./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1814231432 <...> Warning: Permanently added '10.128.1.19' (ED25519) to the list of known hosts. execve("./syz-executor1814231432", ["./syz-executor1814231432"], 0x7fff8129e540 /* 10 vars */) = 0 brk(NULL) = 0x55555866e000 brk(0x55555866ed00) = 0x55555866ed00 arch_prctl(ARCH_SET_FS, 0x55555866e380) = 0 set_tid_address(0x55555866e650) = 5841 set_robust_list(0x55555866e660, 24) = 0 rseq(0x55555866eca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1814231432", 4096) = 28 getrandom("\x8e\xaf\x4c\xe4\xcc\xb4\x12\x57", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555866ed00 brk(0x55555868fd00) = 0x55555868fd00 brk(0x555558690000) = 0x555558690000 mprotect(0x7fed2b8d2000, 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 mkdir("./syzkaller.l6UNik", 0700) = 0 chmod("./syzkaller.l6UNik", 0777) = 0 chdir("./syzkaller.l6UNik") = 0 mkdir("./0", 0777) = 0 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 5842 attached [pid 5842] set_robust_list(0x55555866e660, 24) = 0 [pid 5842] chdir("./0" [pid 5841] <... clone resumed>, child_tidptr=0x55555866e650) = 5842 [pid 5842] <... chdir resumed>) = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] setpgid(0, 0) = 0 [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1000", 4) = 4 [pid 5842] close(3) = 0 [pid 5842] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5842] write(1, "executing program\n", 18executing program ) = 18 [pid 5842] memfd_create("syzkaller", 0) = 3 [pid 5842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fed23400000 [pid 5842] 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 5842] munmap(0x7fed23400000, 138412032) = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5842] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5842] close(3) = 0 [pid 5842] close(4) = 0 [pid 5842] mkdir("./file0", 0777) = 0 [ 242.120513][ T5842] loop0: detected capacity change from 0 to 32768 [ 242.183990][ T5842] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 242.199239][ T5842] bcachefs (loop0): recovering from clean shutdown, journal seq 13 [ 242.214547][ T5842] bcachefs (loop0): accounting_read... done [ 242.220675][ T5842] bcachefs (loop0): alloc_read... done [ 242.226202][ T5842] bcachefs (loop0): stripes_read... done [ 242.231882][ T5842] bcachefs (loop0): snapshots_read... done [ 242.238876][ T5842] bcachefs (loop0): journal_replay... done [ 242.244756][ T5842] bcachefs (loop0): resume_logged_ops... done [ 242.250855][ T5842] bcachefs (loop0): delete_dead_inodes... done [ 242.257849][ T5842] bcachefs (loop0): going read-write [ 242.264639][ T5842] bcachefs (loop0): done starting filesystem [pid 5842] mount("/dev/loop0", "./file0", "bcachefs", MS_NOSUID|MS_I_VERSION|MS_LAZYTIME, "\xf5\xab\x36\x78\xb9\x9e\x86\x5d\xe2\xfe\x7c\xaf\x3a\x94\xe1\x43\xee\x83\xff\x51\x2f\xf9\x65\xd0\xcd\xd5\xfd\x11\x46") = 0 [pid 5842] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5842] chdir("./file0") = 0 [pid 5842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5842] ioctl(4, LOOP_CLR_FD) = 0 [pid 5842] close(4) = 0 [pid 5842] exit_group(0) = ? [pid 5842] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=16 /* 0.16 s */} --- umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x55555866f6f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 [ 242.265848][ T998] bcachefs (loop0 inum 4099 offset 0): data data checksum error, type chacha20_poly1305_80: got f437669dd16385080c9b should be 7179c5105bb769ac71e3 [ 242.286425][ T998] bcachefs (loop0 inum 4099 offset 0): no device to read from: no_device_to_read_from [ 242.286425][ T998] u64s 8 type extent 4099:8:U32_MAX len 