./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1275433019
<...>
[ 101.413532][ T44] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.21' (ED25519) to the list of known hosts.
execve("./syz-executor1275433019", ["./syz-executor1275433019"], 0x7ffe7711c960 /* 10 vars */) = 0
brk(NULL) = 0x55555e3a5000
brk(0x55555e3a5d00) = 0x55555e3a5d00
arch_prctl(ARCH_SET_FS, 0x55555e3a5380) = 0
set_tid_address(0x55555e3a5650) = 5841
set_robust_list(0x55555e3a5660, 24) = 0
rseq(0x55555e3a5ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1275433019", 4096) = 28
getrandom("\x9b\xa8\x7b\xde\xde\x2d\x0b\x28", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555e3a5d00
brk(0x55555e3c6d00) = 0x55555e3c6d00
brk(0x55555e3c7000) = 0x55555e3c7000
mprotect(0x7f0f61d78000, 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 5842 attached
, child_tidptr=0x55555e3a5650) = 5842
[pid 5842] set_robust_list(0x55555e3a5660, 24) = 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] 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) = 0x7f0f59800000
[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(0x7f0f59800000, 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
[ 106.801422][ T5842] loop0: detected capacity change from 0 to 32768
[ 106.891990][ T5842] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
[ 106.891990][ T5842] allowing incompatible features above 0.0: (unknown version)
[ 106.891990][ T5842] features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes
[ 106.930236][ T5842] bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0
[ 106.938804][ T5842] bcachefs (loop0): initializing new filesystem
[ 106.953987][ T5842] bcachefs (loop0): going read-write
[ 106.981720][ T5852] ODEBUG: object ffffc900038a7a98 is on stack ffffc900038a0000, but NOT annotated.
[ 106.982097][ T5852]
[ 106.982107][ T5852] ======================================================
[ 106.982119][ T5852] WARNING: possible circular locking dependency detected
[ 106.982132][ T5852] 6.15.0-syzkaller-13526-g7a912d04415b #0 Not tainted
[ 106.982151][ T5852] ------------------------------------------------------
[ 106.982162][ T5852] bch-copygc/loop/5852 is trying to acquire lock:
[ 106.982175][ T5852] ffffffff8e4d2240 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x9f/0xd0
[ 106.982257][ T5852]
[ 106.982257][ T5852] but task is already holding lock:
[ 106.982265][ T5852] ffffffff9afcff18 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0xec/0x3d0
[ 106.982325][ T5852]
[ 106.982325][ T5852] which lock already depends on the new lock.
[ 106.982325][ T5852]
[ 106.982338][ T5852]
[ 106.982338][ T5852] the existing dependency chain (in reverse order) is:
[ 106.982347][ T5852]
[ 106.982347][ T5852] -> #4 (&obj_hash[i].lock){-.-.}-{2:2}:
[ 106.982380][ T5852] _raw_spin_lock_irqsave+0x3a/0x60
[ 106.982421][ T5852] debug_object_activate+0x14c/0x4c0
[ 106.982452][ T5852] insert_work+0x2e/0x230
[ 106.982474][ T5852] __queue_work+0x97e/0x10f0
[ 106.982498][ T5852] queue_work_on+0x15f/0x1f0
[ 106.982523][ T5852] start_poll_synchronize_rcu_expedited+0x113/0x190
[ 106.982561][ T5852] rcu_init+0xe95/0x1630
[ 106.982603][ T5852] start_kernel+0x1df/0x4d0
[ 106.982638][ T5852] x86_64_start_reservations+0x18/0x30
[ 106.982676][ T5852] x86_64_start_kernel+0x130/0x190
[ 106.982712][ T5852] common_startup_64+0x13e/0x148
[ 106.982754][ T5852]
