./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor477817419

<...>
Warning: Permanently added '10.128.0.118' (ECDSA) to the list of known hosts.
execve("./syz-executor477817419", ["./syz-executor477817419"], 0x7ffdf5488db0 /* 10 vars */) = 0
brk(NULL)                               = 0x555557522000
brk(0x555557522c40)                     = 0x555557522c40
arch_prctl(ARCH_SET_FS, 0x555557522300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor477817419", 4096) = 27
brk(0x555557543c40)                     = 0x555557543c40
brk(0x555557544000)                     = 0x555557544000
mprotect(0x7f0a08745000, 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 4998 attached
, child_tidptr=0x5555575225d0) = 4998
[pid  4998] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  4998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  4998] setsid()                    = 1
[pid  4998] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  4998] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  4998] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  4998] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  4998] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  4998] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  4998] unshare(CLONE_NEWNS)        = 0
[pid  4998] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  4998] unshare(CLONE_NEWIPC)       = 0
[pid  4998] unshare(CLONE_NEWCGROUP)    = 0
[pid  4998] unshare(CLONE_NEWUTS)       = 0
[pid  4998] unshare(CLONE_SYSVSEM)      = 0
[pid  4998] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  4998] write(3, "16777216", 8)     = 8
[pid  4998] close(3)                    = 0
[pid  4998] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  4998] write(3, "536870912", 9)    = 9
[pid  4998] close(3)                    = 0
[pid  4998] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  4998] write(3, "1024", 4)         = 4
[pid  4998] close(3)                    = 0
[pid  4998] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  4998] write(3, "8192", 4)         = 4
[pid  4998] close(3)                    = 0
[pid  4998] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  4998] write(3, "1024", 4)         = 4
[pid  4998] close(3)                    = 0
[pid  4998] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  4998] write(3, "1024", 4)         = 4
[pid  4998] close(3)                    = 0
[pid  4998] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  4998] write(3, "1024 1048576 500 1024", 21) = 21
[pid  4998] close(3)                    = 0
[pid  4998] getpid()                    = 1
[pid  4998] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  4998] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  4998] unshare(CLONE_NEWNET)       = 0
[pid  4998] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  4998] write(3, "0 65535", 7)      = 7
[pid  4998] close(3)                    = 0
[pid  4998] mkdir("/dev/binderfs", 0777) = 0
[pid  4998] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  4998] symlink("/dev/binderfs", "./binderfs") = 0
[pid  4998] memfd_create("syzkaller", 0) = 3
[pid  4998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0a0028a000
[pid  4998] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid  4998] munmap(0x7f0a0028a000, 1048576) = 0
[pid  4998] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  4998] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  4998] close(3)                    = 0
[pid  4998] mkdir("./bus", 0777)        = 0
[pid  4998] mount("/dev/loop0", "./bus", "nilfs2", MS_NOEXEC|MS_NODIRATIME, "") = 0
[pid  4998] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  4998] chdir("./bus")              = 0
[pid  4998] ioctl(4, LOOP_CLR_FD)       = 0
[pid  4998] close(4)                    = 0
syzkaller login: [   50.412086][ T4998] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4998 'syz-executor477'
[   50.430278][ T4998] loop0: detected capacity change from 0 to 2048
[   50.444931][ T5000] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid  4998] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 4
[pid  4998] exit_group(1)               = ?