8 ver 1: durability: 1 crc: c_size 8 size 8 offset 0 nonce 0 csum chacha20_poly1305_80 e371:ac69b75b10c57971 compress incompressible ptr: 0:34:0 gen 0 [ 242.315153][ T5841] bcachefs (loop0): shutting down [ 242.320195][ T5841] bcachefs (loop0): going read-only [ 242.325780][ T5841] bcachefs (loop0): finished waiting for writes to stop [ 272.674631][ T5852] Allocator stuck? Waited for 30 seconds [ 272.674643][ T5852] Allocator debug: [ 272.674647][ T5852] capacity1536 [ 272.674651][ T5852] reserved 31232 [ 272.674655][ T5852] hidden 0 [ 272.674660][ T5852] btree 0 [ 272.674664][ T5852] data 0 [ 272.674668][ T5852] cached 0 [ 272.674672][ T5852] reserved 0 [ 272.674676][ T5852] online_reserved 24 [ 272.674680][ T5852] nr_inodes 0 [ 272.674684][ T5852] [ 272.674688][ T5852] freelist_wait waiting [ 272.674692][ T5852] open buckets allocated1 [ 272.674696][ T5852] open buckets total 1024 [ 272.674700][ T5852] open_buckets_wait empty [ 272.674704][ T5852] open_buckets_btree 0 [ 272.674708][ T5852] open_buckets_user 0 [ 272.674713][ T5852] btree reserve cache 0 [ 272.674717][ T5852] [ 272.674720][ T5852] Dev 0: [ 272.674724][ T5852] buckets sectors fragmented [ 272.674729][ T5852] free 0 0 0 [ 272.674734][ T5852] sb 0 0 0 [ 272.674738][ T5852] journal 0 0 0 [ 272.674743][ T5852] btree 0 0 0 [ 272.674748][ T5852] user 0 0 0 [ 272.674752][ T5852] cached 0 0 0 [ 272.674757][ T5852] parity 0 0 0 [ 272.674762][ T5852] stripe 0 0 0 [ 272.674766][ T5852] need_gc_gens 0 0 0 [ 272.674771][ T5852] need_discard 0 0 0 [ 272.674776][ T5852] unstriped 0 0 0 [ 272.674780][ T5852] capacity 128 [ 272.674784][ T5852] [ 272.674788][ T5852] reserves: [ 272.674792][ T5852] stripe 60 [ 272.674796][ T5852] normal 58 [ 272.674800][ T5852] copygc 56 [ 272.674804][ T5852] btree 28 [ 272.674808][ T5852] btree_copygc 0 [ 272.674812][ T5852] reclaim 0 [ 272.674816][ T5852] interior_updates 0 [ 272.674820][ T5852] [ 272.674824][ T5852] open buckets 0 [ 272.674828][ T5852] buckets to invalidate 0 [ 272.674832][ T5852] [ 272.674835][ T5852] Copygc debug: [ 272.674839][ T5852] running: 0 [ 272.674843][ T5852] copygc_wait:0 [ 272.674847][ T5852] copygc_wait_at:0 [ 272.674851][ T5852] Currently waiting for:0 B [ 272.674855][ T5852] Currently waiting since:640 KiB [ 272.674859][ T5852] Currently calculated wait:0 B [ 272.674863][ T5852] [ 272.674867][ T5852] Journal debug: [ 272.674870][ T5852] flags: replay_done,running,may_skip_flush,need_flush_write [ 272.674876][ T5852] dirty journal entries: 0/32768 [ 272.674880][ T5852] seq: 13 [ 272.674884][ T5852] seq_ondisk: 13 [ 272.674889][ T5852] last_seq: 14 [ 272.674893][ T5852] last_seq_ondisk: 14 [ 272.674897][ T5852] flushed_seq_ondisk: 13 [ 272.674901][ T5852] watermark: stripe [ 272.674905][ T5852] each entry reserved: 321 [ 272.674909][ T5852] nr flush writes: 0 [ 272.674913][ T5852] nr noflush writes: 0 [ 272.674917][ T5852] average write size: 0 B [ 272.674922][ T5852] nr direct reclaim: 0 [ 272.674926][ T5852] nr background reclaim: 0 [ 272.674930][ T5852] reclaim kicked: 0 [ 272.674972][ T5852] reclaim runs in: 0 ms [ 272.674976][ T5852] blocked: 0 [ 272.674981][ T5852] current entry sectors: 256 [ 272.674985][ T5852] current entry error: ok [ 272.674989][ T5852] current entry: closed [ 272.674993][ T5852] unwritten entries: [ 272.674997][ T5852] last buf closed [ 272.675001][ T5852] space: [ 272.675005][ T5852] discarded 256:1792 [ 272.675009][ T5852] clean ondisk 256:1792 [ 272.675013][ T5852] clean 256:1792 [ 272.675017][ T5852] total 256:2048 [ 272.675022][ T5852] dev 0: [ 272.675026][ T5852] nr 8 [ 272.675030][ T5852] bucket size 256 [ 272.675034][ T5852] available 6:256 [ 