[ 106.982754][ T5852] -> #3 (&pool->lock){-.-.}-{2:2}:
[ 106.982786][ T5852] _raw_spin_lock+0x2e/0x40
[ 106.982821][ T5852] __queue_work+0x26b/0x10f0
[ 106.982845][ T5852] queue_work_on+0x15f/0x1f0
[ 106.982869][ T5852] rpm_suspend+0xeba/0x11d0
[ 106.982910][ T5852] rpm_idle+0x5b4/0x730
[ 106.982948][ T5852] __pm_runtime_idle+0xba/0x1a0
[ 106.982988][ T5852] __device_attach+0x37e/0x4b0
[ 106.983028][ T5852] bus_probe_device+0x17f/0x1c0
[ 106.983063][ T5852] device_add+0x1148/0x1a70
[ 106.983088][ T5852] serial_base_port_add+0x357/0x4b0
[ 106.983118][ T5852] serial_core_register_port+0x13c/0x2570
[ 106.983145][ T5852] serial8250_register_8250_port+0x159b/0x23c0
[ 106.983181][ T5852] serial_pnp_probe+0x431/0x910
[ 106.983215][ T5852] pnp_device_probe+0x2a8/0x4d0
[ 106.983243][ T5852] really_probe+0x241/0xa90
[ 106.983281][ T5852] __driver_probe_device+0x1de/0x440
[ 106.983321][ T5852] driver_probe_device+0x4c/0x1b0
[ 106.983369][ T5852] __driver_attach+0x283/0x580
[ 106.983408][ T5852] bus_for_each_dev+0x13e/0x1d0
[ 106.983439][ T5852] bus_add_driver+0x2e9/0x690
[ 106.983473][ T5852] driver_register+0x15c/0x4b0
[ 106.983497][ T5852] serial8250_init+0xc9/0x1e0
[ 106.983533][ T5852] do_one_initcall+0x123/0x6e0
[ 106.983557][ T5852] kernel_init_freeable+0x5c2/0x900
[ 106.983594][ T5852] kernel_init+0x1c/0x2b0
[ 106.983624][ T5852] ret_from_fork+0x5d7/0x6f0
[ 106.983660][ T5852] ret_from_fork_asm+0x1a/0x30
[ 106.983685][ T5852]
[ 106.983685][ T5852] -> #2 (&dev->power.lock){-...}-{3:3}:
[ 106.983718][ T5852] _raw_spin_lock_irqsave+0x3a/0x60
[ 106.983755][ T5852] __pm_runtime_resume+0xa9/0x170
[ 106.983777][ T5852] __uart_start+0x1b0/0x4c0
[ 106.983810][ T5852] uart_write+0x218/0xb30
[ 106.983832][ T5852] n_tty_write+0x412/0x1160
[ 106.983860][ T5852] file_tty_write.constprop.0+0x504/0x9b0
[ 106.983903][ T5852] redirected_tty_write+0xd4/0x150
[ 106.983925][ T5852] vfs_write+0x6c7/0x1150
[ 106.983952][ T5852] ksys_write+0x12a/0x250
[ 106.983978][ T5852] do_syscall_64+0xcd/0x4c0
[ 106.984002][ T5852] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 106.984027][ T5852]
[ 106.984027][ T5852] -> #1 (&port_lock_key){-.-.}-{3:3}:
[ 106.984059][ T5852] _raw_spin_lock_irqsave+0x3a/0x60
[ 106.984097][ T5852] serial8250_console_write+0x181/0x1890
[ 106.984128][ T5852] console_flush_all+0x801/0xc60
[ 106.984157][ T5852] console_unlock+0xd8/0x210
[ 106.984185][ T5852] vprintk_emit+0x418/0x6d0
[ 106.984215][ T5852] _printk+0xc7/0x100
[ 106.984234][ T5852] register_console+0xc2d/0x11b0
[ 106.984265][ T5852] univ8250_console_init+0x5f/0x90
[ 106.984301][ T5852] console_init+0x14f/0x680
[ 106.984340][ T5852] start_kernel+0x29f/0x4d0
[ 106.984375][ T5852] x86_64_start_reservations+0x18/0x30
[ 106.984412][ T5852] x86_64_start_kernel+0x130/0x190
[ 106.984448][ T5852] common_startup_64+0x13e/0x148
[ 106.984489][ T5852]
[ 106.984489][ T5852] -> #0 (console_owner){....}-{0:0}:
[ 106.984522][ T5852] __lock_acquire+0x126f/0x1c90
[ 106.984561][ T5852] lock_acquire+0x179/0x350
[ 106.984599][ T5852] console_lock_spinning_enable+0xb0/0xd0
[ 106.984628][ T5852] console_flush_all+0x7aa/0xc60
[ 106.984657][ T5852] console_unlock+0xd8/0x210
[ 106.984685][ T5852] vprintk_emit+0x418/0x6d0
[ 106.984714][ T5852] _printk+0xc7/0x100
[ 106.984733][ T5852] lookup_object_or_alloc.part.0+0x3d7/0x590
[ 106.984763][ T5852] __debug_object_init+0x2a9/0x3d0
