./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2445393099 <...> DUID 00:04:dd:0f:a4:e5:cb:b8:04:95:2f:30:92:03:b3:b6:0d:bc forked to background, child pid 3209 [ 29.371368][ T3210] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.383259][ T3210] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.10.5' (ECDSA) to the list of known hosts. execve("./syz-executor2445393099", ["./syz-executor2445393099"], 0x7fffe77b5730 /* 10 vars */) = 0 brk(NULL) = 0x555556e86000 brk(0x555556e86c40) = 0x555556e86c40 arch_prctl(ARCH_SET_FS, 0x555556e86300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2445393099", 4096) = 28 brk(0x555556ea7c40) = 0x555556ea7c40 brk(0x555556ea8000) = 0x555556ea8000 mprotect(0x7fbf3889b000, 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 3639 attached , child_tidptr=0x555556e865d0) = 3639 [pid 3639] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3639] setsid() = 1 [pid 3639] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3639] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3639] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3639] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3639] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3639] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3639] unshare(CLONE_NEWNS) = 0 [pid 3639] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3639] unshare(CLONE_NEWIPC) = 0 [pid 3639] unshare(CLONE_NEWCGROUP) = 0 [pid 3639] unshare(CLONE_NEWUTS) = 0 [pid 3639] unshare(CLONE_SYSVSEM) = 0 [pid 3639] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3639] write(3, "16777216", 8) = 8 [pid 3639] close(3) = 0 [pid 3639] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3639] write(3, "536870912", 9) = 9 [pid 3639] close(3) = 0 [pid 3639] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3639] write(3, "1024", 4) = 4 [pid 3639] close(3) = 0 [pid 3639] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3639] write(3, "8192", 4) = 4 [pid 3639] close(3) = 0 [pid 3639] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3639] write(3, "1024", 4) = 4 [pid 3639] close(3) = 0 [pid 3639] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3639] write(3, "1024", 4) = 4 [pid 3639] close(3) = 0 [pid 3639] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3639] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3639] close(3) = 0 [pid 3639] getpid() = 1 [pid 3639] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 77 fd ff ff e8 82 90 8c ff 48 ff cb e9 91 fe ff ff e8 75 [ 53.526262][ T3639] RSP: 0018:ffffc90003bcf3c8 EFLAGS: 00010293 [ 53.532388][ T3639] RAX: ffffffff81fe07c2 RBX: ffff88801f092301 RCX: ffff88801b49d7c0 [ 53.540347][ T3639] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 53.548392][ T3639] RBP: ffffc90003bcf930 R08: ffffffff81fe0533 R09: ffffed100e3cb075 [ 53.556475][ T3639] R10: ffffed100e3cb075 R11: 1ffff1100e3cb074 R12: 1ffff1100e9ae5c4 [ 53.564606][ T3639] R13: 1ffff1100e9ae5c2 R14: ffff888071e583a0 R15: ffff888074d72e10 [ 53.572616][ T3639] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 