./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2163491020 <...> Warning: Permanently added '10.128.1.136' (ED25519) to the list of known hosts. execve("./syz-executor2163491020", ["./syz-executor2163491020"], 0x7ffeedef9830 /* 10 vars */) = 0 brk(NULL) = 0x555594944000 brk(0x555594944d00) = 0x555594944d00 arch_prctl(ARCH_SET_FS, 0x555594944380) = 0 set_tid_address(0x555594944650) = 5843 set_robust_list(0x555594944660, 24) = 0 rseq(0x555594944ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2163491020", 4096) = 28 getrandom("\xb6\xe0\xd5\x2f\x2e\xbd\x0f\xdd", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555594944d00 brk(0x555594965d00) = 0x555594965d00 brk(0x555594966000) = 0x555594966000 mprotect(0x7f02a4a01000, 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 5845 attached , child_tidptr=0x555594944650) = 5845 [pid 5845] set_robust_list(0x555594944660, 24) = 0 [pid 5845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5845] setpgid(0, 0) = 0 [pid 5845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5845] write(3, "1000", 4) = 4 [pid 5845] close(3) = 0 executing program [pid 5845] write(1, "executing program\n", 18) = 18 [pid 5845] memfd_create("syzkaller", 0) = 3 [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f029c400000 [pid 5845] 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 5845] munmap(0x7f029c400000, 138412032) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5845] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5845] close(3) = 0 [pid 5845] close(4) = 0 [pid 5845] mkdir("./file2", 0777) = 0 [ 234.770298][ T5845] loop0: detected capacity change from 0 to 32768 [ 234.804875][ T5845] bcachefs (/dev/loop0): error reading default superblock: checksum error, type none: got should be [ 234.846145][ T5845] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,version_upgrade=none [ 234.861057][ T5845] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 234.869238][ T5845] bcachefs (loop0): insufficient writeable journal devices available: have 0, need 1 [ 234.869238][ T5845] rw journal devs: [ 234.893179][ T5845] bcachefs (loop0): accounting_read... done [ 234.900187][ T5845] bcachefs (loop0): alloc_read... done [ 234.905722][ T5845] bcachefs (loop0): stripes_read... done [ 234.911565][ T5845] bcachefs (loop0): snapshots_read... done [ 234.919358][ T5845] bcachefs (loop0): journal_replay... done [ 234.925302][ T5845] bcachefs (loop0): resume_logged_ops... done [ 234.931479][ T5845] bcachefs (loop0): delete_dead_inodes... done [ 234.938100][ T5845] bcachefs (loop0): going read-write [pid 5845] mount("/dev/loop0", "./file2", "bcachefs", MS_STRICTATIME, "\x65\x72\x72\x6f\x72\x73\x3d\x63\x6f\x6e\x74\x69\x6e\x75\x65\x2c\x65\x72\x72\x6f\x72\x73\x3d\x66\x69\x78\x5f\x73\x61\x66\x65\x2c\x6a\x6f\x75\x72\x6e\x61\x6c\x5f\x74\x72\x61\x6e\x73\x61\x63\x74\x69\x6f\x6e\x5f\x6e\x61\x6d\x65\x73\x2c\x76\x65\x72\x73\x69\x6f\x6e\x5f\x75\x70\x67\x72\x61\x64\x65\x3d\x6e\x6f\x6e\x65\x2c\x73\x6d\x61\x63\x6b\x6a\x5f\x74\x79\x70\x65\x3d\x28\xaa\x29") = 0 [pid 5845] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3 [pid 5845] chdir("./file2") = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5845] ioctl(4, LOOP_CLR_FD) = 0 [pid 5845] close(4) = 0 [ 234.948782][ T5854] bcachefs (loop0 inum 4099 offset 0): __bch2_write(): move