./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor493935889 <...> Warning: Permanently added '10.128.0.117' (ED25519) to the list of known hosts. execve("./syz-executor493935889", ["./syz-executor493935889"], 0x7fff4d1c4700 /* 10 vars */) = 0 brk(NULL) = 0x555568d8b000 brk(0x555568d8bd00) = 0x555568d8bd00 arch_prctl(ARCH_SET_FS, 0x555568d8b380) = 0 set_tid_address(0x555568d8b650) = 5846 set_robust_list(0x555568d8b660, 24) = 0 rseq(0x555568d8bca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor493935889", 4096) = 27 getrandom("\xa5\x75\x59\x84\xd1\x8c\x8e\xe1", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555568d8bd00 brk(0x555568dacd00) = 0x555568dacd00 brk(0x555568dad000) = 0x555568dad000 mprotect(0x7f505b582000, 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 5848 attached , child_tidptr=0x555568d8b650) = 5848 [pid 5848] set_robust_list(0x555568d8b660, 24) = 0 [pid 5848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5848] setpgid(0, 0) = 0 [pid 5848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5848] write(3, "1000", 4) = 4 [pid 5848] close(3) = 0 [pid 5848] write(1, "executing program\n", 18executing program ) = 18 [pid 5848] memfd_create("syzkaller", 0) = 3 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5053000000 [pid 5848] 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 5848] munmap(0x7f5053000000, 138412032) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5848] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5848] close(3) = 0 [pid 5848] close(4) = 0 [pid 5848] mkdir("./file1", 0777) = 0 [ 396.567439][ T5848] loop0: detected capacity change from 0 to 32768 [ 396.602707][ T5848] bcachefs (/dev/loop0): error reading default superblock: checksum error, type none: got should be [ 396.644800][ T5848] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,version_upgrade=none [ 396.659736][ T5848] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 396.667883][ T5848] bcachefs (loop0): insufficient writeable journal devices available: have 0, need 1 [ 396.667883][ T5848] rw journal devs: [ 396.692008][ T5848] bcachefs (loop0): accounting_read... done [ 396.699026][ T5848] bcachefs (loop0): alloc_read... done [ 396.704556][ T5848] bcachefs (loop0): stripes_read... done [ 396.710288][ T5848] bcachefs (loop0): snapshots_read... done [ 396.718236][ T5848] bcachefs (loop0): journal_replay... done [ 396.724089][ T5848] bcachefs (loop0): resume_logged_ops... done [ 396.730277][ T5848] bcachefs (loop0): delete_dead_inodes... done [ 396.737067][ T5848] bcachefs (loop0): going read-write [pid 5848] mount("/dev/loop0", "./file1", "bcachefs", MS_STRICTATIME, "errors=continue,errors=fix_safe,journal_transaction_names,version_upgrade=none,smackfshat=*,obj_type"...) = 0 [pid 5848] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5848] chdir("./file1") = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5848] ioctl(4, LOOP_CLR_FD) = 0 [pid 5848] close(4) = 0 [ 396.748188][ T5848] bcachefs (loop0): done starting filesystem [ 396.748493][ T5857] bcachefs (loop0 inum 4099 offset 0): __bch2_write(): move error: insufficient_devices [ 396.766222][ T5857] bcachefs (loop0 inum 536870913 offset 0): __bch2_write(): move error: insufficient_devices [pid 5848] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 040 [pid 5846] kill(-5848, SIGKILL) = 0 [pid 