./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3278882196 <...> Warning: Permanently added '10.128.15.193' (ED25519) to the list of known hosts. execve("./syz-executor3278882196", ["./syz-executor3278882196"], 0x7ffefa93f520 /* 10 vars */) = 0 brk(NULL) = 0x55556999a000 brk(0x55556999ad00) = 0x55556999ad00 arch_prctl(ARCH_SET_FS, 0x55556999a380) = 0 set_tid_address(0x55556999a650) = 5821 set_robust_list(0x55556999a660, 24) = 0 rseq(0x55556999aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3278882196", 4096) = 28 getrandom("\x75\x2f\x16\x3d\x14\x79\x7c\xf8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556999ad00 brk(0x5555699bbd00) = 0x5555699bbd00 brk(0x5555699bc000) = 0x5555699bc000 mprotect(0x7ff91b777000, 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 5823 attached , child_tidptr=0x55556999a650) = 5823 [pid 5823] set_robust_list(0x55556999a660, 24) = 0 [pid 5823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5823] setpgid(0, 0) = 0 [pid 5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5823] write(3, "1000", 4) = 4 [pid 5823] close(3) = 0 executing program [pid 5823] write(1, "executing program\n", 18) = 18 [pid 5823] memfd_create("syzkaller", 0) = 3 [pid 5823] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff913200000 [pid 5823] 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 5823] munmap(0x7ff913200000, 138412032) = 0 [pid 5823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5823] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5823] close(3) = 0 [pid 5823] close(4) = 0 [pid 5823] mkdir("./file2", 0777) = 0 syzkaller login: [ 77.961070][ T5823] loop0: detected capacity change from 0 to 32768 [ 78.011889][ T5823] bcachefs (/dev/loop0): error reading default superblock: checksum error, type none: got should be [ 78.055668][ T5823] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,version_upgrade=none [ 78.070578][ T5823] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 78.078845][ T5823] bcachefs (loop0): insufficient writeable journal devices available: have 0, need 1 [ 78.078845][ T5823] rw journal devs: [ 78.104617][ T5823] bcachefs (loop0): accounting_read... done [ 78.111858][ T5823] bcachefs (loop0): alloc_read... done [ 78.117491][ T5823] bcachefs (loop0): stripes_read... done [ 78.123210][ T5823] bcachefs (loop0): snapshots_read... done [ 78.131939][ T5823] bcachefs (loop0): journal_replay... done [ 78.137927][ T5823] bcachefs (loop0): resume_logged_ops... done [ 78.144082][ T5823] bcachefs (loop0): delete_dead_inodes... done [ 78.151091][ T5823] bcachefs (loop0): going read-write [pid 5823] mount("/dev/loop0", "./file2", "bcachefs", MS_STRICTATIME, "errors=continue,errors=fix_safe,journal_transaction_names,version_upgrade=none,smackfshat=*,obj_type"...) = 0 [pid 5823] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3 [pid 5823] chdir("./file2") = 0 [pid 5823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5823] ioctl(4, LOOP_CLR_FD) = 0 [pid 5823] close(4) = 0 [ 78.161842][ T5832] bcachefs (loop0 inum 4099 offset 0): __bch2_write(): move error: insufficient_devices [ 78.166380][ T5823] bcachefs (loop0): done starting filesystem [ 78.174291][ T5832] bcachefs (loop0 inum 536870913 offset 0): __bch2_write(): move error: insufficient_devices [pid 5823] open("./file2", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 0100 [pid 