[ 106.984790][ T5852] __init_work+0x4c/0x60
[ 106.984826][ T5852] rhashtable_init_noprof+0x49f/0x7e0
[ 106.984864][ T5852] bch2_copygc_thread+0xf6/0xdd0
[ 106.984900][ T5852] kthread+0x3c5/0x780
[ 106.984920][ T5852] ret_from_fork+0x5d7/0x6f0
[ 106.984957][ T5852] ret_from_fork_asm+0x1a/0x30
[ 106.984982][ T5852]
[ 106.984982][ T5852] other info that might help us debug this:
[ 106.984982][ T5852]
[ 106.984989][ T5852] Chain exists of:
[ 106.984989][ T5852] console_owner --> &pool->lock --> &obj_hash[i].lock
[ 106.984989][ T5852]
[ 106.985027][ T5852] Possible unsafe locking scenario:
[ 106.985027][ T5852]
[ 106.985034][ T5852] CPU0 CPU1
[ 106.985041][ T5852] ---- ----
[ 106.985048][ T5852] lock(&obj_hash[i].lock);
[ 106.985064][ T5852] lock(&pool->lock);
[ 106.985081][ T5852] lock(&obj_hash[i].lock);
[ 106.985099][ T5852] lock(console_owner);
[ 106.985115][ T5852]
[ 106.985115][ T5852] *** DEADLOCK ***
[ 106.985115][ T5852]
[ 106.985121][ T5852] 3 locks held by bch-copygc/loop/5852:
[ 106.985135][ T5852] #0: ffffffff9afcff18 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0xec/0x3d0
[ 106.985198][ T5852] #1: ffffffff8e5b2680 (console_lock){+.+.}-{0:0}, at: _printk+0xc7/0x100
[ 106.985252][ T5852] #2: ffffffff8e5b26f0 (console_srcu){....}-{0:0}, at: console_flush_all+0x158/0xc60
[ 106.985316][ T5852]
[ 106.985316][ T5852] stack backtrace:
[ 106.985326][ T5852] CPU: 0 UID: 0 PID: 5852 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-13526-g7a912d04415b #0 PREEMPT(full)
[ 106.985362][ T5852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 106.985378][ T5852] Call Trace:
[ 106.985386][ T5852]
[ 106.985395][ T5852] dump_stack_lvl+0x116/0x1f0
[ 106.985420][ T5852] print_circular_bug+0x275/0x350
[ 106.985461][ T5852] check_noncircular+0x14c/0x170
[ 106.985506][ T5852] __lock_acquire+0x126f/0x1c90
[ 106.985553][ T5852] lock_acquire+0x179/0x350
[ 106.985594][ T5852] ? console_lock_spinning_enable+0x9f/0xd0
[ 106.985626][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.985662][ T5852] console_lock_spinning_enable+0xb0/0xd0
[ 106.985693][ T5852] ? console_lock_spinning_enable+0x9f/0xd0
[ 106.985723][ T5852] console_flush_all+0x7aa/0xc60
[ 106.985758][ T5852] ? __pfx_console_flush_all+0x10/0x10
[ 106.985793][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.985826][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.985857][ T5852] ? is_printk_cpu_sync_owner+0x32/0x40
[ 106.985896][ T5852] console_unlock+0xd8/0x210
[ 106.985926][ T5852] ? __pfx_console_unlock+0x10/0x10
[ 106.985956][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.985987][ T5852] ? do_raw_spin_unlock+0x100/0x230
[ 106.986017][ T5852] ? _printk+0xc7/0x100
[ 106.986038][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.986069][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.986102][ T5852] vprintk_emit+0x418/0x6d0
[ 106.986135][ T5852] ? __pfx_vprintk_emit+0x10/0x10
[ 106.986170][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.986204][ T5852] _printk+0xc7/0x100
[ 106.986225][ T5852] ? __pfx__printk+0x10/0x10
[ 106.986249][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.986281][ T5852] ? do_raw_spin_lock+0x12c/0x2b0
[ 106.986309][ T5852] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 106.986342][ T5852] lookup_object_or_alloc.part.0+0x3d7/0x590
[ 106.986377][ T5852] __debug_object_init+0x2a9/0x3d0
