./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3532022539
<...>
Warning: Permanently added '10.128.1.182' (ED25519) to the list of known hosts.
execve("./syz-executor3532022539", ["./syz-executor3532022539"], 0x7ffdf3e654f0 /* 10 vars */) = 0
brk(NULL) = 0x55558cb41000
brk(0x55558cb41d00) = 0x55558cb41d00
arch_prctl(ARCH_SET_FS, 0x55558cb41380) = 0
set_tid_address(0x55558cb41650) = 5826
set_robust_list(0x55558cb41660, 24) = 0
rseq(0x55558cb41ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3532022539", 4096) = 28
getrandom("\x0f\xc3\x29\x4f\x2b\xa8\x99\x76", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558cb41d00
brk(0x55558cb62d00) = 0x55558cb62d00
brk(0x55558cb63000) = 0x55558cb63000
mprotect(0x7fd38046d000, 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
mkdir("./syzkaller.y4Iewa", 0700) = 0
chmod("./syzkaller.y4Iewa", 0777) = 0
chdir("./syzkaller.y4Iewa") = 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 5828 attached
, child_tidptr=0x55558cb41650) = 5828
[pid 5828] set_robust_list(0x55558cb41660, 24) = 0
[pid 5828] chdir("./0") = 0
[pid 5828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5828] setpgid(0, 0) = 0
[pid 5828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5828] write(3, "1000", 4) = 4
[pid 5828] close(3) = 0
[pid 5828] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5828] write(1, "executing program\n", 18executing program
) = 18
[pid 5828] ioctl(-1, NS_GET_OWNER_UID, NULL) = -1 EBADF (Bad file descriptor)
[pid 5828] memfd_create("syzkaller", 0) = 3
[pid 5828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd377e00000
[pid 5828] 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 5828] munmap(0x7fd377e00000, 138412032) = 0
[pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5828] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5828] close(3) = 0
[pid 5828] close(4) = 0
[pid 5828] mkdir("./file0", 0777) = 0
[ 68.135938][ T5828] loop0: detected capacity change from 0 to 32768
[ 68.174021][ T5828] gfs2: fsid=nodiscard: Trying to join cluster "lock_nolock", "nodiscard"
[ 68.185289][ T5828] gfs2: fsid=nodiscard: Now mounting FS (format 1801)...
[ 68.202647][ T5828] gfs2: fsid=nodiscard.0: journal 0 mapped with 3 extents in 0ms
[ 68.213280][ T1861] gfs2: fsid=nodiscard.0: jid=0, already locked for use
[ 68.220638][ T1861] gfs2: fsid=nodiscard.0: jid=0: Looking at journal...
[ 68.256682][ T1861] gfs2: fsid=nodiscard.0: jid=0: Journal head lookup took 36ms
[ 68.265144][ T1861] gfs2: fsid=nodiscard.0: jid=0: Done
[ 68.271813][ T5828] gfs2: fsid=nodiscard.0: first mount done, others may mount
[pid 5828] mount("/dev/loop0", "./file0", "gfs2", MS_NODEV|MS_RELATIME, "quota=off,suiddir,nobarrier,meta,noquota,errors=withdraw,discard,noloccookie,statfs_quantum=0x000000"...) = 0
[pid 5828] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5828] chdir("./file0") = 0
[pid 5828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5828] exit_group(0) = ?