5821] kill(-5823, SIGKILL) = 0 [pid 5821] kill(5823, SIGKILL) = 0 [pid 5821] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5821] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5821] getdents64(3, 0x55556999b6f0 /* 2 entries */, 32768) = 48 [pid 5821] getdents64(3, 0x55556999b6f0 /* 0 entries */, 32768) = 0 [pid 5821] close(3) = 0 [ 86.986961][ T9] cfg80211: failed to load regulatory.db [ 108.755884][ T5823] Allocator stuck? Waited for 30 seconds [ 108.755907][ T5823] Allocator debug: [ 108.755915][ T5823] capacity1536 [ 108.755923][ T5823] reserved 31232 [ 108.755932][ T5823] hidden 0 [ 108.755940][ T5823] btree 0 [ 108.755948][ T5823] data 0 [ 108.755956][ T5823] cached 0 [ 108.755964][ T5823] reserved 0 [ 108.755972][ T5823] online_reserved 768 [ 108.755980][ T5823] nr_inodes 0 [ 108.755988][ T5823] [ 108.755996][ T5823] freelist_wait waiting [ 108.756004][ T5823] open buckets allocated1 [ 108.756016][ T5823] open buckets total 1024 [ 108.756025][ T5823] open_buckets_wait empty [ 108.756033][ T5823] open_buckets_btree 0 [ 108.756041][ T5823] open_buckets_user 0 [ 108.756050][ T5823] btree reserve cache 0 [ 108.756058][ T5823] [ 108.756065][ T5823] Dev 0: [ 108.756073][ T5823] buckets sectors fragmented [ 108.756082][ T5823] free 0 0 0 [ 108.756092][ T5823] sb 0 0 0 [ 108.756102][ T5823] journal 0 0 0 [ 108.756111][ T5823] btree 0 0 0 [ 108.756121][ T5823] user 0 0 0 [ 108.756130][ T5823] cached 0 0 0 [ 108.756140][ T5823] parity 0 0 0 [ 108.756149][ T5823] stripe 0 0 0 [ 108.756159][ T5823] need_gc_gens 0 0 0 [ 108.756169][ T5823] need_discard 0 0 0 [ 108.756178][ T5823] unstriped 0 0 0 [ 108.756188][ T5823] capacity 128 [ 108.756196][ T5823] [ 108.756203][ T5823] reserves: [ 108.756211][ T5823] stripe 60 [ 108.756219][ T5823] normal 58 [ 108.756228][ T5823] copygc 56 [ 108.756236][ T5823] btree 28 [ 108.756244][ T5823] btree_copygc 0 [ 108.756253][ T5823] reclaim 0 [ 108.756261][ T5823] interior_updates 0 [ 108.756269][ T5823] [ 108.756277][ T5823] open buckets 0 [ 108.756285][ T5823] buckets to invalidate 0 [ 108.756293][ T5823] [ 108.756300][ T5823] Copygc debug: [ 108.756308][ T5823] running: 0 [ 108.756316][ T5823] copygc_wait:0 [ 108.756324][ T5823] copygc_wait_at:0 [ 108.756332][ T5823] Currently waiting for:0 B [ 108.756340][ T5823] Currently waiting since:640 KiB [ 108.756349][ T5823] Currently calculated wait:0 B [ 108.756357][ T5823] [ 108.756365][ T5823] Journal debug: [ 108.756373][ T5823] flags: replay_done,running,need_flush_write [ 108.756382][ T5823] dirty journal entries: 0/32768 [ 108.756391][ T5823] seq: 10 [ 108.756399][ T5823] seq_ondisk: 10 [ 108.756408][ T5823] last_seq: 11 [ 108.756416][ T5823] last_seq_ondisk: 11 [ 108.756424][ T5823] flushed_seq_ondisk: 10 [ 108.756433][ T5823] watermark: stripe [ 108.756441][ T5823] each entry reserved: 321 [ 108.756450][ T5823] nr flush writes: 0 [ 108.756458][ T5823] nr noflush writes: 0 [ 108.756466][ T5823] average write size: 0 B [ 108.756475][ T5823] nr direct reclaim: 0 [ 108.756483][ T5823] nr background reclaim: 0 [ 108.756491][ T5823] reclaim kicked: 0 [ 108.756500][ T5823] reclaim runs in: 0 ms [ 108.756508][ T5823] blocked: 0 [ 108.756516][ T5823] current entry sectors: 0 [ 108.756525][ T5823] current entry error: insufficient_devices [ 108.756534][ T5823] current entry: closed [ 108.756542][ T5823] unwritten entries: [ 