./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2758388479 <...> DUID 00:04:06:88:74:a7:04:75:62:cb:55:93:34:09:94:90:e1:fe forked to background, child pid 4693 [ 47.509966][ T4694] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.535504][ T4694] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.4' (ECDSA) to the list of known hosts. execve("./syz-executor2758388479", ["./syz-executor2758388479"], 0x7ffd1263f870 /* 10 vars */) = 0 brk(NULL) = 0x5555573c8000 brk(0x5555573c8c40) = 0x5555573c8c40 arch_prctl(ARCH_SET_FS, 0x5555573c8300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2758388479", 4096) = 28 brk(0x5555573e9c40) = 0x5555573e9c40 brk(0x5555573ea000) = 0x5555573ea000 mprotect(0x7f5cf6389000, 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=0x5555573c85d0) = 5028 ./strace-static-x86_64: Process 5028 attached [pid 5028] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5028] setsid() = 1 [pid 5028] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5028] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5028] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5028] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5028] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5028] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5028] unshare(CLONE_NEWNS) = 0 [pid 5028] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5028] unshare(CLONE_NEWIPC) = 0 [pid 5028] unshare(CLONE_NEWCGROUP) = 0 [pid 5028] unshare(CLONE_NEWUTS) = 0 [pid 5028] unshare(CLONE_SYSVSEM) = 0 [pid 5028] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "16777216", 8) = 8 [pid 5028] close(3) = 0 [pid 5028] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "536870912", 9) = 9 [pid 5028] close(3) = 0 [pid 5028] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "1024", 4) = 4 [pid 5028] close(3) = 0 [pid 5028] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "8192", 4) = 4 [pid 5028] close(3) = 0 [pid 5028] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "1024", 4) = 4 [pid 5028] close(3) = 0 [pid 5028] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "1024", 4) = 4 [pid 5028] close(3) = 0 [pid 5028] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5028] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5028] close(3) = 0 [pid 5028] getpid() = 1 [pid 5028] 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 [ 89.298879][ T5028] RSP: 0018:ffffc90003b6fa28 EFLAGS: 00010293 [ 89.305473][ T5028] RAX: 0000000000000000 RBX: ffff8881488fa280 RCX: 0000000000000000 [ 89.313834][ T5028] RDX: ffff88802acd1dc0 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 89.321844][ T5028] RBP: ffff888140133000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 89.329975][ T5028] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff8881488fa2b8 [ 89.338016][ T5028] R13: ffffc90003b81000 R14: ffff888140133460 R15: ffff8881488fa280 [ 89.346046][ T5028] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 89.355051][ T5028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.361653][ T5028] CR2: 00007f5cf638d140 CR3: 000000000c775000 CR4: 00000000003506f0 [ 89.369720][ T5028] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.377778][ T5028] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.385813][ T5028] Call Trace: [ 89.389121][ T5028] [ 89.392079][ T5028] ? __warn+0xe6/0x390 [ 89.396228][ T5028] ? blkdev_put+0x562/0x8a0 [ 89.400793][ T5028] ? report_bug+0x2da/0x500 [ 89.405407][ T5028] ? handle_bug+0x3c/0x70 [ 89.409787][ T5028] ? exc_invalid_op+0x18/0x50 [ 89.414581][ T5028] ? asm_exc_invalid_op+0x1a/0x20 [ 89.419684][ T5028] ? blkdev_put+0x562/0x8a0 [ 89.424306][ T5028] ? blkdev_put+0x562/0x8a0 [ 89.428889][ T5028] ? blkdev_put+0x562/0x8a0 [ 89.433512][ T5028] free_journal_ram+0x421/0x5c0 [ 89.438413][ T5028] journal_release+0x276/0x630 [ 89.443250][ T5028] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 89.449980][ T5028] ? do_raw_spin_unlock+0x175/0x230 [ 89.455276][ T5028] reiserfs_put_super+0xe4/0x5c0 [ 89.460270][ T5028] ? reiserfs_quota_read+0x4f0/0x4f0 [ 89.465640][ T5028] ? dispose_list+0x1e0/0x1e0 [ 89.470377][ T5028] ? fscrypt_destroy_keyring+0x1a/0x380 [ 89.476021][ T5028] ? reiserfs_quota_read+0x4f0/0x4f0 [ 89.481386][ T5028] generic_shutdown_super+0x158/0x480 [ 89.486867][ T5028] kill_block_super+0x64/0xb0 [ 89.491606][ T5028] deactivate_locked_super+0x98/0x160 [ 89.497073][ T5028] deactivate_super+0xb1/0xd0 [ 89.501806][ T5028] cleanup_mnt+0x2ae/0x3d0 [ 89.506322][ T5028] task_work_run+0x16f/0x270 [ 89.510964][ T5028] ? task_work_cancel+0x30/0x30 [ 89.515912][ T5028] ? __put_net+0x61/0x70 [ 89.520234][ T5028] do_exit+0xadc/0x2a30 [ 89.524473][ T5028] ? lock_downgrade+0x690/0x690 [ 89.529399][ T5028] ? do_raw_spin_lock+0x124/0x2b0 [ 89.534546][ T5028] ? mm_update_next_owner+0x7b0/0x7b0 [ 89.539976][ T5028] ? spin_bug+0x1c0/0x1c0 [ 89.544432][ T5028] ? _raw_spin_unlock_irq+0x23/0x50 [ 89.549694][ T5028] do_group_exit+0xd4/0x2a0 [ 89.554288][ T5028] __x64_sys_exit_group+0x3e/0x50 [ 89.559359][ T5028] do_syscall_64+0x39/0xb0 [ 89.563854][ T5028] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 89.569801][ T5028] RIP: 0033:0x7f5cf63189c9 [ 89.574279][ T5028] Code: Unable to access opcode bytes at 0x7f5cf631899f. [ 89.581325][ T5028] RSP: 002b:00007ffd97b4eab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 89.589837][ T5028] RAX: ffffffffffffffda RBX: 00007f5cf638f330 RCX: 00007f5cf63189c9 [ 89.597877][ T5028] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 89.605923][ T5028] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 89.613953][ T5028] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5cf638f330 [ 89.621939][ T5028] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 89.630016][ T5028] [ 89.633103][ T5028] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 89.640392][ T5028] CPU: 0 PID: 5028 Comm: syz-executor275 Not tainted 6.4.0-rc6-next-20230616-syzkaller #0 [ 89.650299][ T5028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 89.660545][ T5028] Call Trace: [ 89.663848][ T5028] [ 89.666795][ T5028] dump_stack_lvl+0xd9/0x150 [ 89.671421][ T5028] panic+0x686/0x730 [ 89.675357][ T5028] ? panic_smp_self_stop+0xa0/0xa0 [ 89.680509][ T5028] ? show_trace_log_lvl+0x284/0x390 [ 89.685766][ T5028] ? blkdev_put+0x562/0x8a0 [ 89.690318][ T5028] check_panic_on_warn+0xb1/0xc0 [ 89.695299][ T5028] __warn+0xf2/0x390 [ 89.699236][ T5028] ? blkdev_put+0x562/0x8a0 [ 89.703782][ T5028] report_bug+0x2da/0x500 [ 89.708186][ T5028] handle_bug+0x3c/0x70 [ 89.712375][ T5028] exc_invalid_op+0x18/0x50 [ 89.716914][ T5028] asm_exc_invalid_op+0x1a/0x20 [ 89.721793][ T5028] RIP: 0010:blkdev_put+0x562/0x8a0 [ 89.726962][ T5028] 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 [ 89.746595][ T5028] RSP: 0018:ffffc90003b6fa28 EFLAGS: 00010293 [ 89.752692][ T5028] RAX: 0000000000000000 RBX: ffff8881488fa280 RCX: 0000000000000000 [ 89.760688][ T5028] RDX: ffff88802acd1dc0 RSI: ffffffff83f42912 RDI: 0000000000000001 [ 89.768708][ T5028] RBP: ffff888140133000 R08: 0000000000000000 R09: fffffbfff1d53172 [ 89.776703][ T5028] R10: ffffffff8ea98b97 R11: 0000000000000003 R12: ffff8881488fa2b8 [ 89.784698][ T5028] R13: ffffc90003b81000 R14: ffff888140133460 R15: ffff8881488fa280 [ 89.792705][ T5028] ? blkdev_put+0x562/0x8a0 [ 89.797261][ T5028] ? blkdev_put+0x562/0x8a0 [ 89.801836][ T5028] free_journal_ram+0x421/0x5c0 [ 89.806730][ T5028] journal_release+0x276/0x630 [ 89.811526][ T5028] ? reiserfs_end_persistent_transaction+0x1b0/0x1b0 [ 89.818240][ T5028] ? do_raw_spin_unlock+0x175/0x230 [ 89.823498][ T5028] reiserfs_put_super+0xe4/0x5c0 [ 89.828479][ T5028] ? reiserfs_quota_read+0x4f0/0x4f0 [ 89.833812][ T5028] ? dispose_list+0x1e0/0x1e0 [ 89.838540][ T5028] ? fscrypt_destroy_keyring+0x1a/0x380 [ 89.844140][ T5028] ? reiserfs_quota_read+0x4f0/0x4f0 [ 89.849468][ T5028] generic_shutdown_super+0x158/0x480 [ 89.854879][ T5028] kill_block_super+0x64/0xb0 [ 89.859592][ T5028] deactivate_locked_super+0x98/0x160 [ 89.865013][ T5028] deactivate_super+0xb1/0xd0 [ 89.869732][ T5028] cleanup_mnt+0x2ae/0x3d0 [ 89.874187][ T5028] task_work_run+0x16f/0x270 [ 89.878815][ T5028] ? task_work_cancel+0x30/0x30 [ 89.883697][ T5028] ? __put_net+0x61/0x70 [ 89.887990][ T5028] do_exit+0xadc/0x2a30 [ 89.892198][ T5028] ? lock_downgrade+0x690/0x690 [ 89.897122][ T5028] ? do_raw_spin_lock+0x124/0x2b0 [ 89.902200][ T5028] ? mm_update_next_owner+0x7b0/0x7b0 [ 89.907601][ T5028] ? spin_bug+0x1c0/0x1c0 [ 89.911987][ T5028] ? _raw_spin_unlock_irq+0x23/0x50 [ 89.917223][ T5028] do_group_exit+0xd4/0x2a0 [ 89.921772][ T5028] __x64_sys_exit_group+0x3e/0x50 [ 89.926829][ T5028] do_syscall_64+0x39/0xb0 [ 89.931280][ T5028] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 89.937209][ T5028] RIP: 0033:0x7f5cf63189c9 [ 89.941646][ T5028] Code: Unable to access opcode bytes at 0x7f5cf631899f. [ 89.948681][ T5028] RSP: 002b:00007ffd97b4eab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 89.957127][ T5028] RAX: ffffffffffffffda RBX: 00007f5cf638f330 RCX: 00007f5cf63189c9 [ 89.965121][ T5028] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 89.973116][ T5028] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 0000000000001111 [ 89.981109][ T5028] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5cf638f330 [ 89.989107][ T5028] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 89.997122][ T5028] [ 90.000418][ T5028] Kernel Offset: disabled [ 90.004865][ T5028] Rebooting in 86400 seconds..