[   50.459372][   T27] audit: type=1800 audit(1684924355.107:2): pid=4998 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor477" name="bus" dev="loop0" ino=18 res=0 errno=0
[   50.497510][ T5000] ------------[ cut here ]------------
[   50.502996][ T5000] WARNING: CPU: 1 PID: 5000 at fs/nilfs2/sufile.c:539 nilfs_sufile_set_segment_usage+0x52d/0x6b0
[   50.513624][ T5000] Modules linked in:
[   50.517582][ T5000] CPU: 1 PID: 5000 Comm: segctord Not tainted 6.4.0-rc3-syzkaller-00015-g27e462c8fad4 #0
[   50.527484][ T5000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[   50.537547][ T5000] RIP: 0010:nilfs_sufile_set_segment_usage+0x52d/0x6b0
[   50.544381][ T5000] Code: a1 51 fe 48 8b 6c 24 48 48 85 ed 0f 85 5b ff ff ff e9 63 ff ff ff e8 92 a1 51 fe e8 5d e8 cd fd e9 db fe ff ff e8 83 a1 51 fe <0f> 0b e9 04 fe ff ff e8 67 6b a4 fe e9 b5 fb ff ff e8 5d 6b a4 fe
[   50.564084][ T5000] RSP: 0018:ffffc90003b1fa78 EFLAGS: 00010293
[   50.570171][ T5000] RAX: 0000000000000000 RBX: ffff888077ada160 RCX: 0000000000000000
[   50.578160][ T5000] RDX: ffff88802c953b80 RSI: ffffffff8332a14d RDI: 0000000000000005
[   50.586147][ T5000] RBP: ffff88807208a060 R08: 0000000000000005 R09: 0000000000000000
[   50.594096][ T5000] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000
[   50.602082][ T5000] R13: 1ffff92000763f54 R14: ffff888077ada5e8 R15: 00000000646de7c3
[   50.610157][ T5000] FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[   50.619098][ T5000] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   50.625698][ T5000] CR2: 00005577bc711018 CR3: 000000000c571000 CR4: 0000000000350ee0
[   50.633648][ T5000] Call Trace:
[   50.636937][ T5000]  <TASK>
[   50.639863][ T5000]  ? nilfs_sufile_mark_dirty+0x5a0/0x5a0
[   50.645519][ T5000]  nilfs_segctor_do_construct+0x1888/0x7200
[   50.651425][ T5000]  ? nilfs_segctor_abort_construction+0xe20/0xe20
[   50.657851][ T5000]  ? do_raw_spin_lock+0x124/0x2b0
[   50.662887][ T5000]  ? spin_bug+0x1c0/0x1c0
[   50.667237][ T5000]  ? do_raw_spin_unlock+0x175/0x230
[   50.672442][ T5000]  ? _raw_spin_unlock+0x28/0x40
[   50.677321][ T5000]  nilfs_segctor_construct+0x8e3/0xb30
[   50.682781][ T5000]  ? rcu_is_watching+0x12/0xb0
[   50.687561][ T5000]  ? trace_nilfs2_transaction_transition+0x17d/0x1c0
[   50.694240][ T5000]  nilfs_segctor_thread+0x3c7/0xf30
[   50.699454][ T5000]  ? nilfs_segctor_construct+0xb30/0xb30
[   50.705119][ T5000]  ? prepare_to_swait_exclusive+0x240/0x240
[   50.710997][ T5000]  ? __kthread_parkme+0x163/0x220
[   50.716029][ T5000]  ? nilfs_segctor_construct+0xb30/0xb30
[   50.721663][ T5000]  kthread+0x344/0x440
[   50.725756][ T5000]  ? kthread_complete_and_exit+0x40/0x40
[   50.731395][ T5000]  ret_from_fork+0x1f/0x30
[   50.735840][ T5000]  </TASK>
[   50.738864][ T5000] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   50.746126][ T5000] CPU: 1 PID: 5000 Comm: segctord Not tainted 6.4.0-rc3-syzkaller-00015-g27e462c8fad4 #0
