./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4022713276 <...> forked to background, child pid [ 17.950287][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0 3183 no interfaces have a carrier [ 17.960550][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.83' (ECDSA) to the list of known hosts. execve("./syz-executor4022713276", ["./syz-executor4022713276"], 0x7ffda4fb3000 /* 10 vars */) = 0 brk(NULL) = 0x555556004000 brk(0x555556004c40) = 0x555556004c40 arch_prctl(ARCH_SET_FS, 0x555556004300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor4022713276", 4096) = 28 brk(0x555556025c40) = 0x555556025c40 brk(0x555556026000) = 0x555556026000 mprotect(0x7f4d25fd6000, 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 3605 attached , child_tidptr=0x5555560045d0) = 3605 [pid 3605] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3605] setsid() = 1 [pid 3605] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3605] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3605] unshare(CLONE_NEWNS) = 0 [pid 3605] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3605] unshare(CLONE_NEWIPC) = 0 [pid 3605] unshare(CLONE_NEWCGROUP) = 0 [pid 3605] unshare(CLONE_NEWUTS) = 0 [pid 3605] unshare(CLONE_SYSVSEM) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "16777216", 8) = 8 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "536870912", 9) = 9 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "8192", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3605] close(3) = 0 [pid 3605] getpid() = 1 [pid 3605] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 25 fa ff ff e8 1a f6 93 ff 0f 0b e9 44 fa ff ff e8 0e f6 [ 35.354376][ T3605] RSP: 0018:ffffc90003ebf8c0 EFLAGS: 00010293 [ 35.360532][ T3605] RAX: 0000000000000000 RBX: ffff88806fce83a0 RCX: 0000000000000000 [ 35.368517][ T3605] RDX: ffff888023e95880 RSI: ffffffff81e7210a RDI: 0000000000000001 [ 35.376507][ T3605] RBP: ffff88806fc12e00 R08: 0000000000000001 R09: 0000000000000000 [ 35.384504][ T3605] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 35.392758][ T3605] R13: ffff888073aa41f0 R14: ffff88806fce83a0 R15: ffff88806fc12e20 [ 35.400839][ T3605] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 35.409858][ T3605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.416472][ T3605] CR2: 00007f4d25fdd1d0 CR3: 000000000bc8e000 CR4: 0000000000350ee0 [ 35.424474][ T3605] Call Trace: [ 35.427748][ T3605] [ 35.430671][ T3605] nilfs_segctor_do_construct+0x480/0x6970 [ 35.436497][ T3605] ? lock_downgrade+0x6e0/0x6e0 [ 35.441360][ T3605] ? lock_acquire+0x480/0x570 [ 35.446059][ T3605] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.451541][ T3605] ? lock_release+0x560/0x780 [ 35.456222][ T3605] ? nilfs_segctor_confirm+0x107/0x190 [ 35.461722][ T3605] ? nilfs_segctor_abort_construction+0xe20/0xe20 [ 35.468153][ T3605] ? do_raw_spin_lock+0x120/0x2a0 [ 35.473211][ T3605] ? rwlock_bug.part.0+0x90/0x90 [ 35.478144][ T3605] ? do_raw_spin_unlock+0x171/0x230 [ 35.483353][ T3605] ? _raw_spin_unlock+0x24/0x40 [ 35.488208][ T3605] nilfs_segctor_construct+0x8e3/0xb30 [ 35.493690][ T3605] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.499176][ T3605] ? trace_nilfs2_transaction_transition+0x1a7/0x240 [ 35.505881][ T3605] nilfs_detach_log_writer+0x3bb/0x9f0 [ 35.511373][ T3605] ? nilfs_clean_segments+0xa80/0xa80 [ 35.516779][ T3605] ? collect_domain_accesses+0xbf0/0xbf0 [ 35.522483][ T3605] ? __fsnotify_vfsmount_delete+0x20/0x20 [ 35.528237][ T3605] ? dispose_list+0x1e0/0x1e0 [ 35.532960][ T3605] nilfs_put_super+0x3f/0x1a0 [ 35.537660][ T3605] ? nilfs_freeze+0xc0/0xc0 [ 35.542186][ T3605] generic_shutdown_super+0x154/0x410 [ 35.547594][ T3605] kill_block_super+0x97/0xf0 [ 35.552292][ T3605] deactivate_locked_super+0x94/0x160 [ 35.557693][ T3605] deactivate_super+0xad/0xd0 [ 35.562400][ T3605] cleanup_mnt+0x2ae/0x3d0 [ 35.566927][ T3605] task_work_run+0xdd/0x1a0 [ 35.571429][ T3605] do_exit+0xad5/0x29b0 [ 35.575606][ T3605] ? mm_update_next_owner+0x7a0/0x7a0 [ 35.581010][ T3605] do_group_exit+0xd2/0x2f0 [ 35.585547][ T3605] __x64_sys_exit_group+0x3a/0x50 [ 35.590599][ T3605] do_syscall_64+0x35/0xb0 [ 35.595054][ T3605] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 35.600961][ T3605] RIP: 0033:0x7f4d25f64b29 [ 35.605386][ T3605] Code: Unable to access opcode bytes at 0x7f4d25f64aff. [ 35.612409][ T3605] RSP: 002b:00007ffdd2ba4348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 35.620892][ T3605] RAX: ffffffffffffffda RBX: 00007f4d25fdc330 RCX: 00007f4d25f64b29 [ 35.628886][ T3605] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 35.636876][ T3605] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f4d25fd6e40 [ 35.644875][ T3605] R10: 00005555560042c0 R11: 0000000000000246 R12: 00007f4d25fdc330 [ 35.652866][ T3605] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 35.660853][ T3605] [ 35.663902][ T3605] Kernel panic - not syncing: panic_on_warn set ... [ 35.670479][ T3605] CPU: 1 PID: 3605 Comm: syz-executor402 Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0 [ 35.680534][ T3605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 35.690655][ T3605] Call Trace: [ 35.693915][ T3605] [ 35.696824][ T3605] dump_stack_lvl+0xcd/0x134 [ 35.701410][ T3605] panic+0x2c8/0x622 [ 35.705288][ T3605] ? panic_print_sys_info.part.0+0x10b/0x10b [ 35.711253][ T3605] ? __warn.cold+0x248/0x2c4 [ 35.715832][ T3605] ? mark_buffer_dirty+0x60a/0x9b0 [ 35.720926][ T3605] __warn.cold+0x259/0x2c4 [ 35.725333][ T3605] ? mark_buffer_dirty+0x60a/0x9b0 [ 35.730442][ T3605] report_bug+0x1bc/0x210 [ 35.734770][ T3605] handle_bug+0x3c/0x70 [ 35.738961][ T3605] exc_invalid_op+0x14/0x40 [ 35.743448][ T3605] asm_exc_invalid_op+0x16/0x20 [ 35.748291][ T3605] RIP: 0010:mark_buffer_dirty+0x60a/0x9b0 [ 35.753996][ T3605] Code: 89 f5 41 83 e5 01 4c 89 ee e8 22 f3 93 ff 4d 85 ed 0f 84 d3 fd ff ff e8 34 f6 93 ff 49 8d 5e ff e9 c5 fd ff ff e8 26 f6 93 ff <0f> 0b e9 25 fa ff ff e8 1a f6 93 ff 0f 0b e9 44 fa ff ff e8 0e f6 [ 35.773788][ T3605] RSP: 0018:ffffc90003ebf8c0 