./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor667411972

<...>
no interfaces have a carrier
[   19.501535][ T4652] 8021q: adding VLAN 0 to HW filter on device bond0
[   19.511995][ T4652] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: [   19.644942][ T4736] ssh-keygen (4736) used greatest stack depth: 22128 bytes left
OK

syzkaller
Warning: Permanently added '10.128.1.67' (ECDSA) to the list of known hosts.
execve("./syz-executor667411972", ["./syz-executor667411972"], 0x7ffdebd93eb0 /* 10 vars */) = 0
brk(NULL)                               = 0x5555563cf000
brk(0x5555563cfc40)                     = 0x5555563cfc40
arch_prctl(ARCH_SET_FS, 0x5555563cf300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor667411972", 4096) = 27
brk(0x5555563f0c40)                     = 0x5555563f0c40
brk(0x5555563f1000)                     = 0x5555563f1000
mprotect(0x7fdb7220d000, 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=0x5555563cf5d0) = 5074
./strace-static-x86_64: Process 5074 attached
[pid  5074] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5074] setsid()                    = 1
[pid  5074] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5074] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5074] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5074] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5074] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5074] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5074] unshare(CLONE_NEWNS)        = 0
[pid  5074] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5074] unshare(CLONE_NEWIPC)       = 0
[pid  5074] unshare(CLONE_NEWCGROUP)    = 0
[pid  5074] unshare(CLONE_NEWUTS)       = 0
[pid  5074] unshare(CLONE_SYSVSEM)      = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "16777216", 8)     = 8
[pid  5074] close(3)                    = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "536870912", 9)    = 9
[pid  5074] close(3)                    = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "1024", 4)         = 4
[pid  5074] close(3)                    = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "8192", 4)         = 4
[pid  5074] close(3)                    = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "1024", 4)         = 4
[pid  5074] close(3)                    = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "1024", 4)         = 4
[pid  5074] close(3)                    = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5074] close(3)                    = 0
[pid  5074] getpid()                    = 1
[pid  5074] 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  5074] 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  5074] unshare(CLONE_NEWNET)       = 0
[pid  5074] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5074] write(3, "0 65535", 7)      = 7
[pid  5074] close(3)                    = 0
[pid  5074] mkdir("/dev/binderfs", 0777) = 0
[pid  5074] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5074] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5074] memfd_create("syzkaller", 0) = 3
[pid  5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdb69d52000
[pid  5074] 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"..., 4194304) = 4194304
[pid  5074] munmap(0x7fdb69d52000, 4194304) = 0
[pid  5074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5074] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5074] close(3)                    = 0
[pid  5074] mkdir("./file0", 0777)      = 0
syzkaller login: [   37.689798][ T5074] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5074 'syz-executor667'
[   37.720789][ T5074] loop0: detected capacity change from 0 to 8192
[   37.729491][ T5074] =======================================================
[   37.729491][ T5074] WARNING: The mand mount option has been deprecated and
[   37.729491][ T5074]          and is ignored by this kernel. Remove the mand
[   37.729491][ T5074]          option from the mount to silence this warning.
[   37.729491][ T5074] =======================================================
[   37.765707][ T5074] REISERFS warning:  read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025
[   37.778898][ T5074] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal
[   37.788369][ T5074] REISERFS (device loop0): using ordered data mode
[   37.794859][ T5074] reiserfs: using flush barriers
[   37.800466][ T5074] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30
[   37.816737][ T5074] REISERFS (device loop0): checking transaction log (loop0)
[pid  5074] mount("/dev/loop0", "./file0", "reiserfs", MS_SYNCHRONOUS|MS_MANDLOCK|MS_DIRSYNC|MS_NODIRATIME|MS_REC|MS_RELATIME|MS_I_VERSION, "") = 0
[pid  5074] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5074] chdir("./file0")            = 0
[pid  5074] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5074] close(4)                    = 0
[pid  5074] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 4
[pid  5074] mount("/dev/loop0", "./bus", NULL, MS_BIND|MS_REC|MS_SHARED, NULL) = 0
[pid  5074] creat("./bus", 000)         = 5
[pid  5074] lseek(5, 512, SEEK_SET)     = 512
[pid  5074] open("./bus", O_RDONLY|O_DIRECT|O_NOFOLLOW) = 6
[pid  5074] sendfile(5, 6, NULL, 130817) = 65536
[pid  5074] exit_group(1)               = ?
[   37.845148][ T5074] REISERFS (device loop0): Using r5 hash to sort names
[   37.852505][ T5074] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage.