5846] kill(5848, SIGKILL) = 0 [pid 5846] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5846] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5846] getdents64(3, 0x555568d8c6f0 /* 2 entries */, 32768) = 48 [pid 5846] getdents64(3, 0x555568d8c6f0 /* 0 entries */, 32768) = 0 [pid 5846] close(3) = 0 [ 427.447845][ T5848] Allocator stuck? Waited for 30 seconds [ 427.447863][ T5848] Allocator debug: [ 427.447869][ T5848] capacity1536 [ 427.447875][ T5848] reserved 31232 [ 427.447880][ T5848] hidden 0 [ 427.447886][ T5848] btree 0 [ 427.447891][ T5848] data 0 [ 427.447897][ T5848] cached 0 [ 427.447902][ T5848] reserved 0 [ 427.447908][ T5848] online_reserved 768 [ 427.447913][ T5848] nr_inodes 0 [ 427.447919][ T5848] [ 427.447924][ T5848] freelist_wait waiting [ 427.447929][ T5848] open buckets allocated1 [ 427.447935][ T5848] open buckets total 1024 [ 427.447940][ T5848] open_buckets_wait empty [ 427.447946][ T5848] open_buckets_btree 0 [ 427.447951][ T5848] open_buckets_user 0 [ 427.447956][ T5848] btree reserve cache 0 [ 427.447962][ T5848] [ 427.447967][ T5848] Dev 0: [ 427.447972][ T5848] buckets sectors fragmented [ 427.447978][ T5848] free 0 0 0 [ 427.447984][ T5848] sb 0 0 0 [ 427.447990][ T5848] journal 0 0 0 [ 427.447996][ T5848] btree 0 0 0 [ 427.448002][ T5848] user 0 0 0 [ 427.448008][ T5848] cached 0 0 0 [ 427.448014][ T5848] parity 0 0 0 [ 427.448020][ T5848] stripe 0 0 0 [ 427.448026][ T5848] need_gc_gens 0 0 0 [ 427.448032][ T5848] need_discard 0 0 0 [ 427.448038][ T5848] unstriped 0 0 0 [ 427.448044][ T5848] capacity 128 [ 427.448050][ T5848] [ 427.448055][ T5848] reserves: [ 427.448060][ T5848] stripe 60 [ 427.448065][ T5848] normal 58 [ 427.448071][ T5848] copygc 56 [ 427.448076][ T5848] btree 28 [ 427.448081][ T5848] btree_copygc 0 [ 427.448087][ T5848] reclaim 0 [ 427.448092][ T5848] interior_updates 0 [ 427.448097][ T5848] [ 427.448102][ T5848] open buckets 0 [ 427.448108][ T5848] buckets to invalidate 0 [ 427.448113][ T5848] [ 427.448118][ T5848] Copygc debug: [ 427.448123][ T5848] running: 0 [ 427.448128][ T5848] copygc_wait:0 [ 427.448133][ T5848] copygc_wait_at:0 [ 427.448139][ T5848] Currently waiting for:0 B [ 427.448144][ T5848] Currently waiting since:640 KiB [ 427.448150][ T5848] Currently calculated wait:0 B [ 427.448155][ T5848] [ 427.448160][ T5848] Journal debug: [ 427.448166][ T5848] flags: replay_done,running,need_flush_write [ 427.448172][ T5848] dirty journal entries: 0/32768 [ 427.448177][ T5848] seq: 10 [ 427.448183][ T5848] seq_ondisk: 10 [ 427.448188][ T5848] last_seq: 11 [ 427.448193][ T5848] last_seq_ondisk: 11 [ 427.448199][ T5848] flushed_seq_ondisk: 10 [ 427.448204][ T5848] watermark: stripe [ 427.448210][ T5848] each entry reserved: 321 [ 427.448215][ T5848] nr flush writes: 0 [ 427.448221][ T5848] nr noflush writes: 0 [ 427.448226][ T5848] average write size: 0 B [ 427.448232][ T5848] nr direct reclaim: 0 [ 427.448237][ T5848] nr background reclaim: 0 [ 427.448242][ T5848] reclaim kicked: 0 [ 427.448248][ T5848] reclaim runs in: 0 ms [ 427.448254][ T5848] blocked: 0 [ 427.448262][ T5848] current entry sectors: 0 [ 427.448271][ T5848] current entry error: insufficient_devices [ 427.448277][ T5848] current entry: closed [ 427.448282][ T5848] unwritten entries: [ 427.448287][ T5848] last buf closed [ 427.448293][ T5848] space: [ 427.448298][ T5848] discarded 0:0 [ 