./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1958184394
<...>
Warning: Permanently added '10.128.0.44' (ED25519) to the list of known hosts.
execve("./syz-executor1958184394", ["./syz-executor1958184394"], 0x7ffdd5cefdf0 /* 10 vars */) = 0
brk(NULL) = 0x555555d90000
brk(0x555555d90d00) = 0x555555d90d00
arch_prctl(ARCH_SET_FS, 0x555555d90380) = 0
set_tid_address(0x555555d90650) = 5839
set_robust_list(0x555555d90660, 24) = 0
rseq(0x555555d90ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1958184394", 4096) = 28
getrandom("\xa6\x37\x54\x8c\xd4\x95\xb7\xd4", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555555d90d00
brk(0x555555db1d00) = 0x555555db1d00
brk(0x555555db2000) = 0x555555db2000
mprotect(0x7ff3c87ee000, 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.2eQMay", 0700) = 0
chmod("./syzkaller.2eQMay", 0777) = 0
chdir("./syzkaller.2eQMay") = 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 5841 attached
, child_tidptr=0x555555d90650) = 5841
[pid 5841] set_robust_list(0x555555d90660, 24) = 0
[pid 5841] chdir("./0") = 0
[pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5841] setpgid(0, 0) = 0
[pid 5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5841] write(3, "1000", 4) = 4
[pid 5841] close(3) = 0
[pid 5841] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 5841] write(1, "executing program\n", 18) = 18
[pid 5841] memfd_create("syzkaller", 0) = 3
[pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff3c0200000
[pid 5841] 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 5841] munmap(0x7ff3c0200000, 138412032) = 0
[pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5841] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5841] close(3) = 0
[pid 5841] close(4) = 0
[pid 5841] mkdir("./bus", 0777) = 0
[ 110.962427][ T5841] loop0: detected capacity change from 0 to 32768
[ 111.009108][ T5841] BTRFS: device fsid ed167579-eb65-4e76-9a50-61ac97e9b59d devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor195 (5841)
[ 111.045058][ T5841] BTRFS info (device loop0): first mount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[ 111.067865][ T5841] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm
[ 111.177289][ T5841] BTRFS info (device loop0): rebuilding free space tree
[ 111.214316][ T5841] BTRFS info (device loop0): disabling free space tree
[pid 5841] mount("/dev/loop0", "./bus", "btrfs", MS_NOEXEC, "barrier,autodefrag,ref_verify,compress=no,clear_cache,noacl,max_inline=074t,barrier,nospace_cache,") = 0
[pid 5841] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid 5841] chdir("./bus") = 0
[pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 111.221554][ T5841] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
[ 111.231790][ T5841] BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
[pid 5841] ioctl(4, LOOP_CLR_FD) = 0
[pid 5841] close(4) = 0
[pid 5841] openat(AT_FDCWD, "/proc/thread-self/fail-nth", O_RDWR) = 4
[pid 5841] write(4, "7", 1) = 1
[ 111.330009][ T5841] FAULT_INJECTION: forcing a failure.
[ 111.330009][ T5841] name failslab, interval 1, probability 0, space 0, times 1
[ 111.343172][ T5841] CPU: 0 UID: 0 PID: 5841 Comm: syz-executor195 Not tainted 6.14.0-rc2-next-20250214-syzkaller #0
[ 111.343198][ T5841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 111.343214][ T5841] Call Trace:
[ 111.343222][ T5841]
[ 111.343230][ T5841] dump_stack_lvl+0x241/0x360
