./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1502047264
<...>
Warning: Permanently added '10.128.1.124' (ED25519) to the list of known hosts.
execve("./syz-executor1502047264", ["./syz-executor1502047264"], 0x7fffef813c50 /* 10 vars */) = 0
brk(NULL) = 0x5555576c6000
brk(0x5555576c6d00) = 0x5555576c6d00
arch_prctl(ARCH_SET_FS, 0x5555576c6380) = 0
set_tid_address(0x5555576c6650) = 5843
set_robust_list(0x5555576c6660, 24) = 0
rseq(0x5555576c6ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1502047264", 4096) = 28
getrandom("\x9a\xc9\xa1\x2b\x21\x9c\x41\x76", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555576c6d00
brk(0x5555576e7d00) = 0x5555576e7d00
brk(0x5555576e8000) = 0x5555576e8000
mprotect(0x7fef5bfa3000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
openat(AT_FDCWD, "/proc/self/make-it-fail", O_WRONLY) = 3
close(3) = 0
openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_WRONLY) = 3
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3
write(3, "N", 1) = 1
close(3) = 0
openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3
write(3, "0", 1) = 1
close(3) = 0
mkdir("./syzkaller.iDEMyk", 0700) = 0
chmod("./syzkaller.iDEMyk", 0777) = 0
chdir("./syzkaller.iDEMyk") = 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./strace-static-x86_64: Process 5844 attached
, child_tidptr=0x5555576c6650) = 5844
[pid 5844] set_robust_list(0x5555576c6660, 24) = 0
[pid 5844] chdir("./0") = 0
[pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5844] setpgid(0, 0) = 0
[pid 5844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5844] write(3, "1000", 4) = 4
[pid 5844] close(3) = 0
[pid 5844] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 5844] write(1, "executing program\n", 18) = 18
[pid 5844] memfd_create("syzkaller", 0) = 3
[pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fef53a00000
[pid 5844] 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"..., 16777216) = 16777216
[pid 5844] munmap(0x7fef53a00000, 138412032) = 0
[pid 5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5844] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5844] close(3) = 0
[pid 5844] close(4) = 0
[pid 5844] mkdir("./bus", 0777) = 0
[ 114.020436][ T5844] loop0: detected capacity change from 0 to 32768
[ 114.066502][ T5844] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor150 (5844)
[ 114.108508][ T5844] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[ 114.119294][ T5844] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm
[ 114.246529][ T5844] BTRFS info (device loop0): rebuilding free space tree
[ 114.282360][ T5844] BTRFS info (device loop0): disabling free space tree
[pid 5844] mount("/dev/loop0", "./bus", "btrfs", MS_NOEXEC, "barrier,autodefrag,ref_verify,compress=no,clear_cache,noacl,max_inline=074t,barrier,nospace_cache,") = 0
[pid 5844] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid 5844] chdir("./bus") = 0
[ 114.289651][ T5844] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 114.299925][ T5844] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[pid 5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5844] ioctl(4, LOOP_CLR_FD) = 0
[pid 5844] close(4) = 0
[pid 5844] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 5844] write(4, "7", 1) = 1
[pid 5844] truncate("./file1", 3936) = -1 ENOMEM (Cannot allocate memory)
[ 114.391533][ T5844] FAULT_INJECTION: forcing a failure.
[ 114.391533][ T5844] name failslab, interval 1, probability 0, space 0, times 1
[ 114.405393][ T5844] CPU: 0 UID: 0 PID: 5844 Comm: syz-executor150 Not tainted 6.14.0-rc2-next-20250214-syzkaller #0
