./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3064347
<...>
Warning: Permanently added '10.128.1.63' (ED25519) to the list of known hosts.
execve("./syz-executor3064347", ["./syz-executor3064347"], 0x7fff63fc7630 /* 10 vars */) = 0
brk(NULL) = 0x555557033000
brk(0x555557033d40) = 0x555557033d40
arch_prctl(ARCH_SET_FS, 0x5555570333c0) = 0
set_tid_address(0x555557033690) = 5827
set_robust_list(0x5555570336a0, 24) = 0
rseq(0x555557033ce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3064347", 4096) = 25
getrandom("\xa6\x27\x2d\xf7\x12\x2e\xf3\x0d", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555557033d40
brk(0x555557054d40) = 0x555557054d40
brk(0x555557055000) = 0x555557055000
mprotect(0x7f02ec761000, 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
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=0x555557033690) = 5828
[pid 5828] set_robust_list(0x5555570336a0, 24) = 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] write(1, "executing program\n", 18executing program
) = 18
[pid 5828] futex(0x7f02ec7675ec, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5828] rt_sigaction(SIGRT_1, {sa_handler=0x7f02ec7052f0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f02ec6f69a0}, NULL, 8) = 0
[pid 5828] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid 5828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02ec676000
[pid 5828] mprotect(0x7f02ec677000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5828] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid 5828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02ec696990, parent_tid=0x7f02ec696990, exit_signal=0, stack=0x7f02ec676000, stack_size=0x20300, tls=0x7f02ec6966c0}./strace-static-x86_64: Process 5830 attached
<unfinished ...>
[pid 5830] rseq(0x7f02ec696fe0, 0x20, 0, 0x53053053) = 0
[pid 5830] set_robust_list(0x7f02ec6969a0, 24 <unfinished ...>
[pid 5828] <... clone3 resumed> => {parent_tid=[5830]}, 88) = 5830
[pid 5830] <... set_robust_list resumed>) = 0
[pid 5828] rt_sigprocmask(SIG_SETMASK, [], <unfinished ...>
[pid 5830] rt_sigprocmask(SIG_SETMASK, [], <unfinished ...>
[pid 5828] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid 5830] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid 5828] futex(0x7f02ec7675e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5830] memfd_create("syzkaller", 0 <unfinished ...>
[pid 5828] <... futex resumed>) = 0
[pid 5830] <... memfd_create resumed>) = 3
[pid 5828] futex(0x7f02ec7675ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid 5830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f02e4200000
[pid 5830] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072
[pid 5830] munmap(0x7f02e4200000, 138412032) = 0
[pid 5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5830] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5830] close(3) = 0
[pid 5830] close(4) = 0
[pid 5830] mkdir("./file2", 0777) = 0
[pid 5830] mount("/dev/loop0", "./file2", "exfat", MS_SYNCHRONOUS|MS_NODIRATIME, "") = 0
[pid 5830] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3
[pid 5830] chdir("./file2") = 0
[pid 5830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5830] futex(0x7f02ec7675ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 5828] <... futex resumed>) = 0
[pid 5830] futex(0x7f02ec7675e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5828] futex(0x7f02ec7675e8, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5828] futex(0x7f02ec7675ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid 5830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable)
[pid 5830] truncate("./file2", 25600) = 0
