632] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "536870912", 9) = 9 [pid 3632] close(3) = 0 [pid 3632] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "1024", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "8192", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "1024", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "1024", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3632] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3632] close(3) = 0 [pid 3632] getpid() = 1 [pid 3632] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 8a fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 7a fb ff [ 63.730422][ T3632] RSP: 0018:ffffc90003b5f8f0 EFLAGS: 00010093 [ 63.736474][ T3632] RAX: ffffffff81ba2c79 RBX: 0000000000000000 RCX: ffff8880213eba80 [ 63.744430][ T3632] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 63.752385][ T3632] RBP: ffff88801ecb8778 R08: ffffffff81ba29fd R09: ffffed1003d970f0 [ 63.760343][ T3632] R10: ffffed1003d970f0 R11: 1ffff11003d970ef R12: dffffc0000000000 [ 63.768298][ T3632] R13: ffffea0001da0340 R14: 0000000000000001 R15: 1ffff11003d970ef [ 63.776255][ T3632] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 63.785515][ T3632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.792082][ T3632] CR2: 00007f360f833140 CR3: 0000000029721000 CR4: 00000000003506f0 [ 63.800074][ T3632] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.808037][ T3632] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.815992][ T3632] Call Trace: [ 63.819261][ T3632] [ 63.822179][ T3632] ? gfs2_write_log_header+0x8e2/0xad0 [ 63.827657][ T3632] __folio_mark_dirty+0x125/0x260 [ 63.832669][ T3632] mark_buffer_dirty+0x253/0x550 [ 63.837598][ T3632] gfs2_unpin+0x10b/0xa20 [ 63.841911][ T3632] ? log_pull_tail+0x7e/0x390 [ 63.846582][ T3632] buf_lo_after_commit+0x172/0x1d0 [ 63.851676][ T3632] ? buf_lo_before_commit+0xe0/0xe0 [ 63.856859][ T3632] gfs2_log_flush+0x1179/0x26a0 [ 63.861885][ T3632] ? gfs2_ail_drain+0xdb0/0xdb0 [ 63.866730][ T3632] ? radix_tree_delete_item+0x2e2/0x3d0 [ 63.872266][ T3632] ? trace_kfree+0x30/0xe0 [ 63.876671][ T3632] ? kfree+0x16/0xe0 [ 63.880554][ T3632] gfs2_kill_sb+0x50/0xd0 [ 63.884876][ T3632] deactivate_locked_super+0xa7/0xf0 [ 63.890239][ T3632] cleanup_mnt+0x494/0x520 [ 63.894644][ T3632] ? lockdep_hardirqs_on+0x8d/0x130 [ 63.899831][ T3632] task_work_run+0x243/0x300 [ 63.904439][ T3632] ? task_work_cancel+0x290/0x290 [ 63.909452][ T3632] ? do_exit+0x65f/0x2070 [ 63.913812][ T3632] do_exit+0x664/0x2070 [ 63.917960][ T3632] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 63.923926][ T3632] ? mm_update_next_owner+0x6d0/0x6d0 [ 63.929287][ T3632] ? print_irqtrace_events+0x220/0x220 [ 63.934745][ T3632] ? _raw_spin_unlock_irq+0x1f/0x40 [ 63.939934][ T3632] ? lockdep_hardirqs_on+0x8d/0x130 [ 63.945121][ T3632] do_group_exit+0x1fd/0x2b0 [ 63.949703][ T3632] __x64_sys_exit_group+0x3b/0x40 [ 63.954715][ T3632] do_syscall_64+0x3d/0xb0 [ 63.959118][ T3632] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 63.964996][ T3632] RIP: 0033:0x7f360f7ad9d9 [ 63.969404][ T3632] Code: Unable to access opcode bytes at 0x7f360f7ad9af. [ 63.976404][ T3632] RSP: 002b:00007ffd850c9838 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 63.984803][ T3632] RAX: ffffffffffffffda RBX: 00007f360f835330 RCX: 00007f360f7ad9d9 [ 63.992759][ T3632] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 64.000718][ T3632] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f360f82fe40 [ 64.008674][ T3632] R10: 00007ffd850c9750 R11: 0000000000000246 R12: 00007f360f835330 [ 64.016633][ T3632] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 64.024598][ T3632] [ 64.027601][ T3632] Kernel panic - not syncing: panic_on_warn set ... [ 64.034168][ T3632] CPU: 0 PID: 3632 Comm: syz-executor245 Not tainted 6.1.0-rc8-syzkaller #0 [ 64.042823][ T3632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 