[ 111.343285][ T5841] ? __pfx_dump_stack_lvl+0x10/0x10
[ 111.343310][ T5841] ? __pfx__printk+0x10/0x10
[ 111.343336][ T5841] ? fs_reclaim_acquire+0x93/0x130
[ 111.343362][ T5841] ? __pfx___might_resched+0x10/0x10
[ 111.343390][ T5841] ? find_inode+0x405/0x480
[ 111.343421][ T5841] should_fail_ex+0x40a/0x550
[ 111.343481][ T5841] should_failslab+0xac/0x100
[ 111.343515][ T5841] ? btrfs_iget+0x1b7/0x2b0
[ 111.343533][ T5841] kmem_cache_alloc_noprof+0x70/0x380
[ 111.343573][ T5841] btrfs_iget+0x1b7/0x2b0
[ 111.343590][ T5841] ? lockdep_hardirqs_on+0x99/0x150
[ 111.343622][ T5841] ? __pfx_btrfs_iget+0x10/0x10
[ 111.343641][ T5841] ? btrfs_lookup_dentry+0x382/0x1640
[ 111.343670][ T5841] ? btrfs_lookup_dentry+0x382/0x1640
[ 111.343703][ T5841] btrfs_lookup_dentry+0x407/0x1640
[ 111.343744][ T5841] ? __pfx_btrfs_lookup_dentry+0x10/0x10
[ 111.343772][ T5841] ? d_alloc_parallel+0x14dd/0x1630
[ 111.343816][ T5841] ? d_alloc_parallel+0x311/0x1630
[ 111.343852][ T5841] ? __pfx_lockdep_init_map_type+0x10/0x10
[ 111.343917][ T5841] btrfs_lookup+0x1d/0x40
[ 111.343949][ T5841] __lookup_slow+0x296/0x400
[ 111.343978][ T5841] ? __pfx___lookup_slow+0x10/0x10
[ 111.344025][ T5841] ? lookup_fast+0x1a8/0x5a0
[ 111.344055][ T5841] lookup_slow+0x53/0x70
[ 111.344081][ T5841] walk_component+0x2eb/0x410
[ 111.344109][ T5841] path_lookupat+0x169/0x440
[ 111.344147][ T5841] filename_lookup+0x2a6/0x670
[ 111.344169][ T5841] ? __virt_addr_valid+0x183/0x530
[ 111.344203][ T5841] ? __pfx_filename_lookup+0x10/0x10
[ 111.344268][ T5841] ? strncpy_from_user+0x150/0x280
[ 111.344305][ T5841] ? getname_flags+0x1e3/0x530
[ 111.344346][ T5841] user_path_at+0x3a/0x60
[ 111.344372][ T5841] do_sys_truncate+0xa4/0x190
[ 111.344400][ T5841] ? __pfx_do_sys_truncate+0x10/0x10
[ 111.344427][ T5841] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 111.344471][ T5841] ? do_syscall_64+0x100/0x230
[ 111.344503][ T5841] __x64_sys_truncate+0x5b/0x70
[ 111.344531][ T5841] do_syscall_64+0xf3/0x230
[ 111.344559][ T5841] ? clear_bhb_loop+0x35/0x90
[ 111.344594][ T5841] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 111.344621][ T5841] RIP: 0033:0x7ff3c877ccd9
[ 111.344650][ T5841] 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
[ 111.344666][ T5841] RSP: 002b:00007fff8fce8d28 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
[ 111.344688][ T5841] RAX: ffffffffffffffda RBX: 00007fff8fce8d50 RCX: 00007ff3c877ccd9
[ 111.344703][ T5841] RDX: 00007ff3c877bda0 RSI: 0000000000000f60 RDI: 0000400000000080
[ 111.344717][ T5841] RBP: 0000000000000001 R08: 00007fff8fce8ac7 R09: 00007fff8fce8d70
[pid 5841] truncate("./file1", 3936) = -1 ENOMEM (Cannot allocate memory)
[pid 5841] exit_group(0) = ?
[pid 5841] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=5 /* 0.05 s */, si_stime=38 /* 0.38 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[ 111.344729][ T5841] R10: 0000000000000001 R11: 0000000000000246 R12: 0000400000000080
[ 111.344741][ T5841] R13: 0000000000000000 R14: 431bde82d7b634db R15: 00007fff8fce8d90
[ 111.344783][ T5841]
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555555d916f0 /* 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
[ 111.707219][ T5839] BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d
[ 111.780169][ T5839] VFS: Busy inodes after unmount of loop0 (btrfs)
[ 111.780456][ T5839] ------------[ cut here ]------------
[ 111.792512][ T5839] kernel BUG at fs/super.c:652!
