./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1767585763 <...> forked to background, child pid 3187[ 24.117947][ T3188] 8021q: adding VLAN 0 to HW filter on device bond0 no interfaces have a carrier [ 24.136268][ T3188] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.167' (ECDSA) to the list of known hosts. execve("./syz-executor1767585763", ["./syz-executor1767585763"], 0x7ffe9e31b730 /* 10 vars */) = 0 brk(NULL) = 0x555555d05000 brk(0x555555d05c40) = 0x555555d05c40 arch_prctl(ARCH_SET_FS, 0x555555d05300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1767585763", 4096) = 28 brk(0x555555d26c40) = 0x555555d26c40 brk(0x555555d27000) = 0x555555d27000 mprotect(0x7f6aaee74000, 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=0x555555d055d0) = 3617 ./strace-static-x86_64: Process 3617 attached [pid 3617] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3617] setsid() = 1 [pid 3617] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3617] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3617] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3617] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3617] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3617] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3617] unshare(CLONE_NEWNS) = 0 [pid 3617] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3617] unshare(CLONE_NEWIPC) = 0 [pid 3617] unshare(CLONE_NEWCGROUP) = 0 [pid 3617] unshare(CLONE_NEWUTS) = 0 [pid 3617] unshare(CLONE_SYSVSEM) = 0 [pid 3617] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "16777216", 8) = 8 [pid 3617] close(3) = 0 [pid 3617] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "536870912", 9) = 9 [pid 3617] close(3) = 0 [pid 3617] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "1024", 4) = 4 [pid 3617] close(3) = 0 [pid 3617] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "8192", 4) = 4 [pid 3617] close(3) = 0 [pid 3617] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "1024", 4) = 4 [pid 3617] close(3) = 0 [pid 3617] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "1024", 4) = 4 [pid 3617] close(3) = 0 [pid 3617] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3617] close(3) = 0 [pid 3617] getpid() = 1 [pid 3617] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 1a fe ff ff e8 5c 3b 3d fe e8 57 38 b6 fd e9 ca fe ff ff [ 42.139240][ T3618] RSP: 0018:ffffc9000394f620 EFLAGS: 00010293 [ 42.145346][ T3618] RAX: ffffffff834a4e18 RBX: 0000000000000004 RCX: ffff88802831bb00 [ 42.153395][ T3618] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 42.161428][ T3618] RBP: ffffc9000394f710 R08: ffffffff834a4c21 R09: ffffffff83459693 [ 42.169407][ T3618] R10: 0000000000000002 R11: ffff88802831bb00 R12: 0000000000000050 [ 42.177430][ T3618] R13: ffff888021f86000 R14: 1ffff92000729ed0 R15: ffff888071d0a160 [ 42.185441][ T3618] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 42.194434][ T3618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.201040][ T3618] CR2: 0000561c6b8abb68 CR3: 0000000021cc6000 CR4: 00000000003506f0 [ 42.209002][ T3618] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.217028][ T3618] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.225032][ T3618] Call Trace: [ 42.228301][ T3618] [ 42.231284][ T3618] ? nilfs_sufile_mark_dirty+0x240/0x240 [ 42.236926][ T3618] ? nilfs_bmap_write+0x39/0xd0 [ 42.241817][ T3618] ? memcpy+0x3c/0x60 [ 42.245812][ T3618] nilfs_segctor_do_construct+0x4b4a/0x6fe0 [ 42.251831][ T3618] ? nilfs_transaction_unlock+0x210/0x210 [ 42.257566][ T3618] ? rcu_read_lock_sched_held+0x87/0x110 [ 42.263227][ T3618] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 42.269225][ T3618] ? __up_read+0x690/0x690 [ 42.273694][ T3618] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 42.279157][ T3618] ? do_raw_spin_lock+0x148/0x360 [ 42.284240][ T3618] ? __lock_acquire+0x1f60/0x1f60 [ 42.289282][ T3618] ? do_raw_spin_unlock+0x134/0x8a0 [ 42.294560][ T3618] ? _raw_spin_unlock+0x24/0x40 [ 42.299431][ T3618] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 42.304966][ T3618] nilfs_segctor_construct+0x143/0x8d0 [ 42.310477][ T3618] ? trace_nilfs2_transaction_transition+0xc9/0x240 [ 42.317058][ T3618] nilfs_segctor_thread+0x534/0x1180 [ 42.322375][ T3618] ? __kthread_parkme+0xbd/0x1c0 [ 42.327336][ T3618] ? nilfs_construction_timeout+0x40/0x40 [ 42.333109][ T3618] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 42.339004][ T3618] ? _raw_spin_unlock+0x40/0x40 [ 42.343892][ T3618] ? wake_bit_function+0x240/0x240 [ 42.349012][ T3618] ? _raw_spin_unlock+0x40/0x40 [ 42.353913][ T3618] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 42.359899][ T3618] ? __kthread_parkme+0x166/0x1c0 [ 42.365007][ T3618] kthread+0x266/0x300 [ 42.369080][ T3618] ? nilfs_construction_timeout+0x40/0x40 [ 42.374842][ T3618] ? kthread_blkcg+0xd0/0xd0 [ 42.379440][ T3618] ret_from_fork+0x1f/0x30 [ 42.383906][ T3618] [ 42.386926][ T3618] Kernel panic - not syncing: panic_on_warn set ... [ 42.393494][ T3618] CPU: 0 PID: 3618 Comm: segctord Not tainted 6.0.0-rc7-syzkaller-00132-g987a926c1d8a #0 [ 42.403274][ T3618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 42.413310][ T3618] Call Trace: [ 42.416576][ T3618] [ 42.419493][ T3618] dump_stack_lvl+0x1b1/0x28e [ 42.424155][ T3618] ? fortify_panic+0x13/0x13 [ 42.428729][ T3618] ? panic+0x715/0x715 [ 42.432788][ T3618] ? vscnprintf+0x59/0x80 [ 42.437101][ T3618] ? nilfs_sufile_set_segment_usage+0x4c0/0x5c0 [ 42.443334][ T3618] panic+0x2d6/0x715 [ 42.447227][ T3618] ? __warn+0x131/0x220 [ 42.451377][ T3618] ? fb_is_primary_device+0xcc/0xcc [ 42.456572][ T3618] ? ret_from_fork+0x1f/0x30 [ 42.461153][ T3618] ? nilfs_sufile_set_segment_usage+0x4d8/0x5c0 [ 42.467386][ T3618] __warn+0x1fa/0x220 [ 42.471364][ T3618] ? nilfs_sufile_set_segment_usage+0x4d8/0x5c0 [ 42.477594][ T3618] report_bug+0x1b3/0x2d0 [ 42.481921][ T3618] handle_bug+0x3d/0x70 [ 42.486065][ T3618] exc_invalid_op+0x16/0x40 [ 42.490559][ T3618] asm_exc_invalid_op+0x16/0x20 [ 42.495400][ T3618] RIP: 0010:nilfs_sufile_set_segment_usage+0x4d8/0x5c0 [ 42.502237][ T3618] Code: 25 28 00 00 00 48 3b 84 24 a0 00 00 00 0f 85 fa 00 00 00 44 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 68 3b 3d fe <0f> 0b e9 1a fe ff ff e8 5c 3b 3d fe e8 57 38 b6 fd e9 ca fe ff ff [ 42.521830][ T3618] RSP: 0018:ffffc9000394f620 EFLAGS: 00010293 [ 42.527889][ T3618] RAX: ffffffff834a4e18 RBX: 0000000000000004 RCX: ffff88802831bb00 [ 42.535851][ T3618] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 42.543809][ T3618] RBP: ffffc9000394f710 R08: ffffffff834a4c21 R09: ffffffff83459693 [ 42.551771][ T3618] R10: 0000000000000002 R11: ffff88802831bb00 R12: 0000000000000050 [ 42.559730][ T3618] R13: ffff888021f86000 R14: 1ffff92000729ed0 R15: ffff888071d0a160 [ 42.567696][ T3618] ? nilfs_mdt_read_block+0xb3/0x460 [ 42.572969][ T3618] ? nilfs_sufile_set_segment_usage+0x2e1/0x5c0 [ 42.579197][ T3618] ? nilfs_sufile_set_segment_usage+0x4d8/0x5c0 [ 42.585439][ T3618] ? nilfs_sufile_mark_dirty+0x240/0x240 [ 42.591058][ T3618] ? nilfs_bmap_write+0x39/0xd0 [ 42.595904][ T3618] ? memcpy+0x3c/0x60 [ 42.599880][ T3618] nilfs_segctor_do_construct+0x4b4a/0x6fe0 [ 42.605812][ T3618] ? nilfs_transaction_unlock+0x210/0x210 [ 42.611520][ T3618] ? rcu_read_lock_sched_held+0x87/0x110 [ 42.617142][ T3618] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 42.623127][ T3618] ? __up_read+0x690/0x690 [ 42.627535][ T3618] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 42.632983][ T3618] ? do_raw_spin_lock+0x148/0x360 [ 42.637998][ T3618] ? __lock_acquire+0x1f60/0x1f60 [ 42.643018][ T3618] ? do_raw_spin_unlock+0x134/0x8a0 [ 42.648210][ T3618] ? _raw_spin_unlock+0x24/0x40 [ 42.653052][ T3618] ? nilfs_segctor_confirm+0x24b/0x2d0 [ 42.658508][ T3618] nilfs_segctor_construct+0x143/0x8d0 [ 42.663965][ T3618] ? trace_nilfs2_transaction_transition+0xc9/0x240 [ 42.670545][ T3618] nilfs_segctor_thread+0x534/0x1180 [ 42.675818][ T3618] ? __kthread_parkme+0xbd/0x1c0 [ 42.680768][ T3618] ? nilfs_construction_timeout+0x40/0x40 [ 42.686481][ T3618] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 42.692364][ T3618] ? _raw_spin_unlock+0x40/0x40 [ 42.697205][ T3618] ? wake_bit_function+0x240/0x240 [ 42.702308][ T3618] ? _raw_spin_unlock+0x40/0x40 [ 42.707149][ T3618] ? lockdep_hardirqs_on_prepare+0x428/0x790 [ 42.713121][ T3618] ? __kthread_parkme+0x166/0x1c0 [ 42.718139][ T3618] kthread+0x266/0x300 [ 42.722199][ T3618] ? nilfs_construction_timeout+0x40/0x40 [ 42.727907][ T3618] ? kthread_blkcg+0xd0/0xd0 [ 42.732487][ T3618] ret_from_fork+0x1f/0x30 [ 42.736904][ T3618] [ 42.740181][ T3618] Kernel Offset: disabled [ 42.744563][ T3618] Rebooting in 86400 seconds..