108.756550][ T5823] last buf closed [ 108.756558][ T5823] space: [ 108.756566][ T5823] discarded 0:0 [ 108.756574][ T5823] clean ondisk 0:0 [ 108.756583][ T5823] clean 0:0 [ 108.756591][ T5823] total 0:0 [ 108.756599][ T5823] [ 286.664745][ T30] INFO: task syz-executor327:5823 blocked for more than 143 seconds. [ 286.673079][ T30] Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 [ 286.680824][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.689742][ T30] task:syz-executor327 state:D stack:18040 pid:5823 tgid:5823 ppid:5821 flags:0x00004006 [ 286.700164][ T30] Call Trace: [ 286.703496][ T30] [ 286.706492][ T30] __schedule+0x17fb/0x4be0 [ 286.711057][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.717224][ T30] ? __pfx___schedule+0x10/0x10 [ 286.722113][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.727193][ T30] ? bch2_print_allocator_stuck+0x165/0xcb0 [ 286.733304][ T30] ? bch2_print_allocator_stuck+0xc24/0xcb0 [ 286.739308][ T30] ? schedule+0x90/0x320 [ 286.743603][ T30] schedule+0x14b/0x320 [ 286.747840][ T30] __closure_sync+0x259/0x2f0 [ 286.752559][ T30] ? __closure_sync+0x149/0x2f0 [ 286.757501][ T30] ? __pfx___closure_sync+0x10/0x10 [ 286.762751][ T30] ? __bch2_wait_on_allocator+0x1d6/0x250 [ 286.768666][ T30] bch2_btree_update_start+0x11a2/0x14e0 [ 286.774356][ T30] ? bch2_btree_split_leaf+0x123/0x840 [ 286.779907][ T30] ? __pfx_bch2_btree_update_start+0x10/0x10 [ 286.785968][ T30] ? bch2_logged_op_start+0x181/0x310 [ 286.791401][ T30] ? __pfx_closure_sync_fn+0x10/0x10 [ 286.797232][ T30] ? __do_six_trylock+0x832/0x9f0 [ 286.802330][ T30] bch2_btree_split_leaf+0x123/0x840 [ 286.807732][ T30] ? __pfx___do_six_trylock+0x10/0x10 [ 286.813151][ T30] bch2_trans_commit_error+0x212/0x1380 [ 286.818831][ T30] ? bch2_logged_op_start+0x1c8/0x310 [ 286.824243][ T30] ? bch2_trans_lock_write+0x585/0xc60 [ 286.829790][ T30] ? six_unlock_ip+0x2ce/0x3e0 [ 286.834685][ T30] ? bch2_trans_unlock_write+0x892/0xce0 [ 286.840352][ T30] ? __pfx_bch2_trans_commit_error+0x10/0x10 [ 286.846392][ T30] ? bch2_trans_unlock_write+0xc2d/0xce0 [ 286.852062][ T30] ? bch2_btree_path_verify_locks+0x633/0x720 [ 286.858211][ T30] ? bch2_trans_verify_locks+0x339/0x3c0 [ 286.863883][ T30] __bch2_trans_commit+0x7ead/0x93c0 [ 286.869264][ T30] ? bch2_path_put+0x1a4/0x2150 [ 286.874157][ T30] ? __pfx___bch2_trans_commit+0x10/0x10 [ 286.879867][ T30] ? __asan_memset+0x23/0x50 [ 286.884599][ T30] bch2_logged_op_start+0x1c8/0x310 [ 286.889832][ T30] ? __pfx_bch2_logged_op_start+0x10/0x10 [ 286.895607][ T30] ? lockdep_init_map_type+0xa1/0x910 [ 286.901014][ T30] ? bch2_bkey_get_empty_slot+0x13a/0x500 [ 286.906806][ T30] ? unmap_mapping_range+0xf8/0x290 [ 286.912073][ T30] bch2_truncate+0x19e/0x2d0 [ 286.916766][ T30] ? __pfx_bch2_truncate+0x10/0x10 [ 286.921919][ T30] ? unmap_mapping_range+0xf8/0x290 [ 286.927224][ T30] ? truncate_setsize+0xcf/0xf0 [ 286.932126][ T30] bchfs_truncate+0x85f/0xc90 [ 286.936909][ T30] ? __pfx_bchfs_truncate+0x10/0x10 [ 286.942160][ T30] ? setattr_prepare+0x1f5/0xb20 [ 286.947187][ T30] ? bch2_setattr+0x1a4/0x220 [ 286.951899][ T30] ? __pfx_bch2_setattr+0x10/0x10 [ 286.956987][ T30] notify_change+0xbca/0xe90 [ 286.962056][ T30] do_truncate+0x220/0x310 [ 286.966547][ T30] ? __pfx_do_truncate+0x10/0x10 [ 286.971530][ T30] path_openat+0x2e1e/0x3590 [ 286.976223][ T30] ? __pfx_path_openat+0x10/0x10 [ 