[pid 5828] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5828, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=32 /* 0.32 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
[ 68.372773][ T5828] gfs2: fsid=nodiscard.0: found 1 quota changes
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, 0x55558cb426f0 /* 4 entries */, 32768) = 112
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
[ 68.531076][ T5826] ------------[ cut here ]------------
[ 68.536732][ T5826] WARNING: CPU: 1 PID: 5826 at include/linux/backing-dev.h:254 __folio_mark_dirty+0x907/0xed0
[ 68.547003][ T5826] Modules linked in:
[ 68.550946][ T5826] CPU: 1 UID: 0 PID: 5826 Comm: syz-executor353 Not tainted 6.12.0-rc6-next-20241108-syzkaller #0
[ 68.561667][ T5826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
[ 68.571726][ T5826] RIP: 0010:__folio_mark_dirty+0x907/0xed0
[ 68.577534][ T5826] Code: f9 ff ff e8 3b 7d c4 ff 4c 89 f7 48 8b 34 24 e8 7f 29 38 00 eb 87 e8 28 7d c4 ff 90 0f 0b 90 e9 45 ff ff ff e8 1a 7d c4 ff 90 <0f> 0b 90 e9 40 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 07 f9
[ 68.597153][ T5826] RSP: 0018:ffffc90003ccf690 EFLAGS: 00010093
[ 68.603218][ T5826] RAX: ffffffff81dafef6 RBX: 0000000000000000 RCX: ffff8880349d0000
[ 68.611184][ T5826] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 68.619156][ T5826] RBP: ffff888148d34cf8 R08: ffffffff81dafa32 R09: 1ffff110291a699f
[ 68.627130][ T5826] R10: dffffc0000000000 R11: ffffed10291a69a0 R12: 0000000000000001
[ 68.635098][ T5826] R13: ffff888148d34b88 R14: ffffea0001dbdf80 R15: 1ffff110291a699f
[ 68.643073][ T5826] FS: 000055558cb41380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 68.652177][ T5826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 68.658754][ T5826] CR2: 00007fffd74c8e58 CR3: 0000000076318000 CR4: 00000000003526f0
[ 68.666815][ T5826] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 68.674799][ T5826] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 68.682773][ T5826] Call Trace:
[ 68.686055][ T5826]
[ 68.688983][ T5826] ? __warn+0x168/0x4e0
[ 68.693140][ T5826] ? __folio_mark_dirty+0x907/0xed0
[ 68.698337][ T5826] ? report_bug+0x2b3/0x500
[ 68.702872][ T5826] ? __folio_mark_dirty+0x907/0xed0
[ 68.708100][ T5826] ? handle_bug+0x60/0x90
[ 68.712454][ T5826] ? exc_invalid_op+0x1a/0x50
[ 68.717169][ T5826] ? asm_exc_invalid_op+0x1a/0x20
[ 68.722202][ T5826] ? __folio_mark_dirty+0x442/0xed0
[ 68.727447][ T5826] ? __folio_mark_dirty+0x906/0xed0
[ 68.732652][ T5826] ? __folio_mark_dirty+0x907/0xed0
[ 68.737865][ T5826] mark_buffer_dirty+0x290/0x500
[ 68.742893][ T5826] gfs2_unpin+0x129/0xa60
[ 68.747242][ T5826] buf_lo_after_commit+0x14f/0x1a0
[ 68.752388][ T5826] ? __pfx_buf_lo_after_commit+0x10/0x10
[ 68.758023][ T5826] gfs2_log_flush+0x118d/0x2610
[ 68.762889][ T5826] ? __pfx_gfs2_log_flush+0x10/0x10
[ 68.768088][ T5826] ? do_sync+0x9c2/0xc60
[ 68.772334][ T5826] ? do_sync+0x9c2/0xc60
[ 68.776679][ T5826] do_sync+0xa0b/0xc60
[ 68.780761][ T5826] ? __pfx_do_sync+0x10/0x10
