./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2744226406 <...> Warning: Permanently added '10.128.1.31' (ED25519) to the list of known hosts. execve("./syz-executor2744226406", ["./syz-executor2744226406"], 0x7fff8bedb9f0 /* 10 vars */) = 0 brk(NULL) = 0x55557ddce000 brk(0x55557ddced00) = 0x55557ddced00 arch_prctl(ARCH_SET_FS, 0x55557ddce380) = 0 set_tid_address(0x55557ddce650) = 5836 set_robust_list(0x55557ddce660, 24) = 0 rseq(0x55557ddceca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2744226406", 4096) = 28 getrandom("\x2f\x88\xd9\x73\x61\x85\xa8\xf4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557ddced00 brk(0x55557ddefd00) = 0x55557ddefd00 brk(0x55557ddf0000) = 0x55557ddf0000 mprotect(0x7fa907554000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 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 5837 attached [pid 5837] set_robust_list(0x55557ddce660, 24 [pid 5836] <... clone resumed>, child_tidptr=0x55557ddce650) = 5837 [pid 5837] <... set_robust_list resumed>) = 0 [pid 5837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5837] setpgid(0, 0) = 0 [pid 5837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5837] write(3, "1000", 4) = 4 [pid 5837] close(3) = 0 [pid 5837] write(1, "executing program\n", 18executing program ) = 18 [pid 5837] memfd_create("syzkaller", 0) = 3 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa8ff000000 [pid 5837] 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 5837] munmap(0x7fa8ff000000, 138412032) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5837] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5837] close(3) = 0 [pid 5837] close(4) = 0 [pid 5837] mkdir("./file1", 0777) = 0 [ 94.064771][ T5837] loop0: detected capacity change from 0 to 32768 [ 94.169028][ T5837] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 94.169028][ T5837] allowing incompatible features above 0.0: (unknown version) [ 94.169028][ T5837] features: atomic_nlink [ 94.197417][ T5837] bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0 [ 94.205726][ T5837] bcachefs (loop0): initializing new filesystem [ 94.220092][ T5837] bcachefs (loop0): going read-write [ 94.246247][ T5848] ODEBUG: object ffffc90003c7fb90 is on stack ffffc90003c78000, but NOT annotated. [ 94.246564][ T5848] [ 94.246573][ T5848] ====================================================== [ 94.246582][ T5848] WARNING: possible circular locking dependency detected [ 94.246592][ T5848] 6.15.0-syzkaller-13743-g8630c59e9936 #0 Not tainted [ 94.246605][ T5848] ------------------------------------------------------ [ 94.246614][ T5848] bch-copygc/loop/5848 is trying to acquire lock: [ 94.246632][ T5848] ffffffff8e133280 (console_owner){....}-{0:0}, at: console_flush_all+0x13a/0xc40 [ 94.246710][ T5848] [ 94.246710][ T5848] but task is already holding lock: [ 94.246715][ T5848] ffffffff99cbeb20 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0x85/0x3c0 [ 94.246760][ T5848] [ 94.246760][ T5848] which lock already depends on the new lock. [ 94.246760][ T5848] [ 94.246765][ T5848] [ 94.246765][ T5848] the existing dependency chain (in reverse order) is: [ 94.246771][ T5848] [ 94.246771][ T5848] -> #4 (&obj_hash[i].lock){-.