427.448303][ T5848] clean ondisk 0:0 [ 427.448309][ T5848] clean 0:0 [ 427.448314][ T5848] total 0:0 [ 427.448320][ T5848] [ 573.356808][ T30] INFO: task syz-executor493:5848 blocked for more than 143 seconds. [ 573.365005][ T30] Not tainted 6.13.0-rc4-syzkaller-00004-gf07044dd0df0 #0 [ 573.372707][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 573.381430][ T30] task:syz-executor493 state:D stack:18040 pid:5848 tgid:5848 ppid:5846 flags:0x00004006 [ 573.391757][ T30] Call Trace: [ 573.395056][ T30] [ 573.398066][ T30] __schedule+0x17fb/0x4be0 [ 573.402596][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 573.408639][ T30] ? __pfx___schedule+0x10/0x10 [ 573.413530][ T30] ? __pfx_lock_release+0x10/0x10 [ 573.418633][ T30] ? bch2_print_allocator_stuck+0x165/0xcb0 [ 573.424550][ T30] ? bch2_print_allocator_stuck+0xc24/0xcb0 [ 573.430498][ T30] ? schedule+0x90/0x320 [ 573.434755][ T30] schedule+0x14b/0x320 [ 573.438965][ T30] __closure_sync+0x259/0x2f0 [ 573.443799][ T30] ? __closure_sync+0x149/0x2f0 [ 573.448720][ T30] ? __pfx___closure_sync+0x10/0x10 [ 573.453929][ T30] ? __bch2_wait_on_allocator+0x1d6/0x250 [ 573.459725][ T30] bch2_btree_update_start+0x11a2/0x14e0 [ 573.465379][ T30] ? bch2_btree_split_leaf+0x123/0x840 [ 573.470884][ T30] ? __pfx_bch2_btree_update_start+0x10/0x10 [ 573.476938][ T30] ? bch2_logged_op_start+0x181/0x310 [ 573.482304][ T30] ? __pfx_closure_sync_fn+0x10/0x10 [ 573.487636][ T30] ? __do_six_trylock+0x832/0x9f0 [ 573.492675][ T30] bch2_btree_split_leaf+0x123/0x840 [ 573.498051][ T30] ? __pfx___do_six_trylock+0x10/0x10 [ 573.503458][ T30] bch2_trans_commit_error+0x212/0x1380 [ 573.509069][ T30] ? bch2_logged_op_start+0x1c8/0x310 [ 573.514464][ T30] ? bch2_trans_lock_write+0x585/0xc60 [ 573.520018][ T30] ? six_unlock_ip+0x2ce/0x3e0 [ 573.524791][ T30] ? bch2_trans_unlock_write+0x892/0xce0 [ 573.530457][ T30] ? __pfx_bch2_trans_commit_error+0x10/0x10 [ 573.536512][ T30] ? bch2_trans_unlock_write+0xc2d/0xce0 [ 573.542151][ T30] ? bch2_btree_path_verify_locks+0x633/0x720 [ 573.548263][ T30] ? bch2_trans_verify_locks+0x339/0x3c0 [ 573.553907][ T30] __bch2_trans_commit+0x7ead/0x93c0 [ 573.559267][ T30] ? bch2_path_put+0x1a4/0x2150 [ 573.564138][ T30] ? __pfx___bch2_trans_commit+0x10/0x10 [ 573.569812][ T30] ? __asan_memset+0x23/0x50 [ 573.574415][ T30] bch2_logged_op_start+0x1c8/0x310 [ 573.579682][ T30] ? __pfx_bch2_logged_op_start+0x10/0x10 [ 573.585420][ T30] ? lockdep_init_map_type+0xa1/0x910 [ 573.590853][ T30] ? bch2_bkey_get_empty_slot+0x13a/0x500 [ 573.596621][ T30] ? unmap_mapping_range+0xf8/0x290 [ 573.601835][ T30] bch2_truncate+0x19e/0x2d0 [ 573.606413][ T30] ? __pfx_bch2_truncate+0x10/0x10 [ 573.611570][ T30] ? unmap_mapping_range+0xf8/0x290 [ 573.616818][ T30] ? truncate_setsize+0xcf/0xf0 [ 573.621660][ T30] bchfs_truncate+0x85f/0xc90 [ 573.626337][ T30] ? __pfx_bchfs_truncate+0x10/0x10 [ 573.631584][ T30] ? setattr_prepare+0x1f5/0xb20 [ 573.636609][ T30] ? bch2_setattr+0x1a4/0x220 [ 573.641308][ T30] ? __pfx_bch2_setattr+0x10/0x10 [ 573.646338][ T30] notify_change+0xbca/0xe90 [ 573.650978][ T30] do_truncate+0x220/0x310 [ 573.655417][ T30] ? __pfx_do_truncate+0x10/0x10 [ 573.660434][ T30] path_openat+0x2e1e/0x3590 [ 573.665046][ T30] ? __pfx_path_openat+0x10/0x10 [ 573.670039][ T30] do_filp_open+0x27f/0x4e0 [ 573.674573][ T30] ? __pfx_do_filp_open+0x10/0x10 [ 