error: insufficient_devices [ 234.949812][ T5845] bcachefs (loop0): done starting filesystem [ 234.961530][ T5854] bcachefs (loop0 inum 536870913 offset 0): __bch2_write(): move error: insufficient_devices [pid 5845] openat(AT_FDCWD, "./file2", O_ACCMODE|O_CREAT|O_TRUNC|O_SYNC|O_NOATIME|FASYNC, 0220 [pid 5843] kill(-5845, SIGKILL) = 0 [pid 5843] kill(5845, SIGKILL) = 0 [pid 5843] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x5555949456f0 /* 2 entries */, 32768) = 48 [pid 5843] getdents64(3, 0x5555949456f0 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [ 265.580935][ T5845] Allocator stuck? Waited for 30 seconds [ 265.580955][ T5845] Allocator debug: [ 265.580961][ T5845] capacity1536 [ 265.580966][ T5845] reserved 31232 [ 265.580972][ T5845] hidden 0 [ 265.580977][ T5845] btree 0 [ 265.580982][ T5845] data 0 [ 265.580988][ T5845] cached 0 [ 265.580993][ T5845] reserved 0 [ 265.580999][ T5845] online_reserved 768 [ 265.581004][ T5845] nr_inodes 0 [ 265.581010][ T5845] [ 265.581015][ T5845] freelist_wait waiting [ 265.581020][ T5845] open buckets allocated1 [ 265.581026][ T5845] open buckets total 1024 [ 265.581031][ T5845] open_buckets_wait empty [ 265.581037][ T5845] open_buckets_btree 0 [ 265.581042][ T5845] open_buckets_user 0 [ 265.581048][ T5845] btree reserve cache 0 [ 265.581053][ T5845] [ 265.581058][ T5845] Dev 0: [ 265.581063][ T5845] buckets sectors fragmented [ 265.581069][ T5845] free 0 0 0 [ 265.581075][ T5845] sb 0 0 0 [ 265.581082][ T5845] journal 0 0 0 [ 265.581088][ T5845] btree 0 0 0 [ 265.581094][ T5845] user 0 0 0 [ 265.581100][ T5845] cached 0 0 0 [ 265.581106][ T5845] parity 0 0 0 [ 265.581112][ T5845] stripe 0 0 0 [ 265.581119][ T5845] need_gc_gens 0 0 0 [ 265.581125][ T5845] need_discard 0 0 0 [ 265.581131][ T5845] unstriped 0 0 0 [ 265.581137][ T5845] capacity 128 [ 265.581142][ T5845] [ 265.581147][ T5845] reserves: [ 265.581152][ T5845] stripe 60 [ 265.581158][ T5845] normal 58 [ 265.581163][ T5845] copygc 56 [ 265.581169][ T5845] btree 28 [ 265.581174][ T5845] btree_copygc 0 [ 265.581180][ T5845] reclaim 0 [ 265.581185][ T5845] interior_updates 0 [ 265.581190][ T5845] [ 265.581195][ T5845] open buckets 0 [ 265.581201][ T5845] buckets to invalidate 0 [ 265.581206][ T5845] [ 265.581211][ T5845] Copygc debug: [ 265.581216][ T5845] running: 0 [ 265.581222][ T5845] copygc_wait:0 [ 265.581227][ T5845] copygc_wait_at:0 [ 265.581232][ T5845] Currently waiting for:0 B [ 265.581238][ T5845] Currently waiting since:640 KiB [ 265.581243][ T5845] Currently calculated wait:0 B [ 265.581249][ T5845] [ 265.581254][ T5845] Journal debug: [ 265.581259][ T5845] flags: replay_done,running,need_flush_write [ 265.581265][ T5845] dirty journal entries: 0/32768 [ 265.581271][ T5845] seq: 10 [ 265.581276][ T5845] seq_ondisk: 10 [ 265.581282][ T5845] last_seq: 11 [ 265.581287][ T5845] last_seq_ondisk: 11 [ 265.581293][ T5845] flushed_seq_ondisk: 10 [ 265.581298][ T5845] watermark: stripe [ 265.581303][ T5845] each entry reserved: 321 [ 265.581309][ T5845] nr flush writes: 0 [ 265.581314][ T5845] nr noflush writes: 0 [ 265.581320][ T5845] average write size: 0 B [ 265.581325][ T5845] nr direct reclaim: 0 [ 265.581331][ T5845] nr background reclaim: 0 [ 265.581336][ T5845] reclaim kicked: 0 [ 265.581342][ T5845] reclaim runs in: 0 ms [ 265.581347][ T5845] blocked: 0 [ 265.581353][ T5845] current entry sectors: 0 [ 265.581358][ T5845] current entry error: insufficient_devices [ 265.581371][ T5845] current entry: closed [ 265.581377][ T5845] unwritten entries: [ 265.581382][ T5845] last buf closed [ 265.581387][ T5845] space: [ 265.581392][ T5845] discarded 0:0 [ 265.581398][ T5845] clean ondisk 0:0 [ 265.581403][ T5845] clean 0:0 [ 265.581409][ T5845] total 0:0 [ 265.581414][ T5845] [ 430.050155][ T30] INFO: task syz-executor216:5845 blocked for more than 143 seconds. [ 430.058354][ T30] Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 [ 430.066353][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 430.075076][ T30] task:syz-executor216 state:D stack:18040 pid:5845 tgid:5845 ppid:5843 flags:0x00004006 [ 430.085424][ T30] Call Trace: [ 430.088720][ T30] [ 430.091698][ T30] __schedule+0x17fb/0x4be0 [ 430.096227][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 430.102260][ T30] ? __pfx___schedule+0x10/0x10 [ 430.107129][ T30] ? __pfx_lock_release+0x10/0x10 [ 430.112195][ T30] ? bch2_print_allocator_stuck+0x165/0xcb0 [ 430.118108][ T30] ? bch2_print_allocator_stuck+0xc24/0xcb0 [ 430.124067][ T30] ? schedule+0x90/0x320 [ 430.128321][ T30] schedule+0x14b/0x320 [ 430.132566][ T30] __closure_sync+0x259/0x2f0 [ 430.137253][ T30] ? __closure_sync+0x149/0x2f0 [ 430.142377][ T30] ? __pfx___closure_sync+0x10/0x10 [ 430.147592][ T30] ? __bch2_wait_on_allocator+0x1d6/0x250 [ 430.153363][ T30] bch2_btree_update_start+0x11a2/0x14e0 [ 430.159015][ T30] ? bch2_btree_split_leaf+0x123/0x840 [ 430.164515][ T30] ? __pfx_bch2_btree_update_start+0x10/0x10 [ 430.170533][ T30] ? bch2_logged_op_start+0x181/0x310 [ 430.175935][ T30] ? __pfx_closure_sync_fn+0x10/0x10 [ 430.181282][ T30] ? __do_six_trylock+0x832/0x9f0 [ 430.186339][ T30] bch2_btree_split_leaf+0x123/0x840 [ 430.191724][ T30] ? __pfx___do_six_trylock+0x10/0x10 [ 430.197201][ T30] bch2_trans_commit_error+0x212/0x1380 [ 430.202841][ T30] ? bch2_logged_op_start+0x1c8/0x310 [ 430.208236][ T30] ? bch2_trans_lock_write+0x585/0xc60 [ 430.213753][ T30] ? six_unlock_ip+0x2ce/0x3e0 [ 430.218544][ T30] ? bch2_trans_unlock_write+0x892/0xce0 [ 430.224238][ T30] ? __pfx_bch2_trans_commit_error+0x10/0x10 [ 430.230259][ T30] ? bch2_trans_unlock_write+0xc2d/0xce0 [ 430.235883][ T30] ? bch2_btree_path_verify_locks+0x633/0x720 [ 430.242091][ T30] ? bch2_trans_verify_locks+0x339/0x3c0 [ 430.247741][ T30] __bch2_trans_commit+0x7ead/0x93c0 [ 430.253095][ T30] ? bch2_path_put+0x1a4/0x2150 [ 430.257970][ T30] ? __pfx___bch2_trans_commit+0x10/0x10 [ 430.263654][ T30] ? __asan_memset+0x23/0x50 [ 430.268262][ T30] bch2_logged_op_start+0x1c8/0x310 [ 430.273686][ T30] ? __pfx_bch2_logged_op_start+0x10/0x10 [ 430.279447][ T30] ? lockdep_init_map_type+0xa1/0x910 [ 430.284888][ T30] ? bch2_bkey_get_empty_slot+0x13a/0x500 [ 430.291017][ T30] ? unmap_mapping_range+0xf8/0x290 [ 430.296218][ T30] bch2_truncate+0x19e/0x2d0 [ 430.300874][ T30] ? __pfx_bch2_truncate+0x10/0x10 [ 430.305996][ T30] ? unmap_mapping_range+0xf8/0x290 [ 430.311245][ T30] ? truncate_setsize+0xcf/0xf0 [ 430.316104][ T30] bchfs_truncate+0x85f/0xc90 [ 430.320845][ T30] ? __pfx_bchfs_truncate+0x10/0x10 [ 430.326062][ T30] ? setattr_prepare+0x1f5/0xb20 [ 430.331075][ T30] ? bch2_setattr+0x1a4/0x220 [ 430.335774][ T30] ? __pfx_bch2_setattr+0x10/0x10 [ 430.340865][ T30] notify_change+0xbca/0xe90 [ 430.345473][ T30] do_truncate+0x220/0x310 [ 430.349936][ T30] ? __pfx_do_truncate+0x10/0x10 [ 430.354917][ T30] path_openat+0x2e1e/0x3590 [ 430.359537][ T30] ? __pfx_path_openat+0x10/0x10 [ 430.364554][ T30] do_filp_open+0x27f/0x4e0 [ 430.369070][ T30] ? __pfx_do_filp_open+0x10/0x10 [ 430.374133][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 430.379192][ T30] do_sys_openat2+0x13e/0x1d0 [ 430.383911][ T30] ? __pfx_do_sys_openat2+0x10/0x10 [ 430.389123][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 430.394374][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 430.399585][ T30] ? ptrace_notify+0x279/0x380 [ 430.404397][ T30] __x64_sys_openat+0x247/0x2a0 [ 430.409264][ T30] ? __pfx___x64_sys_openat+0x10/0x10 [ 430.414680][ T30] ? do_syscall_64+0x100/0x230 [ 430.419466][ T30] do_syscall_64+0xf3/0x230 [ 430.424030][ T30] ? clear_bhb_loop+0x35/0x90 [ 430.428718][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.434669][ T30] RIP: 0033:0x7f02a4987d59 [ 430.439100][ T30] RSP: 002b:00007ffd8a5d36d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 430.447560][ T30] RAX: ffffffffffffffda RBX: 0032656c69662f2e RCX: 00007f02a4987d59 [ 430.455577][ T30] RDX: 0000000000143243 RSI: 0000000020000040 RDI: 00000000ffffff9c [ 430.463604][ T30] RBP: 00007f02a4a015f0 R08: 0000000000005901 R09: 00005555949454c0 [ 430.471636][ T30] R10: 0000000000000090 R11: 0000000000000246 R12: 00007ffd8a5d3700 [ 430.479629][ T30] R13: 00007ffd8a5d3928 R14: 431bde82d7b634db R15: 00007f02a49d103b [ 430.487727][ T30] [ 430.490814][ T30] [ 430.490814][ T30] Showing all locks held in the system: [ 430.498529][ T30] 1 lock held by khungtaskd/30: [ 430.503415][ T30] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 430.513376][ T30] 2 locks held by getty/5574: [ 430.518047][ T30] #0: ffff8880320eb0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 430.527847][ T30] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 430.538018][ T30] 5 locks held by syz-executor216/5845: [ 430.543598][ T30] #0: ffff88807eabe420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 430.552828][ T30] #1: ffff88807ce68148 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: do_truncate+0x20c/0x310 [ 430.563234][ T30] #2: ffff888079180a38 (&c->snapshot_create_lock){.+.+}-{4:4}, at: bch2_truncate+0x166/0x2d0 [ 430.573591][ T30] #3: ffff888079184398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x7e1/0xd30 [ 430.584098][ T30] #4: ffff8880791a66d0 (&c->gc_lock){.+.+}-{4:4}, at: bch2_btree_update_start+0x682/0x14e0 [ 430.594268][ T30] [ 430.596585][ T30] ============================================= [ 430.596585][ T30] [ 430.605079][ T30] NMI backtrace for cpu 0 [ 430.609430][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 [ 430.619949][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 430.630006][ T30] Call Trace: [ 430.633295][ T30] [ 430.636218][ T30] dump_stack_lvl+0x241/0x360 [ 430.640900][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 430.646100][ T30] ? __pfx__printk+0x10/0x10 [ 430.650691][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 430.655717][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 430.661176][ T30] ? _printk+0xd5/0x120 [ 430.665328][ T30] ? __pfx__printk+0x10/0x10 [ 430.669915][ T30] ? __wake_up_klogd+0xcc/0x110 [ 430.674766][ T30] ? __pfx__printk+0x10/0x10 [ 430.679351][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 430.685327][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 430.691305][ T30] watchdog+0xff6/0x1040 [ 430.695542][ T30] ? watchdog+0x1ea/0x1040 [ 430.699957][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.704626][ T30] kthread+0x2f0/0x390 [ 430.708691][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.713359][ T30] ? __pfx_kthread+0x10/0x10 [ 430.717942][ T30] ret_from_fork+0x4b/0x80 [ 430.722352][ T30] ? __pfx_kthread+0x10/0x10 [ 430.726935][ T30] ret_from_fork_asm+0x1a/0x30 [ 430.731702][ T30] [ 430.734827][ T30] Sending NMI from CPU 0 to CPUs 1: [ 430.740103][ C1] NMI backtrace for cpu 1 [ 430.740116][ C1] CPU: 1 UID: 0 PID: 11 Comm: kworker/u8:0 Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 [ 430.740135][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 430.740145][ C1] Workqueue: events_unbound toggle_allocation_gate [ 430.740170][ C1] RIP: 0010:kasan_check_range+0xc/0x290 [ 430.740192][ C1] Code: e3 ff 90 0f 0b 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 41 57 41 56 41 54 53 01 48 85 f6 0f 84 a0 01 00 00 4c 8d 04 37 49 39 f8 0f 82 56 02 [ 430.740204][ C1] RSP: 0018:ffffc90000107608 EFLAGS: 00000046 [ 430.740217][ C1] RAX: 0000000000000000 RBX: 0000000000000006 RCX: ffffffff817b26fa [ 430.740228][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff94271880 [ 430.740238][ C1] RBP: 0000000000000006 R08: ffffffff94271887 R09: 1ffffffff284e310 [ 430.740248][ C1] R10: dffffc0000000000 R11: fffffbfff284e311 R12: ffff88801d2cc7a0 [ 430.740260][ C1] R13: dffffc0000000000 R14: 0000000000000040 R15: ffff88801d2cc780 [ 430.740272][ C1] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 430.740285][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.740296][ C1] CR2: 0000558a3d090d58 CR3: 000000000e736000 CR4: 00000000003526f0 [ 430.740310][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 430.740319][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 430.740329][ C1] Call Trace: [ 430.740335][ C1] [ 430.740341][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 430.740359][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 430.740376][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 430.740397][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 430.740416][ C1] ? nmi_handle+0x14f/0x5a0 [ 430.740433][ C1] ? nmi_handle+0x2a/0x5a0 [ 430.740448][ C1] ? kasan_check_range+0xc/0x290 [ 430.740466][ C1] ? default_do_nmi+0x63/0x160 [ 430.740482][ C1] ? exc_nmi+0x123/0x1f0 [ 430.740496][ C1] ? end_repeat_nmi+0xf/0x53 [ 430.740512][ C1] ? mark_lock+0x9a/0x360 [ 430.740528][ C1] ? kasan_check_range+0xc/0x290 [ 430.740547][ C1] ? kasan_check_range+0xc/0x290 [ 430.740566][ C1] ? kasan_check_range+0xc/0x290 [ 430.740584][ C1] [ 430.740589][ C1] [ 430.740596][ C1] mark_lock+0x9a/0x360 [ 430.740613][ C1] lockdep_hardirqs_on_prepare+0x3a5/0x780 [ 430.740629][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 430.740645][ C1] ? text_poke_memcpy+0x25/0x30 [ 430.740662][ C1] ? __kmalloc_cache_node_noprof+0x8c/0x3a0 [ 430.740677][ C1] ? rcu_is_watching+0x15/0xb0 [ 430.740695][ C1] ? __kmalloc_cache_node_noprof+0x8c/0x3a0 [ 430.740709][ C1] trace_hardirqs_on+0x28/0x40 [ 430.740724][ C1] __text_poke+0x9bf/0xd30 [ 430.740741][ C1] ? __kmalloc_cache_node_noprof+0x8c/0x3a0 [ 430.740757][ C1] ? __pfx_text_poke_memcpy+0x10/0x10 [ 430.740775][ C1] ? __pfx___text_poke+0x10/0x10 [ 430.740790][ C1] ? kmem_cache_alloc_bulk_noprof+0x156/0x7c0 [ 430.740808][ C1] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 430.740826][ C1] ? __pfx_perf_event_text_poke+0x10/0x10 [ 430.740842][ C1] ? __pfx___mutex_trylock_common+0x10/0x10 [ 430.740865][ C1] text_poke_bp_batch+0x8cd/0xb30 [ 430.740886][ C1] ? kmem_cache_alloc_bulk_noprof+0x157/0x7c0 [ 430.740901][ C1] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 430.740921][ C1] ? arch_jump_label_transform_queue+0x9b/0x100 [ 430.740942][ C1] ? process_scheduled_works+0x976/0x1840 [ 430.740962][ C1] text_poke_finish+0x30/0x50 [ 430.740979][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 430.741006][ C1] static_key_disable_cpuslocked+0xd2/0x1c0 [ 430.741026][ C1] static_key_disable+0x1a/0x20 [ 430.741042][ C1] toggle_allocation_gate+0x1bf/0x260 [ 430.741061][ C1] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 430.741080][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 430.741100][ C1] process_scheduled_works+0xa66/0x1840 [ 430.741128][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 430.741150][ C1] ? assign_work+0x364/0x3d0 [ 430.741170][ C1] worker_thread+0x870/0xd30 [ 430.741189][ C1] ? __kthread_parkme+0x169/0x1d0 [ 430.741205][ C1] ? __pfx_worker_thread+0x10/0x10 [ 430.741218][ C1] kthread+0x2f0/0x390 [ 430.741234][ C1] ? __pfx_worker_thread+0x10/0x10 [ 430.741247][ C1] ? __pfx_kthread+0x10/0x10 [ 430.741262][ C1] ret_from_fork+0x4b/0x80 [ 430.741276][ C1] ? __pfx_kthread+0x10/0x10 [ 430.741291][ C1] ret_from_fork_asm+0x1a/0x30 [ 430.741314][ C1] [ 430.741321][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.218 msecs [ 430.742109][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 431.194413][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 [ 431.204904][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 431.214965][ T30] Call Trace: [ 431.218236][ T30] [ 431.221154][ T30] dump_stack_lvl+0x241/0x360 [ 431.225909][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 431.231092][ T30] ? __pfx__printk+0x10/0x10 [ 431.235664][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 431.241648][ T30] ? vscnprintf+0x5d/0x90 [ 431.245973][ T30] panic+0x349/0x880 [ 431.249872][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 431.256009][ T30] ? __pfx_panic+0x10/0x10 [ 431.260411][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 431.265776][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 431.271910][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 431.278048][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 431.284186][ T30] watchdog+0x1035/0x1040 [ 431.288499][ T30] ? watchdog+0x1ea/0x1040 [ 431.292896][ T30] ? __pfx_watchdog+0x10/0x10 [ 431.297557][ T30] kthread+0x2f0/0x390 [ 431.301606][ T30] ? __pfx_watchdog+0x10/0x10 [ 431.306271][ T30] ? __pfx_kthread+0x10/0x10 [ 431.310844][ T30] ret_from_fork+0x4b/0x80 [ 431.315240][ T30] ? __pfx_kthread+0x10/0x10 [ 431.319817][ T30] ret_from_fork_asm+0x1a/0x30 [ 431.324583][ T30] [ 431.327930][ T30] Kernel Offset: disabled [ 431.332343][ T30] Rebooting in 86400 seconds..