./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2404706158 <...> forked to background, child pid 4694 [ 30.822084][ T4695] 8021q: adding VLAN 0 to HW filter on device bond0 [ 30.832614][ T4695] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: [ 31.145095][ T4769] sshd (4769) used greatest stack depth: 22440 bytes left OK syzkaller Warning: Permanently added '10.128.1.15' (ECDSA) to the list of known hosts. execve("./syz-executor2404706158", ["./syz-executor2404706158"], 0x7ffff063bc10 /* 10 vars */) = 0 brk(NULL) = 0x555556bd1000 brk(0x555556bd1c40) = 0x555556bd1c40 arch_prctl(ARCH_SET_FS, 0x555556bd1300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2404706158", 4096) = 28 brk(0x555556bf2c40) = 0x555556bf2c40 brk(0x555556bf3000) = 0x555556bf3000 mprotect(0x7fa272e45000, 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, child_tidptr=0x555556bd15d0) = 5026 ./strace-static-x86_64: Process 5026 attached [pid 5026] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5026] setsid() = 1 [pid 5026] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5026] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5026] unshare(CLONE_NEWNS) = 0 [pid 5026] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5026] unshare(CLONE_NEWIPC) = 0 [pid 5026] unshare(CLONE_NEWCGROUP) = 0 [pid 5026] unshare(CLONE_NEWUTS) = 0 [pid 5026] unshare(CLONE_SYSVSEM) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "16777216", 8) = 8 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "536870912", 9) = 9 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "8192", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024", 4) = 4 [pid 5026] close(3) = 0 [pid 5026] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5026] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5026] close(3) = 0 [pid 5026] getpid() = 1 [pid 5026] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 e0 fb ff ff e8 02 39 90 fd 4c 8d ab a8 00 00 00 31 f6 4c [ 56.436668][ T5026] RSP: 0018:ffffc900039ffa28 EFLAGS: 00010293 [ 56.442728][ T5026] RAX: 0000000000000000 RBX: ffff88801ac87300 RCX: 0000000000000000 [ 56.450741][ T5026] RDX: ffff888027880000 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 56.458770][ T5026] RBP: ffff88814131f000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 56.466773][ T5026] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff88801ac87338 [ 56.474784][ T5026] R13: ffffc90003a21000 R14: ffff88814131f460 R15: ffff88801ac87300 [ 56.482745][ T5026] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 56.491703][ T5026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.498368][ T5026] CR2: 00007fa272e49140 CR3: 000000002cb45000 CR4: 00000000003506f0 [ 56.506407][ T5026] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.514404][ T5026] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.522443][ T5026] Call Trace: [ 56.525746][ T5026] [ 56.528667][ T5026] ? __warn+0xe6/0x390 [ 56.532734][ T5026] ? blkdev_put+0x562/0x8a0 [ 56.537289][ T5026] ? report_bug+0x2da/0x500 [ 56.541826][ T5026] ? handle_bug+0x3c/0x70 [ 56.546194][ T5026] ? exc_invalid_op+0x18/0x50 [ 56.550892][ T5026] ? asm_exc_invalid_op+0x1a/0x20 [ 56.555987][ T5026] ? blkdev_put+0x562/0x8a0 [ 56.560514][ T5026] ? blkdev_put+0x562/0x8a0 [ 56.565063][ T5026] ? blkdev_put+0x562/0x8a0 [ 56.569682][ T5026] free_journal_ram+0x421/0x5c0 [ 56.574600][ T5026] journal_release+0x276/0x630 [ 56.579382][ T5026] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 56.586094][ T5026] ? do_raw_spin_unlock+0x175/0x230 [ 56.591318][ T5026] reiserfs_put_super+0xe4/0x5c0 [ 56.596309][ T5026] ? reiserfs_quota_read+0x4f0/0x4f0 [ 56.601626][ T5026] ? dispose_list+0x1e0/0x1e0 [ 56.606341][ T5026] ? fscrypt_destroy_keyring+0x1a/0x380 [ 56.611906][ T5026] ? reiserfs_quota_read+0x4f0/0x4f0 [ 56.617289][ T5026] generic_shutdown_super+0x158/0x480 [ 56.622701][ T5026] kill_block_super+0x64/0xb0 [ 56.627461][ T5026] deactivate_locked_super+0x98/0x160 [ 56.632873][ T5026] deactivate_super+0xb1/0xd0 [ 56.637609][ T5026] cleanup_mnt+0x2ae/0x3d0 [ 56.642045][ T5026] task_work_run+0x16f/0x270 [ 56.646669][ T5026] ? task_work_cancel+0x30/0x30 [ 56.651534][ T5026] ? __put_net+0x61/0x70 [ 56.655836][ T5026] do_exit+0xadc/0x2a30 [ 56.660010][ T5026] ? lock_downgrade+0x690/0x690 [ 56.664895][ T5026] ? do_raw_spin_lock+0x124/0x2b0 [ 56.669948][ T5026] ? mm_update_next_owner+0x7b0/0x7b0 [ 56.675370][ T5026] ? spin_bug+0x1c0/0x1c0 [ 56.679723][ T5026] ? _raw_spin_unlock_irq+0x23/0x50 [ 56.684972][ T5026] do_group_exit+0xd4/0x2a0 [ 56.689490][ T5026] __x64_sys_exit_group+0x3e/0x50 [ 56.694548][ T5026] do_syscall_64+0x39/0xb0 [ 56.698981][ T5026] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.704930][ T5026] RIP: 0033:0x7fa272dd49e9 [ 56.709351][ T5026] Code: Unable to access opcode bytes at 0x7fa272dd49bf. [ 56.716391][ T5026] RSP: 002b:00007ffd32e9cbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 56.724847][ T5026] RAX: ffffffffffffffda RBX: 00007fa272e4b330 RCX: 00007fa272dd49e9 [ 56.732838][ T5026] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 56.740855][ T5026] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 56.748913][ T5026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa272e4b330 [ 56.756929][ T5026] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 56.764982][ T5026] [ 56.767994][ T5026] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 56.775254][ T5026] CPU: 0 PID: 5026 Comm: syz-executor240 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 56.785128][ T5026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 56.795170][ T5026] Call Trace: [ 56.798437][ T5026] [ 56.801354][ T5026] dump_stack_lvl+0xd9/0x150 [ 56.805940][ T5026] panic+0x686/0x730 [ 56.809828][ T5026] ? panic_smp_self_stop+0xa0/0xa0 [ 56.814930][ T5026] ? show_trace_log_lvl+0x284/0x390 [ 56.820132][ T5026] ? blkdev_put+0x562/0x8a0 [ 56.824630][ T5026] check_panic_on_warn+0xb1/0xc0 [ 56.829562][ T5026] __warn+0xf2/0x390 [ 56.833448][ T5026] ? blkdev_put+0x562/0x8a0 [ 56.837942][ T5026] report_bug+0x2da/0x500 [ 56.842264][ T5026] handle_bug+0x3c/0x70 [ 56.846410][ T5026] exc_invalid_op+0x18/0x50 [ 56.851019][ T5026] asm_exc_invalid_op+0x1a/0x20 [ 56.855867][ T5026] RIP: 0010:blkdev_put+0x562/0x8a0 [ 56.861005][ T5026] Code: c0 74 08 3c 03 0f 8e 23 03 00 00 41 83 ac 24 f0 04 00 00 01 e9 2b fe ff ff e8 1a 39 90 fd 0f 0b e9 4b fc ff ff e8 0e 39 90 fd <0f> 0b e9 e0 fb ff ff e8 02 39 90 fd 4c 8d ab a8 00 00 00 31 f6 4c [ 56.880615][ T5026] RSP: 0018:ffffc900039ffa28 EFLAGS: 00010293 [ 56.886684][ T5026] RAX: 0000000000000000 RBX: ffff88801ac87300 RCX: 0000000000000000 [ 56.894655][ T5026] RDX: ffff888027880000 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 56.902628][ T5026] RBP: ffff88814131f000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 56.910690][ T5026] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff88801ac87338 [ 56.918660][ T5026] R13: ffffc90003a21000 R14: ffff88814131f460 R15: ffff88801ac87300 [ 56.926644][ T5026] ? blkdev_put+0x562/0x8a0 [ 56.931177][ T5026] ? blkdev_put+0x562/0x8a0 [ 56.935700][ T5026] free_journal_ram+0x421/0x5c0 [ 56.940563][ T5026] journal_release+0x276/0x630 [ 56.945422][ T5026] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 56.952113][ T5026] ? do_raw_spin_unlock+0x175/0x230 [ 56.957336][ T5026] reiserfs_put_super+0xe4/0x5c0 [ 56.962289][ T5026] ? reiserfs_quota_read+0x4f0/0x4f0 [ 56.967594][ T5026] ? dispose_list+0x1e0/0x1e0 [ 56.972288][ T5026] ? fscrypt_destroy_keyring+0x1a/0x380 [ 56.977851][ T5026] ? reiserfs_quota_read+0x4f0/0x4f0 [ 56.983155][ T5026] generic_shutdown_super+0x158/0x480 [ 56.988550][ T5026] kill_block_super+0x64/0xb0 [ 56.993238][ T5026] deactivate_locked_super+0x98/0x160 [ 56.998711][ T5026] deactivate_super+0xb1/0xd0 [ 57.003401][ T5026] cleanup_mnt+0x2ae/0x3d0 [ 57.007830][ T5026] task_work_run+0x16f/0x270 [ 57.012442][ T5026] ? task_work_cancel+0x30/0x30 [ 57.017308][ T5026] ? __put_net+0x61/0x70 [ 57.021571][ T5026] do_exit+0xadc/0x2a30 [ 57.025736][ T5026] ? lock_downgrade+0x690/0x690 [ 57.030601][ T5026] ? do_raw_spin_lock+0x124/0x2b0 [ 57.035644][ T5026] ? mm_update_next_owner+0x7b0/0x7b0 [ 57.041018][ T5026] ? spin_bug+0x1c0/0x1c0 [ 57.045365][ T5026] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.050586][ T5026] do_group_exit+0xd4/0x2a0 [ 57.055097][ T5026] __x64_sys_exit_group+0x3e/0x50 [ 57.060125][ T5026] do_syscall_64+0x39/0xb0 [ 57.064551][ T5026] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.070452][ T5026] RIP: 0033:0x7fa272dd49e9 [ 57.074867][ T5026] Code: Unable to access opcode bytes at 0x7fa272dd49bf. [ 57.081886][ T5026] RSP: 002b:00007ffd32e9cbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 57.090302][ T5026] RAX: ffffffffffffffda RBX: 00007fa272e4b330 RCX: 00007fa272dd49e9 [ 57.098288][ T5026] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 57.106256][ T5026] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 57.114226][ T5026] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa272e4b330 [ 57.122202][ T5026] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 57.130186][ T5026] [ 57.133354][ T5026] Kernel Offset: disabled [ 57.137751][ T5026] Rebooting in 86400 seconds..