./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3677286013 <...> forked to background, child pid 3207 no interfaces have a carrier [ 26.891082][ T3208] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.901042][ T3208] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.96' (ECDSA) to the list of known hosts. execve("./syz-executor3677286013", ["./syz-executor3677286013"], 0x7fff28f85ae0 /* 10 vars */) = 0 brk(NULL) = 0x555557530000 brk(0x555557530c40) = 0x555557530c40 arch_prctl(ARCH_SET_FS, 0x555557530300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3677286013", 4096) = 28 brk(0x555557551c40) = 0x555557551c40 brk(0x555557552000) = 0x555557552000 mprotect(0x7f690efa2000, 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 3629 attached , child_tidptr=0x5555575305d0) = 3629 [pid 3629] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3629] setsid() = 1 [pid 3629] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3629] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3629] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3629] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3629] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3629] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3629] unshare(CLONE_NEWNS) = 0 [pid 3629] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3629] unshare(CLONE_NEWIPC) = 0 [pid 3629] unshare(CLONE_NEWCGROUP) = 0 [pid 3629] unshare(CLONE_NEWUTS) = 0 [pid 3629] unshare(CLONE_SYSVSEM) = 0 [pid 3629] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] write(3, "16777216", 8) = 8 [pid 3629] close(3) = 0 [pid 3629] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] write(3, "536870912", 9) = 9 [pid 3629] close(3) = 0 [pid 3629] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] write(3, "1024", 4) = 4 [pid 3629] close(3) = 0 [pid 3629] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] write(3, "8192", 4) = 4 [pid 3629] close(3) = 0 [pid 3629] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] write(3, "1024", 4) = 4 [pid 3629] close(3) = 0 [pid 3629] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] write(3, "1024", 4) = 4 [pid 3629] close(3) = 0 [pid 3629] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3629] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3629] close(3) = 0 [pid 3629] getpid() = 1 [pid 3629] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 56 f9 ff ff e8 73 96 d3 ff e8 4e ce 40 08 31 ff 41 89 c4 [ 47.703034][ T3629] RSP: 0018:ffffc90003b1fa60 EFLAGS: 00010093 [ 47.709090][ T3629] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.717043][ T3629] RDX: ffff88801c8e1d40 RSI: ffffffff81ac8781 RDI: 0000000000000005 [ 47.725013][ T3629] RBP: ffffea00005f16c0 R08: 0000000000000005 R09: 0000000000000000 [ 47.732968][ T3629] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888144cbc978 [ 47.740923][ T3629] R13: ffffffff8e51a8c0 R14: 0000000000000293 R15: ffff888075852258 [ 47.748891][ T3629] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 47.757817][ T3629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.764393][ T3629] CR2: 00007f690efa6140 CR3: 0000000026c13000 CR4: 0000000000350ef0 [ 47.772357][ T3629] Call Trace: [ 47.775624][ T3629] [ 47.778574][ T3629] mark_buffer_dirty+0x70d/0xa40 [ 47.783521][ T3629] gfs2_unpin+0x109/0xcf0 [ 47.787871][ T3629] buf_lo_after_commit+0x144/0x210 [ 47.792986][ T3629] ? gfs2_unpin+0xcf0/0xcf0 [ 47.797497][ T3629] gfs2_log_flush+0x140f/0x28a0 [ 47.802357][ T3629] ? gfs2_ail_drain+0x630/0x630 [ 47.807218][ T3629] gfs2_kill_sb+0x58/0x170 [ 47.811636][ T3629] deactivate_locked_super+0x98/0x160 [ 47.817008][ T3629] deactivate_super+0xb1/0xd0 [ 47.821686][ T3629] cleanup_mnt+0x2ae/0x3d0 [ 47.826099][ T3629] task_work_run+0x16f/0x270 [ 47.830689][ T3629] ? task_work_cancel+0x30/0x30 [ 47.835564][ T3629] do_exit+0xb3d/0x2a30 [ 47.839719][ T3629] ? lock_downgrade+0x6e0/0x6e0 [ 47.844566][ T3629] ? do_raw_spin_lock+0x124/0x2b0 [ 47.849581][ T3629] ? mm_update_next_owner+0x7b0/0x7b0 [ 47.854949][ T3629] ? rwlock_bug.part.0+0x90/0x90 [ 47.859879][ T3629] ? _raw_spin_unlock_irq+0x23/0x50 [ 47.865075][ T3629] do_group_exit+0xd4/0x2a0 [ 47.869578][ T3629] __x64_sys_exit_group+0x3e/0x50 [ 47.874599][ T3629] do_syscall_64+0x39/0xb0 [ 47.879013][ T3629] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 47.884939][ T3629] RIP: 0033:0x7f690ef20c89 [ 47.889344][ T3629] Code: Unable to access opcode bytes at 0x7f690ef20c5f. [ 47.896343][ T3629] RSP: 002b:00007ffcbfcf1c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 47.904747][ T3629] RAX: ffffffffffffffda RBX: 00007f690efa83f0 RCX: 00007f690ef20c89 [ 47.912710][ T3629] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 47.920761][ T3629] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f690efa2e40 [ 47.928722][ T3629] R10: 00007ffcbfcf1ba0 R11: 0000000000000246 R12: 00007f690efa83f0 [ 47.936686][ T3629] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 47.944657][ T3629] [ 47.947665][ T3629] Kernel panic - not syncing: panic_on_warn set ... [ 47.954232][ T3629] CPU: 0 PID: 3629 Comm: syz-executor367 Not tainted 6.1.0-syzkaller #0 [ 47.962736][ T3629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 47.972868][ T3629] Call Trace: [ 47.976154][ T3629] [ 47.979075][ T3629] dump_stack_lvl+0xd1/0x138 [ 47.983661][ T3629] panic+0x2cc/0x626 [ 47.987554][ T3629] ? panic_print_sys_info.part.0+0x110/0x110 [ 47.993539][ T3629] ? __warn.cold+0x24b/0x350 [ 47.998130][ T3629] ? __folio_mark_dirty+0xbb1/0xf60 [ 48.003323][ T3629] __warn.cold+0x25c/0x350 [ 48.007734][ T3629] ? __folio_mark_dirty+0xbb1/0xf60 [ 48.012929][ T3629] report_bug+0x1c0/0x210 [ 48.017255][ T3629] handle_bug+0x3c/0x70 [ 48.021407][ T3629] exc_invalid_op+0x18/0x50 [ 48.025929][ T3629] asm_exc_invalid_op+0x1a/0x20 [ 48.030776][ T3629] RIP: 0010:__folio_mark_dirty+0xbb1/0xf60 [ 48.036577][ T3629] Code: 78 70 48 89 44 24 10 e8 3d cd 40 08 31 ff 89 c6 89 44 24 10 e8 40 93 d3 ff 8b 44 24 10 85 c0 0f 85 62 f9 ff ff e8 7f 96 d3 ff <0f> 0b e9 56 f9 ff ff e8 73 96 d3 ff e8 4e ce 40 08 31 ff 41 89 c4 [ 48.056177][ T3629] RSP: 0018:ffffc90003b1fa60 EFLAGS: 00010093 [ 48.062234][ T3629] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.070209][ T3629] RDX: ffff88801c8e1d40 RSI: ffffffff81ac8781 RDI: 0000000000000005 [ 48.078174][ T3629] RBP: ffffea00005f16c0 R08: 0000000000000005 R09: 0000000000000000 [ 48.086155][ T3629] R10: 0000000000000000 R11: 0000000000000001 R12: ffff888144cbc978 [ 48.094115][ T3629] R13: ffffffff8e51a8c0 R14: 0000000000000293 R15: ffff888075852258 [ 48.102086][ T3629] ? __folio_mark_dirty+0xbb1/0xf60 [ 48.107293][ T3629] mark_buffer_dirty+0x70d/0xa40 [ 48.112225][ T3629] gfs2_unpin+0x109/0xcf0 [ 48.116560][ T3629] buf_lo_after_commit+0x144/0x210 [ 48.121676][ T3629] ? gfs2_unpin+0xcf0/0xcf0 [ 48.126191][ T3629] gfs2_log_flush+0x140f/0x28a0 [ 48.131050][ T3629] ? gfs2_ail_drain+0x630/0x630 [ 48.135902][ T3629] gfs2_kill_sb+0x58/0x170 [ 48.140311][ T3629] deactivate_locked_super+0x98/0x160 [ 48.145680][ T3629] deactivate_super+0xb1/0xd0 [ 48.150375][ T3629] cleanup_mnt+0x2ae/0x3d0 [ 48.154792][ T3629] task_work_run+0x16f/0x270 [ 48.159387][ T3629] ? task_work_cancel+0x30/0x30 [ 48.164241][ T3629] do_exit+0xb3d/0x2a30 [ 48.168394][ T3629] ? lock_downgrade+0x6e0/0x6e0 [ 48.173241][ T3629] ? do_raw_spin_lock+0x124/0x2b0 [ 48.178255][ T3629] ? mm_update_next_owner+0x7b0/0x7b0 [ 48.183623][ T3629] ? rwlock_bug.part.0+0x90/0x90 [ 48.188550][ T3629] ? _raw_spin_unlock_irq+0x23/0x50 [ 48.193744][ T3629] do_group_exit+0xd4/0x2a0 [ 48.198333][ T3629] __x64_sys_exit_group+0x3e/0x50 [ 48.203351][ T3629] do_syscall_64+0x39/0xb0 [ 48.207766][ T3629] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 48.213745][ T3629] RIP: 0033:0x7f690ef20c89 [ 48.218145][ T3629] Code: Unable to access opcode bytes at 0x7f690ef20c5f. [ 48.225145][ T3629] RSP: 002b:00007ffcbfcf1c88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 48.233569][ T3629] RAX: ffffffffffffffda RBX: 00007f690efa83f0 RCX: 00007f690ef20c89 [ 48.241529][ T3629] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 48.249493][ T3629] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f690efa2e40 [ 48.257469][ T3629] R10: 00007ffcbfcf1ba0 R11: 0000000000000246 R12: 00007f690efa83f0 [ 48.265431][ T3629] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 48.273402][ T3629] [ 48.277122][ T3629] Kernel Offset: disabled [ 48.281600][ T3629] Rebooting in 86400 seconds..