./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor75825258

<...>
DUID 00:04:f8:b5:8a:47:ae:09:95:3a:43:2d:d7:42:86:31:94:89
forked to background, child pid 4645
[   31.741605][ T4646] 8021q: adding VLAN 0 to HW filter on device bond0
[   31.760513][ T4646] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.69' (ECDSA) to the list of known hosts.
execve("./syz-executor75825258", ["./syz-executor75825258"], 0x7ffe9d222dd0 /* 10 vars */) = 0
brk(NULL)                               = 0x555555b97000
brk(0x555555b97c40)                     = 0x555555b97c40
arch_prctl(ARCH_SET_FS, 0x555555b97300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
set_tid_address(0x555555b975d0)         = 5066
set_robust_list(0x555555b975e0, 24)     = 0
rt_sigaction(SIGRTMIN, {sa_handler=0x7ff72f437690, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7ff72f437d60}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=0x7ff72f437730, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff72f437d60}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor75825258", 4096) = 26
brk(0x555555bb8c40)                     = 0x555555bb8c40
brk(0x555555bb9000)                     = 0x555555bb9000
mprotect(0x7ff72f4fa000, 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
getpid()                                = 5066
mkdir("./syzkaller.jFpcRf", 0700)       = 0
chmod("./syzkaller.jFpcRf", 0777)       = 0
chdir("./syzkaller.jFpcRf")             = 0
mkdir("./0", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555b975d0) = 5067
./strace-static-x86_64: Process 5067 attached
[pid  5067] set_robust_list(0x555555b975e0, 24) = 0
[pid  5067] chdir("./0")                = 0
[pid  5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5067] setpgid(0, 0)               = 0
[pid  5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5067] write(3, "1000", 4)         = 4
[pid  5067] close(3)                    = 0
[pid  5067] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5067] futex(0x7ff72f5007ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff72f406000
[pid  5067] mprotect(0x7ff72f407000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5067] clone(child_stack=0x7ff72f4263f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5069], tls=0x7ff72f426700, child_tidptr=0x7ff72f4269d0) = 5069
[pid  5067] futex(0x7ff72f5007e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5067] futex(0x7ff72f5007ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5069 attached
 <unfinished ...>
[pid  5069] set_robust_list(0x7ff72f4269e0, 24) = 0
[pid  5069] memfd_create("syzkaller", 0) = 3
[pid  5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff727006000
[pid  5069] 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  5069] munmap(0x7ff727006000, 1048576) = 0
[pid  5069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5069] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5069] close(3)                    = 0
[pid  5069] mkdir("./file0", 0777)      = 0
syzkaller login: [   54.566140][ T5069] loop0: detected capacity change from 0 to 2048
[   54.587947][ T5070] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[pid  5069] mount("/dev/loop0", "./file0", "nilfs2", MS_NOEXEC|MS_NODIRATIME, "") = 0
[pid  5069] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  5069] chdir("./file0")            = 0
[pid  5069] ioctl(4, LOOP_CLR_FD)       = 0
[pid  5069] close(4)                    = 0
[pid  5069] futex(0x7ff72f5007ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5067] <... futex resumed>)        = 0
[pid  5067] futex(0x7ff72f5007e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5067] futex(0x7ff72f5007ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5069] <... futex resumed>)        = 1
[pid  5069] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 4
[pid  5069] futex(0x7ff72f5007ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5067] <... futex resumed>)        = 0
[pid  5067] futex(0x7ff72f5007e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5067] futex(0x7ff72f5007ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5069] <... futex resumed>)        = 1
[pid  5069] openat(-1, "/proc/self/exe", O_RDONLY) = 5
[pid  5069] futex(0x7ff72f5007ec, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5067] <... futex resumed>)        = 0
[pid  5067] futex(0x7ff72f5007e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5067] futex(0x7ff72f5007ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5069] <... futex resumed>)        = 1
[pid  5069] sendfile(4, 5, NULL, 140737974943952 <unfinished ...>
[pid  5067] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5067] futex(0x7ff72f5007fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff7270e5000
[pid  5067] mprotect(0x7ff7270e6000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5067] clone(child_stack=0x7ff7271053f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5071 attached
, parent_tid=[5071], tls=0x7ff727105700, child_tidptr=0x7ff7271059d0) = 5071
[   54.601165][   T27] audit: type=1800 audit(1671768129.300:2): pid=5069 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor758" name="bus" dev="loop0" ino=18 res=0 errno=0
[pid  5067] futex(0x7ff72f5007f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5067] futex(0x7ff72f5007fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5071] set_robust_list(0x7ff7271059e0, 24) = 0
[pid  5071] open(NULL, O_RDONLY|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_LARGEFILE|O_DIRECTORY, 000) = -1 EFAULT (Bad address)
[pid  5071] futex(0x7ff72f5007fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5067] <... futex resumed>)        = 0
[pid  5067] futex(0x7ff72f5007f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5067] futex(0x7ff72f5007fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5071] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = 0
[pid  5071] futex(0x7ff72f5007fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5067] <... futex resumed>)        = 0
[pid  5071] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000 <unfinished ...>
[pid  5067] futex(0x7ff72f5007f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5067] futex(0x7ff72f5007fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5071] <... open resumed>)         = 6
[pid  5071] futex(0x7ff72f5007fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5067] <... futex resumed>)        = 0
[pid  5067] futex(0x7ff72f5007f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5067] futex(0x7ff72f5007fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5071] openat(-1, "/proc/self/exe", O_RDONLY) = 7
[pid  5071] futex(0x7ff72f5007fc, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5067] <... futex resumed>)        = 0
[pid  5067] futex(0x7ff72f5007f8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5067] futex(0x7ff72f5007fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5071] sendfile(6, 7, NULL, 140737974943952 <unfinished ...>
[pid  5067] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[   54.791414][    C0] ------------[ cut here ]------------
[   54.797016][    C0] kernel BUG at mm/filemap.c:1615!