[pid 5830] futex(0x7f02ec7675ec, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid 5828] <... futex resumed>) = 0
[pid 5830] futex(0x7f02ec7675e8, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid 5828] futex(0x7f02ec7675e8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5830] <... futex resumed>) = 0
[pid 5828] <... futex resumed>) = 1
[pid 5830] creat("./file2", 040 <unfinished ...>
[ 82.427798][ T5830] loop0: detected capacity change from 0 to 256
[ 82.450734][ T5830] exFAT-fs (loop0): failed to load upcase table (idx : 0x0000fd4f, chksum : 0x3963664b, utbl_chksum : 0xe619d30d)
[pid 5828] futex(0x7f02ec7675ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid 5828] futex(0x7f02ec7675fc, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid 5828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f02ec655000
[pid 5828] mprotect(0x7f02ec656000, 131072, PROT_READ|PROT_WRITE) = 0
[pid 5828] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid 5828] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f02ec675990, parent_tid=0x7f02ec675990, exit_signal=0, stack=0x7f02ec655000, stack_size=0x20300, tls=0x7f02ec6756c0}./strace-static-x86_64: Process 5831 attached
<unfinished ...>
[pid 5831] rseq(0x7f02ec675fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid 5828] <... clone3 resumed> => {parent_tid=[5831]}, 88) = 5831
[pid 5831] <... rseq resumed>) = 0
[pid 5828] rt_sigprocmask(SIG_SETMASK, [], <unfinished ...>
[pid 5831] set_robust_list(0x7f02ec6759a0, 24 <unfinished ...>
[pid 5828] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid 5831] <... set_robust_list resumed>) = 0
[pid 5831] rt_sigprocmask(SIG_SETMASK, [], <unfinished ...>
[pid 5828] futex(0x7f02ec7675f8, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid 5831] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid 5828] <... futex resumed>) = 0
[pid 5831] lchown("./file0", 60928, -1 <unfinished ...>
[pid 5828] futex(0x7f02ec7675fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid 5828] exit_group(0) = ?
[pid 5827] kill(-5828, SIGKILL) = 0
[pid 5827] kill(5828, SIGKILL) = 0
[pid 5827] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid 5827] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid 5827] getdents64(3, 0x555557034730 /* 2 entries */, 32768) = 48
[pid 5827] getdents64(3, 0x555557034730 /* 0 entries */, 32768) = 0
[pid 5827] close(3) = 0
[ 92.375734][ T9] cfg80211: failed to load regulatory.db
[ 286.926674][ T30] INFO: task syz-executor306:5831 blocked for more than 143 seconds.
[ 286.935047][ T30] Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
[ 286.943649][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.953126][ T30] task:syz-executor306 state:D stack:25784 pid:5831 tgid:5828 ppid:5827 flags:0x00004006
[ 286.964039][ T30] Call Trace:
[ 286.967676][ T30] <TASK>
[ 286.970650][ T30] __schedule+0x17fb/0x4be0
[ 286.975262][ T30] ? __pfx___schedule+0x10/0x10
[ 286.980730][ T30] ? __pfx_lock_release+0x10/0x10
[ 286.985812][ T30] ? _raw_spin_unlock_irqrestore+0x8f/0x140
[ 286.992302][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 286.998548][ T30] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 287.004939][ T30] ? schedule+0x90/0x320
[ 287.009704][ T30] schedule+0x14b/0x320
[ 287.013924][ T30] schedule_preempt_disabled+0x13/0x30
[ 287.019837][ T30] __mutex_lock+0x7e7/0xee0
[ 287.024410][ T30] ? __mutex_lock+0x5ef/0xee0
[ 287.029619][ T30] ? exfat_lookup+0x143/0x1e70
[ 287.034462][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 287.039947][ T30] ? __pfx_validate_chain+0x10/0x10