[ 68.785359][ T5826] ? do_raw_spin_unlock+0x13c/0x8b0
[ 68.790568][ T5826] gfs2_quota_sync+0x3bc/0x4a0
[ 68.795356][ T5826] gfs2_sync_fs+0x4d/0xc0
[ 68.799709][ T5826] sync_filesystem+0xed/0x230
[ 68.804390][ T5826] generic_shutdown_super+0x72/0x2d0
[ 68.809677][ T5826] kill_block_super+0x44/0x90
[ 68.814350][ T5826] deactivate_locked_super+0xc4/0x130
[ 68.819727][ T5826] cleanup_mnt+0x41f/0x4b0
[ 68.824142][ T5826] ? lockdep_hardirqs_on+0x99/0x150
[ 68.829864][ T5826] task_work_run+0x24f/0x310
[ 68.834461][ T5826] ? __pfx_task_work_run+0x10/0x10
[ 68.839749][ T5826] ? path_umount+0x284/0xf70
[ 68.844393][ T5826] ptrace_notify+0x2d2/0x380
[ 68.848986][ T5826] ? __pfx_ptrace_notify+0x10/0x10
[ 68.854099][ T5826] ? kmem_cache_free+0x195/0x410
[ 68.859047][ T5826] ? __x64_sys_umount+0x123/0x170
[ 68.864073][ T5826] syscall_exit_work+0xe3/0x220
[ 68.868928][ T5826] syscall_exit_to_user_mode+0x24a/0x340
[ 68.874646][ T5826] do_syscall_64+0x100/0x230
[ 68.879254][ T5826] ? clear_bhb_loop+0x35/0x90
[ 68.883932][ T5826] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 68.889824][ T5826] RIP: 0033:0x7fd3803e8347
[ 68.894252][ T5826] Code: 08 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
[ 68.913855][ T5826] RSP: 002b:00007fffd74c9608 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 68.922296][ T5826] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd3803e8347
[ 68.930392][ T5826] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffd74c96c0
[ 68.938453][ T5826] RBP: 00007fffd74c96c0 R08: 0000000000000000 R09: 0000000000000000
[ 68.946521][ T5826] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fffd74ca720
[ 68.954526][ T5826] R13: 000055558cb426c0 R14: 0000000000000001 R15: 431bde82d7b634db
[ 68.962651][ T5826]
[ 68.965681][ T5826] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 68.973340][ T5826] CPU: 1 UID: 0 PID: 5826 Comm: syz-executor353 Not tainted 6.12.0-rc6-next-20241108-syzkaller #0
[ 68.984388][ T5826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
[ 68.995868][ T5826] Call Trace:
[ 68.999167][ T5826]
[ 69.002124][ T5826] dump_stack_lvl+0x241/0x360
[ 69.007384][ T5826] ? __pfx_dump_stack_lvl+0x10/0x10
[ 69.012611][ T5826] ? __pfx__printk+0x10/0x10
[ 69.017266][ T5826] ? _printk+0xd5/0x120
[ 69.021439][ T5826] ? __init_begin+0x41000/0x41000
[ 69.026464][ T5826] ? vscnprintf+0x5d/0x90
[ 69.030823][ T5826] panic+0x349/0x880
[ 69.034724][ T5826] ? __warn+0x177/0x4e0
[ 69.038896][ T5826] ? __pfx_panic+0x10/0x10
[ 69.043307][ T5826] ? show_trace_log_lvl+0x3b2/0x410
[ 69.048518][ T5826] __warn+0x34b/0x4e0
[ 69.052494][ T5826] ? __folio_mark_dirty+0x907/0xed0
[ 69.057717][ T5826] report_bug+0x2b3/0x500
[ 69.062159][ T5826] ? __folio_mark_dirty+0x907/0xed0
[ 69.067395][ T5826] handle_bug+0x60/0x90
[ 69.071738][ T5826] exc_invalid_op+0x1a/0x50
[ 69.076274][ T5826] asm_exc_invalid_op+0x1a/0x20
[ 69.081129][ T5826] RIP: 0010:__folio_mark_dirty+0x907/0xed0
[ 69.087023][ T5826] Code: f9 ff ff e8 3b 7d c4 ff 4c 89 f7 48 8b 34 24 e8 7f 29 38 00 eb 87 e8 28 7d c4 ff 90 0f 0b 90 e9 45 ff ff ff e8 1a 7d c4 ff 90 <0f> 0b 90 e9 40 fb ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 07 f9
