./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4057027687 <...> Warning: Permanently added '10.128.0.42' (ED25519) to the list of known hosts. execve("./syz-executor4057027687", ["./syz-executor4057027687"], 0x7ffeed4a7050 /* 10 vars */) = 0 brk(NULL) = 0x55555c951000 brk(0x55555c951d00) = 0x55555c951d00 arch_prctl(ARCH_SET_FS, 0x55555c951380) = 0 set_tid_address(0x55555c951650) = 5818 set_robust_list(0x55555c951660, 24) = 0 rseq(0x55555c951ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4057027687", 4096) = 28 getrandom("\x29\x3a\x95\x6e\x05\x50\xa2\x8d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555c951d00 brk(0x55555c972d00) = 0x55555c972d00 brk(0x55555c973000) = 0x55555c973000 mprotect(0x7fd50393a000, 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 5820 attached , child_tidptr=0x55555c951650) = 5820 [pid 5820] set_robust_list(0x55555c951660, 24) = 0 [pid 5820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5820] setpgid(0, 0) = 0 [pid 5820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5820] write(3, "1000", 4) = 4 [pid 5820] close(3) = 0 executing program [pid 5820] write(1, "executing program\n", 18) = 18 [pid 5820] memfd_create("syzkaller", 0) = 3 [pid 5820] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd4fb400000 [pid 5820] 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 5820] munmap(0x7fd4fb400000, 138412032) = 0 [pid 5820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5820] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5820] close(3) = 0 [pid 5820] close(4) = 0 [pid 5820] mkdir("./file2", 0777) = 0 [ 75.527668][ T5820] loop0: detected capacity change from 0 to 32768 [ 75.578351][ T5820] bcachefs (/dev/loop0): error reading default superblock: checksum error, type none: got should be [ 75.622227][ T5820] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,version_upgrade=none [ 75.637161][ T5820] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 75.645362][ T5820] bcachefs (loop0): insufficient writeable journal devices available: have 0, need 1 [ 75.645362][ T5820] rw journal devs: [ 75.670649][ T5820] bcachefs (loop0): accounting_read... done [ 75.677727][ T5820] bcachefs (loop0): alloc_read... done [ 75.683259][ T5820] bcachefs (loop0): stripes_read... done [ 75.689172][ T5820] bcachefs (loop0): snapshots_read... done [ 75.697012][ T5820] bcachefs (loop0): journal_replay... done [ 75.702972][ T5820] bcachefs (loop0): resume_logged_ops... done [ 75.709172][ T5820] bcachefs (loop0): delete_dead_inodes... done [ 75.715773][ T5820] bcachefs (loop0): going read-write [pid 5820] mount("/dev/loop0", "./file2", "bcachefs", MS_STRICTATIME, "errors=continue,errors=fix_safe,journal_transaction_names,version_upgrade=none,smackfshat=*,obj_type"...) = 0 [pid 5820] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3 [pid 5820] chdir("./file2") = 0 [pid 5820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5820] ioctl(4, LOOP_CLR_FD) = 0 [pid 5820] close(4) = 0 [ 75.725893][ T5829] bcachefs (loop0 inum 4099 offset 0): __bch2_write(): move error: insufficient_devices [ 75.737483][ T5829] bcachefs (loop0 inum 536870913 offset 0): __bch2_write(): move error: insufficient_devices [ 75.747983][ T5820] bcachefs (loop0): done starting filesystem [pid 5820] openat(AT_FDCWD, "./file1", O_ACCMODE|O_CREAT|O_TRUNC|O_LARGEFILE, 000 [pid 5818] kill(-5820, SIGKILL) = 