[ 287.045223][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 287.051790][ T30] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 287.059080][ T30] exfat_lookup+0x143/0x1e70
[ 287.063772][ T30] ? __lock_acquire+0x1397/0x2100
[ 287.069379][ T30] ? __pfx_exfat_lookup+0x10/0x10
[ 287.074663][ T30] ? mark_lock+0x9a/0x360
[ 287.079533][ T30] ? d_alloc_parallel+0x311/0x1600
[ 287.084702][ T30] ? __pfx_lock_release+0x10/0x10
[ 287.090280][ T30] ? __d_lookup_rcu+0x430/0x490
[ 287.095197][ T30] ? d_alloc_parallel+0x14a8/0x1600
[ 287.100807][ T30] ? d_alloc_parallel+0x311/0x1600
[ 287.106012][ T30] ? __init_waitqueue_head+0xae/0x150
[ 287.112086][ T30] __lookup_slow+0x28c/0x3f0
[ 287.117046][ T30] ? __pfx___lookup_slow+0x10/0x10
[ 287.122300][ T30] ? __d_lookup+0x64/0x7b0
[ 287.127441][ T30] ? make_vfsuid+0x52/0xa0
[ 287.131933][ T30] ? link_path_walk+0xc60/0xea0
[ 287.137429][ T30] lookup_slow+0x53/0x70
[ 287.141729][ T30] walk_component+0x2e1/0x410
[ 287.146916][ T30] path_lookupat+0x16f/0x450
[ 287.151565][ T30] filename_lookup+0x2a3/0x670
[ 287.156811][ T30] ? __virt_addr_valid+0x183/0x530
[ 287.161986][ T30] ? __pfx_filename_lookup+0x10/0x10
[ 287.168359][ T30] ? strncpy_from_user+0x152/0x270
[ 287.173556][ T30] ? getname_flags+0x1e3/0x540
[ 287.178848][ T30] user_path_at+0x3a/0x60
[ 287.183240][ T30] do_fchownat+0xed/0x240
[ 287.188151][ T30] ? __pfx_do_fchownat+0x10/0x10
[ 287.193154][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 287.199872][ T30] ? do_syscall_64+0x100/0x230
[ 287.204819][ T30] __x64_sys_lchown+0x85/0xa0
[ 287.210277][ T30] do_syscall_64+0xf3/0x230
[ 287.214856][ T30] ? clear_bhb_loop+0x35/0x90
[ 287.220067][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.226160][ T30] RIP: 0033:0x7f02ec6df409
[ 287.231231][ T30] RSP: 002b:00007f02ec675218 EFLAGS: 00000246 ORIG_RAX: 000000000000005e
[ 287.240030][ T30] RAX: ffffffffffffffda RBX: 00007f02ec7675f8 RCX: 00007f02ec6df409
[ 287.248378][ T30] RDX: 00000000ffffffff RSI: 000000000000ee00 RDI: 0000000020000140
[ 287.256792][ T30] RBP: 00007f02ec7675f0 R08: 00007ffd57b68e47 R09: 0000000000000000
[ 287.264822][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 0032656c69662f2e
[ 287.273373][ T30] R13: 00007f02ec7330c0 R14: 00000000200002c0 R15: 0030656c69662f2e
[ 287.282703][ T30] </TASK>
[ 287.285943][ T30]
[ 287.285943][ T30] Showing all locks held in the system:
[ 287.294507][ T30] 1 lock held by khungtaskd/30:
[ 287.299730][ T30] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0
[ 287.310023][ T30] 2 locks held by getty/5584:
[ 287.314746][ T30] #0: ffff8880322ee0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 287.325151][ T30] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00
[ 287.335794][ T30] 5 locks held by syz-executor306/5830:
[ 287.341686][ T30] 2 locks held by syz-executor306/5831:
[ 287.347537][ T30] #0: ffff8880775582a0 (&sb->s_type->i_mutex_key#14){++++}-{4:4}, at: lookup_slow+0x45/0x70
[ 287.358188][ T30] #1: ffff8880341aa0e8 (&sbi->s_lock){+.+.}-{4:4}, at: exfat_lookup+0x143/0x1e70
[ 287.367819][ T30]
[ 287.370193][ T30] =============================================
[ 287.370193][ T30]
[ 287.379264][ T30] NMI backtrace for cpu 1
[ 287.383724][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
[ 287.394271][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 287.404371][ T30] Call Trace:
[ 287.407685][ T30] <TASK>
[ 287.410650][ T30] dump_stack_lvl+0x241/0x360
[ 287.415412][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 287.420654][ T30] ? __pfx__printk+0x10/0x10
[ 287.425318][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 287.430393][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 287.435901][ T30] ? _printk+0xd5/0x120