[ 69.106711][ T5826] RSP: 0018:ffffc90003ccf690 EFLAGS: 00010093
[ 69.112864][ T5826] RAX: ffffffff81dafef6 RBX: 0000000000000000 RCX: ffff8880349d0000
[ 69.120851][ T5826] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 69.129049][ T5826] RBP: ffff888148d34cf8 R08: ffffffff81dafa32 R09: 1ffff110291a699f
[ 69.137021][ T5826] R10: dffffc0000000000 R11: ffffed10291a69a0 R12: 0000000000000001
[ 69.144991][ T5826] R13: ffff888148d34b88 R14: ffffea0001dbdf80 R15: 1ffff110291a699f
[ 69.153051][ T5826] ? __folio_mark_dirty+0x442/0xed0
[ 69.158254][ T5826] ? __folio_mark_dirty+0x906/0xed0
[ 69.163460][ T5826] mark_buffer_dirty+0x290/0x500
[ 69.168397][ T5826] gfs2_unpin+0x129/0xa60
[ 69.172731][ T5826] buf_lo_after_commit+0x14f/0x1a0
[ 69.177842][ T5826] ? __pfx_buf_lo_after_commit+0x10/0x10
[ 69.183479][ T5826] gfs2_log_flush+0x118d/0x2610
[ 69.188348][ T5826] ? __pfx_gfs2_log_flush+0x10/0x10
[ 69.193641][ T5826] ? do_sync+0x9c2/0xc60
[ 69.198079][ T5826] ? do_sync+0x9c2/0xc60
[ 69.202440][ T5826] do_sync+0xa0b/0xc60
[ 69.206613][ T5826] ? __pfx_do_sync+0x10/0x10
[ 69.211223][ T5826] ? do_raw_spin_unlock+0x13c/0x8b0
[ 69.216518][ T5826] gfs2_quota_sync+0x3bc/0x4a0
[ 69.221293][ T5826] gfs2_sync_fs+0x4d/0xc0
[ 69.225646][ T5826] sync_filesystem+0xed/0x230
[ 69.230330][ T5826] generic_shutdown_super+0x72/0x2d0
[ 69.235634][ T5826] kill_block_super+0x44/0x90
[ 69.240314][ T5826] deactivate_locked_super+0xc4/0x130
[ 69.245690][ T5826] cleanup_mnt+0x41f/0x4b0
[ 69.250105][ T5826] ? lockdep_hardirqs_on+0x99/0x150
[ 69.255301][ T5826] task_work_run+0x24f/0x310
[ 69.259891][ T5826] ? __pfx_task_work_run+0x10/0x10
[ 69.265004][ T5826] ? path_umount+0x284/0xf70
[ 69.269603][ T5826] ptrace_notify+0x2d2/0x380
[ 69.274196][ T5826] ? __pfx_ptrace_notify+0x10/0x10
[ 69.279316][ T5826] ? kmem_cache_free+0x195/0x410
[ 69.284354][ T5826] ? __x64_sys_umount+0x123/0x170
[ 69.289467][ T5826] syscall_exit_work+0xe3/0x220
[ 69.294321][ T5826] syscall_exit_to_user_mode+0x24a/0x340
[ 69.299958][ T5826] do_syscall_64+0x100/0x230
[ 69.304633][ T5826] ? clear_bhb_loop+0x35/0x90
[ 69.309446][ T5826] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 69.315397][ T5826] RIP: 0033:0x7fd3803e8347
[ 69.319810][ T5826] Code: 08 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
[ 69.339412][ T5826] RSP: 002b:00007fffd74c9608 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[ 69.347827][ T5826] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fd3803e8347
[ 69.355795][ T5826] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffd74c96c0
[ 69.363762][ T5826] RBP: 00007fffd74c96c0 R08: 0000000000000000 R09: 0000000000000000
[ 69.371729][ T5826] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fffd74ca720
[ 69.379712][ T5826] R13: 000055558cb426c0 R14: 0000000000000001 R15: 431bde82d7b634db
[ 69.387699][ T5826]
[ 69.391027][ T5826] Kernel Offset: disabled
[ 69.395540][ T5826] Rebooting in 86400 seconds..