./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2158784704 <...> forked to background, child pid 3182 no interfaces have a carri[ 23.519057][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 er [ 23.528690][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.15.192' (ECDSA) to the list of known hosts. execve("./syz-executor2158784704", ["./syz-executor2158784704"], 0x7ffd75402d90 /* 10 vars */) = 0 brk(NULL) = 0x555555f7f000 brk(0x555555f7fc40) = 0x555555f7fc40 arch_prctl(ARCH_SET_FS, 0x555555f7f300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2158784704", 4096) = 28 brk(0x555555fa0c40) = 0x555555fa0c40 brk(0x555555fa1000) = 0x555555fa1000 mprotect(0x7f5f05a1b000, 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=0x555555f7f5d0) = 3605 ./strace-static-x86_64: Process 3605 attached [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 0d fe ff ff e8 1c 00 a3 fe e9 c6 fb ff ff e8 12 00 a3 fe [ 39.764979][ T3606] RSP: 0018:ffffc9000402fa80 EFLAGS: 00010293 [ 39.771028][ T3606] RAX: 0000000000000000 RBX: ffff88806fcca160 RCX: 0000000000000000 [ 39.779021][ T3606] RDX: ffff888025b01d80 RSI: ffffffff83252c98 RDI: 0000000000000005 [ 39.787006][ T3606] RBP: ffff88806f25d050 R08: 0000000000000005 R09: 0000000000000000 [ 39.794997][ T3606] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 [ 39.802981][ T3606] R13: 1ffff92000805f55 R14: ffff88806fcca5e8 R15: 000000006342f4b4 [ 39.810974][ T3606] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 39.819922][ T3606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.826518][ T3606] CR2: 00007f5f05a221d0 CR3: 000000007ec1c000 CR4: 0000000000350ee0 [ 39.834526][ T3606] Call Trace: [ 39.837791][ T3606] [ 39.840727][ T3606] ? nilfs_sufile_mark_dirty+0x230/0x230 [ 39.846382][ T3606] ? memcpy+0x39/0x60 [ 39.850378][ T3606] nilfs_segctor_do_construct+0x1f6e/0x6970 [ 39.856309][ T3606] ? nilfs_segctor_abort_construction+0xe20/0xe20 [ 39.862748][ T3606] ? do_raw_spin_lock+0x120/0x2a0 [ 39.867794][ T3606] ? rwlock_bug.part.0+0x90/0x90 [ 39.872735][ T3606] ? do_raw_spin_unlock+0x171/0x230 [ 39.877955][ T3606] ? _raw_spin_unlock+0x24/0x40 [ 39.882812][ T3606] nilfs_segctor_construct+0x8e3/0xb30 [ 39.888299][ T3606] ? rcu_read_lock_sched_held+0xd/0x70 [ 39.893791][ T3606] ? trace_nilfs2_transaction_transition+0x1a7/0x240 [ 39.900514][ T3606] nilfs_segctor_thread+0x3c3/0xfe0 [ 39.905744][ T3606] ? nilfs_segctor_construct+0xb30/0xb30 [ 39.911395][ T3606] ? rwlock_bug.part.0+0x90/0x90 [ 39.916441][ T3606] ? io_schedule_timeout+0x140/0x140 [ 39.921764][ T3606] ? trace_hardirqs_on+0x2d/0x120 [ 39.926834][ T3606] ? __kthread_parkme+0x15f/0x220 [ 39.931869][ T3606] ? nilfs_segctor_construct+0xb30/0xb30 [ 39.937527][ T3606] kthread+0x2e4/0x3a0 [ 39.941598][ T3606] ? kthread_complete_and_exit+0x40/0x40 [ 39.947251][ T3606] ret_from_fork+0x1f/0x30 [ 39.951684][ T3606] [ 39.954724][ T3606] Kernel panic - not syncing: panic_on_warn set ... [ 39.961299][ T3606] CPU: 1 PID: 3606 Comm: segctord Not tainted 6.0.0-syzkaller-09039-ga6afa4199d3d #0 [ 39.970763][ T3606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 39.980800][ T3606] Call Trace: [ 39.984060][ T3606] [ 39.986973][ T3606] dump_stack_lvl+0xcd/0x134 [ 39.991567][ T3606] panic+0x2c8/0x622 [ 39.995449][ T3606] ? panic_print_sys_info.part.0+0x10b/0x10b [ 40.001441][ T3606] ? __warn.cold+0x248/0x2c4 [ 40.006017][ T3606] ? nilfs_sufile_set_segment_usage+0x518/0x6a0 [ 40.012242][ T3606] __warn.cold+0x259/0x2c4 [ 40.016646][ T3606] ? nilfs_sufile_set_segment_usage+0x518/0x6a0 [ 40.022871][ T3606] report_bug+0x1bc/0x210 [ 40.027184][ T3606] handle_bug+0x3c/0x70 [ 40.031324][ T3606] exc_invalid_op+0x14/0x40 [ 40.035840][ T3606] asm_exc_invalid_op+0x16/0x20 [ 40.040674][ T3606] RIP: 0010:nilfs_sufile_set_segment_usage+0x518/0x6a0 [ 40.047599][ T3606] Code: ea 55 fe 48 8b 6c 24 48 48 85 ed 0f 85 5b ff ff ff e9 63 ff ff ff e8 a7 ea 55 fe e8 3c 48 db fd e9 db fe ff ff e8 98 ea 55 fe <0f> 0b e9 0d fe ff ff e8 1c 00 a3 fe e9 c6 fb ff ff e8 12 00 a3 fe [ 40.067280][ T3606] RSP: 0018:ffffc9000402fa80 EFLAGS: 00010293 [ 40.073330][ T3606] RAX: 0000000000000000 RBX: ffff88806fcca160 RCX: 0000000000000000 [ 40.081281][ T3606] RDX: ffff888025b01d80 RSI: ffffffff83252c98 RDI: 0000000000000005 [ 40.089233][ T3606] RBP: ffff88806f25d050 R08: 0000000000000005 R09: 0000000000000000 [ 40.097190][ T3606] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 [ 40.105141][ T3606] R13: 1ffff92000805f55 R14: ffff88806fcca5e8 R15: 000000006342f4b4 [ 40.113095][ T3606] ? nilfs_sufile_set_segment_usage+0x518/0x6a0 [ 40.119324][ T3606] ? nilfs_sufile_mark_dirty+0x230/0x230 [ 40.124960][ T3606] ? memcpy+0x39/0x60 [ 40.128930][ T3606] nilfs_segctor_do_construct+0x1f6e/0x6970 [ 40.134818][ T3606] ? nilfs_segctor_abort_construction+0xe20/0xe20 [ 40.141242][ T3606] ? do_raw_spin_lock+0x120/0x2a0 [ 40.146251][ T3606] ? rwlock_bug.part.0+0x90/0x90 [ 40.151170][ T3606] ? do_raw_spin_unlock+0x171/0x230 [ 40.156355][ T3606] ? _raw_spin_unlock+0x24/0x40 [ 40.161186][ T3606] nilfs_segctor_construct+0x8e3/0xb30 [ 40.166637][ T3606] ? rcu_read_lock_sched_held+0xd/0x70 [ 40.172083][ T3606] ? trace_nilfs2_transaction_transition+0x1a7/0x240 [ 40.178746][ T3606] nilfs_segctor_thread+0x3c3/0xfe0 [ 40.183937][ T3606] ? nilfs_segctor_construct+0xb30/0xb30 [ 40.189556][ T3606] ? rwlock_bug.part.0+0x90/0x90 [ 40.194475][ T3606] ? io_schedule_timeout+0x140/0x140 [ 40.199831][ T3606] ? trace_hardirqs_on+0x2d/0x120 [ 40.204842][ T3606] ? __kthread_parkme+0x15f/0x220 [ 40.209846][ T3606] ? nilfs_segctor_construct+0xb30/0xb30 [ 40.215468][ T3606] kthread+0x2e4/0x3a0 [ 40.219516][ T3606] ? kthread_complete_and_exit+0x40/0x40 [ 40.225128][ T3606] ret_from_fork+0x1f/0x30 [ 40.229535][ T3606] [ 40.233304][ T3606] Kernel Offset: disabled [ 40.237618][ T3606] Rebooting in 86400 seconds..