[ 287.440118][ T30] ? __pfx__printk+0x10/0x10
[ 287.444760][ T30] ? __wake_up_klogd+0xcc/0x110
[ 287.449658][ T30] ? __pfx__printk+0x10/0x10
[ 287.454289][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 287.459441][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 287.465553][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 287.471578][ T30] watchdog+0xff6/0x1040
[ 287.475887][ T30] ? watchdog+0x1ea/0x1040
[ 287.480374][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.485095][ T30] kthread+0x2f0/0x390
[ 287.489211][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.493929][ T30] ? __pfx_kthread+0x10/0x10
[ 287.498568][ T30] ret_from_fork+0x4b/0x80
[ 287.503022][ T30] ? __pfx_kthread+0x10/0x10
[ 287.507688][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.512512][ T30] </TASK>
[ 287.515733][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 287.521062][ C0] NMI backtrace for cpu 0
[ 287.521075][ C0] CPU: 0 UID: 0 PID: 5830 Comm: syz-executor306 Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
[ 287.521097][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 287.521107][ C0] RIP: 0010:__exfat_free_cluster+0x685/0x990
[ 287.521132][ C0] Code: ff 44 89 e9 41 d3 ee 8b 5c 24 0c 89 df 44 89 f6 e8 70 4a 26 ff 44 39 f3 0f 85 b1 00 00 00 e8 a2 48 26 ff 31 db 44 89 74 24 0c <49> bd 00 00 00 00 00 fc ff df eb 2d e8 8a 48 26 ff 48 8b 5c 24 48
[ 287.521147][ C0] RSP: 0018:ffffc90003dbf3a0 EFLAGS: 00000246
[ 287.521163][ C0] RAX: ffffffff82792b3e RBX: 0000000000000000 RCX: ffff888035a00000
[ 287.521177][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 287.521188][ C0] RBP: ffffc90003dbf4b8 R08: ffffffff82792b30 R09: ffffffff827920e7
[ 287.521201][ C0] R10: 0000000000000003 R11: ffff888035a00000 R12: 000000000000000d
[ 287.521213][ C0] R13: 0000000000000009 R14: 0000000000000000 R15: ffff8880775e8180
[ 287.521225][ C0] FS: 00007f02ec6966c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 287.521241][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 287.521253][ C0] CR2: 00005646d01f3600 CR3: 0000000035264000 CR4: 00000000003526f0
[ 287.521269][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 287.521280][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 287.521291][ C0] Call Trace:
[ 287.521298][ C0] <NMI>
[ 287.521306][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 287.521329][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 287.521350][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 287.521370][ C0] ? nmi_handle+0x2a/0x5a0
[ 287.521397][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 287.521424][ C0] ? nmi_handle+0x14f/0x5a0
[ 287.521443][ C0] ? nmi_handle+0x2a/0x5a0
[ 287.521463][ C0] ? __exfat_free_cluster+0x685/0x990
[ 287.521481][ C0] ? default_do_nmi+0x63/0x160
[ 287.521501][ C0] ? exc_nmi+0x123/0x1f0
[ 287.521519][ C0] ? end_repeat_nmi+0xf/0x53
[ 287.521537][ C0] ? exfat_ent_get+0x1f7/0x400
[ 287.521553][ C0] ? __exfat_free_cluster+0x670/0x990
[ 287.521570][ C0] ? __exfat_free_cluster+0x67e/0x990
[ 287.521589][ C0] ? __exfat_free_cluster+0x685/0x990
[ 287.521608][ C0] ? __exfat_free_cluster+0x685/0x990
[ 287.521633][ C0] ? __exfat_free_cluster+0x685/0x990
[ 287.521652][ C0] </NMI>
[ 287.521657][ C0] <TASK>
[ 287.521670][ C0] ? __pfx___exfat_free_cluster+0x10/0x10
[ 287.521691][ C0] ? do_raw_spin_unlock+0x13c/0x8b0
[ 287.521718][ C0] exfat_free_cluster+0x77/0xd0
[ 287.521737][ C0] __exfat_truncate+0x745/0xa60
[ 287.521762][ C0] ? __pfx___exfat_truncate+0x10/0x10
[ 287.521781][ C0] ? block_truncate_page+0x15c/0x800
[ 287.521802][ C0] ? truncate_setsize+0xcf/0xf0
