./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor604565729 <...> Warning: Permanently added '10.128.0.143' (ED25519) to the list of known hosts. execve("./syz-executor604565729", ["./syz-executor604565729"], 0x7ffc93ccc960 /* 10 vars */) = 0 brk(NULL) = 0x555572395000 brk(0x555572395d00) = 0x555572395d00 arch_prctl(ARCH_SET_FS, 0x555572395380) = 0 set_tid_address(0x555572395650) = 5822 set_robust_list(0x555572395660, 24) = 0 rseq(0x555572395ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor604565729", 4096) = 27 getrandom("\x2c\xce\x82\x1f\x40\xc6\x8f\x47", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555572395d00 brk(0x5555723b6d00) = 0x5555723b6d00 brk(0x5555723b7000) = 0x5555723b7000 mprotect(0x7f20149fa000, 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.auVLbX", 0700) = 0 chmod("./syzkaller.auVLbX", 0777) = 0 chdir("./syzkaller.auVLbX") = 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 5824 attached [pid 5824] set_robust_list(0x555572395660, 24 [pid 5822] <... clone resumed>, child_tidptr=0x555572395650) = 5824 [pid 5824] <... set_robust_list resumed>) = 0 [pid 5824] chdir("./0") = 0 [pid 5824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5824] setpgid(0, 0) = 0 [pid 5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5824] write(3, "1000", 4) = 4 [pid 5824] close(3) = 0 [pid 5824] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5824] write(1, "executing program\n", 18) = 18 [pid 5824] memfd_create("syzkaller", 0) = 3 [pid 5824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f200c400000 [pid 5824] 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 5824] munmap(0x7f200c400000, 138412032) = 0 [pid 5824] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5824] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5824] close(3) = 0 [pid 5824] close(4) = 0 [pid 5824] mkdir("./file0", 0777) = 0 [ 75.038770][ T5824] loop0: detected capacity change from 0 to 32768 [ 75.128557][ T5824] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 75.144340][ T5824] bcachefs (loop0): recovering from clean shutdown, journal seq 13 [ 75.166331][ T5824] bcachefs (loop0): accounting_read... done [ 75.173369][ T5824] bcachefs (loop0): alloc_read... done [ 75.178938][ T5824] bcachefs (loop0): stripes_read... done [ 75.184764][ T5824] bcachefs (loop0): snapshots_read... done [ 75.193171][ T5824] bcachefs (loop0): journal_replay... done [ 75.199052][ T5824] bcachefs (loop0): resume_logged_ops... done [ 75.205403][ T5824] bcachefs (loop0): delete_dead_inodes... done [ 75.214365][ T5824] bcachefs (loop0): going read-write [pid 5824] 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 5824] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [ 75.225340][ T35] bcachefs (loop0 inum 4099 offset 0): data data checksum error, type chacha20_poly1305_80: got f437669dd16385080c9b should be 7179c5105bb769ac71e3 [ 75.241171][ T35] bcachefs (loop0 inum 4099 offset 0): no device to read from: no_device_to_read_from [ 75.241171][ T35] 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 [ 75.241196][ T5824] bcachefs (loop0): done starting filesystem [pid 5824] chdir("./file0") = 0 [pid 5824] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5824] ioctl(4, LOOP_CLR_FD) = 0 [pid 5824] close(4) = 0 [pid 5824] exit_group(0) = ? [pid 5824] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5824, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=30 /* 0.30 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, 0x5555723966f0 /* 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 [ 75.457208][ T5822] bcachefs (loop0): shutting down [ 75.463128][ T5822] bcachefs (loop0): going read-only [ 75.468535][ T5822] bcachefs (loop0): finished waiting for writes to stop [ 86.982300][ T25] cfg80211: failed to load regulatory.db [ 105.541431][ T5833] Allocator stuck? Waited for 30 seconds [ 105.541448][ T5833] Allocator debug: [ 105.541455][ T5833] capacity1536 [ 105.541462][ T5833] reserved 31232 [ 105.541469][ T5833] hidden 0 [ 105.541477][ T5833] btree 0 [ 105.541484][ T5833] data 0 [ 105.541491][ T5833] cached 0 [ 105.541498][ T5833] reserved 0 [ 105.541505][ T5833] online_reserved 24 [ 105.541513][ T5833] nr_inodes 0 [ 105.541520][ T5833] [ 105.541526][ T5833] freelist_wait waiting [ 105.541533][ T5833] open buckets allocated1 [ 105.541541][ T5833] open buckets total 1024 [ 105.541548][ T5833] open_buckets_wait empty [ 105.541555][ T5833] open_buckets_btree 0 [ 105.541562][ T5833] open_buckets_user 0 [ 105.541570][ T5833] btree reserve cache 0 [ 105.541577][ T5833] [ 105.541583][ T5833] Dev 0: [ 105.541590][ T5833] buckets sectors fragmented [ 105.541598][ T5833] free 0 0 0 [ 105.541607][ T5833] sb 0 0 0 [ 105.541616][ T5833] journal 0 0 0 [ 105.541624][ T5833] btree 0 0 0 [ 105.541633][ T5833] user 0 0 0 [ 105.541641][ T5833] cached 0 0 0 [ 105.541650][ T5833] parity 0 0 0 [ 105.541658][ T5833] stripe 0 0 0 [ 105.541667][ T5833] need_gc_gens 0 0 0 [ 105.541676][ T5833] need_discard 0 0 0 [ 105.541684][ T5833] unstriped 0 0 0 [ 105.541693][ T5833] capacity 128 [ 105.541700][ T5833] [ 105.541706][ T5833] reserves: [ 105.541713][ T5833] stripe 60 [ 105.541720][ T5833] normal 58 [ 105.541728][ T5833] copygc 56 [ 105.541735][ T5833] btree 28 [ 105.541742][ T5833] btree_copygc 0 [ 105.541750][ T5833] reclaim 0 [ 105.541757][ T5833] interior_updates 0 [ 105.541764][ T5833] [ 105.541771][ T5833] open buckets 0 [ 105.541778][ T5833] buckets to invalidate 0 [ 105.541785][ T5833] [ 105.541792][ T5833] Copygc debug: [ 105.541798][ T5833] running: 0 [ 105.541805][ T5833] copygc_wait:0 [ 105.541812][ T5833] copygc_wait_at:0 [ 105.541819][ T5833] Currently waiting for:0 B [ 105.541826][ T5833] Currently waiting since:640 KiB [ 105.541834][ T5833] Currently calculated wait:0 B [ 105.541841][ T5833] [ 105.541847][ T5833] Journal debug: [ 105.541854][ T5833] flags: replay_done,running,may_skip_flush,need_flush_write [ 105.541864][ T5833] dirty journal entries: 0/32768 [ 105.541871][ T5833] seq: 13 [ 105.541878][ T5833] seq_ondisk: 13 [ 105.541886][ T5833] last_seq: 14 [ 105.541893][ T5833] last_seq_ondisk: 14 [ 105.541901][ T5833] flushed_seq_ondisk: 13 [ 105.541908][ T5833] watermark: stripe [ 105.541915][ T5833] each entry reserved: 321 [ 105.541923][ T5833] nr flush writes: 0 [ 105.541930][ T5833] nr noflush writes: 0 [ 105.541937][ T5833] average write size: 0 B [ 105.541945][ T5833] nr direct reclaim: 0 [ 105.541964][ T5833] nr background reclaim: 0 [ 105.541971][ T5833] reclaim kicked: 0 [ 105.541978][ T5833] reclaim runs in: 0 ms [ 105.541986][ T5833] blocked: 0 [ 105.541993][ T5833] current entry sectors: 256 [ 105.542001][ T5833] current entry error: ok [ 105.542008][ T5833] current entry: closed [ 105.542015][ T5833] unwritten entries: [ 105.542022][ T5833] last