272.675039][ T5852] discard_idx 0 [ 272.675043][ T5852] dirty_ondisk 0 (seq 0) [ 272.675047][ T5852] dirty_idx 0 (seq 0) [ 272.675051][ T5852] cur_idx 0 (seq 0) [ 272.675056][ T5852] [ 430.104317][ T30] INFO: task syz-executor181:5841 blocked for more than 143 seconds. [ 430.112412][ T30] Not tainted 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0 [ 430.120133][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 430.128887][ T30] task:syz-executor181 state:D stack:24688 pid:5841 tgid:5841 ppid:5838 flags:0x00004002 [ 430.139231][ T30] Call Trace: [ 430.142527][ T30] [ 430.145488][ T30] __schedule+0x17fb/0x4be0 [ 430.150009][ T30] ? rcu_is_watching+0x15/0xb0 [ 430.154816][ T30] ? schedule+0x90/0x320 [ 430.159067][ T30] ? lock_release+0xbf/0xa30 [ 430.163650][ T30] ? __pfx___schedule+0x10/0x10 [ 430.168522][ T30] ? rcu_is_watching+0x15/0xb0 [ 430.173294][ T30] ? __pfx_lock_release+0x10/0x10 [ 430.178362][ T30] ? lock_acquire+0xe3/0x550 [ 430.182958][ T30] ? rcu_is_watching+0x15/0xb0 [ 430.187773][ T30] ? schedule+0x90/0x320 [ 430.192086][ T30] schedule+0x14b/0x320 [ 430.196368][ T30] schedule_timeout+0xb0/0x290 [ 430.201148][ T30] ? __pfx_schedule_timeout+0x10/0x10 [ 430.206564][ T30] ? wait_for_completion+0x2fe/0x620 [ 430.211859][ T30] ? rcu_is_watching+0x15/0xb0 [ 430.216652][ T30] ? wait_for_completion+0x2fe/0x620 [ 430.221944][ T30] ? wait_for_completion+0x2fe/0x620 [ 430.227251][ T30] wait_for_completion+0x355/0x620 [ 430.232372][ T30] ? __pfx_wait_for_completion+0x10/0x10 [ 430.238101][ T30] ? synchronize_rcu+0x11b/0x360 [ 430.243072][ T30] ? kthread_unpark+0xd0/0x290 [ 430.247871][ T30] kthread_stop+0x19e/0x640 [ 430.252384][ T30] bch2_copygc_stop+0x4f/0x150 [ 430.257203][ T30] __bch2_fs_read_only+0x47/0x450 [ 430.262235][ T30] bch2_fs_read_only+0xb57/0x1200 [ 430.267292][ T30] ? __pfx_bch2_fs_read_only+0x10/0x10 [ 430.272755][ T30] ? __bch2_print+0x17a/0x220 [ 430.277466][ T30] ? down_write+0x18c/0x220 [ 430.281974][ T30] ? __pfx_down_write+0x10/0x10 [ 430.286840][ T30] ? hook_sb_delete+0xaa0/0xbd0 [ 430.291698][ T30] __bch2_fs_stop+0x105/0x5c0 [ 430.296414][ T30] ? __pfx___bch2_fs_stop+0x10/0x10 [ 430.301620][ T30] ? __pfx_evict_inodes+0x10/0x10 [ 430.306666][ T30] ? bch2_sync_fs+0x155/0x300 [ 430.311350][ T30] ? __pfx_bch2_put_super+0x10/0x10 [ 430.316573][ T30] generic_shutdown_super+0x139/0x2d0 [ 430.321949][ T30] bch2_kill_sb+0x41/0x50 [ 430.326306][ T30] deactivate_locked_super+0xc4/0x130 [ 430.331686][ T30] cleanup_mnt+0x41f/0x4b0 [ 430.336133][ T30] task_work_run+0x24f/0x310 [ 430.340842][ T30] ? __pfx_task_work_run+0x10/0x10 [ 430.345970][ T30] ? path_umount+0x211/0xf80 [ 430.350579][ T30] ptrace_notify+0x2d2/0x380 [ 430.355206][ T30] ? user_path_at+0x44/0x60 [ 430.359714][ T30] ? __pfx_ptrace_notify+0x10/0x10 [ 430.364856][ T30] ? kmem_cache_free+0x195/0x410 [ 430.369809][ T30] ? __x64_sys_umount+0x123/0x170 [ 430.374870][ T30] syscall_exit_work+0xc7/0x1d0 [ 430.379728][ T30] syscall_exit_to_user_mode+0x24a/0x340 [ 430.385523][ T30] do_syscall_64+0x100/0x230 [ 430.390122][ T30] ? clear_bhb_loop+0x35/0x90 [ 430.394825][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.400734][ T30] RIP: 0033:0x7fed2b850347 [ 430.405245][ T30] RSP: 002b:00007ffcd723c028 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 430.413681][ T30] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fed2b850347 [ 430.421694][ T30] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcd723c0e0 [ 430.429686][ T30] RBP: 00007ffcd723c0e0 R08: 0000000000000000 R09: 0000000000000000 [ 430.437690][ T30] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffcd723d140 [ 430.445683][ T30] R13: 