64.052863][ T3632] Call Trace: [ 64.056132][ T3632] [ 64.059066][ T3632] dump_stack_lvl+0x1b1/0x28e [ 64.063734][ T3632] ? nf_tcp_handle_invalid+0x62e/0x62e [ 64.069177][ T3632] ? panic+0x710/0x710 [ 64.073236][ T3632] ? vscnprintf+0x59/0x80 [ 64.077556][ T3632] ? folio_account_dirtied+0x470/0x6e0 [ 64.083003][ T3632] panic+0x2d6/0x710 [ 64.086889][ T3632] ? __warn+0x131/0x220 [ 64.091037][ T3632] ? memcpy_page_flushcache+0xfc/0xfc [ 64.096403][ T3632] ? folio_account_dirtied+0x4e9/0x6e0 [ 64.101847][ T3632] __warn+0x1fa/0x220 [ 64.105820][ T3632] ? folio_account_dirtied+0x4e9/0x6e0 [ 64.111269][ T3632] report_bug+0x1b3/0x2d0 [ 64.115620][ T3632] handle_bug+0x3d/0x70 [ 64.119762][ T3632] exc_invalid_op+0x16/0x40 [ 64.124253][ T3632] asm_exc_invalid_op+0x16/0x20 [ 64.129091][ T3632] RIP: 0010:folio_account_dirtied+0x4e9/0x6e0 [ 64.135145][ T3632] Code: 5d 41 5e 41 5f 5d c3 e8 d5 6d d0 ff 4c 89 ef 4c 89 e6 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 6c c5 2b 00 e8 b7 6d d0 ff <0f> 0b e9 8a fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 7a fb ff [ 64.154737][ T3632] RSP: 0018:ffffc90003b5f8f0 EFLAGS: 00010093 [ 64.160794][ T3632] RAX: ffffffff81ba2c79 RBX: 0000000000000000 RCX: ffff8880213eba80 [ 64.168751][ T3632] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 64.177322][ T3632] RBP: ffff88801ecb8778 R08: ffffffff81ba29fd R09: ffffed1003d970f0 [ 64.185282][ T3632] R10: ffffed1003d970f0 R11: 1ffff11003d970ef R12: dffffc0000000000 [ 64.193259][ T3632] R13: ffffea0001da0340 R14: 0000000000000001 R15: 1ffff11003d970ef [ 64.201220][ T3632] ? folio_account_dirtied+0x26d/0x6e0 [ 64.206664][ T3632] ? folio_account_dirtied+0x4e9/0x6e0 [ 64.212112][ T3632] ? gfs2_write_log_header+0x8e2/0xad0 [ 64.217563][ T3632] __folio_mark_dirty+0x125/0x260 [ 64.222577][ T3632] mark_buffer_dirty+0x253/0x550 [ 64.227503][ T3632] gfs2_unpin+0x10b/0xa20 [ 64.231815][ T3632] ? log_pull_tail+0x7e/0x390 [ 64.236487][ T3632] buf_lo_after_commit+0x172/0x1d0 [ 64.241583][ T3632] ? buf_lo_before_commit+0xe0/0xe0 [ 64.246851][ T3632] gfs2_log_flush+0x1179/0x26a0 [ 64.251704][ T3632] ? gfs2_ail_drain+0xdb0/0xdb0 [ 64.256542][ T3632] ? radix_tree_delete_item+0x2e2/0x3d0 [ 64.262079][ T3632] ? trace_kfree+0x30/0xe0 [ 64.266481][ T3632] ? kfree+0x16/0xe0 [ 64.270365][ T3632] gfs2_kill_sb+0x50/0xd0 [ 64.274696][ T3632] deactivate_locked_super+0xa7/0xf0 [ 64.279980][ T3632] cleanup_mnt+0x494/0x520 [ 64.284389][ T3632] ? lockdep_hardirqs_on+0x8d/0x130 [ 64.289581][ T3632] task_work_run+0x243/0x300 [ 64.294173][ T3632] ? task_work_cancel+0x290/0x290 [ 64.299227][ T3632] ? do_exit+0x65f/0x2070 [ 64.303567][ T3632] do_exit+0x664/0x2070 [ 64.308153][ T3632] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 64.314304][ T3632] ? mm_update_next_owner+0x6d0/0x6d0 [ 64.319678][ T3632] ? print_irqtrace_events+0x220/0x220 [ 64.325125][ T3632] ? _raw_spin_unlock_irq+0x1f/0x40 [ 64.330317][ T3632] ? lockdep_hardirqs_on+0x8d/0x130 [ 64.335619][ T3632] do_group_exit+0x1fd/0x2b0 [ 64.340202][ T3632] __x64_sys_exit_group+0x3b/0x40 [ 64.345222][ T3632] do_syscall_64+0x3d/0xb0 [ 64.349631][ T3632] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 64.355509][ T3632] RIP: 0033:0x7f360f7ad9d9 [ 64.359911][ T3632] Code: Unable to access opcode bytes at 0x7f360f7ad9af. [ 64.366909][ T3632] RSP: 002b:00007ffd850c9838 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 64.375309][ T3632] RAX: ffffffffffffffda RBX: 00007f360f835330 RCX: 00007f360f7ad9d9 [ 64.383269][ T3632] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 64.391225][ T3632] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f360f82fe40 [ 64.399182][ T3632] R10: 00007ffd850c9750 R11: 0000000000000246 R12: 00007f360f835330 [ 64.407138][ T3632] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 64.415107][ T3632] [ 64.418280][ T3632] Kernel Offset: disabled [ 64.422755][ T3632] Rebooting in 86400 seconds..