286.981229][ T30] do_filp_open+0x27f/0x4e0 [ 286.985812][ T30] ? __pfx_do_filp_open+0x10/0x10 [ 286.990865][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 286.996004][ T30] do_sys_openat2+0x13e/0x1d0 [ 287.000713][ T30] ? __pfx_do_sys_openat2+0x10/0x10 [ 287.005989][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 287.011223][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.016489][ T30] ? ptrace_notify+0x279/0x380 [ 287.021298][ T30] __x64_sys_open+0x225/0x270 [ 287.026053][ T30] ? __pfx___x64_sys_open+0x10/0x10 [ 287.031304][ T30] ? do_syscall_64+0x100/0x230 [ 287.036160][ T30] do_syscall_64+0xf3/0x230 [ 287.040705][ T30] ? clear_bhb_loop+0x35/0x90 [ 287.045467][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.051424][ T30] RIP: 0033:0x7ff91b6fdd59 [ 287.055928][ T30] RSP: 002b:00007ffc3abba958 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 287.064375][ T30] RAX: ffffffffffffffda RBX: 0032656c69662f2e RCX: 00007ff91b6fdd59 [ 287.072455][ T30] RDX: 0000000000000040 RSI: 000000000014937e RDI: 00000000200002c0 [ 287.080484][ T30] RBP: 00007ff91b7775f0 R08: 0000000000005901 R09: 000055556999b4c0 [ 287.088522][ T30] R10: 00007ffc3abba820 R11: 0000000000000246 R12: 00007ffc3abba980 [ 287.096582][ T30] R13: 00007ffc3abbaba8 R14: 431bde82d7b634db R15: 00007ff91b74703b [ 287.104711][ T30] [ 287.107777][ T30] [ 287.107777][ T30] Showing all locks held in the system: [ 287.115604][ T30] 1 lock held by khungtaskd/30: [ 287.120473][ T30] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 287.130461][ T30] 2 locks held by getty/5579: [ 287.135204][ T30] #0: ffff88814d0310a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.145058][ T30] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 287.155261][ T30] 5 locks held by syz-executor327/5823: [ 287.160805][ T30] #0: ffff888030b98420 (sb_writers#9){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 [ 287.170555][ T30] #1: ffff888071810148 (&sb->s_type->i_mutex_key#14){+.+.}-{4:4}, at: do_truncate+0x20c/0x310 [ 287.181038][ T30] #2: ffff888074f80a38 (&c->snapshot_create_lock){.+.+}-{4:4}, at: bch2_truncate+0x166/0x2d0 [ 287.191452][ T30] #3: ffff888074f84398 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x7e1/0xd30 [ 287.202251][ T30] #4: ffff888074fa66d0 (&c->gc_lock){.+.+}-{4:4}, at: bch2_btree_update_start+0x682/0x14e0 [ 287.212477][ T30] [ 287.214851][ T30] ============================================= [ 287.214851][ T30] [ 287.223308][ T30] NMI backtrace for cpu 1 [ 287.227652][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 [ 287.238151][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.248226][ T30] Call Trace: [ 287.251504][ T30] [ 287.254449][ T30] dump_stack_lvl+0x241/0x360 [ 287.259174][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.264396][ T30] ? __pfx__printk+0x10/0x10 [ 287.269004][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.273966][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.279440][ T30] ? _printk+0xd5/0x120 [ 287.283611][ T30] ? __pfx__printk+0x10/0x10 [ 287.288217][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.293116][ T30] ? __pfx__printk+0x10/0x10 [ 287.297722][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.303720][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.309712][ T30] watchdog+0xff6/0x1040 [ 287.313977][ T30] ? watchdog+0x1ea/0x1040 [ 