000055555866f6c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 430.453657][ T30] [ 430.456728][ T30] INFO: task bch-copygc/loop:5852 blocked for more than 143 seconds. [ 430.464809][ T30] Not tainted 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0 [ 430.472422][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 430.481117][ T30] task:bch-copygc/loop state:D stack:20208 pid:5852 tgid:5852 ppid:2 flags:0x00024000 [ 430.491333][ T30] Call Trace: [ 430.494651][ T30] [ 430.497590][ T30] __schedule+0x17fb/0x4be0 [ 430.502112][ T30] ? schedule+0x90/0x320 [ 430.506392][ T30] ? lock_release+0xbf/0xa30 [ 430.510983][ T30] ? __pfx___schedule+0x10/0x10 [ 430.515857][ T30] ? bch2_printbuf_exit+0x6d/0xa0 [ 430.520887][ T30] ? __pfx_lock_release+0x10/0x10 [ 430.525932][ T30] ? bch2_print_allocator_stuck+0x165/0xcb0 [ 430.531838][ T30] ? bch2_print_allocator_stuck+0xc24/0xcb0 [ 430.537761][ T30] ? schedule+0x90/0x320 [ 430.542008][ T30] schedule+0x14b/0x320 [ 430.546178][ T30] __closure_sync+0x259/0x2f0 [ 430.550860][ T30] ? __closure_sync+0x149/0x2f0 [ 430.555737][ T30] ? __pfx___closure_sync+0x10/0x10 [ 430.560941][ T30] ? __bch2_wait_on_allocator+0x1d6/0x250 [ 430.566690][ T30] __bch2_write+0x562a/0x5dd0 [ 430.571377][ T30] ? rcu_is_watching+0x15/0xb0 [ 430.576177][ T30] ? rcu_is_watching+0x15/0xb0 [ 430.580947][ T30] ? rcu_is_watching+0x15/0xb0 [ 430.585736][ T30] ? __pfx___bch2_write+0x10/0x10 [ 430.590768][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 430.595820][ T30] ? __pfx_lock_release+0x10/0x10 [ 430.600849][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 430.607211][ T30] ? rcu_is_watching+0x15/0xb0 [ 430.611992][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 430.617917][ T30] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 430.624295][ T30] ? stack_trace_save+0x118/0x1d0 [ 430.629319][ T30] ? stack_depot_save_flags+0x7b4/0x940 [ 430.634888][ T30] bch2_write+0x9b5/0x1760 [ 430.639314][ T30] ? __pfx_bch2_write+0x10/0x10 [ 430.644185][ T30] ? bch2_data_update_read_done+0xfd/0x330 [ 430.649995][ T30] bch2_data_update_read_done+0x22e/0x330 [ 430.655743][ T30] ? __pfx_bch2_data_update_read_done+0x10/0x10 [ 430.661990][ T30] ? bch2_trans_srcu_unlock+0x57/0x5c0 [ 430.667467][ T30] bch2_moving_ctxt_do_pending_writes+0x44c/0x8d0 [ 430.673893][ T30] ? __pfx_bch2_moving_ctxt_do_pending_writes+0x10/0x10 [ 430.680854][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 430.686775][ T30] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 430.693091][ T30] ? finish_wait+0xd4/0x1e0 [ 430.697619][ T30] move_buckets_wait+0x2ba/0x1290 [ 430.702650][ T30] ? __pfx_move_buckets_wait+0x10/0x10 [ 430.708124][ T30] ? percpu_ref_put+0x18b/0x250 [ 430.713158][ T30] ? bch2_get_next_online_dev+0x90/0x4f0 [ 430.719001][ T30] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 430.724654][ T30] ? __pfx_autoremove_wake_function+0x10/0x10 [ 430.730708][ T30] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 430.736460][ T30] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 430.742109][ T30] bch2_copygc_thread+0x83f/0xc10 [ 430.747172][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 430.752724][ T30] ? bch2_copygc_thread+0x1a1/0xc10 [ 430.757991][ T30] ? rcu_is_watching+0x15/0xb0 [ 430.762769][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 430.768687][ T30] ? __kthread_parkme+0x169/0x1d0 [ 430.773714][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 430.779430][ T30] kthread+0x2f0/0x390 [ 430.783509][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 430.789074][ T30] ? __pfx_kthread+0x10/0x10 [ 430.793671][ T30] ret_from_fork+0x4b/0x80 [ 430.798118][ T30] ? __pfx_kthread+0x10/0x10 [ 430.802713][ T30] ret_from_fork_asm+0x1a/0x30 [ 430.807508][ T30] [ 430.810540][ T30] INFO: lockdep is turned off. [ 430.815350][ T30] NMI backtrace for cpu 0 [ 430.819686][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0 [ 430.830167][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 430.840216][ T30] Call Trace: [ 430.843491][ T30] [ 430.846409][ T30] dump_stack_lvl+0x241/0x360 [ 430.851077][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 430.856260][ T30] ? __pfx__printk+0x10/0x10 [ 430.860836][ T30] ? __pfx_rcu_preempt_deferred_qs_irqrestore+0x10/0x10 [ 430.867758][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 430.872683][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 430.878121][ T30] ? _printk+0xd5/0x120 [ 430.882264][ T30] ? __pfx_rcu_read_unlock_special+0x10/0x10 [ 430.888246][ T30] ? __pfx__printk+0x10/0x10 [ 430.893257][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 430.899241][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 430.905211][ T30] watchdog+0xff6/0x1040 [ 430.909438][ T30] ? watchdog+0x1ea/0x1040 [ 430.913833][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.918491][ T30] kthread+0x2f0/0x390 [ 430.922545][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.927212][ T30] ? __pfx_kthread+0x10/0x10 [ 430.931784][ T30] ret_from_fork+0x4b/0x80 [ 430.936176][ T30] ? __pfx_kthread+0x10/0x10 [ 430.940744][ T30] ret_from_fork_asm+0x1a/0x30 [ 430.945496][ T30] [ 430.948643][ T30] Sending NMI from CPU 0 to CPUs 1: [ 430.953879][ C1] NMI backtrace for cpu 1 [ 430.953892][ C1] CPU: 1 UID: 0 PID: 3448 Comm: kworker/u8:6 Not tainted 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0 [ 430.953911][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 430.953921][ C1] Workqueue: events_unbound toggle_allocation_gate [ 430.953947][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 [ 430.953965][ C1] Code: 8b 3d 44 b1 8d 0c 48 89 de 5b e9 63 70 58 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0c 25 80 d4 03 00 65 8b 15 50 62 64 7e 81 e2 00 01 ff 00 [ 430.953978][ C1] RSP: 0018:ffffc9000c5f76d8 EFLAGS: 00000202 [ 430.953991][ C1] RAX: ffffffff81938fcb RBX: 1ffff110170c8c65 RCX: ffff8880316a9e00 [ 430.954004][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 430.954013][ C1] RBP: ffffc9000c5f78e0 R08: ffffffff81938f9a R09: 1ffffffff2030b26 [ 430.954025][ C1] R10: dffffc0000000000 R11: fffffbfff2030b27 R12: dffffc0000000000 [ 430.954037][ C1] R13: ffff8880b8646328 R14: ffff8880b873f940 R15: 0000000000000000 [ 430.954048][ C1] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 430.954065][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.954076][ C1] CR2: 000055e826330680 CR3: 000000000e736000 CR4: 00000000003526f0 [ 430.954090][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 430.954099][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 430.954109][ C1] Call Trace: [ 430.954115][ C1] [ 430.954121][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 430.954140][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 430.954164][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 430.954188][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 430.954209][ C1] ? nmi_handle+0x14f/0x5a0 [ 430.954226][ C1] ? nmi_handle+0x2a/0x5a0 [ 430.954242][ C1] ? __sanitizer_cov_trace_pc+0x8/0x70 [ 430.954257][ C1] ? default_do_nmi+0x63/0x160 [ 430.954274][ C1] ? exc_nmi+0x123/0x1f0 [ 430.954291][ C1] ? end_repeat_nmi+0xf/0x53 [ 430.954308][ C1] ? smp_call_function_many_cond+0x19da/0x2c60 [ 430.954328][ C1] ? smp_call_function_many_cond+0x1a0b/0x2c60 [ 430.954349][ C1] ? __sanitizer_cov_trace_pc+0x8/0x70 [ 430.954364][ C1] ? __sanitizer_cov_trace_pc+0x8/0x70 [ 430.954379][ C1] ? __sanitizer_cov_trace_pc+0x8/0x70 [ 430.954393][ C1] [ 430.954398][ C1] [ 430.954403][ C1] smp_call_function_many_cond+0x1a0b/0x2c60 [ 430.954427][ C1] ? __pfx_do_sync_core+0x10/0x10 [ 430.954450][ C1] ? kmem_cache_alloc_bulk_noprof+0x156/0x7c0 [ 430.954469][ C1] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 430.954489][ C1] ? __pfx_perf_event_text_poke+0x10/0x10 [ 430.954506][ C1] ? __pfx___mutex_trylock_common+0x10/0x10 [ 430.954527][ C1] ? __pfx_do_sync_core+0x10/0x10 [ 430.954546][ C1] on_each_cpu_cond_mask+0x3f/0x80 [ 430.954566][ C1] text_poke_bp_batch+0x726/0xb30 [ 430.954588][ C1] ? kmem_cache_alloc_bulk_noprof+0x157/0x7c0 [ 430.954605][ C1] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 430.954626][ C1] ? arch_jump_label_transform_queue+0x9b/0x100 [ 430.954649][ C1] ? process_scheduled_works+0x976/0x1840 [ 430.954673][ C1] text_poke_finish+0x30/0x50 [ 430.954691][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 430.954712][ C1] static_key_enable_cpuslocked+0x136/0x260 [ 430.954734][ C1] static_key_enable+0x1a/0x20 [ 430.954752][ C1] toggle_allocation_gate+0xbc/0x260 [ 430.954774][ C1] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 430.954795][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 430.954815][ C1] process_scheduled_works+0xa66/0x1840 [ 430.954846][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 430.954869][ C1] ? __pfx__raw_spin_lock_irq+0x10/0x10 [ 430.954889][ C1] ? assign_work+0x364/0x3d0 [ 430.954909][ C1] worker_thread+0x870/0xd30 [ 430.954924][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 430.954942][ C1] ? __kthread_parkme+0x169/0x1d0 [ 430.954959][ C1] ? __pfx_worker_thread+0x10/0x10 [ 430.954973][ C1] kthread+0x2f0/0x390 [ 430.954989][ C1] ? __pfx_worker_thread+0x10/0x10 [ 430.955003][ C1] ? __pfx_kthread+0x10/0x10 [ 430.955019][ C1] ret_from_fork+0x4b/0x80 [ 430.955033][ C1] ? __pfx_kthread+0x10/0x10 [ 430.955049][ C1] ret_from_fork_asm+0x1a/0x30 [ 430.955075][ C1] [ 430.955082][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.203 msecs [ 430.955925][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 430.955937][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0 [ 430.955958][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 430.955968][ T30] Call Trace: [ 430.955976][ T30] [ 430.955983][ T30] dump_stack_lvl+0x241/0x360 [ 430.956006][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 430.956026][ T30] ? __pfx__printk+0x10/0x10 [ 430.956048][ T30] ? vscnprintf+0x5d/0x90 [ 430.956068][ T30] panic+0x349/0x880 [ 430.956087][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 430.956108][ T30] ? __pfx_panic+0x10/0x10 [ 430.956125][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 430.956146][ T30] ? __irq_work_queue_local+0x137/0x410 [ 430.956165][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 430.956182][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 430.956203][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 430.956223][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 430.956243][ T30] watchdog+0x1035/0x1040 [ 430.956261][ T30] ? watchdog+0x1ea/0x1040 [ 430.956280][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.956297][ T30] kthread+0x2f0/0x390 [ 430.956315][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.956332][ T30] ? __pfx_kthread+0x10/0x10 [ 430.956350][ T30] ret_from_fork+0x4b/0x80 [ 430.956365][ T30] ? __pfx_kthread+0x10/0x10 [ 430.956383][ T30] ret_from_fork_asm+0x1a/0x30 [ 430.956409][ T30] [ 431.524639][ T30] Kernel Offset: disabled [ 431.528957][ T30] Rebooting in 86400 seconds..