0 [pid 5818] kill(5820, SIGKILL) = 0 [pid 5818] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5818] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5818] getdents64(3, 0x55555c9526f0 /* 2 entries */, 32768) = 48 [pid 5818] getdents64(3, 0x55555c9526f0 /* 0 entries */, 32768) = 0 [pid 5818] close(3) = 0 [ 87.089763][ T974] cfg80211: failed to load regulatory.db [ 106.298418][ T5820] Allocator stuck? Waited for 30 seconds [ 106.298441][ T5820] Allocator debug: [ 106.298449][ T5820] capacity1536 [ 106.298456][ T5820] reserved 31232 [ 106.298464][ T5820] hidden 0 [ 106.298471][ T5820] btree 0 [ 106.298479][ T5820] data 0 [ 106.298486][ T5820] cached 0 [ 106.298494][ T5820] reserved 0 [ 106.298501][ T5820] online_reserved 768 [ 106.298509][ T5820] nr_inodes 0 [ 106.298516][ T5820] [ 106.298523][ T5820] freelist_wait waiting [ 106.298531][ T5820] open buckets allocated1 [ 106.298539][ T5820] open buckets total 1024 [ 106.298546][ T5820] open_buckets_wait empty [ 106.298554][ T5820] open_buckets_btree 0 [ 106.298561][ T5820] open_buckets_user 0 [ 106.298569][ T5820] btree reserve cache 0 [ 106.298576][ T5820] [ 106.298583][ T5820] Dev 0: [ 106.298590][ T5820] buckets sectors fragmented [ 106.298599][ T5820] free 0 0 0 [ 106.298608][ T5820] sb 0 0 0 [ 106.298617][ T5820] journal 0 0 0 [ 106.298626][ T5820] btree 0 0 0 [ 106.298635][ T5820] user 0 0 0 [ 106.298643][ T5820] cached 0 0 0 [ 106.298652][ T5820] parity 0 0 0 [ 106.298661][ T5820] stripe 0 0 0 [ 106.298670][ T5820] need_gc_gens 0 0 0 [ 106.298679][ T5820] need_discard 0 0 0 [ 106.298688][ T5820] unstriped 0 0 0 [ 106.298697][ T5820] capacity 128 [ 106.298704][ T5820] [ 106.298711][ T5820] reserves: [ 106.298718][ T5820] stripe 60 [ 106.298726][ T5820] normal 58 [ 106.298733][ T5820] copygc 56 [ 106.298741][ T5820] btree 28 [ 106.298749][ T5820] btree_copygc 0 [ 106.298756][ T5820] reclaim 0 [ 106.298764][ T5820] interior_updates 0 [ 106.298772][ T5820] [ 106.298778][ T5820] open buckets 0 [ 106.298786][ T5820] buckets to invalidate 0 [ 106.298794][ T5820] [ 106.298801][ T5820] Copygc debug: [ 106.298808][ T5820] running: 0 [ 106.298815][ T5820] copygc_wait:0 [ 106.298822][ T5820] copygc_wait_at:0 [ 106.298829][ T5820] Currently waiting for:0 B [ 106.298837][ T5820] Currently waiting since:640 KiB [ 106.298845][ T5820] Currently calculated wait:0 B [ 106.298853][ T5820] [ 106.298859][ T5820] Journal debug: [ 106.298866][ T5820] flags: replay_done,running,need_flush_write [ 106.298875][ T5820] dirty journal entries: 0/32768 [ 106.298883][ T5820] seq: 10 [ 106.298891][ T5820] seq_ondisk: 10 [ 106.298899][ T5820] last_seq: 11 [ 106.298906][ T5820] last_seq_ondisk: 11 [ 106.298914][ T5820] flushed_seq_ondisk: 10 [ 106.298922][ T5820] watermark: stripe [ 106.298930][ T5820] each entry reserved: 321 [ 106.298938][ T5820] nr flush writes: 0 [ 106.298945][ T5820] nr noflush writes: 0 [ 106.298953][ T5820] average write size: 0 B [ 106.298961][ T5820] nr direct reclaim: 0 [ 106.298968][ T5820] nr background reclaim: 0 [ 106.298976][ T5820] reclaim kicked: 0 [ 106.298984][ T5820] reclaim runs in: 0 ms [ 106.298991][ T5820] blocked: 0 [ 106.298999][ T5820] current entry sectors: 0 [ 106.299007][ T5820] current entry error: insufficient_devices [ 106.299015][ T5820] current entry: closed [ 106.299023][ T5820] unwritten entries: [ 106.299030][ T5820] last buf closed [ 106.299037][ T5820] space: [ 106.299044][ T5820] discarded 0:0 [ 106.299052][ T5820] clean ondisk 0:0 [ 106.299060][ T5820] clean 0:0 [ 106.299067][ T5820] total 0:0 [ 106.299075][ T5820] [ 286.768898][ T30] INFO: task syz-executor405:5820 blocked for more than 143 seconds. [ 286.777213][ T30] Not tainted 6.13.0-syzkaller-00164-g100ceb4817a2 #0 [ 286.784596][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.793395][ T30] task:syz-executor405 state:D stack:18040 pid:5820 tgid:5820 ppid:5818 flags:0x00004006 [ 286.803720][ T30] Call Trace: [ 286.807039][ T30] [ 286.810054][ T30] __schedule+0x17fb/0x4be0 [ 286.814614][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.820788][ T30] ? __pfx___schedule+0x10/0x10 [ 286.825697][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.830804][ T30] ? bch2_print_allocator_stuck+0x165/0xcb0 [ 286.836749][ T30] ? bch2_print_allocator_stuck+0xc24/0xcb0 [ 286.842817][ T30] ? schedule+0x90/0x320 [ 286.847096][ T30] schedule+0x14b/0x320 [ 286.851336][ T30] __closure_sync+0x259/0x2f0 [ 286.856091][ T30] ? __closure_sync+0x149/0x2f0 [ 286.861043][ T30] ? __pfx___closure_sync+0x10/0x10 [ 286.866293][ T30] ? __bch2_wait_on_allocator+0x1d6/0x250 [ 286.872155][ T30] bch2_btree_update_start+0x11a2/0x14e0 [ 286.877904][ T30] ? bch2_btree_split_leaf+0x123/0x840 [ 286.883466][ T30] ? __pfx_bch2_btree_update_start+0x10/0x10 [ 286.889513][ T30] ? bch2_logged_op_start+0x181/0x310 [ 286.894929][ T30] ? __pfx_closure_sync_fn+0x10/0x10 [ 286.900321][ T30] ? __do_six_trylock+0x832/0x9f0 [ 286.905397][ T30] bch2_btree_split_leaf+0x123/0x840 [ 286.910794][ T30] ? __pfx___do_six_trylock+0x10/0x10 [ 286.916197][ T30] bch2_trans_commit_error+0x212/0x1380 [ 286.921870][ T30] ? bch2_logged_op_start+0x1c8/0x310 [ 286.927324][ T30] ? bch2_trans_lock_write+0x585/0xc60 [ 286.932840][ T30] ? six_unlock_ip+0x2ce/0x3e0 [ 286.937713][ T30] ? bch2_trans_unlock_write+0x892/0xce0 [ 286.943385][ T30] ? __pfx_bch2_trans_commit_error+0x10/0x10 [ 286.949468][ T30] ? bch2_trans_unlock_write+0xc2d/0xce0 [ 286.955139][ T30] ? bch2_btree_path_verify_locks+0x633/0x720 [ 286.961297][ T30] ? bch2_trans_verify_locks+0x339/0x3c0 [ 286.966976][ T30] __bch2_trans_commit+0x7ead/0x93c0 [ 286.972373][ T30] ? bch2_path_put+0x1a4/0x2150 [ 286.977316][ T30] ? __pfx___bch2_trans_commit+0x10/0x10 [ 286.982994][ T30] ? __asan_memset+0x23/0x50 [ 286.987671][ T30] bch2_logged_op_start+0x1c8/0x310 [ 286.992928][ T30] ? __pfx_bch2_logged_op_start+0x10/0x10 [ 286.998751][ T30] ? lockdep_init_map_type+0xa1/0x910 [ 287.004166][ T30] ? bch2_bkey_get_empty_slot+0x13a/0x500 [ 287.009957][ T30] ? unmap_mapping_range+0xf8/0x290 [ 287.015203][ T30] bch2_truncate+0x19e/0x2d0 [ 287.019915][ T30] ? __pfx_bch2_truncate+0x10/0x10 [ 287.025074][ T30] ? unmap_mapping_range+0xf8/0x290 [ 287.030351][ T30] ? truncate_setsize+0xcf/0xf0 [ 287.035236][ T30] bchfs_truncate+0x85f/0xc90 [ 287.040028][ T30] ? __pfx_bchfs_truncate+0x10/0x10 [ 287.045272][ T30] ? setattr_prepare+0x1f5/0xb20 [ 287.050348][ T30] ? bch2_setattr+0x1a4/0x220 [ 287.055073][ T30] ? __pfx_bch2_setattr+0x10/0x10 [ 287.060184][ T30] notify_change+0xbca/0xe90 [ 287.064837][ T30] do_truncate+0x220/0x310 [ 287.069374][ T30] ? __pfx_do_truncate+0x10/0x10 [ 287.074364][ T30] path_openat+0x2e1e/0x3590 [ 287.079080][ T30] ? __pfx_path_openat+0x10/0x10 [ 287.084063][ T30] do_filp_open+0x27f/0x4e0 [ 287.088658][ T30] ? __pfx_do_filp_open+0x10/0x10 [ 287.093755][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 287.098887][ T30] do_sys_openat2+0x13e/0x1d0 [ 287.103596][ T30] ? __pfx_do_sys_openat2+0x10/0x10 [ 287.108869][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 287.114177][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.119507][ T30] ? ptrace_notify+0x279/0x380 [ 287.124333][ T30] __x64_sys_openat+0x247/0x2a0 [ 287.129278][ T30] ? __pfx___x64_sys_openat+0x10/0x10 [ 287.134714][ T30] ? do_syscall_64+0x100/0x230 [ 287.139603][ T30] do_syscall_64+0xf3/0x230 [ 287.144353][ T30] ? clear_bhb_loop+0x35/0x90 [ 287.149130][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.155081][ T30] RIP: 0033:0x7fd5038c0d99 [ 287.159607][ T30] RSP: 002b:00007fff8ff95fb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 287.168152][ T30] RAX: ffffffffffffffda RBX: 00007fd50390a095 RCX: 00007fd5038c0d99 [ 287.176156][ T30] RDX: 0000000000008243 RSI: 0000000020000100 RDI: 00000000ffffff9c [ 287.184231][ T30] RBP: 00007fd50393a5f0 R08: 0000000000005901 R09: 000055555c9524c0 [ 287.192302][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff8ff95fe0 [ 287.200469][ T30] R13: 00007fff8ff96208 R14: 431bde82d7b634db R15: 00007fd50390a03b [ 287.208561][ T30] [ 287.211729][ T30] [ 287.211729][ T30] Showing all locks held in the system: [ 287.219541][ T30] 1 lock held by khungtaskd/30: [ 287.224428][ T30] #0: ffffffff8e937da0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 287.234564][ T30] 1 lock held by klogd/5183: [ 287.239235][ T30] #0: ffff8880b863e798 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 287.249282][ T30] 2 locks held by getty/5581: [ 287.253984][ T30] #0: ffff88814cfc70a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.263833][ T30] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 287.274166][ T30] 5 locks held by syz-executor405/5820: [ 287.279788][ T30] #0: ffff88807fb3e420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 287.289052][ T30] #1: ffff8880714d0148 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: do_truncate+0x20c/0x310 [ 287.299737][ T30] #2: ffff888075300a38 (&c->snapshot_create_lock){.+.+}-{4:4}, at: bch2_truncate+0x166/0x2d0 [ 287.310134][ T30] #3: ffff888075304398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x7e1/0xd30 [ 287.320792][ T30] #4: ffff8880753266d0 (&c->gc_lock){.+.+}-{4:4}, at: bch2_btree_update_start+0x682/0x14e0 [ 287.331032][ T30] [ 287.333399][ T30] ============================================= [ 287.333399][ T30] [ 287.341882][ T30] NMI backtrace for cpu 1 [ 287.346250][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-syzkaller-00164-g100ceb4817a2 #0 [ 287.356411][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 287.366485][ T30] Call Trace: [ 287.369773][ T30] [ 287.372714][ T30] dump_stack_lvl+0x241/0x360 [ 287.377415][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.382633][ T30] ? __pfx__printk+0x10/0x10 [ 287.387252][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.392219][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.397705][ T30] ? _printk+0xd5/0x120 [ 287.401896][ T30] ? __pfx__printk+0x10/0x10 [ 287.406519][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.411406][ T30] ? __pfx__printk+0x10/0x10 [ 287.416029][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.422030][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.428037][ T30] watchdog+0xff6/0x1040 [ 287.432386][ T30] ? watchdog+0x1ea/0x1040 [ 287.436818][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.441504][ T30] kthread+0x2f0/0x390 [ 287.445589][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.450274][ T30] ? __pfx_kthread+0x10/0x10 [ 287.454876][ T30] ret_from_fork+0x4b/0x80 [ 287.459303][ T30] ? __pfx_kthread+0x10/0x10 [ 287.463931][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.468722][ T30] [ 287.471873][ T30] Sending NMI from CPU 1 to CPUs 0: [ 287.477141][ C0] NMI backtrace for cpu 0 [ 287.477157][ C0] CPU: 0 UID: 0 PID: 52 Comm: kworker/u8:3 Not tainted 6.13.0-syzkaller-00164-g100ceb4817a2 #0 [ 287.477175][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 287.477187][ C0] Workqueue: events_unbound toggle_allocation_gate [ 287.477219][ C0] RIP: 0010:rcu_is_watching+0x70/0xb0 [ 287.477245][ C0] Code: c3 d8 7c 03 00 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 22 8b 03 65 ff 0d b1 ce 7e 7e 74 10 83 e0 04 c1 e8 02 5b <41> 5e 41 5f c3 cc cc cc cc e8 a2 41 85 ff eb e9 89 d9 80 e1 07 80 [ 287.477264][ C0] RSP: 0018:ffffc90000bc75c8 EFLAGS: 00000202 [ 287.477278][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff817acd60 [ 287.477290][ C0] RDX: 0000000000000000 RSI: ffffffff8c5f27c0 RDI: ffffffff8c5f2780 [ 287.477303][ C0] RBP: ffffc90000bc7720 R08: ffffffff9018d4f7 R09: 1ffffffff2031a9e [ 287.477317][ C0] R10: dffffc0000000000 R11: fffffbfff2031a9f R12: 1ffff92000178ec8 [ 287.477331][ C0] R13: ffffffff813f9a9b R14: ffffffff8e2deb50 R15: dffffc0000000000 [ 287.477344][ C0] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 287.477358][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.477369][ C0] CR2: 000055b6bcfcd600 CR3: 000000000e736000 CR4: 00000000003526f0 [ 287.477384][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.477394][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.477405][ C0] Call Trace: [ 287.477411][ C0] [ 287.477418][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.477447][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.477467][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.477493][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.477520][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.477545][ C0] ? nmi_handle+0x14f/0x5a0 [ 287.477564][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.477583][ C0] ? rcu_is_watching+0x70/0xb0 [ 287.477605][ C0] ? default_do_nmi+0x63/0x160 [ 287.477631][ C0] ? exc_nmi+0x123/0x1f0 [ 287.477655][ C0] ? end_repeat_nmi+0xf/0x53 [ 287.477678][ C0] ? __text_poke+0xa6b/0xd30 [ 287.477702][ C0] ? lock_release+0xb0/0xa30 [ 287.477720][ C0] ? rcu_is_watching+0x70/0xb0 [ 287.477743][ C0] ? rcu_is_watching+0x70/0xb0 [ 287.477766][ C0] ? rcu_is_watching+0x70/0xb0 [ 287.477789][ C0] [ 287.477794][ C0] [ 287.477801][ C0] lock_release+0xbf/0xa30 [ 287.477822][ C0] ? mark_lock+0x9a/0x360 [ 287.477841][ C0] ? __pfx_lock_release+0x10/0x10 [ 287.477860][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.477881][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.477900][ C0] ? text_poke_memcpy+0x25/0x30 [ 287.477934][ C0] ? kmem_cache_alloc_bulk_noprof+0x156/0x7c0 [ 287.477953][ C0] _raw_spin_unlock+0x16/0x50 [ 287.477970][ C0] __text_poke+0xa6b/0xd30 [ 287.477992][ C0] ? kmem_cache_alloc_bulk_noprof+0x156/0x7c0 [ 287.478012][ C0] ? __pfx_text_poke_memcpy+0x10/0x10 [ 287.478036][ C0] ? __pfx___text_poke+0x10/0x10 [ 287.478057][ C0] ? kmem_cache_alloc_bulk_noprof+0x156/0x7c0 [ 287.478078][ C0] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 287.478104][ C0] ? __pfx_perf_event_text_poke+0x10/0x10 [ 287.478125][ C0] ? preempt_schedule_thunk+0x1a/0x30 [ 287.478148][ C0] text_poke_bp_batch+0x8cd/0xb30 [ 287.478176][ C0] ? kmem_cache_alloc_bulk_noprof+0x157/0x7c0 [ 287.478195][ C0] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 287.478222][ C0] ? arch_jump_label_transform_queue+0x9b/0x100 [ 287.478250][ C0] ? process_scheduled_works+0x976/0x1840 [ 287.478278][ C0] text_poke_finish+0x30/0x50 [ 287.478299][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 287.478325][ C0] static_key_disable_cpuslocked+0xd2/0x1c0 [ 287.478351][ C0] static_key_disable+0x1a/0x20 [ 287.478374][ C0] toggle_allocation_gate+0x1bf/0x260 [ 287.478400][ C0] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 287.478426][ C0] ? __pfx_autoremove_wake_function+0x10/0x10 [ 287.478451][ C0] process_scheduled_works+0xa66/0x1840 [ 287.478491][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 287.478521][ C0] ? assign_work+0x364/0x3d0 [ 287.478549][ C0] worker_thread+0x870/0xd30 [ 287.478572][ C0] ? __kthread_parkme+0x169/0x1d0 [ 287.478591][ C0] ? __pfx_worker_thread+0x10/0x10 [ 287.478607][ C0] kthread+0x2f0/0x390 [ 287.478626][ C0] ? __pfx_worker_thread+0x10/0x10 [ 287.478642][ C0] ? __pfx_kthread+0x10/0x10 [ 287.478662][ C0] ret_from_fork+0x4b/0x80 [ 287.478678][ C0] ? __pfx_kthread+0x10/0x10 [ 287.478697][ C0] ret_from_fork_asm+0x1a/0x30 [ 287.478729][ C0] [ 287.478736][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.595 msecs [ 287.487964][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 287.487987][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-syzkaller-00164-g100ceb4817a2 #0 [ 287.488013][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 287.488027][ T30] Call Trace: [ 287.488037][ T30] [ 287.488048][ T30] dump_stack_lvl+0x241/0x360 [ 287.488087][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.488118][ T30] ? __pfx__printk+0x10/0x10 [ 287.488145][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.488178][ T30] ? vscnprintf+0x5d/0x90 [ 287.488216][ T30] panic+0x349/0x880 [ 287.488246][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.488284][ T30] ? __pfx_panic+0x10/0x10 [ 287.488308][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 287.488345][ T30] ? __irq_work_queue_local+0x137/0x410 [ 287.488373][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 287.488398][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.488433][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 287.488472][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 287.488510][ T30] watchdog+0x1035/0x1040 [ 287.488539][ T30] ? watchdog+0x1ea/0x1040 [ 287.488571][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.488595][ T30] kthread+0x2f0/0x390 [ 287.488618][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.488640][ T30] ? __pfx_kthread+0x10/0x10 [ 287.488668][ T30] ret_from_fork+0x4b/0x80 [ 287.488690][ T30] ? __pfx_kthread+0x10/0x10 [ 287.488717][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.488764][ T30] [ 288.083719][ T30] Kernel Offset: disabled [ 288.088045][ T30] Rebooting in 86400 seconds..