573.679670][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 573.684731][ T30] do_sys_openat2+0x13e/0x1d0 [ 573.689440][ T30] ? __pfx_do_sys_openat2+0x10/0x10 [ 573.694670][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 573.699947][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 573.705155][ T30] ? ptrace_notify+0x279/0x380 [ 573.709958][ T30] __x64_sys_openat+0x247/0x2a0 [ 573.714819][ T30] ? __pfx___x64_sys_openat+0x10/0x10 [ 573.720248][ T30] ? do_syscall_64+0x100/0x230 [ 573.725053][ T30] do_syscall_64+0xf3/0x230 [ 573.729603][ T30] ? clear_bhb_loop+0x35/0x90 [ 573.734287][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 573.740250][ T30] RIP: 0033:0x7f505b509d19 [ 573.744685][ T30] RSP: 002b:00007ffc222c7628 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 573.753129][ T30] RAX: ffffffffffffffda RBX: 00007f505b552095 RCX: 00007f505b509d19 [ 573.761171][ T30] RDX: 0000000000068342 RSI: 0000000020000280 RDI: 00000000ffffff9c [ 573.769172][ T30] RBP: 0031656c69662f2e R08: 0000000000005901 R09: 0000555568d8c4c0 [ 573.777225][ T30] R10: 0000000000000020 R11: 0000000000000246 R12: 00007ffc222c7650 [ 573.785204][ T30] R13: 00007ffc222c7878 R14: 431bde82d7b634db R15: 00007f505b55203b [ 573.793247][ T30] [ 573.796307][ T30] [ 573.796307][ T30] Showing all locks held in the system: [ 573.804126][ T30] 1 lock held by khungtaskd/30: [ 573.809024][ T30] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 573.818995][ T30] 2 locks held by getty/5575: [ 573.823660][ T30] #0: ffff88814db6a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 573.833451][ T30] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 573.843623][ T30] 5 locks held by syz-executor493/5848: [ 573.849191][ T30] #0: ffff88807d3ec420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 573.858411][ T30] #1: ffff888072030148 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: do_truncate+0x20c/0x310 [ 573.868798][ T30] #2: ffff888075300a38 (&c->snapshot_create_lock){.+.+}-{4:4}, at: bch2_truncate+0x166/0x2d0 [ 573.879140][ T30] #3: ffff888075304398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x7e1/0xd30 [ 573.889610][ T30] #4: ffff8880753266d0 (&c->gc_lock){.+.+}-{4:4}, at: bch2_btree_update_start+0x682/0x14e0 [ 573.899789][ T30] [ 573.902100][ T30] ============================================= [ 573.902100][ T30] [ 573.910592][ T30] NMI backtrace for cpu 0 [ 573.914928][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00004-gf07044dd0df0 #0 [ 573.925423][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 573.935474][ T30] Call Trace: [ 573.938747][ T30] [ 573.941680][ T30] dump_stack_lvl+0x241/0x360 [ 573.946359][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 573.951559][ T30] ? __pfx__printk+0x10/0x10 [ 573.956150][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 573.961088][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 573.966539][ T30] ? _printk+0xd5/0x120 [ 573.970688][ T30] ? __pfx__printk+0x10/0x10 [ 573.975269][ T30] ? __wake_up_klogd+0xcc/0x110 [ 573.980119][ T30] ? __pfx__printk+0x10/0x10 [ 573.984710][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 573.990687][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 573.996671][ T30] watchdog+0xff6/0x1040 [ 574.000907][ T30] ? watchdog+0x1ea/0x1040 [ 574.005318][ T30] ? __pfx_watchdog+0x10/0x10 [ 574.009987][ T30] kthread+0x2f0/0x390 [ 574.014050][ T30] ? __pfx_watchdog+0x10/0x10 [ 574.018720][ T30] ? __pfx_kthread+0x10/0x10 [ 574.023304][ T30] ret_from_fork+0x4b/0x80 [ 574.027713][ T30] ? __pfx_kthread+0x10/0x10 [ 574.032294][ T30] ret_from_fork_asm+0x1a/0x30 [ 574.037063][ T30] [ 574.040183][ T30] Sending NMI from CPU 0 to CPUs 1: [ 574.045420][ C1] NMI backtrace for cpu 1 [ 574.045432][ C1] CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:1 Not tainted 6.13.0-rc4-syzkaller-00004-gf07044dd0df0 #0 [ 574.045451][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 574.045462][ C1] Workqueue: events_unbound toggle_allocation_gate [ 574.045491][ C1] RIP: 0010:mark_lock+0x28/0x360 [ 574.045512][ C1] Code: 90 90 55 41 57 41 56 41 55 41 54 53 48 83 ec 10 49 89 f7 48 89 3c 24 49 bd 00 00 00 00 00 fc ff df 83 fa 08 75 27 49 8d 5f 20 <48> 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 94 02 00 00 31 ed [ 574.045525][ C1] RSP: 0018:ffffc900001172e8 EFLAGS: 00000046 [ 574.045538][ C1] RAX: 0000000000000004 RBX: ffff88801bee65c8 RCX: 0000000000000004 [ 574.045550][ C1] RDX: 0000000000000008 RSI: ffff88801bee65a8 RDI: ffff88801bee5a00 [ 574.045561][ C1] RBP: ffff88801bee65a8 R08: ffffffff94270887 R09: 1ffffffff284e110 [ 574.045574][ C1] R10: dffffc0000000000 R11: fffffbfff284e111 R12: ffff88801bee64c4 [ 574.045586][ C1] R13: dffffc0000000000 R14: 0000000000000005 R15: ffff88801bee65a8 [ 574.045598][ C1] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 574.045611][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 574.045623][ C1] CR2: 0000561ff2521818 CR3: 000000000e736000 CR4: 00000000003526f0 [ 574.045637][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 574.045647][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 574.045657][ C1] Call Trace: [ 574.045663][ C1] [ 574.045669][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 574.045688][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 574.045705][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 574.045729][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 574.045752][ C1] ? nmi_handle+0x14f/0x5a0 [ 574.045769][ C1] ? nmi_handle+0x2a/0x5a0 [ 574.045787][ C1] ? mark_lock+0x28/0x360 [ 574.045804][ C1] ? default_do_nmi+0x63/0x160 [ 574.045821][ C1] ? exc_nmi+0x123/0x1f0 [ 574.045837][ C1] ? end_repeat_nmi+0xf/0x53 [ 574.045855][ C1] ? mark_lock+0x28/0x360 [ 574.045873][ C1] ? mark_lock+0x28/0x360 [ 574.045891][ C1] ? mark_lock+0x28/0x360 [ 574.045908][ C1] [ 574.045913][ C1] [ 574.045921][ C1] __lock_acquire+0xc3e/0x2100 [ 574.045943][ C1] lock_acquire+0x1ed/0x550 [ 574.045959][ C1] ? ___pte_offset_map+0x82/0x380 [ 574.045979][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 574.045997][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 574.046015][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 574.046033][ C1] ___pte_offset_map+0x9e/0x380 [ 574.046049][ C1] ? ___pte_offset_map+0x82/0x380 [ 574.046066][ C1] ? __pfx____pte_offset_map+0x10/0x10 [ 574.046087][ C1] __pte_offset_map_lock+0xc7/0x300 [ 574.046104][ C1] ? __text_poke+0xaec/0xd30 [ 574.046123][ C1] ? __pfx_lock_release+0x10/0x10 [ 574.046139][ C1] ? __pfx___pte_offset_map_lock+0x10/0x10 [ 574.046158][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 574.046180][ C1] ? walk_to_pmd+0x19b/0x240 [ 574.046205][ C1] ? kmem_cache_alloc_bulk_noprof+0x156/0x7c0 [ 