./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3069943036 <...> Warning: Permanently added '10.128.0.140' (ED25519) to the list of known hosts. execve("./syz-executor3069943036", ["./syz-executor3069943036"], 0x7fff4c4d72b0 /* 10 vars */) = 0 brk(NULL) = 0x555578fe3000 brk(0x555578fe3d00) = 0x555578fe3d00 arch_prctl(ARCH_SET_FS, 0x555578fe3380) = 0 set_tid_address(0x555578fe3650) = 5831 set_robust_list(0x555578fe3660, 24) = 0 rseq(0x555578fe3ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3069943036", 4096) = 28 getrandom("\xbc\x06\x90\x18\xaa\xd5\xb9\x09", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555578fe3d00 brk(0x555579004d00) = 0x555579004d00 brk(0x555579005000) = 0x555579005000 mprotect(0x7f36e6c1a000, 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.elfBOr", 0700) = 0 chmod("./syzkaller.elfBOr", 0777) = 0 chdir("./syzkaller.elfBOr") = 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 5832 attached [pid 5832] set_robust_list(0x555578fe3660, 24 [pid 5831] <... clone resumed>, child_tidptr=0x555578fe3650) = 5832 [pid 5832] <... set_robust_list resumed>) = 0 [pid 5832] chdir("./0") = 0 [pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5832] setpgid(0, 0) = 0 [pid 5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] write(3, "1000", 4) = 4 [pid 5832] close(3) = 0 [pid 5832] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5832] write(1, "executing program\n", 18executing program ) = 18 [pid 5832] memfd_create("syzkaller", 0) = 3 [pid 5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f36de600000 [pid 5832] 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 5832] munmap(0x7f36de600000, 138412032) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5832] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5832] close(3) = 0 [pid 5832] close(4) = 0 [pid 5832] mkdir("./file0", 0777) = 0 [ 83.307215][ T5832] loop0: detected capacity change from 0 to 32768 [ 83.379552][ T5832] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 83.395237][ T5832] bcachefs (loop0): recovering from clean shutdown, journal seq 13 [ 83.415308][ T5832] bcachefs (loop0): accounting_read... done [ 83.421865][ T5832] bcachefs (loop0): alloc_read... done [pid 5832] mount("/dev/loop0", "./file0", "bcachefs", 0, "\x10\xf7\xe7\xab\x27\x5e\x7b\x9e\xc1\x8a\x06\x63\x35\x54\xe2\xf6\xfa\xd2\xf9\xfb\xc1\x7a\x1b\x2f\xed\xc7\xf5\x95") = 0 [pid 5832] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 83.427443][ T5832] bcachefs (loop0): stripes_read... done [ 83.433400][ T5832] bcachefs (loop0): snapshots_read... done [ 83.441915][ T5832] bcachefs (loop0): journal_replay... done [ 83.447928][ T5832] bcachefs (loop0): resume_logged_ops... done [ 83.454195][ T5832] bcachefs (loop0): delete_dead_inodes... done [ 83.462769][ T5832] bcachefs (loop0): going read-write [ 83.473496][ T5832] bcachefs (loop0): done starting filesystem [pid 5832] chdir("./file0") = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5832] ioctl(4, LOOP_CLR_FD) = 0 [pid 5832] close(4) = 0 [pid 5832] exit_group(0) = ? [pid 5832] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5832, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 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, 0x555578fe46f0 /* 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 [ 83.612419][ T5831] bcachefs (loop0): shutting down [ 83.617577][ T5831] bcachefs (loop0): going read-only [ 83.623201][ T5831] bcachefs (loop0): finished waiting for writes to stop [ 86.202554][ T8] cfg80211: failed to load regulatory.db [ 113.731039][ T5842] Allocator stuck? Waited for 30 seconds [ 113.731057][ T5842] Allocator debug: [ 113.731066][ T5842] capacity1536 [ 113.731075][ T5842] reserved 31232 [ 113.731092][ T5842] hidden 0 [ 113.731102][ T5842] btree 0 [ 113.731111][ T5842] data 0 [ 113.731121][ T5842] cached 0 [ 113.731130][ T5842] reserved 0 [ 113.731140][ T5842] online_reserved 24 [ 113.731149][ T5842] nr_inodes 0 [ 113.731159][ T5842] [ 113.731167][ T5842] freelist_wait waiting [ 113.731177][ T5842] open buckets allocated1 [ 113.731186][ T5842] open buckets total 1024 [ 113.731196][ T5842] open_buckets_wait empty [ 113.731205][ T5842] open_buckets_btree 0 [ 113.731215][ T5842] open_buckets_user 0 [ 113.731224][ T5842] btree reserve cache 0 [ 113.731234][ T5842] [ 113.731242][ T5842] Dev 0: [ 113.731251][ T5842] buckets sectors fragmented [ 113.731262][ T5842] free 0 0 0 [ 113.731273][ T5842] sb 0 0 0 [ 113.731284][ T5842] journal 0 0 0 [ 113.731295][ T5842] btree 0 0 0 [ 113.731306][ T5842] user 0 0 0 [ 113.731317][ T5842] cached 0 0 0 [ 113.731330][ T5842] parity 0 0 0 [ 113.731345][ T5842] stripe 0 0 0 [ 113.731360][ T5842] need_gc_gens 0 0 0 [ 113.731372][ T5842] need_discard 0 0 0 [ 113.731383][ T5842] unstriped 0 0 0 [ 113.731394][ T5842] capacity 128 [ 113.731403][ T5842] [ 113.731412][ T5842] reserves: [ 113.731421][ T5842] stripe 60 [ 113.731430][ T5842] normal 58 [ 113.731440][ T5842] copygc 56 [ 113.731450][ T5842] btree 28 [ 113.731459][ T5842] btree_copygc 0 [ 113.731469][ T5842] reclaim 0 [ 113.731478][ T5842] interior_updates 0 [ 113.731488][ T5842] [ 113.731496][ T5842] open buckets 0 [ 113.731506][ T5842] buckets to invalidate 0 [ 113.731516][ T5842] [ 113.731524][ T5842] Copygc debug: [ 113.731533][ T5842] running: 1 [ 113.731542][ T5842] copygc_wait:0 [ 113.731551][ T5842] copygc_wait_at:0 [ 113.731560][ T5842] Currently waiting for:0 B [ 113.731570][ T5842] Currently waiting since:640 KiB [ 113.731579][ T5842] Currently calculated wait:0 B [ 113.731590][ T5842] [ 113.731598][ T5842] Journal debug: [ 113.731607][ T5842] flags: replay_done,running,may_skip_flush,need_flush_write [ 113.731619][ T5842] dirty journal entries: 0/32768 [ 113.731629][ T5842] seq: 13 [ 113.731639][ T5842] seq_ondisk: 13 [ 113.731649][ T5842] last_seq: 14 [ 113.731658][ T5842] last_seq_ondisk: 14 [ 113.731668][ T5842] flushed_seq_ondisk: 13 [ 113.731677][ T5842] watermark: stripe [ 113.731687][ T5842] each entry reserved: 321 [ 113.731697][ T5842] nr flush writes: 0 [ 113.731707][ T5842] nr noflush writes: 0 [ 113.731716][ T5842] average write size: 0 B [ 113.731726][ T5842] nr direct reclaim: 0 [ 113.731735][ T5842] nr background reclaim: 0 [ 113.731745][ T5842] reclaim kicked: 0 [ 113.731755][ T5842] reclaim runs in: 0 ms [ 113.731764][ T5842] blocked: 0 [ 113.731774][ T5842] current entry sectors: 256 [ 113.731784][ T5842] current entry error: ok [ 113.731793][ T5842] current entry: closed [ 113.731803][ T5842] unwritten entries: [ 113.731812][ T5842] last buf closed [ 113.731822][ T5842] space: [ 113.731830][ T5842] discarded 256:1792 [ 113.731840][ T5842] clean ondisk 256:1792 [ 113.731850][ T5842] clean 256:1792 [ 113.731860][ T5842] total 256:2048 [ 113.731870][ T5842] dev 0: [ 113.731879][ T5842] nr 8 [ 113.731888][ T5842] bucket size 256 [ 113.731898][ T5842] available 6:256 [ 113.731908][ T5842] discard_idx 0 [ 113.731917][ T5842] dirty_ondisk 0 (seq 0) [ 113.731927][ T5842] dirty_idx 0 (seq 0) [ 113.731937][ T5842] cur_idx 0 (seq 0) [ 113.731947][ T5842] [ 285.880437][ T30] INFO: task syz-executor306:5831 blocked for more than 143 seconds. [ 285.888654][ T30] Not tainted 6.13.0-rc5-syzkaller-00163-gab75170520d4 #0 [ 285.896397][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.905658][ T30] task:syz-executor306 state:D stack:23840 pid:5831 tgid:5831 ppid:5828 flags:0x00004002 [ 285.916001][ T30] Call Trace: [ 285.919484][ T30] [ 285.922549][ T30] __schedule+0x1850/0x4c30 [ 285.927153][ T30] ? __pfx___schedule+0x10/0x10 [ 285.932400][ T30] ? __pfx_lock_release+0x10/0x10 [ 285.937679][ T30] ? schedule+0x90/0x320 [ 285.942031][ T30] schedule+0x14b/0x320 [ 285.946316][ T30] schedule_timeout+0xb0/0x290 [ 285.951180][ T30] ? __pfx_schedule_timeout+0x10/0x10 [ 285.956589][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 285.962649][ T30] ? wait_for_completion+0x2fe/0x620 [ 285.967966][ T30] ? wait_for_completion+0x2fe/0x620 [ 285.973351][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 285.978588][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 285.984292][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 285.989527][ T30] ? wait_for_completion+0x2fe/0x620 [ 285.995005][ T30] wait_for_completion+0x355/0x620 [ 286.000446][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.006113][ T30] ? __pfx_wait_for_completion+0x10/0x10 [ 286.011851][ T30] ? synchronize_rcu+0x11b/0x360 [ 286.016831][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.022589][ T30] ? kthread_unpark+0xd0/0x290 [ 286.027409][ T30] kthread_stop+0x19e/0x640 [ 286.032048][ T30] bch2_copygc_stop+0x4f/0x150 [ 286.036862][ T30] __bch2_fs_read_only+0x47/0x450 [ 286.042008][ T30] bch2_fs_read_only+0xb57/0x1200 [ 286.047115][ T30] ? __pfx_bch2_fs_read_only+0x10/0x10 [ 286.052730][ T30] ? __bch2_print+0x17a/0x220 [ 286.057628][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.063330][ T30] ? down_write+0x18c/0x220 [ 286.067893][ T30] ? __pfx_down_write+0x10/0x10 [ 286.072852][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.078519][ T30] ? hook_sb_delete+0xaa0/0xbd0 [ 286.083456][ T30] __bch2_fs_stop+0x105/0x5c0 [ 286.088208][ T30] ? __pfx___bch2_fs_stop+0x10/0x10 [ 286.093537][ T30] ? __pfx_evict_inodes+0x10/0x10 [ 286.098602][ T30] ? bch2_sync_fs+0x155/0x300 [ 286.103356][ T30] ? __pfx_bch2_put_super+0x10/0x10 [ 286.108582][ T30] generic_shutdown_super+0x13b/0x2d0 [ 286.114076][ T30] bch2_kill_sb+0x41/0x50 [ 286.118463][ T30] deactivate_locked_super+0xc6/0x130 [ 286.123911][ T30] cleanup_mnt+0x41f/0x4b0 [ 286.128398][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.134143][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.139433][ T30] task_work_run+0x251/0x310 [ 286.144116][ T30] ? __pfx_task_work_run+0x10/0x10 [ 286.149263][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.155028][ T30] ? path_umount+0x284/0xf70 [ 286.159670][ T30] ptrace_notify+0x2d2/0x380 [ 286.164363][ T30] ? __pfx_ptrace_notify+0x10/0x10 [ 286.169522][ T30] ? kmem_cache_free+0x195/0x410 [ 286.174603][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.180305][ T30] ? __x64_sys_umount+0x123/0x170 [ 286.185340][ T30] syscall_exit_work+0xc7/0x1d0 [ 286.190309][ T30] syscall_exit_to_user_mode+0x24a/0x340 [ 286.195980][ T30] do_syscall_64+0x100/0x230 [ 286.200644][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.206576][ T30] RIP: 0033:0x7f36e6b98347 [ 286.211085][ T30] RSP: 002b:00007ffc297e99d8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 286.219530][ T30] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f36e6b98347 [ 286.227570][ T30] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc297e9a90 [ 286.235606][ T30] RBP: 00007ffc297e9a90 R08: 0000000000000000 R09: 0000000000000000 [ 286.243687][ T30] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc297eaaf0 [ 286.251700][ T30] R13: 0000555578fe46c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 286.259686][ T30] [ 286.262786][ T30] INFO: task bch-copygc/loop:5842 blocked for more than 143 seconds. [ 286.271036][ T30] Not tainted 6.13.0-rc5-syzkaller-00163-gab75170520d4 #0 [ 286.278685][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.287468][ T30] task:bch-copygc/loop state:D stack:18800 pid:5842 tgid:5842 ppid:2 flags:0x00024000 [ 286.297749][ T30] Call Trace: [ 286.301113][ T30] [ 286.304101][ T30] __schedule+0x1850/0x4c30 [ 286.308615][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.314675][ T30] ? __pfx___schedule+0x10/0x10 [ 286.319561][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.325281][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.330382][ T30] ? bch2_print_allocator_stuck+0x165/0xcb0 [ 286.336298][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.342030][ T30] ? bch2_print_allocator_stuck+0xc24/0xcb0 [ 286.347960][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.353668][ T30] ? schedule+0x90/0x320 [ 286.357951][ T30] schedule+0x14b/0x320 [ 286.362396][ T30] __closure_sync+0x259/0x2f0 [ 286.367133][ T30] ? __closure_sync+0x149/0x2f0 [ 286.372050][ T30] ? __pfx___closure_sync+0x10/0x10 [ 286.377291][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.383010][ T30] ? __bch2_wait_on_allocator+0x1d6/0x250 [ 286.388766][ T30] __bch2_write+0x562a/0x5dd0 [ 286.393545][ T30] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 286.399731][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.405495][ T30] ? __pfx___bch2_write+0x10/0x10 [ 286.410577][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.416220][ T30] ? __bch2_read_extent+0x3075/0x4850 [ 286.421716][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.427387][ T30] ? __pfx___bch2_read_extent+0x10/0x10 [ 286.433029][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.438692][ T30] ? __pfx___mutex_trylock_common+0x10/0x10 [ 286.444681][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.449739][ T30] bch2_write+0x9b5/0x1760 [ 286.454237][ T30] ? __pfx_bch2_write+0x10/0x10 [ 286.459117][ T30] ? bch2_trans_srcu_unlock+0x43e/0x5c0 [ 286.464775][ T30] ? bch2_data_update_read_done+0xfd/0x330 [ 286.470672][ T30] bch2_data_update_read_done+0x22e/0x330 [ 286.476412][ T30] ? __pfx_bch2_data_update_read_done+0x10/0x10 [ 286.482778][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.488432][ T30] ? bch2_trans_srcu_unlock+0x44d/0x5c0 [ 286.494052][ T30] bch2_moving_ctxt_do_pending_writes+0x44c/0x8d0 [ 286.500556][ T30] ? __pfx_bch2_moving_ctxt_do_pending_writes+0x10/0x10 [ 286.507536][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.513312][ T30] ? bch2_backpointer_get_key+0x434/0x970 [ 286.519094][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.524828][ T30] bch2_move_ratelimit+0x76c/0xeb0 [ 286.529972][ T30] ? bch2_move_get_io_opts_one+0x292/0xb90 [ 286.535855][ T30] ? __pfx_bch2_move_ratelimit+0x10/0x10 [ 286.541573][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.547212][ T30] ? bch2_path_put+0xfe1/0x2150 [ 286.552175][ T30] ? __asan_memset+0x23/0x50 [ 286.556805][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.562559][ T30] bch2_evacuate_bucket+0x26b3/0x3610 [ 286.567997][ T30] ? bch2_evacuate_bucket+0x30e/0x3610 [ 286.573559][ T30] ? __pfx_bch2_evacuate_bucket+0x10/0x10 [ 286.579317][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.585319][ T30] ? __pfx_register_lock_class+0x10/0x10 [ 286.591062][ T30] ? stack_trace_save+0x118/0x1d0 [ 286.596105][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.601830][ T30] ? bch2_backpointer_get_key+0x2b0/0x970 [ 286.607591][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.613301][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.618366][ T30] ? bch2_copygc+0x435/0x4c90 [ 286.623143][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.629171][ T30] bch2_copygc+0x42c1/0x4c90 [ 286.633878][ T30] ? bch2_copygc+0x435/0x4c90 [ 286.638621][ T30] ? __pfx_bch2_copygc+0x10/0x10 [ 286.643668][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.649330][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.654418][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.659481][ T30] ? bch2_copygc+0x435/0x4c90 [ 286.664246][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.669902][ T30] ? bch2_copygc_wait_amount+0xc90/0xcf0 [ 286.675635][ T30] ? bch2_copygc+0x435/0x4c90 [ 286.680431][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.686144][ T30] ? bch2_trans_srcu_unlock+0x44d/0x5c0 [ 286.691802][ T30] bch2_copygc_thread+0x736/0xc10 [ 286.696877][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.702723][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 286.708305][ T30] ? bch2_copygc_thread+0x1a1/0xc10 [ 286.713647][ T30] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 286.719573][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.725469][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.730765][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 286.736671][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.742376][ T30] ? __kthread_parkme+0x169/0x1d0 [ 286.747430][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 286.753044][ T30] kthread+0x2f2/0x390 [ 286.757145][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 286.762778][ T30] ? __pfx_kthread+0x10/0x10 [ 286.767662][ T30] ret_from_fork+0x4d/0x80 [ 286.772129][ T30] ? __pfx_kthread+0x10/0x10 [ 286.776764][ T30] ret_from_fork_asm+0x1a/0x30 [ 286.781787][ T30] [ 286.784849][ T30] [ 286.784849][ T30] Showing all locks held in the system: [ 286.792610][ T30] 1 lock held by khungtaskd/30: [ 286.797470][ T30] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 286.807453][ T30] 1 lock held by klogd/5189: [ 286.812102][ T30] #0: ffff8880b873e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 [ 286.822271][ T30] 2 locks held by getty/5593: [ 286.826973][ T30] #0: ffff8880352120a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.836942][ T30] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 286.847197][ T30] 2 locks held by syz-executor306/5831: [ 286.852794][ T30] #0: ffff888034f8c0e0 (&type->s_umount_key#42){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 [ 286.863136][ T30] #1: ffff888074f00278 (&c->state_lock){+.+.}-{4:4}, at: __bch2_fs_stop+0xfd/0x5c0 [ 286.872717][ T30] [ 286.875143][ T30] ============================================= [ 286.875143][ T30] [ 286.883652][ T30] NMI backtrace for cpu 0 [ 286.887991][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc5-syzkaller-00163-gab75170520d4 #0 [ 286.898488][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 286.908537][ T30] Call Trace: [ 286.911807][ T30] [ 286.914734][ T30] dump_stack_lvl+0x241/0x360 [ 286.919422][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 286.924623][ T30] ? __pfx__printk+0x10/0x10 [ 286.929228][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 286.934170][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 286.939630][ T30] ? _printk+0xd5/0x120 [ 286.943798][ T30] ? __pfx__printk+0x10/0x10 [ 286.948398][ T30] ? __wake_up_klogd+0xcc/0x110 [ 286.953247][ T30] ? __pfx__printk+0x10/0x10 [ 286.957866][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 286.963498][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 286.968522][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 286.974521][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 286.980505][ T30] watchdog+0xff6/0x1040 [ 286.984841][ T30] ? watchdog+0x1ea/0x1040 [ 286.989267][ T30] ? __pfx_watchdog+0x10/0x10 [ 286.993943][ T30] kthread+0x2f2/0x390 [ 286.998011][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.002693][ T30] ? __pfx_kthread+0x10/0x10 [ 287.007285][ T30] ret_from_fork+0x4d/0x80 [ 287.011697][ T30] ? __pfx_kthread+0x10/0x10 [ 287.016297][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.021065][ T30] [ 287.024250][ T30] Sending NMI from CPU 0 to CPUs 1: [ 287.029483][ C1] NMI backtrace for cpu 1 [ 287.029498][ C1] CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:1 Not tainted 6.13.0-rc5-syzkaller-00163-gab75170520d4 #0 [ 287.029524][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.029539][ C1] Workqueue: events_unbound toggle_allocation_gate [ 287.029572][ C1] RIP: 0010:__lock_acquire+0x950/0x2100 [ 287.029602][ C1] Code: 8c e8 a4 59 e5 ff 48 ba 00 00 00 00 00 fc ff df 90 0f 0b 90 90 90 31 db 48 8d ab c4 00 00 00 48 89 e8 48 c1 e8 03 0f b6 04 10 <84> c0 0f 85 91 00 00 00 0f b6 6d 00 40 84 ed 74 32 0f b6 44 24 28 [ 287.029621][ C1] RSP: 0018:ffffc900001173d0 EFLAGS: 00000017 [ 287.029641][ C1] RAX: 0000000000000000 RBX: ffffffff93c1c998 RCX: ffffffff817acdc2 [ 287.029658][ C1] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff942a4880 [ 287.029675][ C1] RBP: ffffffff93c1ca5c R08: ffffffff942a4887 R09: 1ffffffff2854910 [ 287.029693][ C1] R10: dffffc0000000000 R11: fffffbfff2854911 R12: 0000000000000002 [ 287.029710][ C1] R13: ffff88801ceb6550 R14: 0000000000000002 R15: ffff88801ceb6550 [ 287.029729][ C1] FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 287.029749][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.029766][ C1] CR2: 0000555f44c9a600 CR3: 000000000e736000 CR4: 0000000000350ef0 [ 287.029784][ C1] Call Trace: [ 287.029792][ C1] [ 287.029801][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.029830][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.029858][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.029895][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.029917][ C1] ? nmi_handle+0x151/0x5a0 [ 287.029946][ C1] ? nmi_handle+0x2a/0x5a0 [ 287.029975][ C1] ? __lock_acquire+0x950/0x2100 [ 287.030002][ C1] ? default_do_nmi+0x63/0x160 [ 287.030029][ C1] ? exc_nmi+0x123/0x1f0 [ 287.030054][ C1] ? end_repeat_nmi+0xf/0x53 [ 287.030079][ C1] ? __lock_acquire+0x8a2/0x2100 [ 287.030107][ C1] ? __lock_acquire+0x950/0x2100 [ 287.030134][ C1] ? __lock_acquire+0x950/0x2100 [ 287.030162][ C1] ? __lock_acquire+0x950/0x2100 [ 287.030197][ C1] [ 287.030205][ C1] [ 287.030222][ C1] lock_acquire+0x1ed/0x550 [ 287.030249][ C1] ? __pte_offset_map_lock+0x1ba/0x300 [ 287.030287][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.030314][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 287.030340][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.030365][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.030389][ C1] ? rcu_is_watching+0x15/0xb0 [ 287.030422][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.030446][ C1] ? ___pte_offset_map+0x2c4/0x380 [ 287.030486][ C1] ? __pfx____pte_offset_map+0x10/0x10 [ 287.030525][ C1] _raw_spin_lock+0x2e/0x40 [ 287.030553][ C1] ? __pte_offset_map_lock+0x1ba/0x300 [ 287.030588][ C1] __pte_offset_map_lock+0x1ba/0x300 [ 287.030627][ C1] ? __pfx___pte_offset_map_lock+0x10/0x10 [ 287.030664][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.030687][ C1] ? walk_to_pmd+0x19b/0x240 [ 287.030718][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.030743][ C1] ? __kmalloc_noprof+0xf5/0x4c0 [ 287.030774][ C1] __text_poke+0x2c5/0xd30 [ 287.030808][ C1] ? __kmalloc_node_noprof+0xfe/0x4d0 [ 287.030840][ C1] ? __pfx_text_poke_memcpy+0x10/0x10 [ 287.030874][ C1] ? __pfx___text_poke+0x10/0x10 [ 287.030906][ C1] ? __kmalloc_node_noprof+0xfd/0x4d0 [ 