buf closed [ 105.542029][ T5833] space: [ 105.542036][ T5833] discarded 256:1792 [ 105.542043][ T5833] clean ondisk 256:1792 [ 105.542051][ T5833] clean 256:1792 [ 105.542058][ T5833] total 256:2048 [ 105.542066][ T5833] dev 0: [ 105.542072][ T5833] nr 8 [ 105.542080][ T5833] bucket size 256 [ 105.542087][ T5833] available 6:256 [ 105.542095][ T5833] discard_idx 0 [ 105.542102][ T5833] dirty_ondisk 0 (seq 0) [ 105.542109][ T5833] dirty_idx 0 (seq 0) [ 105.542117][ T5833] cur_idx 0 (seq 0) [ 105.542125][ T5833] [ 286.653236][ T30] INFO: task syz-executor604:5822 blocked for more than 143 seconds. [ 286.661658][ T30] Not tainted 6.13.0-rc6-syzkaller-00130-g2144da25584e #0 [ 286.669314][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.678189][ T30] task:syz-executor604 state:D stack:23840 pid:5822 tgid:5822 ppid:5819 flags:0x00004002 [ 286.688632][ T30] Call Trace: [ 286.692017][ T30] [ 286.694977][ T30] __schedule+0x17fb/0x4be0 [ 286.699579][ T30] ? __pfx___schedule+0x10/0x10 [ 286.704512][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.709581][ T30] ? schedule+0x90/0x320 [ 286.713921][ T30] schedule+0x14b/0x320 [ 286.718128][ T30] schedule_timeout+0xb0/0x290 [ 286.723031][ T30] ? __pfx_schedule_timeout+0x10/0x10 [ 286.728438][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 286.734541][ T30] ? wait_for_completion+0x2fe/0x620 [ 286.739905][ T30] ? wait_for_completion+0x2fe/0x620 [ 286.745315][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.750556][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.755900][ T30] ? wait_for_completion+0x2fe/0x620 [ 286.761275][ T30] wait_for_completion+0x355/0x620 [ 286.766417][ T30] ? __pfx_wait_for_completion+0x10/0x10 [ 286.772108][ T30] ? synchronize_rcu+0x11b/0x360 [ 286.777116][ T30] ? kthread_unpark+0xd0/0x290 [ 286.781968][ T30] kthread_stop+0x19e/0x640 [ 286.786506][ T30] bch2_copygc_stop+0x4f/0x150 [ 286.791394][ T30] __bch2_fs_read_only+0x47/0x450 [ 286.796511][ T30] bch2_fs_read_only+0xb57/0x1200 [ 286.801634][ T30] ? __pfx_bch2_fs_read_only+0x10/0x10 [ 286.807129][ T30] ? __bch2_print+0x17a/0x220 [ 286.811916][ T30] ? down_write+0x18c/0x220 [ 286.816476][ T30] ? __pfx_down_write+0x10/0x10 [ 286.821388][ T30] ? hook_sb_delete+0xaa0/0xbd0 [ 286.826278][ T30] __bch2_fs_stop+0x105/0x5c0 [ 286.831020][ T30] ? __pfx___bch2_fs_stop+0x10/0x10 [ 286.836249][ T30] ? __pfx_evict_inodes+0x10/0x10 [ 286.841358][ T30] ? bch2_sync_fs+0x155/0x300 [ 286.846113][ T30] ? __pfx_bch2_put_super+0x10/0x10 [ 286.851384][ T30] generic_shutdown_super+0x139/0x2d0 [ 286.856790][ T30] bch2_kill_sb+0x41/0x50 [ 286.861185][ T30] deactivate_locked_super+0xc4/0x130 [ 286.866592][ T30] cleanup_mnt+0x41f/0x4b0 [ 286.871205][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 286.876459][ T30] task_work_run+0x24f/0x310 [ 286.881191][ T30] ? __pfx_task_work_run+0x10/0x10 [ 286.886347][ T30] ? path_umount+0x284/0xf70 [ 286.891020][ T30] ptrace_notify+0x2d2/0x380 [ 286.895670][ T30] ? __pfx_ptrace_notify+0x10/0x10 [ 286.900848][ T30] ? kmem_cache_free+0x195/0x410 [ 286.905825][ T30] ? __x64_sys_umount+0x123/0x170 [ 286.910936][ T30] syscall_exit_work+0xc7/0x1d0 [ 286.915826][ T30] syscall_exit_to_user_mode+0x24a/0x340 [ 286.921548][ T30] do_syscall_64+0x100/0x230 [ 286.926273][ T30] ? clear_bhb_loop+0x35/0x90 [ 286.931089][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.937073][ T30] RIP: 