EFLAGS: 00010293 [ 35.780121][ T3605] RAX: 0000000000000000 RBX: ffff88806fce83a0 RCX: 0000000000000000 [ 35.788261][ T3605] RDX: ffff888023e95880 RSI: ffffffff81e7210a RDI: 0000000000000001 [ 35.796220][ T3605] RBP: ffff88806fc12e00 R08: 0000000000000001 R09: 0000000000000000 [ 35.804181][ T3605] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 35.812160][ T3605] R13: ffff888073aa41f0 R14: ffff88806fce83a0 R15: ffff88806fc12e20 [ 35.820124][ T3605] ? mark_buffer_dirty+0x60a/0x9b0 [ 35.825322][ T3605] nilfs_segctor_do_construct+0x480/0x6970 [ 35.831128][ T3605] ? lock_downgrade+0x6e0/0x6e0 [ 35.835965][ T3605] ? lock_acquire+0x480/0x570 [ 35.840630][ T3605] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.846089][ T3605] ? lock_release+0x560/0x780 [ 35.850773][ T3605] ? nilfs_segctor_confirm+0x107/0x190 [ 35.856252][ T3605] ? nilfs_segctor_abort_construction+0xe20/0xe20 [ 35.862677][ T3605] ? do_raw_spin_lock+0x120/0x2a0 [ 35.867691][ T3605] ? rwlock_bug.part.0+0x90/0x90 [ 35.872629][ T3605] ? do_raw_spin_unlock+0x171/0x230 [ 35.877827][ T3605] ? _raw_spin_unlock+0x24/0x40 [ 35.882666][ T3605] nilfs_segctor_construct+0x8e3/0xb30 [ 35.888122][ T3605] ? rcu_read_lock_sched_held+0xd/0x70 [ 35.893591][ T3605] ? trace_nilfs2_transaction_transition+0x1a7/0x240 [ 35.900449][ T3605] nilfs_detach_log_writer+0x3bb/0x9f0 [ 35.905906][ T3605] ? nilfs_clean_segments+0xa80/0xa80 [ 35.911289][ T3605] ? collect_domain_accesses+0xbf0/0xbf0 [ 35.916941][ T3605] ? __fsnotify_vfsmount_delete+0x20/0x20 [ 35.922676][ T3605] ? dispose_list+0x1e0/0x1e0 [ 35.927524][ T3605] nilfs_put_super+0x3f/0x1a0 [ 35.932197][ T3605] ? nilfs_freeze+0xc0/0xc0 [ 35.936693][ T3605] generic_shutdown_super+0x154/0x410 [ 35.942674][ T3605] kill_block_super+0x97/0xf0 [ 35.947346][ T3605] deactivate_locked_super+0x94/0x160 [ 35.952717][ T3605] deactivate_super+0xad/0xd0 [ 35.957409][ T3605] cleanup_mnt+0x2ae/0x3d0 [ 35.961835][ T3605] task_work_run+0xdd/0x1a0 [ 35.966338][ T3605] do_exit+0xad5/0x29b0 [ 35.970506][ T3605] ? mm_update_next_owner+0x7a0/0x7a0 [ 35.975961][ T3605] do_group_exit+0xd2/0x2f0 [ 35.980458][ T3605] __x64_sys_exit_group+0x3a/0x50 [ 35.985496][ T3605] do_syscall_64+0x35/0xb0 [ 35.989916][ T3605] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 35.995813][ T3605] RIP: 0033:0x7f4d25f64b29 [ 36.000218][ T3605] Code: Unable to access opcode bytes at 0x7f4d25f64aff. [ 36.007226][ T3605] RSP: 002b:00007ffdd2ba4348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 36.015707][ T3605] RAX: ffffffffffffffda RBX: 00007f4d25fdc330 RCX: 00007f4d25f64b29 [ 36.023661][ T3605] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 36.031613][ T3605] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f4d25fd6e40 [ 36.039578][ T3605] R10: 00005555560042c0 R11: 0000000000000246 R12: 00007f4d25fdc330 [ 36.047532][ T3605] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 36.055493][ T3605] [ 36.058847][ T3605] Kernel Offset: disabled [ 36.063155][ T3605] Rebooting in 86400 seconds..