-.}-{2:2}: [ 94.246796][ T5848] lock_acquire+0x120/0x360 [ 94.246821][ T5848] _raw_spin_lock_irqsave+0xa7/0xf0 [ 94.246852][ T5848] debug_object_activate+0xbb/0x420 [ 94.246872][ T5848] insert_work+0x35/0x330 [ 94.246899][ T5848] __queue_work+0xcfc/0xfe0 [ 94.246914][ T5848] queue_work_on+0x181/0x270 [ 94.246928][ T5848] start_poll_synchronize_rcu_expedited+0xfc/0x140 [ 94.246952][ T5848] rcu_init+0x108/0x160 [ 94.246977][ T5848] start_kernel+0x1fb/0x500 [ 94.246995][ T5848] x86_64_start_reservations+0x24/0x30 [ 94.247019][ T5848] x86_64_start_kernel+0x143/0x1c0 [ 94.247041][ T5848] common_startup_64+0x13e/0x147 [ 94.247061][ T5848] [ 94.247061][ T5848] -> #3 (&pool->lock){-.-.}-{2:2}: [ 94.247084][ T5848] lock_acquire+0x120/0x360 [ 94.247110][ T5848] _raw_spin_lock+0x2e/0x40 [ 94.247133][ T5848] __queue_work+0x7b0/0xfe0 [ 94.247147][ T5848] queue_work_on+0x181/0x270 [ 94.247161][ T5848] rpm_suspend+0xe54/0x1720 [ 94.247180][ T5848] __pm_runtime_idle+0x12f/0x1a0 [ 94.247198][ T5848] __device_attach+0x342/0x400 [ 94.247219][ T5848] bus_probe_device+0x185/0x260 [ 94.247239][ T5848] device_add+0x7b6/0xb50 [ 94.247256][ T5848] serial_base_port_add+0x2f2/0x430 [ 94.247278][ T5848] serial_core_register_port+0x367/0x2700 [ 94.247295][ T5848] serial8250_register_8250_port+0x16db/0x2050 [ 94.247323][ T5848] serial_pnp_probe+0x527/0x790 [ 94.247337][ T5848] pnp_device_probe+0x30b/0x4c0 [ 94.247353][ T5848] really_probe+0x26d/0x9a0 [ 94.247375][ T5848] __driver_probe_device+0x18c/0x2f0 [ 94.247395][ T5848] driver_probe_device+0x4f/0x430 [ 94.247416][ T5848] __driver_attach+0x452/0x700 [ 94.247435][ T5848] bus_for_each_dev+0x233/0x2b0 [ 94.247464][ T5848] bus_add_driver+0x345/0x640 [ 94.247478][ T5848] driver_register+0x23a/0x320 [ 94.247500][ T5848] serial8250_init+0xc2/0x1c0 [ 94.247524][ T5848] do_one_initcall+0x236/0x820 [ 94.247540][ T5848] do_initcall_level+0x137/0x1f0 [ 94.247559][ T5848] do_initcalls+0x69/0xd0 [ 94.247577][ T5848] kernel_init_freeable+0x3d9/0x570 [ 94.247597][ T5848] kernel_init+0x1d/0x1d0 [ 94.247627][ T5848] ret_from_fork+0x3fc/0x770 [ 94.247652][ T5848] ret_from_fork_asm+0x1a/0x30 [ 94.247671][ T5848] [ 94.247671][ T5848] -> #2 (&dev->power.lock){-...}-{3:3}: [ 94.247695][ T5848] lock_acquire+0x120/0x360 [ 94.247718][ T5848] _raw_spin_lock_irqsave+0xa7/0xf0 [ 94.247742][ T5848] __pm_runtime_resume+0x10f/0x180 [ 94.247761][ T5848] __uart_start+0x171/0x440 [ 94.247776][ T5848] uart_write+0xdc/0x130 [ 94.247792][ T5848] n_tty_write+0xd35/0x11d0 [ 94.247825][ T5848] file_tty_write+0x503/0x990 [ 94.247846][ T5848] vfs_write+0x54b/0xa90 [ 94.247867][ T5848] ksys_write+0x145/0x250 [ 94.247891][ T5848] do_syscall_64+0xfa/0x3b0 [ 94.247915][ T5848] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 94.247939][ T5848] [ 94.247939][ T5848] -> #1 (&port_lock_key){-.-.