[ 106.986405][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.986439][ T5852] ? __pfx___debug_object_init+0x10/0x10
[ 106.986477][ T5852] __init_work+0x4c/0x60
[ 106.986516][ T5852] rhashtable_init_noprof+0x49f/0x7e0
[ 106.986554][ T5852] ? __lock_acquire+0xb8a/0x1c90
[ 106.986595][ T5852] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 106.986633][ T5852] bch2_copygc_thread+0xf6/0xdd0
[ 106.986669][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.986704][ T5852] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 106.986741][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.986772][ T5852] ? lock_acquire+0x179/0x350
[ 106.986819][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.986852][ T5852] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 106.986910][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.986941][ T5852] ? rcu_is_watching+0x12/0xc0
[ 106.986973][ T5852] ? finish_task_switch.isra.0+0x221/0xc10
[ 106.987007][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.987038][ T5852] ? lockdep_hardirqs_on+0x7c/0x110
[ 106.987081][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.987112][ T5852] ? finish_task_switch.isra.0+0x221/0xc10
[ 106.987166][ T5852] ? rcu_is_watching+0x12/0xc0
[ 106.987198][ T5852] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 106.987238][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.987270][ T5852] ? lockdep_hardirqs_on+0x7c/0x110
[ 106.987312][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.987348][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.987380][ T5852] ? __kthread_parkme+0x19e/0x250
[ 106.987417][ T5852] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 106.987455][ T5852] kthread+0x3c5/0x780
[ 106.987478][ T5852] ? __pfx_kthread+0x10/0x10
[ 106.987502][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.987534][ T5852] ? rcu_is_watching+0x12/0xc0
[ 106.987566][ T5852] ? __pfx_kthread+0x10/0x10
[ 106.987590][ T5852] ret_from_fork+0x5d7/0x6f0
[ 106.987626][ T5852] ? __pfx_kthread+0x10/0x10
[ 106.987650][ T5852] ret_from_fork_asm+0x1a/0x30
[ 106.987684][ T5852]
[ 108.019980][ T5852] ------------[ cut here ]------------
[ 108.025425][ T5852] WARNING: CPU: 0 PID: 5852 at lib/debugobjects.c:655 lookup_object_or_alloc.part.0+0x2b1/0x590
[ 108.035853][ T5852] Modules linked in:
[ 108.039743][ T5852] CPU: 0 UID: 0 PID: 5852 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-13526-g7a912d04415b #0 PREEMPT(full)
[ 108.051805][ T5852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 108.061852][ T5852] RIP: 0010:lookup_object_or_alloc.part.0+0x2b1/0x590
[ 108.068622][ T5852] Code: 0e 48 8d 7d 20 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 58 02 00 00 48 8b 55 20 4c 89 e6 48 c7 c7 60 67 15 8c e8 60 f7 bb fc 90 <0f> 0b 90 48 83 c4 18 48 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 91
[ 108.088234][ T5852] RSP: 0018:ffffc900038a77b0 EFLAGS: 00010086
[ 108.094300][ T5852] RAX: 0000000000000050 RBX: ffff888028d69ce8 RCX: ffffffff819b01d9
[ 108.102265][ T5852] RDX: 0000000000000000 RSI: ffffffff819b8066 RDI: 0000000000000005
[ 108.110230][ T5852] RBP: ffff8880356d0000 R08: 0000000000000005 R09: 0000000000000000
[ 108.118194][ T5852] R10: 0000000080000001 R11: 0000000035383554 R12: ffffc900038a7a98
[ 108.126159][ T5852] R13: ffff8880356d0000 R14: 0000000000000000 R15: 0000000000000000