287.318416][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.323138][ T30] kthread+0x2f0/0x390 [ 287.327233][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.331938][ T30] ? __pfx_kthread+0x10/0x10 [ 287.336535][ T30] ret_from_fork+0x4b/0x80 [ 287.340975][ T30] ? __pfx_kthread+0x10/0x10 [ 287.345584][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.350375][ T30] [ 287.353602][ T30] Sending NMI from CPU 1 to CPUs 0: [ 287.358903][ C0] NMI backtrace for cpu 0 [ 287.358919][ C0] CPU: 0 UID: 0 PID: 52 Comm: kworker/u8:3 Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 [ 287.358938][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.358950][ C0] Workqueue: events_unbound toggle_allocation_gate [ 287.358981][ C0] RIP: 0010:mark_lock+0x14d/0x360 [ 287.359004][ C0] Code: 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 9a 28 88 00 41 bc 01 00 00 00 44 85 33 74 16 44 89 e0 48 83 c4 10 5b 41 5c 41 5d <41> 5e 41 5f 5d c3 cc cc cc cc e8 c4 34 ff ff 85 c0 0f 84 3d 01 00 [ 287.359019][ C0] RSP: 0018:ffffc90000bc73b0 EFLAGS: 00000082 [ 287.359033][ C0] RAX: 0000000000000001 RBX: 1ffff110043548fe RCX: ffffffff817b274a [ 287.359046][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff94270880 [ 287.359057][ C0] RBP: 0000000000000002 R08: ffffffff94270887 R09: 1ffffffff284e110 [ 287.359069][ C0] R10: dffffc0000000000 R11: fffffbfff284e111 R12: ffff888021aa46c4 [ 287.359101][ C0] R13: ffff888021aa3c00 R14: 0000000000000004 R15: ffff888021aa47d0 [ 287.359114][ C0] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 287.359129][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.359141][ C0] CR2: 000055c68242b680 CR3: 000000000e736000 CR4: 00000000003526f0 [ 287.359157][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.359167][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.359179][ C0] Call Trace: [ 287.359185][ C0] [ 287.359192][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.359214][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.359234][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.359262][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.359287][ C0] ? nmi_handle+0x14f/0x5a0 [ 287.359307][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.359327][ C0] ? mark_lock+0x14d/0x360 [ 287.359346][ C0] ? default_do_nmi+0x63/0x160 [ 287.359366][ C0] ? exc_nmi+0x123/0x1f0 [ 287.359384][ C0] ? end_repeat_nmi+0xf/0x53 [ 287.359403][ C0] ? mark_lock+0x9a/0x360 [ 287.359423][ C0] ? mark_lock+0x14d/0x360 [ 287.359443][ C0] ? mark_lock+0x14d/0x360 [ 287.359469][ C0] ? mark_lock+0x14d/0x360 [ 287.359488][ C0] [ 287.359494][ C0] [ 287.359501][ C0] __lock_acquire+0x117d/0x2100 [ 287.359526][ C0] lock_acquire+0x1ed/0x550 [ 287.359543][ C0] ? __pte_offset_map_lock+0x1ba/0x300 [ 287.359566][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.359586][ C0] ? rcu_is_watching+0x15/0xb0 [ 287.359609][ C0] ? ___pte_offset_map+0x2c4/0x380 [ 287.359628][ C0] ? __pfx____pte_offset_map+0x10/0x10 [ 287.359650][ C0] _raw_spin_lock+0x2e/0x40 [ 287.359671][ C0] ? __pte_offset_map_lock+0x1ba/0x300 [ 287.359691][ C0] __pte_offset_map_lock+0x1ba/0x300 [ 287.359713][ C0] ? __pfx___pte_offset_map_lock+0x10/0x10 [ 287.359734][ C0] ? do_raw_spin_unlock+0x13c/0x8b0 [ 287.359759][ C0] ? walk_to_pmd+0x19b/0x240 [ 287.359788][ C0] ? __kmalloc_cache_noprof+0x83/0x390 [ 287.359805][ C0] __text_poke+0x2c5/0xd30 [ 