[ 114.405421][ T5844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 114.405438][ T5844] Call Trace:
[ 114.405446][ T5844]
[ 114.405455][ T5844] dump_stack_lvl+0x241/0x360
[ 114.405512][ T5844] ? __pfx_dump_stack_lvl+0x10/0x10
[ 114.405538][ T5844] ? __pfx__printk+0x10/0x10
[ 114.405565][ T5844] ? fs_reclaim_acquire+0x93/0x130
[ 114.405592][ T5844] ? __pfx___might_resched+0x10/0x10
[ 114.405622][ T5844] ? find_inode+0x405/0x480
[ 114.405654][ T5844] should_fail_ex+0x40a/0x550
[ 114.405693][ T5844] should_failslab+0xac/0x100
[ 114.405728][ T5844] ? btrfs_iget+0x1b7/0x2b0
[ 114.405746][ T5844] kmem_cache_alloc_noprof+0x70/0x380
[ 114.405789][ T5844] btrfs_iget+0x1b7/0x2b0
[ 114.405807][ T5844] ? lockdep_hardirqs_on+0x99/0x150
[ 114.405838][ T5844] ? __pfx_btrfs_iget+0x10/0x10
[ 114.405856][ T5844] ? btrfs_lookup_dentry+0x382/0x1640
[ 114.405886][ T5844] ? btrfs_lookup_dentry+0x382/0x1640
[ 114.405917][ T5844] btrfs_lookup_dentry+0x407/0x1640
[ 114.405958][ T5844] ? __pfx_btrfs_lookup_dentry+0x10/0x10
[ 114.405985][ T5844] ? d_alloc_parallel+0x14dd/0x1630
[ 114.406029][ T5844] ? d_alloc_parallel+0x311/0x1630
[ 114.406066][ T5844] ? __pfx_lockdep_init_map_type+0x10/0x10
[ 114.406130][ T5844] btrfs_lookup+0x1d/0x40
[ 114.406162][ T5844] __lookup_slow+0x296/0x400
[ 114.406191][ T5844] ? __pfx___lookup_slow+0x10/0x10
[ 114.406246][ T5844] ? lookup_fast+0x1a8/0x5a0
[ 114.406275][ T5844] lookup_slow+0x53/0x70
[ 114.406301][ T5844] walk_component+0x2eb/0x410
[ 114.406329][ T5844] path_lookupat+0x169/0x440
[ 114.406366][ T5844] filename_lookup+0x2a6/0x670
[ 114.406389][ T5844] ? __virt_addr_valid+0x183/0x530
[ 114.406423][ T5844] ? __pfx_filename_lookup+0x10/0x10
[ 114.406488][ T5844] ? strncpy_from_user+0x150/0x280
[ 114.406525][ T5844] ? getname_flags+0x1e3/0x530
[ 114.406566][ T5844] user_path_at+0x3a/0x60
[ 114.406593][ T5844] do_sys_truncate+0xa4/0x190
[ 114.406620][ T5844] ? __pfx_do_sys_truncate+0x10/0x10
[ 114.406648][ T5844] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 114.406684][ T5844] ? do_syscall_64+0x100/0x230
[ 114.406716][ T5844] __x64_sys_truncate+0x5b/0x70
[ 114.406745][ T5844] do_syscall_64+0xf3/0x230
[ 114.406769][ T5844] ? clear_bhb_loop+0x35/0x90
[ 114.406805][ T5844] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 114.406833][ T5844] RIP: 0033:0x7fef5bf31cd9
[ 114.406862][ T5844] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 114.406878][ T5844] RSP: 002b:00007ffd02d59ec8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 114.406900][ T5844] RAX: ffffffffffffffda RBX: 00007ffd02d59ef0 RCX: 00007fef5bf31cd9
[ 114.406916][ T5844] RDX: 00007fef5bf30da0 RSI: 0000000000000f60 RDI: 0000400000000080
[pid 5844] exit_group(0) = ?
[pid 5844] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5844, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=63 /* 0.63 s */} ---
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x5555576c76f0 /* 4 entries */, 32768) = 104
umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/binderfs") = 0
[ 114.406929][ T5844] RBP: 0000000000000001 R08: 00007ffd02d59c67 R09: 00007ffd02d59f10
[ 114.406943][ T5844] R10: 0000000000000001 R11: 0000000000000246 R12: 0000400000000080
[ 114.406955][ T5844] R13: 0000000000000000 R14: 431bde82d7b634db R15: 00007ffd02d59f30
[ 114.406997][ T5844]
[ 114.757394][ T5843] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[ 114.832545][ T5843] VFS: Busy inodes after unmount of loop0 (btrfs)
[ 114.832831][ T5843] ------------[ cut here ]------------
[ 114.844946][ T5843] kernel BUG at fs/super.c:652!