0033:0x7f2014978347 [ 286.941543][ T30] RSP: 002b:00007ffd35c50f08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 286.949993][ T30] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2014978347 [ 286.958025][ T30] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd35c50fc0 [ 286.966056][ T30] RBP: 00007ffd35c50fc0 R08: 0000000000000000 R09: 0000000000000000 [ 286.974094][ T30] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffd35c52020 [ 286.982125][ T30] R13: 00005555723966c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 286.990116][ T30] [ 286.993347][ T30] INFO: task bch-copygc/loop:5833 blocked for more than 143 seconds. [ 287.001473][ T30] Not tainted 6.13.0-rc6-syzkaller-00130-g2144da25584e #0 [ 287.009102][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.017821][ T30] task:bch-copygc/loop state:D stack:20080 pid:5833 tgid:5833 ppid:2 flags:0x00024000 [ 287.028086][ T30] Call Trace: [ 287.031413][ T30] [ 287.034375][ T30] __schedule+0x17fb/0x4be0 [ 287.038892][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.044968][ T30] ? __pfx___schedule+0x10/0x10 [ 287.049864][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.054963][ T30] ? bch2_print_allocator_stuck+0x165/0xcb0 [ 287.060942][ T30] ? bch2_print_allocator_stuck+0xc24/0xcb0 [ 287.066872][ T30] ? schedule+0x90/0x320 [ 287.071173][ T30] schedule+0x14b/0x320 [ 287.075368][ T30] __closure_sync+0x259/0x2f0 [ 287.080056][ T30] ? __closure_sync+0x149/0x2f0 [ 287.084966][ T30] ? __pfx___closure_sync+0x10/0x10 [ 287.090201][ T30] ? __bch2_wait_on_allocator+0x1d6/0x250 [ 287.095994][ T30] __bch2_write+0x562a/0x5dd0 [ 287.100774][ T30] ? __pfx_validate_chain+0x10/0x10 [ 287.106053][ T30] ? __pfx___bch2_write+0x10/0x10 [ 287.111229][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.117249][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.123687][ T30] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 287.129629][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 287.135043][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.141009][ T30] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 287.147365][ T30] ? stack_depot_save_flags+0x7b4/0x940 [ 287.153029][ T30] bch2_write+0x9b5/0x1760 [ 287.157506][ T30] ? __pfx_bch2_write+0x10/0x10 [ 287.162420][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 287.168430][ T30] ? bch2_data_update_read_done+0xfd/0x330 [ 287.174334][ T30] bch2_data_update_read_done+0x22e/0x330 [ 287.180095][ T30] ? __pfx_bch2_data_update_read_done+0x10/0x10 [ 287.186417][ T30] ? bch2_trans_srcu_unlock+0x57/0x5c0 [ 287.191951][ T30] bch2_moving_ctxt_do_pending_writes+0x44c/0x8d0 [ 287.198411][ T30] ? __pfx_bch2_moving_ctxt_do_pending_writes+0x10/0x10 [ 287.205404][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.211364][ T30] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 287.217707][ T30] ? finish_wait+0xd4/0x1e0 [ 287.222263][ T30] move_buckets_wait+0x2ba/0x1290 [ 287.227339][ T30] ? __pfx_move_buckets_wait+0x10/0x10 [ 287.232872][ T30] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 287.238539][ T30] ? __pfx_autoremove_wake_function+0x10/0x10 [ 287.244658][ T30] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 287.250414][ T30] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 287.256128][ T30] bch2_copygc_thread+0x83f/0xc10 [ 287.261216][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 