287.359829][ C0] ? __kmalloc_node_track_caller_noprof+0xf8/0x4c0 [ 287.359848][ C0] ? __pfx_text_poke_memcpy+0x10/0x10 [ 287.359872][ C0] ? __pfx___text_poke+0x10/0x10 [ 287.359892][ C0] ? kmem_cache_alloc_bulk_noprof+0x156/0x7c0 [ 287.359913][ C0] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 287.359939][ C0] ? __pfx_perf_event_text_poke+0x10/0x10 [ 287.359957][ C0] ? __pfx___mutex_trylock_common+0x10/0x10 [ 287.359987][ C0] text_poke_bp_batch+0x8cd/0xb30 [ 287.360014][ C0] ? kmem_cache_alloc_bulk_noprof+0x157/0x7c0 [ 287.360033][ C0] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 287.360059][ C0] ? arch_jump_label_transform_queue+0x9b/0x100 [ 287.360087][ C0] ? process_scheduled_works+0x976/0x1840 [ 287.360114][ C0] text_poke_finish+0x30/0x50 [ 287.360136][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 287.360162][ C0] static_key_enable_cpuslocked+0x136/0x260 [ 287.360188][ C0] static_key_enable+0x1a/0x20 [ 287.360210][ C0] toggle_allocation_gate+0xbc/0x260 [ 287.360237][ C0] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 287.360263][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.360288][ C0] process_scheduled_works+0xa66/0x1840 [ 287.360325][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 287.360355][ C0] ? assign_work+0x364/0x3d0 [ 287.360382][ C0] worker_thread+0x870/0xd30 [ 287.360404][ C0] ? __kthread_parkme+0x169/0x1d0 [ 287.360423][ C0] ? __pfx_worker_thread+0x10/0x10 [ 287.360439][ C0] kthread+0x2f0/0x390 [ 287.360458][ C0] ? __pfx_worker_thread+0x10/0x10 [ 287.360479][ C0] ? __pfx_kthread+0x10/0x10 [ 287.360499][ C0] ret_from_fork+0x4b/0x80 [ 287.360515][ C0] ? __pfx_kthread+0x10/0x10 [ 287.360534][ C0] ret_from_fork_asm+0x1a/0x30 [ 287.360565][ C0] [ 287.360573][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.670 msecs [ 287.360968][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 287.360985][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc4-syzkaller-00054-gd6ef8b40d075 #0 [ 287.361013][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.361028][ T30] Call Trace: [ 287.361037][ T30] [ 287.361047][ T30] dump_stack_lvl+0x241/0x360 [ 287.361084][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.361116][ T30] ? __pfx__printk+0x10/0x10 [ 287.361151][ T30] ? vscnprintf+0x5d/0x90 [ 287.361202][ T30] panic+0x349/0x880 [ 287.361240][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.361270][ T30] ? __pfx_panic+0x10/0x10 [ 287.361297][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 287.361331][ T30] ? __irq_work_queue_local+0x137/0x410 [ 287.361358][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 287.361385][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.361414][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 287.361446][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 287.361478][ T30] watchdog+0x1035/0x1040 [ 287.361506][ T30] ? watchdog+0x1ea/0x1040 [ 287.361537][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.361563][ T30] kthread+0x2f0/0x390 [ 287.361588][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.361613][ T30] ? __pfx_kthread+0x10/0x10 [ 287.361641][ T30] ret_from_fork+0x4b/0x80 [ 287.361664][ T30] ? __pfx_kthread+0x10/0x10 [ 287.361692][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.361740][ T30] [ 287.979049][ T30] Kernel Offset: disabled [ 287.983387][ T30] Rebooting in 86400 seconds..