}-{3:3}: [ 94.247972][ T5848] lock_acquire+0x120/0x360 [ 94.248004][ T5848] _raw_spin_lock_irqsave+0xa7/0xf0 [ 94.248040][ T5848] serial8250_console_write+0x17e/0x1ba0 [ 94.248068][ T5848] console_flush_all+0x728/0xc40 [ 94.248095][ T5848] console_unlock+0xc4/0x270 [ 94.248117][ T5848] vprintk_emit+0x5b7/0x7a0 [ 94.248139][ T5848] _printk+0xcf/0x120 [ 94.248162][ T5848] register_console+0xa8b/0xf90 [ 94.248188][ T5848] univ8250_console_init+0x52/0x90 [ 94.248222][ T5848] console_init+0x1a1/0x670 [ 94.248251][ T5848] start_kernel+0x2cc/0x500 [ 94.248269][ T5848] x86_64_start_reservations+0x24/0x30 [ 94.248292][ T5848] x86_64_start_kernel+0x143/0x1c0 [ 94.248315][ T5848] common_startup_64+0x13e/0x147 [ 94.248333][ T5848] [ 94.248333][ T5848] -> #0 (console_owner){....}-{0:0}: [ 94.248358][ T5848] validate_chain+0xb9b/0x2140 [ 94.248374][ T5848] __lock_acquire+0xab9/0xd20 [ 94.248397][ T5848] lock_acquire+0x120/0x360 [ 94.248420][ T5848] console_flush_all+0x6d2/0xc40 [ 94.248439][ T5848] console_unlock+0xc4/0x270 [ 94.248454][ T5848] vprintk_emit+0x5b7/0x7a0 [ 94.248469][ T5848] _printk+0xcf/0x120 [ 94.248485][ T5848] __debug_object_init+0x2c8/0x3c0 [ 94.248504][ T5848] rhashtable_init_noprof+0x7c0/0xbb0 [ 94.248519][ T5848] bch2_copygc_thread+0x116/0xdc0 [ 94.248535][ T5848] kthread+0x711/0x8a0 [ 94.248553][ T5848] ret_from_fork+0x3fc/0x770 [ 94.248576][ T5848] ret_from_fork_asm+0x1a/0x30 [ 94.248594][ T5848] [ 94.248594][ T5848] other info that might help us debug this: [ 94.248594][ T5848] [ 94.248599][ T5848] Chain exists of: [ 94.248599][ T5848] console_owner --> &pool->lock --> &obj_hash[i].lock [ 94.248599][ T5848] [ 94.248631][ T5848] Possible unsafe locking scenario: [ 94.248631][ T5848] [ 94.248636][ T5848] CPU0 CPU1 [ 94.248641][ T5848] ---- ---- [ 94.248646][ T5848] lock(&obj_hash[i].lock); [ 94.248658][ T5848] lock(&pool->lock); [ 94.248671][ T5848] lock(&obj_hash[i].lock); [ 94.248684][ T5848] lock(console_owner); [ 94.248695][ T5848] [ 94.248695][ T5848] *** DEADLOCK *** [ 94.248695][ T5848] [ 94.248700][ T5848] 3 locks held by bch-copygc/loop/5848: [ 94.248710][ T5848] #0: ffffffff99cbeb20 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0x85/0x3c0 [ 94.248755][ T5848] #1: ffffffff8e1332e0 (console_lock){+.+.}-{0:0}, at: _printk+0xcf/0x120 [ 94.248797][ T5848] #2: ffffffff8e01abb0 (console_srcu){....}-{0:0}, at: console_flush_all+0x13a/0xc40 [ 94.248840][ T5848] [ 94.248840][ T5848] stack backtrace: [ 94.248849][ T5848] CPU: 1 UID: 0 PID: 5848 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-13743-g8630c59e9936 #0 PREEMPT(full) [ 94.248869][ T5848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 94.248880][ T5848] Call Trace: [ 94.248887][ T5848] [ 94.248894][ T5848] dump_stack_lvl+0x189/0x250 [ 94.248923][ T5848] ? __pfx_dump_stack_lvl+0x10/0x10 [ 94.248951][ T5848] ? __pfx__printk+0x10/0x10 [ 94.248970][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.248990][ T5848] ? print_lock_name+0xde/0x100 [ 94.249009][ T5848] print_circular_bug+0x2ee/0x310 [ 94.249029][ T5848] check_noncircular+0x134/0x160 [ 94.249049][ T5848] validate_chain+0xb9b/0x2140 [ 94.249076][ T5848] __lock_acquire+0xab9/0xd20 [ 94.249103][ T5848] ? console_flush_all+0x13a/0xc40 [ 94.249122][ T5848] lock_acquire+0x120/0x360 [ 94.249159][ T5848] ? console_flush_all+0x13a/0xc40 [ 94.249180][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.249201][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.249221][ T5848] ? do_raw_spin_unlock+0x122/0x240 [ 94.249241][ T5848] ? console_flush_all+0x13a/0xc40 [ 94.249261][ T5848] console_flush_all+0x6d2/0xc40 [ 94.249308][ T5848] ? console_flush_all+0x13a/0xc40 [ 94.249328][ T5848] ? console_flush_all+0x13a/0xc40 [ 94.249352][ T5848] ? __pfx_console_flush_all+0x10/0x10 [ 94.249503][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.249524][ T5848] ? is_printk_cpu_sync_owner+0x32/0x40 [ 94.249557][ T5848] console_unlock+0xc4/0x270 [ 94.249577][ T5848] ? __pfx_console_unlock+0x10/0x10 [ 94.249595][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.249617][ T5848] ? is_printk_cpu_sync_owner+0x32/0x40 [ 94.249645][ T5848] vprintk_emit+0x5b7/0x7a0 [ 94.249663][ T5848] ? __pfx_vprintk_emit+0x10/0x10 [ 94.249680][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.249700][ T5848] ? __lock_acquire+0xab9/0xd20 [ 94.249729][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.249750][ T5848] ? do_raw_spin_lock+0x121/0x290 [ 94.249773][ T5848] _printk+0xcf/0x120 [ 94.249794][ T5848] ? __pfx__printk+0x10/0x10 [ 94.249810][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.249833][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.249858][ T5848] __debug_object_init+0x2c8/0x3c0 [ 94.249884][ T5848] ? rhashtable_init_noprof+0x4ee/0xbb0 [ 94.249903][ T5848] rhashtable_init_noprof+0x7c0/0xbb0 [ 94.249922][ T5848] bch2_copygc_thread+0x116/0xdc0 [ 94.249941][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.249962][ T5848] ? __lock_acquire+0xab9/0xd20 [ 94.249993][ T5848] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 94.250030][ T5848] ? finish_task_switch+0x266/0x950 [ 94.250053][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.250074][ T5848] ? lockdep_hardirqs_on+0x9c/0x150 [ 94.250110][ T5848] ? __pfx_rhashtable_jhash2+0x10/0x10 [ 94.250144][ T5848] ? __kthread_parkme+0x7b/0x200 [ 94.250161][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.250182][ T5848] ? __kthread_parkme+0x1a1/0x200 [ 94.250201][ T5848] kthread+0x711/0x8a0 [ 94.250223][ T5848] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 94.250239][ T5848] ? __pfx_kthread+0x10/0x10 [ 94.250258][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.250280][ T5848] ? _raw_spin_unlock_irq+0x23/0x50 [ 94.250306][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 94.250327][ T5848] ? lockdep_hardirqs_on+0x9c/0x150 [ 94.250354][ T5848] ? __pfx_kthread+0x10/0x10 [ 94.250382][ T5848] ret_from_fork+0x3fc/0x770 [ 94.250408][ T5848] ? __pfx_ret_from_fork+0x10/0x10 [ 94.250436][ T5848] ? __switch_to_asm+0x39/0x70 [ 94.250454][ T5848] ? __switch_to_asm+0x33/0x70 [ 94.250472][ T5848] ? __pfx_kthread+0x10/0x10 [ 94.250493][ T5848] ret_from_fork_asm+0x1a/0x30 [ 94.250518][ T5848] [ 95.265003][ T5848] ------------[ cut here ]------------ [ 95.270442][ T5848] WARNING: CPU: 1 PID: 5848 at lib/debugobjects.c:655 __debug_object_init+0x2c9/0x3c0 [ 95.280004][ T5848] Modules linked in: [ 95.283924][ T5848] CPU: 1 UID: 0 PID: 5848 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-13743-g8630c59e9936 #0 PREEMPT(full) [ 95.295980][ T5848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 95.306021][ T5848] RIP: 0010:__debug_object_init+0x2c9/0x3c0 [ 95.311914][ T5848] Code: 48 fc cc 41 ff c7 44 89 3d b4 56 13 15 48 c7 c1 00 8b e2 8b 48 c7 c7 60 8b e2 8b 84 c0 48 0f 45 f9 48 89 de e8 28 29 60 fc 90 <0f> 0b 90 e9 c0 fe ff ff e8 3a 1c 00 00 8b 05 4c 7a c5 09 3b 05 4a [ 95.331536][ T5848] RSP: 0018:ffffc90003c7f6e0 EFLAGS: 00010046 [ 95.337598][ T5848] RAX: 0000000000000050 RBX: ffffc90003c7fb90 RCX: c819ba5bb2a0a700 [ 95.345653][ T5848] RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000 [ 95.353627][ T5848] RBP: ffff888069e69e20 R08: ffff8880b8724293 R09: 1ffff110170e4852 [ 95.361583][ T5848] R10: dffffc0000000000 R11: ffffed10170e4853 R12: 0000000000000040 [ 95.369561][ T5848] R13: ffff888033ba3ea8 R14: dffffc0000000000 R15: 0000000000000001 [ 95.377520][ T5848] FS: 0000000000000000(0000) GS:ffff888125d52000(0000) knlGS:0000000000000000 [ 95.386456][ T5848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.393022][ T5848] CR2: 000055aa98788898 CR3: 00000000740f2000 CR4: 0000000000350ef0 [ 95.401009][ T5848] Call Trace: [ 95.404292][ T5848] [ 95.407209][ T5848] ? rhashtable_init_noprof+0x4ee/0xbb0 [ 95.412745][ T5848] rhashtable_init_noprof+0x7c0/0xbb0 [ 95.418210][ T5848] bch2_copygc_thread+0x116/0xdc0 [ 95.423226][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 95.428857][ T5848] ? __lock_acquire+0xab9/0xd20 [ 95.433713][ T5848] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 95.439278][ T5848] ? finish_task_switch+0x266/0x950 [ 95.444555][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 95.450178][ T5848] ? lockdep_hardirqs_on+0x9c/0x150 [ 95.455387][ T5848] ? __pfx_rhashtable_jhash2+0x10/0x10 [ 95.460865][ T5848] ? __kthread_parkme+0x7b/0x200 [ 95.465793][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 95.471412][ T5848] ? __kthread_parkme+0x1a1/0x200 [ 95.476424][ T5848] kthread+0x711/0x8a0 [ 95.480484][ T5848] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 95.486033][ T5848] ? __pfx_kthread+0x10/0x10 [ 95.490609][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 95.496232][ T5848] ? _raw_spin_unlock_irq+0x23/0x50 [ 95.501430][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 95.507048][ T5848] ? lockdep_hardirqs_on+0x9c/0x150 [ 95.512246][ T5848] ? __pfx_kthread+0x10/0x10 [ 95.516825][ T5848] ret_from_fork+0x3fc/0x770 [ 95.521412][ T5848] ? __pfx_ret_from_fork+0x10/0x10 [ 95.526578][ T5848] ? __switch_to_asm+0x39/0x70 [ 95.531349][ T5848] ? __switch_to_asm+0x33/0x70 [ 95.536121][ T5848] ? __pfx_kthread+0x10/0x10 [ 95.540706][ T5848] ret_from_fork_asm+0x1a/0x30 [ 95.545481][ T5848] [ 95.548488][ T5848] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 95.555751][ T5848] CPU: 1 UID: 0 PID: 5848 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-13743-g8630c59e9936 #0 PREEMPT(full) [ 95.567800][ T5848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 95.577857][ T5848] Call Trace: [ 95.581123][ T5848] [ 95.584123][ T5848] dump_stack_lvl+0x99/0x250 [ 95.588716][ T5848] ? __asan_memcpy+0x40/0x70 [ 95.593346][ T5848] ? __pfx_dump_stack_lvl+0x10/0x10 [ 95.598562][ T5848] ? __pfx__printk+0x10/0x10 [ 95.603143][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 95.608785][ T5848] panic+0x2db/0x790 [ 95.612681][ T5848] ? __pfx_panic+0x10/0x10 [ 95.617089][ T5848] ? show_trace_log_lvl+0x4fb/0x550 [ 95.622288][ T5848] ? ret_from_fork_asm+0x1a/0x30 [ 95.627218][ T5848] __warn+0x31b/0x4b0 [ 95.631196][ T5848] ? __debug_object_init+0x2c9/0x3c0 [ 95.636646][ T5848] ? __debug_object_init+0x2c9/0x3c0 [ 95.641920][ T5848] report_bug+0x2be/0x4f0 [ 95.646247][ T5848] ? __debug_object_init+0x2c9/0x3c0 [ 95.651524][ T5848] ? __debug_object_init+0x2c9/0x3c0 [ 95.656798][ T5848] ? __debug_object_init+0x2cb/0x3c0 [ 95.662074][ T5848] handle_bug+0x84/0x160 [ 95.666311][ T5848] exc_invalid_op+0x1a/0x50 [ 95.670805][ T5848] asm_exc_invalid_op+0x1a/0x20 [ 95.675643][ T5848] RIP: 0010:__debug_object_init+0x2c9/0x3c0 [ 95.681543][ T5848] Code: 48 fc cc 41 ff c7 44 89 3d b4 56 13 15 48 c7 c1 00 8b e2 8b 48 c7 c7 60 8b e2 8b 84 c0 48 0f 45 f9 48 89 de e8 28 29 60 fc 90 <0f> 0b 90 e9 c0 fe ff ff e8 3a 1c 00 00 8b 05 4c 7a c5 09 3b 05 4a [ 95.701142][ T5848] RSP: 0018:ffffc90003c7f6e0 EFLAGS: 00010046 [ 95.707229][ T5848] RAX: 0000000000000050 RBX: ffffc90003c7fb90 RCX: c819ba5bb2a0a700 [ 95.715211][ T5848] RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000 [ 95.723200][ T5848] RBP: ffff888069e69e20 R08: ffff8880b8724293 R09: 1ffff110170e4852 [ 95.731161][ T5848] R10: dffffc0000000000 R11: ffffed10170e4853 R12: 0000000000000040 [ 95.739122][ T5848] R13: ffff888033ba3ea8 R14: dffffc0000000000 R15: 0000000000000001 [ 95.747096][ T5848] ? rhashtable_init_noprof+0x4ee/0xbb0 [ 95.752639][ T5848] rhashtable_init_noprof+0x7c0/0xbb0 [ 95.758025][ T5848] bch2_copygc_thread+0x116/0xdc0 [ 95.763040][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 95.768666][ T5848] ? __lock_acquire+0xab9/0xd20 [ 95.773522][ T5848] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 95.779074][ T5848] ? finish_task_switch+0x266/0x950 [ 95.784296][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 95.790026][ T5848] ? lockdep_hardirqs_on+0x9c/0x150 [ 95.795233][ T5848] ? __pfx_rhashtable_jhash2+0x10/0x10 [ 95.800696][ T5848] ? __kthread_parkme+0x7b/0x200 [ 95.805645][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 95.811276][ T5848] ? __kthread_parkme+0x1a1/0x200 [ 95.816291][ T5848] kthread+0x711/0x8a0 [ 95.820362][ T5848] ? __pfx_bch2_copygc_thread+0x10/0x10 [ 95.825918][ T5848] ? __pfx_kthread+0x10/0x10 [ 95.830496][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 95.836120][ T5848] ? _raw_spin_unlock_irq+0x23/0x50 [ 95.841336][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5 [ 95.846966][ T5848] ? lockdep_hardirqs_on+0x9c/0x150 [ 95.852163][ T5848] ? __pfx_kthread+0x10/0x10 [ 95.856743][ T5848] ret_from_fork+0x3fc/0x770 [ 95.861330][ T5848] ? __pfx_ret_from_fork+0x10/0x10 [ 95.866489][ T5848] ? __switch_to_asm+0x39/0x70 [ 95.871247][ T5848] ? __switch_to_asm+0x33/0x70 [ 95.876000][ T5848] ? __pfx_kthread+0x10/0x10 [ 95.880598][ T5848] ret_from_fork_asm+0x1a/0x30 [ 95.885378][ T5848] [ 95.888537][ T5848] Kernel Offset: disabled [ 95.892861][ T5848] Rebooting in 86400 seconds..