574.046222][ C1] __text_poke+0x2c5/0xd30 [ 574.046242][ C1] ? __kmalloc_cache_node_noprof+0x8c/0x3a0 [ 574.046258][ C1] ? __pfx_text_poke_memcpy+0x10/0x10 [ 574.046278][ C1] ? __pfx___text_poke+0x10/0x10 [ 574.046297][ C1] ? kmem_cache_alloc_bulk_noprof+0x156/0x7c0 [ 574.046316][ C1] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 574.046338][ C1] ? __pfx_perf_event_text_poke+0x10/0x10 [ 574.046355][ C1] ? preempt_schedule_thunk+0x1a/0x30 [ 574.046375][ C1] text_poke_bp_batch+0x8cd/0xb30 [ 574.046399][ C1] ? kmem_cache_alloc_bulk_noprof+0x157/0x7c0 [ 574.046421][ C1] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 574.046446][ C1] ? arch_jump_label_transform_queue+0x9b/0x100 [ 574.046469][ C1] ? process_scheduled_works+0x976/0x1840 [ 574.046493][ C1] text_poke_finish+0x30/0x50 [ 574.046512][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 574.046535][ C1] static_key_enable_cpuslocked+0x136/0x260 [ 574.046557][ C1] static_key_enable+0x1a/0x20 [ 574.046576][ C1] toggle_allocation_gate+0xbc/0x260 [ 574.046599][ C1] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 574.046621][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 574.046643][ C1] process_scheduled_works+0xa66/0x1840 [ 574.046675][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 574.046701][ C1] ? assign_work+0x364/0x3d0 [ 574.046725][ C1] worker_thread+0x870/0xd30 [ 574.046744][ C1] ? __kthread_parkme+0x169/0x1d0 [ 574.046761][ C1] ? __pfx_worker_thread+0x10/0x10 [ 574.046776][ C1] kthread+0x2f0/0x390 [ 574.046793][ C1] ? __pfx_worker_thread+0x10/0x10 [ 574.046807][ C1] ? __pfx_kthread+0x10/0x10 [ 574.046824][ C1] ret_from_fork+0x4b/0x80 [ 574.046839][ C1] ? __pfx_kthread+0x10/0x10 [ 574.046855][ C1] ret_from_fork_asm+0x1a/0x30 [ 574.046882][ C1] [ 574.046889][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.470 msecs [ 574.047467][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 574.047480][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00004-gf07044dd0df0 #0 [ 574.047501][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 574.047512][ T30] Call Trace: [ 574.047520][ T30] [ 574.047528][ T30] dump_stack_lvl+0x241/0x360 [ 574.047553][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 574.047574][ T30] ? __pfx__printk+0x10/0x10 [ 574.047600][ T30] ? vscnprintf+0x5d/0x90 [ 574.047621][ T30] panic+0x349/0x880 [ 574.047643][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 574.047670][ T30] ? __pfx_panic+0x10/0x10 [ 574.047688][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 574.047711][ T30] ? __irq_work_queue_local+0x137/0x410 [ 574.047731][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 574.047749][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 574.047769][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 574.047790][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 574.047813][ T30] watchdog+0x1035/0x1040 [ 574.047833][ T30] ? watchdog+0x1ea/0x1040 [ 574.047857][ T30] ? __pfx_watchdog+0x10/0x10 [ 574.047874][ T30] kthread+0x2f0/0x390 [ 574.047893][ T30] ? __pfx_watchdog+0x10/0x10 [ 574.047910][ T30] ? __pfx_kthread+0x10/0x10 [ 574.047930][ T30] ret_from_fork+0x4b/0x80 [ 574.047946][ T30] ? __pfx_kthread+0x10/0x10 [ 574.047965][ T30] ret_from_fork_asm+0x1a/0x30 [ 574.047999][ T30] [ 574.667652][ T30] Kernel Offset: disabled [ 574.671979][ T30] Rebooting in 86400 seconds..