[   50.755904][ T5000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023
[   50.765933][ T5000] Call Trace:
[   50.769275][ T5000]  <TASK>
[   50.772183][ T5000]  dump_stack_lvl+0xd9/0x150
[   50.776755][ T5000]  panic+0x686/0x730
[   50.780630][ T5000]  ? panic_smp_self_stop+0xa0/0xa0
[   50.785722][ T5000]  ? show_trace_log_lvl+0x285/0x390
[   50.790911][ T5000]  ? nilfs_sufile_set_segment_usage+0x52d/0x6b0
[   50.797133][ T5000]  check_panic_on_warn+0xb1/0xc0
[   50.802050][ T5000]  __warn+0xf2/0x390
[   50.805927][ T5000]  ? nilfs_sufile_set_segment_usage+0x52d/0x6b0
[   50.812148][ T5000]  report_bug+0x2da/0x500
[   50.816463][ T5000]  handle_bug+0x3c/0x70
[   50.820610][ T5000]  exc_invalid_op+0x18/0x50
[   50.825098][ T5000]  asm_exc_invalid_op+0x1a/0x20
[   50.829940][ T5000] RIP: 0010:nilfs_sufile_set_segment_usage+0x52d/0x6b0
[   50.836766][ T5000] Code: a1 51 fe 48 8b 6c 24 48 48 85 ed 0f 85 5b ff ff ff e9 63 ff ff ff e8 92 a1 51 fe e8 5d e8 cd fd e9 db fe ff ff e8 83 a1 51 fe <0f> 0b e9 04 fe ff ff e8 67 6b a4 fe e9 b5 fb ff ff e8 5d 6b a4 fe
[   50.856351][ T5000] RSP: 0018:ffffc90003b1fa78 EFLAGS: 00010293
[   50.862389][ T5000] RAX: 0000000000000000 RBX: ffff888077ada160 RCX: 0000000000000000
[   50.870339][ T5000] RDX: ffff88802c953b80 RSI: ffffffff8332a14d RDI: 0000000000000005
[   50.878292][ T5000] RBP: ffff88807208a060 R08: 0000000000000005 R09: 0000000000000000
[   50.886260][ T5000] R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000
[   50.894205][ T5000] R13: 1ffff92000763f54 R14: ffff888077ada5e8 R15: 00000000646de7c3
[   50.902158][ T5000]  ? nilfs_sufile_set_segment_usage+0x52d/0x6b0
[   50.908381][ T5000]  ? nilfs_sufile_set_segment_usage+0x52d/0x6b0
[   50.914601][ T5000]  ? nilfs_sufile_mark_dirty+0x5a0/0x5a0
[   50.920223][ T5000]  nilfs_segctor_do_construct+0x1888/0x7200
[   50.926103][ T5000]  ? nilfs_segctor_abort_construction+0xe20/0xe20
[   50.932499][ T5000]  ? do_raw_spin_lock+0x124/0x2b0
[   50.937511][ T5000]  ? spin_bug+0x1c0/0x1c0
[   50.941825][ T5000]  ? do_raw_spin_unlock+0x175/0x230
[   50.947032][ T5000]  ? _raw_spin_unlock+0x28/0x40
[   50.951864][ T5000]  nilfs_segctor_construct+0x8e3/0xb30
[   50.957302][ T5000]  ? rcu_is_watching+0x12/0xb0
[   50.962048][ T5000]  ? trace_nilfs2_transaction_transition+0x17d/0x1c0
[   50.968697][ T5000]  nilfs_segctor_thread+0x3c7/0xf30
[   50.973874][ T5000]  ? nilfs_segctor_construct+0xb30/0xb30
[   50.979488][ T5000]  ? prepare_to_swait_exclusive+0x240/0x240
[   50.985364][ T5000]  ? __kthread_parkme+0x163/0x220
[   50.990384][ T5000]  ? nilfs_segctor_construct+0xb30/0xb30
[   50.995994][ T5000]  kthread+0x344/0x440
[   51.000041][ T5000]  ? kthread_complete_and_exit+0x40/0x40
[   51.005655][ T5000]  ret_from_fork+0x1f/0x30
[   51.010056][ T5000]  </TASK>
[   51.014015][ T5000] Kernel Offset: disabled
[   51.018816][ T5000] Rebooting in 86400 seconds..