287.266771][ T30] ? bch2_copygc_thread+0x1a1/0xc10 [ 287.272057][ T30] ? _raw_spin_unlock_irqrestore+0x8f/0x140 [ 287.278011][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 287.283303][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 287.289232][ T30] ? __kthread_parkme+0x169/0x1d0 [ 287.294332][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 287.299907][ T30] kthread+0x2f0/0x390 [ 287.304053][ T30] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 287.309643][ T30] ? __pfx_kthread+0x10/0x10 [ 287.314302][ T30] ret_from_fork+0x4b/0x80 [ 287.318766][ T30] ? __pfx_kthread+0x10/0x10 [ 287.323428][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.328242][ T30] [ 287.331329][ T30] [ 287.331329][ T30] Showing all locks held in the system: [ 287.339081][ T30] 1 lock held by khungtaskd/30: [ 287.344026][ T30] #0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 287.354029][ T30] 2 locks held by getty/5582: [ 287.358708][ T30] #0: ffff888035c010a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 287.368539][ T30] #1: ffffc90002fd62f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 287.378741][ T30] 2 locks held by syz-executor604/5822: [ 287.384338][ T30] #0: ffff88807d9820e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xb5/0xf0 [ 287.394696][ T30] #1: ffff888072080278 (&c->state_lock){+.+.}-{4:4}, at: __bch2_fs_stop+0xfd/0x5c0 [ 287.404208][ T30] [ 287.406550][ T30] ============================================= [ 287.406550][ T30] [ 287.415042][ T30] NMI backtrace for cpu 1 [ 287.419409][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc6-syzkaller-00130-g2144da25584e #0 [ 287.429938][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.440001][ T30] Call Trace: [ 287.443285][ T30] [ 287.446218][ T30] dump_stack_lvl+0x241/0x360 [ 287.450930][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.456134][ T30] ? __pfx__printk+0x10/0x10 [ 287.460746][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 287.465810][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.471279][ T30] ? _printk+0xd5/0x120 [ 287.475449][ T30] ? __pfx__printk+0x10/0x10 [ 287.480061][ T30] ? __wake_up_klogd+0xcc/0x110 [ 287.485034][ T30] ? __pfx__printk+0x10/0x10 [ 287.489681][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 287.495690][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 287.501690][ T30] watchdog+0xff6/0x1040 [ 287.505944][ T30] ? watchdog+0x1ea/0x1040 [ 287.510372][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.515058][ T30] kthread+0x2f0/0x390 [ 287.519148][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.523835][ T30] ? __pfx_kthread+0x10/0x10 [ 287.528437][ T30] ret_from_fork+0x4b/0x80 [ 287.532862][ T30] ? __pfx_kthread+0x10/0x10 [ 287.537462][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.542253][ T30] [ 287.545478][ T30] Sending NMI from CPU 1 to CPUs 0: [ 287.550754][ C0] NMI backtrace for cpu 0 [ 287.550770][ C0] CPU: 0 UID: 0 PID: 35 Comm: kworker/u8:2 Not tainted 6.13.0-rc6-syzkaller-00130-g2144da25584e #0 [ 287.550792][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.550805][ C0] Workqueue: events_unbound toggle_allocation_gate [ 287.550837][ C0] RIP: 0010:trace_rcu_utilization+0x60/0x1e0 [ 287.550865][ C0] Code: 0f a3 1d 93 35 93 0e 73 71 65 ff 05 22 b2 7e 7e e8 85 f5 3b 0a 89 c3 83 f8 08 0f 83 a9 00 00 00 49 bf 00 00 00 00 00 fc ff df <4c> 8d 34 dd 50 0b 2d 8e 