[ 111.821854][ T5839] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
[ 111.828855][ T5839] CPU: 1 UID: 0 PID: 5839 Comm: syz-executor195 Not tainted 6.14.0-rc2-next-20250214-syzkaller #0
[ 111.839451][ T5839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 111.849515][ T5839] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0
[ 111.855687][ T5839] 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
[ 111.875304][ T5839] RSP: 0018:ffffc900040afbb0 EFLAGS: 00010246
[ 111.881380][ T5839] RAX: 000000000000002f RBX: ffffffff8f0a2e00 RCX: 1b7f82ff37984900
[ 111.889360][ T5839] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 111.897341][ T5839] RBP: 1ffff11006c0c8f0 R08: ffffffff81a16efc R09: 1ffff92000815f10
[ 111.905320][ T5839] R10: dffffc0000000000 R11: fffff52000815f11 R12: ffff888036064668
[ 111.913303][ T5839] R13: dffffc0000000000 R14: ffffffff8c6bfa38 R15: ffff888036064780
[ 111.921312][ T5839] FS: 0000555555d90380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 111.930428][ T5839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 111.937020][ T5839] CR2: 000055583d595668 CR3: 000000007afec000 CR4: 00000000003526f0
[ 111.945013][ T5839] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 111.952995][ T5839] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 111.960997][ T5839] Call Trace:
[ 111.964286][ T5839]
[ 111.967230][ T5839] ? __die_body+0x5f/0xb0
[ 111.971576][ T5839] ? die+0x9e/0xc0
[ 111.975312][ T5839] ? do_trap+0x15a/0x3a0
[ 111.979566][ T5839] ? generic_shutdown_super+0x2ca/0x2d0
[ 111.985150][ T5839] ? do_error_trap+0x1dc/0x2c0
[ 111.990277][ T5839] ? generic_shutdown_super+0x2ca/0x2d0
[ 111.995839][ T5839] ? __pfx_do_error_trap+0x10/0x10
[ 112.000991][ T5839] ? handle_invalid_op+0x34/0x40
[ 112.005951][ T5839] ? generic_shutdown_super+0x2ca/0x2d0
[ 112.011507][ T5839] ? exc_invalid_op+0x38/0x50
[ 112.016197][ T5839] ? asm_exc_invalid_op+0x1a/0x20
[ 112.021244][ T5839] ? __wake_up_klogd+0xcc/0x110
[ 112.026137][ T5839] ? generic_shutdown_super+0x2ca/0x2d0
[ 112.031694][ T5839] kill_anon_super+0x3b/0x70
[ 112.036295][ T5839] btrfs_kill_super+0x41/0x50
[ 112.040986][ T5839] deactivate_locked_super+0xc4/0x130
[ 112.046370][ T5839] cleanup_mnt+0x41f/0x4b0
[ 112.050799][ T5839] ? lockdep_hardirqs_on+0x99/0x150
[ 112.056007][ T5839] task_work_run+0x24f/0x310
[ 112.060611][ T5839] ? __pfx_task_work_run+0x10/0x10
[ 112.065734][ T5839] ? path_umount+0x211/0xf80
[ 112.070341][ T5839] ptrace_notify+0x2d9/0x380
[ 112.074940][ T5839] ? __x64_sys_umount+0x120/0x170
[ 112.079975][ T5839] ? user_path_at+0x44/0x60
[ 112.084485][ T5839] ? __pfx_ptrace_notify+0x10/0x10
[ 112.089608][ T5839] ? kmem_cache_free+0x195/0x410
[ 112.094570][ T5839] ? __x64_sys_umount+0x120/0x170
[ 112.099616][ T5839] syscall_exit_work+0xc7/0x1d0
[ 112.104477][ T5839] syscall_exit_to_user_mode+0x24a/0x340
[ 112.110129][ T5839] do_syscall_64+0x100/0x230
[ 112.114732][ T5839] ? clear_bhb_loop+0x35/0x90
[ 112.119429][ T5839] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 112.125336][ T5839] RIP: 0033:0x7ff3c877df37
[ 112.129760][ T5839] 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
[ 112.149375][ T5839] RSP: 002b:00007fff8fce7c38 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 112.157899][ T5839] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff3c877df37
[ 112.165889][ T5839] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff8fce7cf0
[ 112.173889][ T5839] RBP: 00007fff8fce7cf0 R08: 0000000000000000 R09: 0000000000000000
[ 112.181867][ T5839] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fff8fce8d70
[ 112.189846][ T5839] R13: 0000555555d916c0 R14: 431bde82d7b634db R15: 00007fff8fce8d90
[ 112.197836][ T5839]
[ 112.200862][ T5839] Modules linked in:
[ 112.205023][ T5839] ---[ end trace 0000000000000000 ]---
[ 112.216805][ T5839] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0
[ 112.223039][ T5839] 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
[ 112.243174][ T5839] RSP: 0018:ffffc900040afbb0 EFLAGS: 00010246
[ 112.250030][ T5839] RAX: 000000000000002f RBX: ffffffff8f0a2e00 RCX: 1b7f82ff37984900
[ 112.258141][ T5839] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
[ 112.266490][ T5839] RBP: 1ffff11006c0c8f0 R08: ffffffff81a16efc R09: 1ffff92000815f10
[ 112.274511][ T5839] R10: dffffc0000000000 R11: fffff52000815f11 R12: ffff888036064668
[ 112.282596][ T5839] R13: dffffc0000000000 R14: ffffffff8c6bfa38 R15: ffff888036064780
[ 112.290631][ T5839] FS: 0000555555d90380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 112.299737][ T5839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 112.306388][ T5839] CR2: 000055a91fb406a0 CR3: 000000007afec000 CR4: 00000000003526f0
[ 112.314368][ T5839] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 112.322582][ T5839] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 112.330669][ T5839] Kernel panic - not syncing: Fatal exception
[ 112.336896][ T5839] Kernel Offset: disabled
[ 112.341224][ T5839] Rebooting in 86400 seconds..