53.581598][ T3639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.588186][ T3639] CR2: 00007fbf388a21d0 CR3: 000000000d08e000 CR4: 00000000003506f0 [ 53.596196][ T3639] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.604210][ T3639] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.612223][ T3639] Call Trace: [ 53.615501][ T3639] [ 53.618420][ T3639] nilfs_segctor_do_construct+0x33a/0x6f80 [ 53.624300][ T3639] ? stack_trace_snprint+0xf0/0xf0 [ 53.629427][ T3639] ? lockdep_unlock+0x144/0x2e0 [ 53.634351][ T3639] ? lockdep_lock+0x290/0x290 [ 53.639038][ T3639] ? rcu_read_lock_sched_held+0x87/0x110 [ 53.644736][ T3639] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 53.650726][ T3639] ? nilfs_bmap_test_and_clear_dirty+0x60/0xa0 [ 53.656928][ T3639] ? mark_lock+0x9a/0x350 [ 53.661349][ T3639] ? nilfs_transaction_unlock+0x210/0x210 [ 53.667077][ T3639] ? rcu_read_lock_sched_held+0x87/0x110 [ 53.672774][ T3639] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 53.678782][ T3639] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 53.684309][ T3639] ? trace_lock_release+0x95/0x220 [ 53.689428][ T3639] ? __up_read+0x690/0x690 [ 53.693879][ T3639] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 53.699339][ T3639] ? do_raw_spin_lock+0x148/0x360 [ 53.704432][ T3639] ? __lock_acquire+0x1f60/0x1f60 [ 53.709472][ T3639] ? do_raw_spin_unlock+0x134/0x8a0 [ 53.714738][ T3639] ? _raw_spin_unlock+0x24/0x40 [ 53.719604][ T3639] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 53.725141][ T3639] nilfs_segctor_construct+0x143/0x8d0 [ 53.730624][ T3639] ? trace_nilfs2_transaction_transition+0xec/0x2e0 [ 53.737291][ T3639] nilfs_detach_log_writer+0x537/0xbd0 [ 53.742820][ T3639] ? __might_sleep+0xc0/0xc0 [ 53.747409][ T3639] ? nilfs_attach_log_writer+0x8a0/0x8a0 [ 53.753086][ T3639] ? hook_sb_delete+0x988/0xab0 [ 53.757946][ T3639] ? wake_bit_function+0x240/0x240 [ 53.763136][ T3639] ? hook_inode_free_security+0xa0/0xa0 [ 53.768864][ T3639] ? clear_inode+0x150/0x150 [ 53.773488][ T3639] ? nilfs_free_inode+0x70/0x70 [ 53.778383][ T3639] nilfs_put_super+0x4b/0x150 [ 53.783125][ T3639] ? nilfs_free_inode+0x70/0x70 [ 53.787983][ T3639] generic_shutdown_super+0x130/0x310 [ 53.793418][ T3639] kill_block_super+0x79/0xd0 [ 53.798109][ T3639] deactivate_locked_super+0xa7/0xf0 [ 53.803481][ T3639] cleanup_mnt+0x494/0x520 [ 53.807929][ T3639] ? lockdep_hardirqs_on+0x8d/0x130 [ 53.813206][ T3639] task_work_run+0x243/0x300 [ 53.818332][ T3639] ? task_work_cancel+0x290/0x290 [ 53.823435][ T3639] ? do_exit+0x65f/0x2070 [ 53.827782][ T3639] do_exit+0x664/0x2070 [ 53.831987][ T3639] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 53.837973][ T3639] ? mm_update_next_owner+0x6d0/0x6d0 [ 53.843408][ T3639] ? print_irqtrace_events+0x220/0x220 [ 53.848876][ T3639] ? _raw_spin_unlock_irq+0x1f/0x40 [ 53.854150][ T3639] ? lockdep_hardirqs_on+0x8d/0x130 [ 53.859369][ T3639] do_group_exit+0x1fd/0x2b0 [ 53.864133][ T3639] __x64_sys_exit_group+0x3b/0x40 [ 53.869181][ T3639] do_syscall_64+0x3d/0xb0 [ 53.873654][ T3639] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 53.879565][ T3639] RIP: 0033:0x7fbf38829c09 [ 53.884130][ T3639] Code: Unable to access opcode bytes at 0x7fbf38829bdf. [ 53.891200][ T3639] RSP: 002b:00007ffd21e65458 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 53.899611][ T3639] RAX: ffffffffffffffda RBX: 00007fbf388a1330 RCX: 00007fbf38829c09 [ 53.907652][ T3639] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 53.915665][ T3639] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fbf3889be40 [ 53.923711][ T3639] R10: 00007fbf3889be40 R11: 0000000000000246 R12: 00007fbf388a1330 [ 53.931735][ T3639] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 53.939741][ T3639] [ 53.942830][ T3639] Kernel panic - not syncing: panic_on_warn set ... [ 53.949416][ T3639] CPU: 0 PID: 3639 Comm: syz-executor244 Not tainted 6.1.0-rc5-syzkaller-00008-ge01d50cbd6ee #0 [ 53.959810][ T3639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 53.969850][ T3639] Call Trace: [ 53.973111][ T3639] [ 53.976029][ T3639] dump_stack_lvl+0x1b1/0x28e [ 53.980702][ T3639] ? nf_tcp_handle_invalid+0x62e/0x62e [ 53.986144][ T3639] ? panic+0x710/0x710 [ 53.990205][ T3639] ? vscnprintf+0x59/0x80 [ 53.994520][ T3639] ? mark_buffer_dirty+0x200/0x550 [ 53.999616][ T3639] panic+0x2d6/0x710 [ 54.003499][ T3639] ? __warn+0x131/0x220 [ 54.007639][ T3639] ? memcpy_page_flushcache+0xfc/0xfc [ 54.013005][ T3639] ? mark_buffer_dirty+0x2c2/0x550 [ 54.018111][ T3639] __warn+0x1fa/0x220 [ 54.022079][ T3639] ? mark_buffer_dirty+0x2c2/0x550 [ 54.027175][ T3639] report_bug+0x1b3/0x2d0 [ 54.031492][ T3639] handle_bug+0x3d/0x70 [ 54.035630][ T3639] exc_invalid_op+0x16/0x40 [ 54.040114][ T3639] asm_exc_invalid_op+0x16/0x20 [ 54.044947][ T3639] RIP: 0010:mark_buffer_dirty+0x2c2/0x550 [ 54.050653][ T3639] Code: 5d 41 5e 41 5f 5d c3 e8 ac 90 8c ff eb 05 e8 a5 90 8c ff 4c 89 f7 5b 41 5c 41 5d 41 5e 41 5f 5d e9 53 79 e7 ff e8 8e 90 8c ff <0f> 0b e9 77 fd ff ff e8 82 90 8c ff 48 ff cb e9 91 fe ff ff e8 75 [ 54.070259][ T3639] RSP: 0018:ffffc90003bcf3c8 EFLAGS: 00010293 [ 54.076344][ T3639] RAX: ffffffff81fe07c2 RBX: ffff88801f092301 RCX: ffff88801b49d7c0 [ 54.084316][ T3639] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 54.092288][ T3639] RBP: ffffc90003bcf930 R08: ffffffff81fe0533 R09: ffffed100e3cb075 [ 54.100274][ T3639] R10: ffffed100e3cb075 R11: 1ffff1100e3cb074 R12: 1ffff1100e9ae5c4 [ 54.108251][ T3639] R13: 1ffff1100e9ae5c2 R14: ffff888071e583a0 R15: ffff888074d72e10 [ 54.116236][ T3639] ? mark_buffer_dirty+0x33/0x550 [ 54.121265][ T3639] ? mark_buffer_dirty+0x2c2/0x550 [ 54.126407][ T3639] ? mark_buffer_dirty+0x2c2/0x550 [ 54.131525][ T3639] nilfs_segctor_do_construct+0x33a/0x6f80 [ 54.137344][ T3639] ? stack_trace_snprint+0xf0/0xf0 [ 54.142473][ T3639] ? lockdep_unlock+0x144/0x2e0 [ 54.147329][ T3639] ? lockdep_lock+0x290/0x290 [ 54.152019][ T3639] ? rcu_read_lock_sched_held+0x87/0x110 [ 54.157658][ T3639] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 54.163656][ T3639] ? nilfs_bmap_test_and_clear_dirty+0x60/0xa0 [ 54.169841][ T3639] ? mark_lock+0x9a/0x350 [ 54.174187][ T3639] ? nilfs_transaction_unlock+0x210/0x210 [ 54.179913][ T3639] ? rcu_read_lock_sched_held+0x87/0x110 [ 54.185561][ T3639] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 54.191556][ T3639] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 54.197018][ T3639] ? trace_lock_release+0x95/0x220 [ 54.202136][ T3639] ? __up_read+0x690/0x690 [ 54.206560][ T3639] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 54.212023][ T3639] ? do_raw_spin_lock+0x148/0x360 [ 54.217048][ T3639] ? __lock_acquire+0x1f60/0x1f60 [ 54.222073][ T3639] ? do_raw_spin_unlock+0x134/0x8a0 [ 54.227271][ T3639] ? _raw_spin_unlock+0x24/0x40 [ 54.232114][ T3639] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 54.237569][ T3639] nilfs_segctor_construct+0x143/0x8d0 [ 54.243028][ T3639] ? trace_nilfs2_transaction_transition+0xec/0x2e0 [ 54.249619][ T3639] nilfs_detach_log_writer+0x537/0xbd0 [ 54.255075][ T3639] ? __might_sleep+0xc0/0xc0 [ 54.259673][ T3639] ? nilfs_attach_log_writer+0x8a0/0x8a0 [ 54.265306][ T3639] ? hook_sb_delete+0x988/0xab0 [ 54.270154][ T3639] ? wake_bit_function+0x240/0x240 [ 54.275260][ T3639] ? hook_inode_free_security+0xa0/0xa0 [ 54.280893][ T3639] ? clear_inode+0x150/0x150 [ 54.285479][ T3639] ? nilfs_free_inode+0x70/0x70 [ 54.290332][ T3639] nilfs_put_super+0x4b/0x150 [ 54.295011][ T3639] ? nilfs_free_inode+0x70/0x70 [ 54.299862][ T3639] generic_shutdown_super+0x130/0x310 [ 54.305232][ T3639] kill_block_super+0x79/0xd0 [ 54.309906][ T3639] deactivate_locked_super+0xa7/0xf0 [ 54.315185][ T3639] cleanup_mnt+0x494/0x520 [ 54.319604][ T3639] ? lockdep_hardirqs_on+0x8d/0x130 [ 54.324799][ T3639] task_work_run+0x243/0x300 [ 54.329391][ T3639] ? task_work_cancel+0x290/0x290 [ 54.334410][ T3639] ? do_exit+0x65f/0x2070 [ 54.338767][ T3639] do_exit+0x664/0x2070 [ 54.342941][ T3639] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 54.348944][ T3639] ? mm_update_next_owner+0x6d0/0x6d0 [ 54.354326][ T3639] ? print_irqtrace_events+0x220/0x220 [ 54.359787][ T3639] ? _raw_spin_unlock_irq+0x1f/0x40 [ 54.364981][ T3639] ? lockdep_hardirqs_on+0x8d/0x130 [ 54.370177][ T3639] do_group_exit+0x1fd/0x2b0 [ 54.374771][ T3639] __x64_sys_exit_group+0x3b/0x40 [ 54.379793][ T3639] do_syscall_64+0x3d/0xb0 [ 54.384202][ T3639] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.390086][ T3639] RIP: 0033:0x7fbf38829c09 [ 54.394495][ T3639] Code: Unable to access opcode bytes at 0x7fbf38829bdf. [ 54.401501][ T3639] RSP: 002b:00007ffd21e65458 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 54.409905][ T3639] RAX: ffffffffffffffda RBX: 00007fbf388a1330 RCX: 00007fbf38829c09 [ 54.417866][ T3639] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 54.425827][ T3639] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fbf3889be40 [ 54.433789][ T3639] R10: 00007fbf3889be40 R11: 0000000000000246 R12: 00007fbf388a1330 [ 54.441748][ T3639] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 54.449772][ T3639] [ 54.452940][ T3639] Kernel Offset: disabled [ 54.457328][ T3639] Rebooting in 86400 seconds..