287.030937][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.030961][ C1] ? perf_event_text_poke+0x258/0x330 [ 287.030991][ C1] ? __pfx_perf_event_text_poke+0x10/0x10 [ 287.031019][ C1] ? __pfx___mutex_trylock_common+0x10/0x10 [ 287.031056][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.031083][ C1] text_poke_bp_batch+0x59c/0xb30 [ 287.031122][ C1] ? __kmalloc_noprof+0xf5/0x4c0 [ 287.031153][ C1] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 287.031188][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.031213][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.031237][ C1] ? arch_jump_label_transform_queue+0x9b/0x100 [ 287.031276][ C1] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.031301][ C1] ? process_scheduled_works+0x976/0x1840 [ 287.031326][ C1] text_poke_finish+0x30/0x50 [ 287.031359][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 287.031396][ C1] static_key_enable_cpuslocked+0x136/0x260 [ 287.031433][ C1] static_key_enable+0x1a/0x20 [ 287.031470][ C1] toggle_allocation_gate+0xbc/0x260 [ 287.031500][ C1] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 287.031529][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.031564][ C1] process_scheduled_works+0xa68/0x1840 [ 287.031601][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 287.031629][ C1] ? assign_work+0x364/0x3d0 [ 287.031653][ C1] worker_thread+0x870/0xd30 [ 287.031684][ C1] ? __kthread_parkme+0x169/0x1d0 [ 287.031711][ C1] ? __pfx_worker_thread+0x10/0x10 [ 287.031735][ C1] kthread+0x2f2/0x390 [ 287.031763][ C1] ? __pfx_worker_thread+0x10/0x10 [ 287.031787][ C1] ? __pfx_kthread+0x10/0x10 [ 287.031816][ C1] ret_from_fork+0x4d/0x80 [ 287.031839][ C1] ? __pfx_kthread+0x10/0x10 [ 287.031868][ C1] ret_from_fork_asm+0x1a/0x30 [ 287.031896][ C1] [ 287.031906][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.423 msecs [ 287.032483][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 287.032498][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc5-syzkaller-00163-gab75170520d4 #0 [ 287.032527][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.032543][ T30] Call Trace: [ 287.032553][ T30] [ 287.032564][ T30] dump_stack_lvl+0x241/0x360 [ 287.032606][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.032644][ T30] ? __pfx__printk+0x10/0x10 [ 287.032676][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.032714][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.032741][ T30] ? vscnprintf+0x5d/0x90 [ 287.032774][ T30] panic+0x349/0x880 [ 287.032809][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.032843][ T30] ? __pfx_panic+0x10/0x10 [ 287.032874][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 287.032915][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.032943][ T30] ? __irq_work_queue_local+0x137/0x410 [ 287.032975][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.033002][ T30] ? irq_work_queue+0xca/0x150 [ 287.033031][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.033058][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.033084][ T30] ? srso_alias_return_thunk+0x5/0xfbef5 [ 287.033111][ T30] ? nmi_trigger_cpumask_backtrace+0x251/0x320 [ 287.033147][ T30] watchdog+0x1035/0x1040 [ 287.033180][ T30] ? watchdog+0x1ea/0x1040 [ 287.033221][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.033251][ T30] kthread+0x2f2/0x390 [ 287.033283][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.033313][ T30] ? __pfx_kthread+0x10/0x10 [ 287.033347][ T30] ret_from_fork+0x4d/0x80 [ 287.033374][ T30] ? __pfx_kthread+0x10/0x10 [ 287.033406][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.033445][ T30] [ 287.710599][ T30] Kernel Offset: disabled [ 287.714921][ T30] Rebooting in 86400 seconds..