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 [ 287.550880][ C0] RSP: 0018:ffffc90000007bc0 EFLAGS: 00000093 [ 287.550894][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81852255 [ 287.550916][ C0] RDX: 0000000000000000 RSI: ffffffff8c5edd40 RDI: ffffffff8c5edd00 [ 287.550928][ C0] RBP: ffffc90000007ca8 R08: ffffffff901857f7 R09: 1ffffffff2030afe [ 287.550942][ C0] R10: dffffc0000000000 R11: fffffbfff2030aff R12: 0000000000000000 [ 287.550954][ C0] R13: ffffc90000ab7720 R14: 0000000000000000 R15: dffffc0000000000 [ 287.550968][ C0] FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 287.550982][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 287.550995][ C0] CR2: 00005652707cb600 CR3: 000000000e736000 CR4: 00000000003526f0 [ 287.551010][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 287.551021][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 287.551032][ C0] Call Trace: [ 287.551039][ C0] [ 287.551052][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 287.551075][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 287.551097][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 287.551118][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.551145][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 287.551171][ C0] ? nmi_handle+0x14f/0x5a0 [ 287.551190][ C0] ? nmi_handle+0x2a/0x5a0 [ 287.551210][ C0] ? trace_rcu_utilization+0x60/0x1e0 [ 287.551234][ C0] ? default_do_nmi+0x63/0x160 [ 287.551255][ C0] ? exc_nmi+0x123/0x1f0 [ 287.551274][ C0] ? end_repeat_nmi+0xf/0x53 [ 287.551295][ C0] ? trace_rcu_utilization+0x35/0x1e0 [ 287.551319][ C0] ? trace_rcu_utilization+0x60/0x1e0 [ 287.551344][ C0] ? trace_rcu_utilization+0x60/0x1e0 [ 287.551369][ C0] ? trace_rcu_utilization+0x60/0x1e0 [ 287.551393][ C0] [ 287.551399][ C0] [ 287.551406][ C0] rcu_sched_clock_irq+0xd6/0x10e0 [ 287.551433][ C0] ? __pfx_rcu_sched_clock_irq+0x10/0x10 [ 287.551461][ C0] update_process_times+0x242/0x2f0 [ 287.551481][ C0] tick_nohz_handler+0x37c/0x500 [ 287.551510][ C0] ? __pfx_tick_nohz_handler+0x10/0x10 [ 287.551537][ C0] __hrtimer_run_queues+0x551/0xd30 [ 287.551576][ C0] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 287.551598][ C0] ? sched_clock+0x4a/0x70 [ 287.551623][ C0] ? read_tsc+0x9/0x20 [ 287.551646][ C0] ? ktime_get_update_offsets_now+0x393/0x3b0 [ 287.551669][ C0] hrtimer_interrupt+0x403/0xa40 [ 287.551703][ C0] __sysvec_apic_timer_interrupt+0x110/0x420 [ 287.551724][ C0] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 287.551749][ C0] [ 287.551755][ C0] [ 287.551761][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 287.551790][ C0] RIP: 0010:__text_poke+0xa4a/0xd30 [ 287.551812][ C0] Code: 7c 24 50 00 75 19 e8 f5 d6 5f 00 eb 18 e8 ee d6 5f 00 e8 19 5e 81 0a 48 83 7c 24 50 00 74 e7 e8 dc d6 5f 00 fb 48 8b 44 24 78 <42> 80 3c 28 00 74 0d 48 8d bc 24 60 01 00 00 e8 62 af c3 00 48 8b [ 287.551826][ C0] RSP: 0018:ffffc90000ab7740 EFLAGS: 00000293 [ 287.551840][ C0] RAX: 1ffff92000156f14 RBX: 0000000000000000 RCX: ffff88801daebc00 [ 287.551852][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 287.551863][ C0] RBP: ffffc90000ab7910 R08: ffffffff813f9cc4 R09: 1ffffffff284e310 [ 287.551876][ C0] R10: dffffc0000000000 R11: fffffbfff284e311 R12: 1ffff92000156ef8 [ 287.551889][ C0] R13: dffffc0000000000 R14: 0000000000000046 R15: ffffffff81f7d4c8 [ 287.551902][ C0] ? __kmalloc_node_track_caller_noprof+0xf8/0x4c0 [ 287.551923][ C0] ? __text_poke+0xa14/0xd30 [ 287.551950][ C0] ? __kmalloc_node_track_caller_noprof+0xf8/0x4c0 [ 287.551970][ C0] ? __pfx_text_poke_memcpy+0x10/0x10 [ 287.551993][ C0] ? __pfx___text_poke+0x10/0x10 [ 287.552014][ C0] ? kmem_cache_alloc_bulk_noprof+0x156/0x7c0 [ 287.552036][ C0] ? __pfx_smp_call_function_many_cond+0x10/0x10 [ 287.552068][ C0] ? __pfx_perf_event_text_poke+0x10/0x10 [ 287.552089][ C0] ? preempt_schedule_thunk+0x1a/0x30 [ 287.552113][ C0] text_poke_bp_batch+0x8cd/0xb30 [ 287.552141][ C0] ? kmem_cache_alloc_bulk_noprof+0x157/0x7c0 [ 287.552161][ C0] ? __pfx_text_poke_bp_batch+0x10/0x10 [ 287.552188][ C0] ? arch_jump_label_transform_queue+0x9b/0x100 [ 287.552218][ C0] ? process_scheduled_works+0x976/0x1840 [ 287.552245][ C0] text_poke_finish+0x30/0x50 [ 287.552268][ C0] arch_jump_label_transform_apply+0x1c/0x30 [ 287.552294][ C0] static_key_enable_cpuslocked+0x136/0x260 [ 287.552320][ C0] static_key_enable+0x1a/0x20 [ 287.552343][ C0] toggle_allocation_gate+0xbc/0x260 [ 287.552369][ C0] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 287.552395][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.552422][ C0] process_scheduled_works+0xa66/0x1840 [ 287.552462][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 287.552493][ C0] ? assign_work+0x364/0x3d0 [ 287.552522][ C0] worker_thread+0x870/0xd30 [ 287.552545][ C0] ? __kthread_parkme+0x169/0x1d0 [ 287.552564][ C0] ? __pfx_worker_thread+0x10/0x10 [ 287.552581][ C0] kthread+0x2f0/0x390 [ 287.552600][ C0] ? __pfx_worker_thread+0x10/0x10 [ 287.552616][ C0] ? __pfx_kthread+0x10/0x10 [ 287.552636][ C0] ret_from_fork+0x4b/0x80 [ 287.552652][ C0] ? __pfx_kthread+0x10/0x10 [ 287.552671][ C0] ret_from_fork_asm+0x1a/0x30 [ 287.552705][ C0] [ 287.552712][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.958 msecs [ 287.565898][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 287.565919][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc6-syzkaller-00130-g2144da25584e #0 [ 287.565946][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 287.565961][ T30] Call Trace: [ 287.565970][ T30] [ 287.565981][ T30] dump_stack_lvl+0x241/0x360 [ 287.566021][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 287.566068][ T30] ? __pfx__printk+0x10/0x10 [ 287.566111][ T30] ? vscnprintf+0x5d/0x90 [ 287.566143][ T30] panic+0x349/0x880 [ 287.566172][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.566205][ T30] ? __pfx_panic+0x10/0x10 [ 287.566229][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 287.566264][ T30] ? __irq_work_queue_local+0x137/0x410 [ 287.566290][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 287.566317][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 287.566345][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 287.566378][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 287.566410][ T30] watchdog+0x1035/0x1040 [ 287.566438][ T30] ? watchdog+0x1ea/0x1040 [ 287.566469][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.566493][ T30] kthread+0x2f0/0x390 [ 287.566520][ T30] ? __pfx_watchdog+0x10/0x10 [ 287.566545][ T30] ? __pfx_kthread+0x10/0x10 [ 287.566573][ T30] ret_from_fork+0x4b/0x80 [ 287.566595][ T30] ? __pfx_kthread+0x10/0x10 [ 287.566621][ T30] ret_from_fork_asm+0x1a/0x30 [ 287.566669][ T30] [ 288.266358][ T30] Kernel Offset: disabled [ 288.271221][ T30] Rebooting in 86400 seconds..