[ 287.521823][ C0] exfat_setattr+0x10fa/0x1a90
[ 287.521846][ C0] ? __pfx_smack_inode_setattr+0x10/0x10
[ 287.521885][ C0] ? __pfx_exfat_setattr+0x10/0x10
[ 287.521904][ C0] ? evm_inode_setattr+0x1b2/0x7d0
[ 287.521926][ C0] ? security_inode_setattr+0xdb/0x350
[ 287.521943][ C0] ? __pfx_exfat_setattr+0x10/0x10
[ 287.521964][ C0] notify_change+0xbca/0xe90
[ 287.521993][ C0] do_truncate+0x220/0x310
[ 287.522016][ C0] ? __pfx_do_truncate+0x10/0x10
[ 287.522047][ C0] path_openat+0x2e1e/0x3590
[ 287.522083][ C0] ? __pfx_path_openat+0x10/0x10
[ 287.522113][ C0] do_filp_open+0x27f/0x4e0
[ 287.522135][ C0] ? __pfx_do_filp_open+0x10/0x10
[ 287.522155][ C0] ? do_raw_spin_lock+0x14f/0x370
[ 287.522204][ C0] do_sys_openat2+0x13e/0x1d0
[ 287.522223][ C0] ? __pfx_do_sys_openat2+0x10/0x10
[ 287.522241][ C0] ? _raw_spin_unlock_irq+0x2e/0x50
[ 287.522262][ C0] ? ptrace_notify+0x279/0x380
[ 287.522289][ C0] __x64_sys_creat+0x123/0x170
[ 287.522307][ C0] ? __pfx___x64_sys_creat+0x10/0x10
[ 287.522327][ C0] ? do_syscall_64+0x100/0x230
[ 287.522357][ C0] do_syscall_64+0xf3/0x230
[ 287.522383][ C0] ? clear_bhb_loop+0x35/0x90
[ 287.522400][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.522427][ C0] RIP: 0033:0x7f02ec6df409
[ 287.522443][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 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 b0 ff ff ff f7 d8 64 89 01 48
[ 287.522457][ C0] RSP: 002b:00007f02ec696218 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
[ 287.522475][ C0] RAX: ffffffffffffffda RBX: 00007f02ec7675e8 RCX: 00007f02ec6df409
[ 287.522488][ C0] RDX: 00007f02ec6df409 RSI: 0000000000000020 RDI: 0000000020000200
[ 287.522500][ C0] RBP: 00007f02ec7675e0 R08: 0000000000000000 R09: 0000000000000000
[ 287.522511][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0032656c69662f2e
[ 287.522522][ C0] R13: 00007f02ec7330c0 R14: 00000000200002c0 R15: 0030656c69662f2e
[ 287.522543][ C0] </TASK>
[ 287.522550][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.489 msecs
[ 287.566544][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.566568][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00012-g9b2ffa6148b1 #0
[ 287.566598][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 287.566614][ T30] Call Trace:
[ 287.566625][ T30] <TASK>
[ 287.566637][ T30] dump_stack_lvl+0x241/0x360
[ 287.566678][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 287.566710][ T30] ? __pfx__printk+0x10/0x10
[ 287.566737][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.566772][ T30] ? vscnprintf+0x5d/0x90
[ 287.566803][ T30] panic+0x349/0x880
[ 287.566833][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 287.566864][ T30] ? __pfx_panic+0x10/0x10
[ 287.566897][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 287.566932][ T30] ? __irq_work_queue_local+0x137/0x410
[ 287.566959][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 287.566985][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 287.567013][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 287.567044][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 287.567077][ T30] watchdog+0x1035/0x1040
[ 287.567104][ T30] ? watchdog+0x1ea/0x1040
[ 287.567136][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.567161][ T30] kthread+0x2f0/0x390
[ 287.567189][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.567213][ T30] ? __pfx_kthread+0x10/0x10
[ 287.567241][ T30] ret_from_fork+0x4b/0x80
[ 287.567264][ T30] ? __pfx_kthread+0x10/0x10
[ 287.567291][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.567340][ T30] </TASK>
[ 288.149020][ T30] Kernel Offset: disabled
[ 288.153365][ T30] Rebooting in 86400 seconds..