[ 114.870172][ T5843] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
[ 114.877170][ T5843] CPU: 1 UID: 0 PID: 5843 Comm: syz-executor150 Not tainted 6.14.0-rc2-next-20250214-syzkaller #0
[ 114.887788][ T5843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 114.897872][ T5843] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0
[ 114.904056][ T5843] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 a9 1a ee ff 48 8b 13 48 c7 c7 c0 c4 38 8c 4c 89 e6 e8 87 85 eb fe 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[ 114.923691][ T5843] RSP: 0018:ffffc9000418fbb0 EFLAGS: 00010246
[ 114.929774][ T5843] RAX: 000000000000002f RBX: ffffffff8f0a2e00 RCX: 0952fb7c0014f700
[ 114.937868][ T5843] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 114.945845][ T5843] RBP: 1ffff110062738f0 R08: ffffffff81a16efc R09: 1ffff92000831f10
[ 114.954269][ T5843] R10: dffffc0000000000 R11: fffff52000831f11 R12: ffff88803139c668
[ 114.962267][ T5843] R13: dffffc0000000000 R14: ffffffff8c6bfa38 R15: ffff88803139c780
[ 114.970250][ T5843] FS: 00005555576c6380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 114.979201][ T5843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 114.985805][ T5843] CR2: 00007fb3e63f9458 CR3: 00000000784c6000 CR4: 00000000003526f0
[ 114.993801][ T5843] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 115.001790][ T5843] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 115.009771][ T5843] Call Trace:
[ 115.013057][ T5843]
[ 115.016024][ T5843] ? __die_body+0x5f/0xb0
[ 115.020373][ T5843] ? die+0x9e/0xc0
[ 115.024118][ T5843] ? do_trap+0x15a/0x3a0
[ 115.028375][ T5843] ? generic_shutdown_super+0x2ca/0x2d0
[ 115.033941][ T5843] ? do_error_trap+0x1dc/0x2c0
[ 115.038723][ T5843] ? generic_shutdown_super+0x2ca/0x2d0
[ 115.044281][ T5843] ? __pfx_do_error_trap+0x10/0x10
[ 115.049420][ T5843] ? handle_invalid_op+0x34/0x40
[ 115.054374][ T5843] ? generic_shutdown_super+0x2ca/0x2d0
[ 115.059932][ T5843] ? exc_invalid_op+0x38/0x50
[ 115.064622][ T5843] ? asm_exc_invalid_op+0x1a/0x20
[ 115.069662][ T5843] ? __wake_up_klogd+0xcc/0x110
[ 115.074531][ T5843] ? generic_shutdown_super+0x2ca/0x2d0
[ 115.080100][ T5843] kill_anon_super+0x3b/0x70
[ 115.084700][ T5843] btrfs_kill_super+0x41/0x50
[ 115.089396][ T5843] deactivate_locked_super+0xc4/0x130
[ 115.094886][ T5843] cleanup_mnt+0x41f/0x4b0
[ 115.099333][ T5843] ? lockdep_hardirqs_on+0x99/0x150
[ 115.104543][ T5843] task_work_run+0x24f/0x310
[ 115.109148][ T5843] ? __pfx_task_work_run+0x10/0x10
[ 115.114301][ T5843] ? path_umount+0x211/0xf80
[ 115.118906][ T5843] ptrace_notify+0x2d9/0x380
[ 115.123511][ T5843] ? __x64_sys_umount+0x120/0x170
[ 115.128559][ T5843] ? user_path_at+0x44/0x60
[ 115.133074][ T5843] ? __pfx_ptrace_notify+0x10/0x10
[ 115.138223][ T5843] ? kmem_cache_free+0x195/0x410
[ 115.143183][ T5843] ? __x64_sys_umount+0x120/0x170
[ 115.148226][ T5843] syscall_exit_work+0xc7/0x1d0
[ 115.153092][ T5843] syscall_exit_to_user_mode+0x24a/0x340
[ 115.158747][ T5843] do_syscall_64+0x100/0x230
[ 115.163351][ T5843] ? clear_bhb_loop+0x35/0x90
[ 115.168047][ T5843] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 115.173957][ T5843] RIP: 0033:0x7fef5bf32f37
[ 115.178385][ T5843] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[ 115.198124][ T5843] RSP: 002b:00007ffd02d58dd8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[ 115.206566][ T5843] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fef5bf32f37
[ 115.214567][ T5843] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd02d58e90
[ 115.222545][ T5843] RBP: 00007ffd02d58e90 R08: 0000000000000000 R09: 0000000000000000
[ 115.230530][ T5843] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd02d59f10
[ 115.238510][ T5843] R13: 00005555576c76c0 R14: 431bde82d7b634db R15: 00007ffd02d59f30
[ 115.246499][ T5843]
[ 115.249523][ T5843] Modules linked in:
[ 115.253892][ T5843] ---[ end trace 0000000000000000 ]---
[ 115.265415][ T5843] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0
[ 115.271693][ T5843] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 a9 1a ee ff 48 8b 13 48 c7 c7 c0 c4 38 8c 4c 89 e6 e8 87 85 eb fe 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[ 115.291427][ T5843] RSP: 0018:ffffc9000418fbb0 EFLAGS: 00010246
[ 115.299765][ T5843] RAX: 000000000000002f RBX: ffffffff8f0a2e00 RCX: 0952fb7c0014f700
[ 115.307863][ T5843] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 115.315907][ T5843] RBP: 1ffff110062738f0 R08: ffffffff81a16efc R09: 1ffff92000831f10
[ 115.324106][ T5843] R10: dffffc0000000000 R11: fffff52000831f11 R12: ffff88803139c668
[ 115.332102][ T5843] R13: dffffc0000000000 R14: ffffffff8c6bfa38 R15: ffff88803139c780
[ 115.340190][ T5843] FS: 00005555576c6380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 115.349192][ T5843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 115.355818][ T5843] CR2: 00007fb3e67ff440 CR3: 00000000784c6000 CR4: 00000000003526f0
[ 115.363956][ T5843] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 115.371948][ T5843] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 115.379975][ T5843] Kernel panic - not syncing: Fatal exception
[ 115.386325][ T5843] Kernel Offset: disabled
[ 115.390690][ T5843] Rebooting in 86400 seconds..