./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor429397357 <...> forked to background, child pid 4641 no interfaces have a carrier [ 28.567614][ T4642] 8021q: adding VLAN 0 to HW filter on device bond0 [ 28.577349][ T4642] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.118' (ECDSA) to the list of known hosts. execve("./syz-executor429397357", ["./syz-executor429397357"], 0x7ffe3b60bbd0 /* 10 vars */) = 0 brk(NULL) = 0x555555aea000 brk(0x555555aeac40) = 0x555555aeac40 arch_prctl(ARCH_SET_FS, 0x555555aea300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor429397357", 4096) = 27 brk(0x555555b0bc40) = 0x555555b0bc40 brk(0x555555b0c000) = 0x555555b0c000 mprotect(0x7fbc93a16000, 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 5070 attached , child_tidptr=0x555555aea5d0) = 5070 [pid 5070] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5070] setsid() = 1 [pid 5070] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5070] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5070] unshare(CLONE_NEWNS) = 0 [pid 5070] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5070] unshare(CLONE_NEWIPC) = 0 [pid 5070] unshare(CLONE_NEWCGROUP) = 0 [pid 5070] unshare(CLONE_NEWUTS) = 0 [pid 5070] unshare(CLONE_SYSVSEM) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "16777216", 8) = 8 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "536870912", 9) = 9 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "8192", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024", 4) = 4 [pid 5070] close(3) = 0 [pid 5070] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5070] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5070] close(3) = 0 [pid 5070] getpid() = 1 [pid 5070] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 56 f9 ff ff e8 fc bb d2 ff e8 87 4b 57 08 31 ff 41 89 c4 [ 54.111812][ T5070] RSP: 0018:ffffc90003cdfa60 EFLAGS: 00010093 [ 54.117891][ T5070] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.125937][ T5070] RDX: ffff888025c01d40 RSI: ffffffff81ae95d8 RDI: 0000000000000005 [ 54.134175][ T5070] RBP: ffffea0001f05580 R08: 0000000000000005 R09: 0000000000000000 [ 54.142224][ T5070] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880128ddf78 [ 54.150294][ T5070] R13: ffffffff8e72d8c0 R14: 0000000000000293 R15: ffff88801cbfa258 [ 54.159127][ T5070] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 54.168056][ T5070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.174629][ T5070] CR2: 00007fbc93a1a140 CR3: 000000000c48e000 CR4: 0000000000350ef0 [ 54.182673][ T5070] Call Trace: [ 54.186112][ T5070] [ 54.189032][ T5070] mark_buffer_dirty+0x70d/0xa40 [ 54.193966][ T5070] gfs2_unpin+0x109/0xcf0 [ 54.198295][ T5070] buf_lo_after_commit+0x144/0x210 [ 54.203402][ T5070] ? gfs2_unpin+0xcf0/0xcf0 [ 54.207897][ T5070] gfs2_log_flush+0x140f/0x28a0 [ 54.212749][ T5070] ? gfs2_ail_drain+0x630/0x630 [ 54.217612][ T5070] gfs2_kill_sb+0x58/0x170 [ 54.222041][ T5070] deactivate_locked_super+0x98/0x160 [ 54.227417][ T5070] deactivate_super+0xb1/0xd0 [ 54.232481][ T5070] cleanup_mnt+0x2ae/0x3d0 [ 54.236895][ T5070] task_work_run+0x16f/0x270 [ 54.241491][ T5070] ? task_work_cancel+0x30/0x30 [ 54.246342][ T5070] do_exit+0xaa8/0x2950 [ 54.250511][ T5070] ? lock_downgrade+0x6e0/0x6e0 [ 54.255872][ T5070] ? do_raw_spin_lock+0x124/0x2b0 [ 54.261233][ T5070] ? mm_update_next_owner+0x7b0/0x7b0 [ 54.266621][ T5070] ? rwlock_bug.part.0+0x90/0x90 [ 54.271633][ T5070] ? _raw_spin_unlock_irq+0x23/0x50 [ 54.277091][ T5070] do_group_exit+0xd4/0x2a0 [ 54.281676][ T5070] __x64_sys_exit_group+0x3e/0x50 [ 54.286708][ T5070] do_syscall_64+0x39/0xb0 [ 54.291143][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.297021][ T5070] RIP: 0033:0x7fbc9396f9b9 [ 54.301441][ T5070] Code: Unable to access opcode bytes at 0x7fbc9396f98f. [ 54.308456][ T5070] RSP: 002b:00007fffc9152ae8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 54.316944][ T5070] RAX: ffffffffffffffda RBX: 00007fbc93a1c330 RCX: 00007fbc9396f9b9 [ 54.325424][ T5070] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 54.333471][ T5070] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fbc93a16e40 [ 54.341520][ T5070] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbc93a1c330 [ 54.349477][ T5070] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 54.358132][ T5070] [ 54.361141][ T5070] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 54.368399][ T5070] CPU: 0 PID: 5070 Comm: syz-executor429 Not tainted 6.1.0-syzkaller-14446-g8395ae05cb5a #0 [ 54.378453][ T5070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 54.388498][ T5070] Call Trace: [ 54.391778][ T5070] [ 54.394692][ T5070] dump_stack_lvl+0xd1/0x138 [ 54.399293][ T5070] panic+0x2cc/0x626 [ 54.403183][ T5070] ? panic_print_sys_info.part.0+0x110/0x110 [ 54.409158][ T5070] ? __folio_mark_dirty+0xba8/0xf50 [ 54.414347][ T5070] check_panic_on_warn.cold+0x19/0x35 [ 54.419709][ T5070] __warn+0xf2/0x1a0 [ 54.423595][ T5070] ? __folio_mark_dirty+0xba8/0xf50 [ 54.428778][ T5070] report_bug+0x1c0/0x210 [ 54.433093][ T5070] handle_bug+0x3c/0x70 [ 54.437236][ T5070] exc_invalid_op+0x18/0x50 [ 54.441727][ T5070] asm_exc_invalid_op+0x1a/0x20 [ 54.446562][ T5070] RIP: 0010:__folio_mark_dirty+0xba8/0xf50 [ 54.452371][ T5070] Code: 78 70 48 89 44 24 10 e8 76 4a 57 08 31 ff 89 c6 89 44 24 10 e8 c9 b8 d2 ff 8b 44 24 10 85 c0 0f 85 62 f9 ff ff e8 08 bc d2 ff <0f> 0b e9 56 f9 ff ff e8 fc bb d2 ff e8 87 4b 57 08 31 ff 41 89 c4 [ 54.472143][ T5070] RSP: 0018:ffffc90003cdfa60 EFLAGS: 00010093 [ 54.478195][ T5070] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 54.486167][ T5070] RDX: ffff888025c01d40 RSI: ffffffff81ae95d8 RDI: 0000000000000005 [ 54.494125][ T5070] RBP: ffffea0001f05580 R08: 0000000000000005 R09: 0000000000000000 [ 54.502170][ T5070] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880128ddf78 [ 54.510145][ T5070] R13: ffffffff8e72d8c0 R14: 0000000000000293 R15: ffff88801cbfa258 [ 54.518117][ T5070] ? __folio_mark_dirty+0xba8/0xf50 [ 54.523317][ T5070] mark_buffer_dirty+0x70d/0xa40 [ 54.528243][ T5070] gfs2_unpin+0x109/0xcf0 [ 54.532570][ T5070] buf_lo_after_commit+0x144/0x210 [ 54.537692][ T5070] ? gfs2_unpin+0xcf0/0xcf0 [ 54.542186][ T5070] gfs2_log_flush+0x140f/0x28a0 [ 54.547033][ T5070] ? gfs2_ail_drain+0x630/0x630 [ 54.551881][ T5070] gfs2_kill_sb+0x58/0x170 [ 54.556287][ T5070] deactivate_locked_super+0x98/0x160 [ 54.561670][ T5070] deactivate_super+0xb1/0xd0 [ 54.566355][ T5070] cleanup_mnt+0x2ae/0x3d0 [ 54.571111][ T5070] task_work_run+0x16f/0x270 [ 54.575710][ T5070] ? task_work_cancel+0x30/0x30 [ 54.580551][ T5070] do_exit+0xaa8/0x2950 [ 54.584700][ T5070] ? lock_downgrade+0x6e0/0x6e0 [ 54.589532][ T5070] ? do_raw_spin_lock+0x124/0x2b0 [ 54.594750][ T5070] ? mm_update_next_owner+0x7b0/0x7b0 [ 54.600197][ T5070] ? rwlock_bug.part.0+0x90/0x90 [ 54.605141][ T5070] ? _raw_spin_unlock_irq+0x23/0x50 [ 54.610329][ T5070] do_group_exit+0xd4/0x2a0 [ 54.614821][ T5070] __x64_sys_exit_group+0x3e/0x50 [ 54.619851][ T5070] do_syscall_64+0x39/0xb0 [ 54.624257][ T5070] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.630138][ T5070] RIP: 0033:0x7fbc9396f9b9 [ 54.634538][ T5070] Code: Unable to access opcode bytes at 0x7fbc9396f98f. [ 54.641540][ T5070] RSP: 002b:00007fffc9152ae8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 54.649935][ T5070] RAX: ffffffffffffffda RBX: 00007fbc93a1c330 RCX: 00007fbc9396f9b9 [ 54.657921][ T5070] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 54.665877][ T5070] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fbc93a16e40 [ 54.673836][ T5070] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbc93a1c330 [ 54.681814][ T5070] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 54.689784][ T5070] [ 54.693842][ T5070] Kernel Offset: disabled [ 54.698419][ T5070] Rebooting in 86400 seconds..