[ 108.134124][ T5852] FS: 0000000000000000(0000) GS:ffff88812475b000(0000) knlGS:0000000000000000
[ 108.143049][ T5852] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 108.149631][ T5852] CR2: 000056179a8424b0 CR3: 0000000076603000 CR4: 0000000000350ef0
[ 108.157597][ T5852] Call Trace:
[ 108.160867][ T5852]
[ 108.163792][ T5852] __debug_object_init+0x2a9/0x3d0
[ 108.168907][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.174547][ T5852] ? __pfx___debug_object_init+0x10/0x10
[ 108.180279][ T5852] __init_work+0x4c/0x60
[ 108.184535][ T5852] rhashtable_init_noprof+0x49f/0x7e0
[ 108.189918][ T5852] ? __lock_acquire+0xb8a/0x1c90
[ 108.194870][ T5852] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 108.200427][ T5852] bch2_copygc_thread+0xf6/0xdd0
[ 108.205372][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.211011][ T5852] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 108.216568][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.222206][ T5852] ? lock_acquire+0x179/0x350
[ 108.226905][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.232542][ T5852] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 108.238046][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.243688][ T5852] ? rcu_is_watching+0x12/0xc0
[ 108.248456][ T5852] ? finish_task_switch.isra.0+0x221/0xc10
[ 108.254270][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.259906][ T5852] ? lockdep_hardirqs_on+0x7c/0x110
[ 108.265136][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.270773][ T5852] ? finish_task_switch.isra.0+0x221/0xc10
[ 108.276605][ T5852] ? rcu_is_watching+0x12/0xc0
[ 108.281374][ T5852] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 108.287195][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.292830][ T5852] ? lockdep_hardirqs_on+0x7c/0x110
[ 108.298044][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.303682][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.309322][ T5852] ? __kthread_parkme+0x19e/0x250
[ 108.314366][ T5852] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 108.319924][ T5852] kthread+0x3c5/0x780
[ 108.323989][ T5852] ? __pfx_kthread+0x10/0x10
[ 108.328578][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.334215][ T5852] ? rcu_is_watching+0x12/0xc0
[ 108.339003][ T5852] ? __pfx_kthread+0x10/0x10
[ 108.343592][ T5852] ret_from_fork+0x5d7/0x6f0
[ 108.348193][ T5852] ? __pfx_kthread+0x10/0x10
[ 108.352777][ T5852] ret_from_fork_asm+0x1a/0x30
[ 108.357548][ T5852]
[ 108.360560][ T5852] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 108.367831][ T5852] CPU: 0 UID: 0 PID: 5852 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-13526-g7a912d04415b #0 PREEMPT(full)
[ 108.379910][ T5852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 108.389956][ T5852] Call Trace:
[ 108.393226][ T5852]
[ 108.396151][ T5852] dump_stack_lvl+0x3d/0x1f0
[ 108.400740][ T5852] panic+0x71c/0x800
[ 108.404665][ T5852] ? __pfx_panic+0x10/0x10
[ 108.409094][ T5852] ? show_trace_log_lvl+0x29b/0x3e0
[ 108.414313][ T5852] ? check_panic_on_warn+0x1f/0xb0
[ 108.419454][ T5852] ? lookup_object_or_alloc.part.0+0x2b1/0x590
[ 108.425613][ T5852] check_panic_on_warn+0xab/0xb0
[ 108.430565][ T5852] __warn+0xf6/0x3c0
[ 108.434478][ T5852] ? lookup_object_or_alloc.part.0+0x2b1/0x590
[ 108.440636][ T5852] report_bug+0x3c3/0x580
[ 108.444979][ T5852] ? lookup_object_or_alloc.part.0+0x2b1/0x590