[   37.867236][   T26] audit: type=1800 audit(1680039942.746:2): pid=5074 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor667" name="bus" dev="loop0" ino=4 res=0 errno=0
[   37.894574][ T5074] divide error: 0000 [#1] PREEMPT SMP KASAN
[   37.900467][ T5074] CPU: 0 PID: 5074 Comm: syz-executor667 Not tainted 6.3.0-rc4-syzkaller-00025-g3a93e40326c8 #0
[   37.910851][ T5074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/17/2023
[   37.920969][ T5074] RIP: 0010:do_journal_end+0x167d/0x4af0
[   37.926605][ T5074] Code: c6 41 84 f0 0f 85 16 2b 00 00 83 e2 07 38 d1 40 0f 9e c6 84 c9 0f 95 c2 40 84 d6 0f 85 ff 2a 00 00 8b 4b 14 48 8d 7d 18 31 d2 <48> f7 f1 4a 8d 34 2a 48 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1
[   37.946273][ T5074] RSP: 0018:ffffc90003f6f9c8 EFLAGS: 00010246
[   37.952310][ T5074] RAX: 0000000000000003 RBX: ffff88807430d000 RCX: 0000000000000000
[   37.960255][ T5074] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888017dec018
[   37.968199][ T5074] RBP: ffff888017dec000 R08: 0000000000000001 R09: ffff8880214d0000
[   37.976141][ T5074] R10: 0000000000000001 R11: 0000000000000004 R12: 0000000000001000
[   37.984084][ T5074] R13: 0000000000000000 R14: ffffc90003f6fbb8 R15: ffff888073c980e8
[   37.992116][ T5074] FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[   38.001020][ T5074] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.007578][ T5074] CR2: 00005629c68e9c38 CR3: 000000002a9fb000 CR4: 0000000000350ef0
[   38.015525][ T5074] Call Trace:
[   38.018780][ T5074]  <TASK>
[   38.021689][ T5074]  ? reiserfs_prepare_for_journal+0x2b0/0x2b0
[   38.027737][ T5074]  ? mark_held_locks+0x9f/0xe0
[   38.032559][ T5074]  ? dquot_scan_active+0x2d0/0x2d0
[   38.037647][ T5074]  reiserfs_sync_fs+0xfc/0x130
[   38.042471][ T5074]  ? handle_quota_files+0x3b0/0x3b0
[   38.047642][ T5074]  ? get_nr_dirty_inodes+0x60/0x1d0
[   38.052907][ T5074]  ? handle_quota_files+0x3b0/0x3b0
[   38.058081][ T5074]  sync_filesystem.part.0+0x75/0x1d0
[   38.063428][ T5074]  sync_filesystem+0x8f/0xc0
[   38.067987][ T5074]  generic_shutdown_super+0x74/0x480
[   38.073250][ T5074]  kill_block_super+0x9b/0xf0
[   38.077900][ T5074]  deactivate_locked_super+0x98/0x160
[   38.083246][ T5074]  deactivate_super+0xb1/0xd0
[   38.087897][ T5074]  cleanup_mnt+0x2ae/0x3d0
[   38.092286][ T5074]  task_work_run+0x16f/0x270
[   38.096856][ T5074]  ? task_work_cancel+0x30/0x30
[   38.101683][ T5074]  do_exit+0xad3/0x2960
[   38.105820][ T5074]  ? lock_downgrade+0x690/0x690
[   38.110644][ T5074]  ? do_raw_spin_lock+0x124/0x2b0
[   38.115644][ T5074]  ? mm_update_next_owner+0x7b0/0x7b0
[   38.121078][ T5074]  ? spin_bug+0x1c0/0x1c0
[   38.125379][ T5074]  ? _raw_spin_unlock_irq+0x23/0x50
[   38.130642][ T5074]  do_group_exit+0xd4/0x2a0
[   38.135122][ T5074]  __x64_sys_exit_group+0x3e/0x50
[   38.140120][ T5074]  do_syscall_64+0x39/0xb0
[   38.144510][ T5074]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   38.150379][ T5074] RIP: 0033:0x7fdb7219dad9
[   38.154787][ T5074] Code: Unable to access opcode bytes at 0x7fdb7219daaf.
[   38.161860][ T5074] RSP: 002b:00007ffc05e0ff48 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   38.170331][ T5074] RAX: ffffffffffffffda RBX: 00007fdb72213350 RCX: 00007fdb7219dad9
[   38.178279][ T5074] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
[   38.186320][ T5074] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fdb7220de40
[   38.194262][ T5074] R10: 000000000001ff01 R11: 0000000000000246 R12: 00007fdb72213350
[   38.202205][ T5074] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   38.210239][ T5074]  </TASK>
[   38.213251][ T5074] Modules linked in:
[   38.217535][ T5074] ---[ end trace 0000000000000000 ]---
[   38.223536][ T5074] RIP: 0010:do_journal_end+0x167d/0x4af0
[   38.229249][ T5074] Code: c6 41 84 f0 0f 85 16 2b 00 00 83 e2 07 38 d1 40 0f 9e c6 84 c9 0f 95 c2 40 84 d6 0f 85 ff 2a 00 00 8b 4b 14 48 8d 7d 18 31 d2 <48> f7 f1 4a 8d 34 2a 48 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1
[   38.249023][ T5074] RSP: 0018:ffffc90003f6f9c8 EFLAGS: 00010246
[   38.255206][ T5074] RAX: 0000000000000003 RBX: ffff88807430d000 RCX: 0000000000000000
[   38.263203][ T5074] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888017dec018
[   38.271199][ T5074] RBP: ffff888017dec000 R08: 0000000000000001 R09: ffff8880214d0000
[   38.279228][ T5074] R10: 0000000000000001 R11: 0000000000000004 R12: 0000000000001000
[   38.287206][ T5074] R13: 0000000000000000 R14: ffffc90003f6fbb8 R15: ffff888073c980e8
[   38.295233][ T5074] FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[   38.304180][ T5074] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   38.310802][ T5074] CR2: 00007fff24dccfc8 CR3: 000000000c571000 CR4: 0000000000350ee0
[   38.318801][ T5074] Kernel panic - not syncing: Fatal exception
[   38.324925][ T5074] Kernel Offset: disabled
[   38.329227][ T5074] Rebooting in 86400 seconds..