[   54.802134][    C0] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   54.808201][    C0] CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.1.0-syzkaller-14321-g0a924817d2ed #0
[   54.817750][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   54.827809][    C0] RIP: 0010:folio_end_writeback+0x34d/0x530
[pid  5067] exit_group(0 <unfinished ...>
[pid  5069] <... sendfile resumed>)     = ?
[pid  5067] <... exit_group resumed>)   = ?
[pid  5069] +++ exited with 0 +++
[   54.833741][    C0] Code: 84 87 00 00 00 e8 13 5a d2 ff e9 36 fd ff ff e8 09 5a d2 ff 4c 89 f7 48 c7 c6 20 84 f8 8a e8 ca 3a 10 00 0f 0b e8 f3 59 d2 ff <0f> 0b e8 ec 59 d2 ff 4c 89 f7 48 c7 c6 60 86 f8 8a e8 ad 3a 10 00
[   54.853480][    C0] RSP: 0018:ffffc90000147b88 EFLAGS: 00010246
[   54.859564][    C0] RAX: ffffffff81b9813d RBX: 0000000000000082 RCX: ffff88813fefba80
[   54.867549][    C0] RDX: 0000000080000100 RSI: ffffffff8aedcc60 RDI: ffffffff8b4bbfe0
[   54.875555][    C0] RBP: 1ffffd40000ed426 R08: dffffc0000000000 R09: fffffbfff1d2cabe
[   54.883534][    C0] R10: fffffbfff1d2cabe R11: 1ffffffff1d2cabd R12: ffffea000076a134
[   54.891510][    C0] R13: dffffc0000000000 R14: ffffea000076a100 R15: 1ffffd40000ed420
[   54.899477][    C0] FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[   54.908406][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.914977][    C0] CR2: 00007ff727105718 CR3: 00000000291ab000 CR4: 00000000003506f0
[   54.922948][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   54.930920][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   54.938881][    C0] Call Trace:
[   54.942150][    C0]  <TASK>
[   54.945073][    C0]  ? mark_buffer_write_io_error+0x340/0x340
[   54.950976][    C0]  end_bio_bh_io_sync+0xb1/0x110
[   54.955946][    C0]  blk_update_request+0x51c/0x1040
[   54.961078][    C0]  blk_mq_end_request+0x39/0x70
[   54.966033][    C0]  blk_done_softirq+0x119/0x160
[   54.970898][    C0]  __do_softirq+0x277/0x738
[   54.975446][    C0]  ? run_ksoftirqd+0xa2/0x100
[   54.980195][    C0]  ? __lock_text_end+0x6/0x6
[   54.984776][    C0]  ? run_ksoftirqd+0x84/0x100
[   54.989437][    C0]  run_ksoftirqd+0xa2/0x100
[   54.993929][    C0]  ? ksoftirqd_should_run+0x20/0x20
[   54.999134][    C0]  ? smpboot_thread_fn+0x2d9/0xa10
[   55.004265][    C0]  ? takeover_tasklets+0x890/0x890
[   55.009369][    C0]  ? ksoftirqd_should_run+0x20/0x20
[   55.014559][    C0]  smpboot_thread_fn+0x533/0xa10
[   55.019661][    C0]  kthread+0x266/0x300
[   55.023737][    C0]  ? cpu_report_death+0x2a0/0x2a0
[   55.028768][    C0]  ? kthread_blkcg+0xd0/0xd0
[   55.033402][    C0]  ret_from_fork+0x1f/0x30
[   55.037819][    C0]  </TASK>
[   55.040821][    C0] Modules linked in:
[   55.044773][    C0] ---[ end trace 0000000000000000 ]---
[   55.050318][    C0] RIP: 0010:folio_end_writeback+0x34d/0x530
[   55.056237][    C0] Code: 84 87 00 00 00 e8 13 5a d2 ff e9 36 fd ff ff e8 09 5a d2 ff 4c 89 f7 48 c7 c6 20 84 f8 8a e8 ca 3a 10 00 0f 0b e8 f3 59 d2 ff <0f> 0b e8 ec 59 d2 ff 4c 89 f7 48 c7 c6 60 86 f8 8a e8 ad 3a 10 00
[   55.075883][    C0] RSP: 0018:ffffc90000147b88 EFLAGS: 00010246
[   55.081972][    C0] RAX: ffffffff81b9813d RBX: 0000000000000082 RCX: ffff88813fefba80
[   55.089997][    C0] RDX: 0000000080000100 RSI: ffffffff8aedcc60 RDI: ffffffff8b4bbfe0
[   55.098018][    C0] RBP: 1ffffd40000ed426 R08: dffffc0000000000 R09: fffffbfff1d2cabe
[   55.106043][    C0] R10: fffffbfff1d2cabe R11: 1ffffffff1d2cabd R12: ffffea000076a134
[   55.114230][    C0] R13: dffffc0000000000 R14: ffffea000076a100 R15: 1ffffd40000ed420
[   55.122202][    C0] FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[   55.131178][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.137835][    C0] CR2: 00007ff727105718 CR3: 00000000291ab000 CR4: 00000000003506f0
[   55.145840][    C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   55.153869][    C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   55.161863][    C0] Kernel panic - not syncing: Fatal exception in interrupt
[   55.169253][    C0] Kernel Offset: disabled
[   55.173580][    C0] Rebooting in 86400 seconds..