[ 108.451156][ T5852] handle_bug+0x184/0x210
[ 108.455491][ T5852] exc_invalid_op+0x17/0x50
[ 108.459997][ T5852] asm_exc_invalid_op+0x1a/0x20
[ 108.464846][ T5852] RIP: 0010:lookup_object_or_alloc.part.0+0x2b1/0x590
[ 108.471614][ T5852] Code: 0e 48 8d 7d 20 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 58 02 00 00 48 8b 55 20 4c 89 e6 48 c7 c7 60 67 15 8c e8 60 f7 bb fc 90 <0f> 0b 90 48 83 c4 18 48 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 91
[ 108.491308][ T5852] RSP: 0018:ffffc900038a77b0 EFLAGS: 00010086
[ 108.497374][ T5852] RAX: 0000000000000050 RBX: ffff888028d69ce8 RCX: ffffffff819b01d9
[ 108.505340][ T5852] RDX: 0000000000000000 RSI: ffffffff819b8066 RDI: 0000000000000005
[ 108.513309][ T5852] RBP: ffff8880356d0000 R08: 0000000000000005 R09: 0000000000000000
[ 108.521274][ T5852] R10: 0000000080000001 R11: 0000000035383554 R12: ffffc900038a7a98
[ 108.529238][ T5852] R13: ffff8880356d0000 R14: 0000000000000000 R15: 0000000000000000
[ 108.537208][ T5852] ? __wake_up_klogd.part.0+0x99/0xf0
[ 108.542581][ T5852] ? vprintk_emit+0x1e6/0x6d0
[ 108.547271][ T5852] __debug_object_init+0x2a9/0x3d0
[ 108.552386][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.558024][ T5852] ? __pfx___debug_object_init+0x10/0x10
[ 108.563671][ T5852] __init_work+0x4c/0x60
[ 108.567926][ T5852] rhashtable_init_noprof+0x49f/0x7e0
[ 108.573313][ T5852] ? __lock_acquire+0xb8a/0x1c90
[ 108.578268][ T5852] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 108.583825][ T5852] bch2_copygc_thread+0xf6/0xdd0
[ 108.588772][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.594415][ T5852] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 108.599971][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.605610][ T5852] ? lock_acquire+0x179/0x350
[ 108.610309][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.615949][ T5852] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 108.621455][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.627093][ T5852] ? rcu_is_watching+0x12/0xc0
[ 108.631873][ T5852] ? finish_task_switch.isra.0+0x221/0xc10
[ 108.637688][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.643330][ T5852] ? lockdep_hardirqs_on+0x7c/0x110
[ 108.648546][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.654184][ T5852] ? finish_task_switch.isra.0+0x221/0xc10
[ 108.660037][ T5852] ? rcu_is_watching+0x12/0xc0
[ 108.664808][ T5852] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 108.670628][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.676264][ T5852] ? lockdep_hardirqs_on+0x7c/0x110
[ 108.681483][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.687125][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.692760][ T5852] ? __kthread_parkme+0x19e/0x250
[ 108.697795][ T5852] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 108.703354][ T5852] kthread+0x3c5/0x780
[ 108.707425][ T5852] ? __pfx_kthread+0x10/0x10
[ 108.712014][ T5852] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.717650][ T5852] ? rcu_is_watching+0x12/0xc0
[ 108.722447][ T5852] ? __pfx_kthread+0x10/0x10
[ 108.727058][ T5852] ret_from_fork+0x5d7/0x6f0
[ 108.731679][ T5852] ? __pfx_kthread+0x10/0x10
[ 108.736270][ T5852] ret_from_fork_asm+0x1a/0x30
[ 108.741044][ T5852]
[ 108.744331][ T5852] Kernel Offset: disabled
[ 108.748665][ T5852] Rebooting in 86400 seconds..