./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2358128212
<...>
Warning: Permanently added '10.128.0.153' (ED25519) to the list of known hosts.
execve("./syz-executor2358128212", ["./syz-executor2358128212"], 0x7ffd942a8f30 /* 10 vars */) = 0
brk(NULL) = 0x55555a83c000
brk(0x55555a83cd00) = 0x55555a83cd00
arch_prctl(ARCH_SET_FS, 0x55555a83c380) = 0
set_tid_address(0x55555a83c650) = 5826
set_robust_list(0x55555a83c660, 24) = 0
rseq(0x55555a83cca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2358128212", 4096) = 28
getrandom("\x7f\xc0\xd2\x05\x10\x54\xdb\xf1", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555a83cd00
brk(0x55555a85dd00) = 0x55555a85dd00
brk(0x55555a85e000) = 0x55555a85e000
mprotect(0x7f42e10ea000, 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, child_tidptr=0x55555a83c650) = 5827
./strace-static-x86_64: Process 5827 attached
[pid 5827] set_robust_list(0x55555a83c660, 24) = 0
[pid 5827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5827] setpgid(0, 0) = 0
[pid 5827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5827] write(3, "1000", 4) = 4
[pid 5827] close(3executing program
) = 0
[pid 5827] write(1, "executing program\n", 18) = 18
[pid 5827] memfd_create("syzkaller", 0) = 3
[pid 5827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f42d8c00000
[pid 5827] 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 5827] munmap(0x7f42d8c00000, 138412032) = 0
[pid 5827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5827] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5827] close(3) = 0
[pid 5827] close(4) = 0
[pid 5827] mkdir("./file0", 0777) = 0
[ 91.502452][ T5827] loop0: detected capacity change from 0 to 32768
[ 91.554485][ T5827] =======================================================
[ 91.554485][ T5827] WARNING: The mand mount option has been deprecated and
[ 91.554485][ T5827] and is ignored by this kernel. Remove the mand
[ 91.554485][ T5827] option from the mount to silence this warning.
[ 91.554485][ T5827] =======================================================
[ 91.624100][ T5827] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names,read_only
[ 91.624100][ T5827] allowing incompatible features above 0.0: (unknown version)
[ 91.624100][ T5827] features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes
[ 91.662088][ T5827] bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0
[ 91.670618][ T5827] bcachefs (loop0): recovering from clean shutdown, journal seq 13
[ 91.678817][ T5827] bcachefs (loop0): Doing compatible version upgrade from 1.7: mi_btree_bitmap to 1.28: inode_has_case_insensitive
[ 91.678817][ T5827] running recovery passes: check_allocations,check_extents_to_backpointers,check_inodes
[ 91.722332][ T5827] bcachefs (loop0): accounting_read... done
[ 91.730505][ T5827] bcachefs (loop0): alloc_read... done
[ 91.737207][ T5827] bcachefs (loop0): snapshots_read... done
[ 91.744911][ T5827] bcachefs (loop0): check_allocations...
[ 91.747039][ T5827] bcachefs (loop0): btree ptr not marked in member info btree allocated bitmap
[ 91.747057][ T5827] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1818ce08861e3527 written 40 min_key POS_MIN durability: 1 ptr: 0:26:0 gen 0, fixing
[ 91.779370][ T5827] bcachefs (loop0): btree ptr not marked in member info btree allocated bitmap
[ 91.779386][ T5827] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2a20405ac3f40602 written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0, fixing
[ 91.805346][ T5827] bcachefs (loop0): btree ptr not marked in member info btree allocated bitmap
[ 91.805362][ T5827] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 267fcf747c875937 written 24 min_key POS_MIN durability: 1 ptr: 0:41:0 gen 0, fixing
[ 91.830480][ T5827] bcachefs (loop0): btree ptr not marked in member info btree allocated bitmap
[ 91.830496][ T5827] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d682cebdf2a7eb26 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0, fixing
[ 91.855876][ T5827] bcachefs (loop0): btree ptr not marked in member info btree allocated bitmap
[ 91.855892][ T5827] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq d771a06d670df06c written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0, fixing
[ 91.881309][ T5827] bcachefs (loop0): btree ptr not marked in member info btree allocated bitmap
[ 91.881326][ T5827] u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq b6c44d07df4e9bb7 written 48 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0, fixing
[ 91.909739][ T5827] done
[ 91.916480][ T5827] bcachefs (loop0): going read-write
[ 91.945520][ T5837] ODEBUG: object ffffc9000448fb90 is on stack ffffc90004488000, but NOT annotated.
[ 91.945870][ T5837]
[ 91.945878][ T5837] ======================================================
[ 91.945886][ T5837] WARNING: possible circular locking dependency detected
[ 91.945906][ T5837] 6.15.0-syzkaller-13659-g5b032cac6225 #0 Not tainted
[ 91.945925][ T5837] ------------------------------------------------------
[ 91.945932][ T5837] bch-copygc/loop/5837 is trying to acquire lock:
[ 91.945941][ T5837] ffffffff8e133280 (console_owner){....}-{0:0}, at: console_flush_all+0x13a/0xc40
[ 91.945989][ T5837]
[ 91.945989][ T5837] but task is already holding lock:
[ 91.945995][ T5837] ffffffff99cf9618 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0x85/0x3c0
[ 91.946031][ T5837]
[ 91.946031][ T5837] which lock already depends on the new lock.
[ 91.946031][ T5837]
[ 91.946036][ T5837]
[ 91.946036][ T5837] the existing dependency chain (in reverse order) is:
[ 91.946041][ T5837]
[ 91.946041][ T5837] -> #4 (&obj_hash[i].lock){-.-.}-{2:2}:
[ 91.946061][ T5837] lock_acquire+0x120/0x360
[ 91.946079][ T5837] _raw_spin_lock_irqsave+0xa7/0xf0
[ 91.946103][ T5837] debug_object_activate+0xbb/0x420
[ 91.946117][ T5837] insert_work+0x35/0x330
[ 91.946134][ T5837] __queue_work+0xcfc/0xfe0
[ 91.946154][ T5837] queue_work_on+0x181/0x270
[ 91.946172][ T5837] start_poll_synchronize_rcu_expedited+0xfc/0x140
[ 91.946189][ T5837] rcu_init+0x108/0x160
[ 91.946202][ T5837] start_kernel+0x1fb/0x500
[ 91.946220][ T5837] x86_64_start_reservations+0x24/0x30
[ 91.946235][ T5837] x86_64_start_kernel+0x143/0x1c0
[ 91.946248][ T5837] common_startup_64+0x13e/0x147
[ 91.946262][ T5837]
[ 91.946262][ T5837] -> #3 (&pool->lock){-.-.}-{2:2}:
[ 91.946280][ T5837] lock_acquire+0x120/0x360
[ 91.946296][ T5837] _raw_spin_lock+0x2e/0x40
[ 91.946313][ T5837] __queue_work+0x7b0/0xfe0
[ 91.946332][ T5837] queue_work_on+0x181/0x270
[ 91.946351][ T5837] rpm_suspend+0xe54/0x1720
[ 91.946364][ T5837] __pm_runtime_idle+0x12f/0x1a0
[ 91.946377][ T5837] __device_attach+0x342/0x400
[ 91.946391][ T5837] bus_probe_device+0x185/0x260
[ 91.946411][ T5837] device_add+0x7b6/0xb50
[ 91.946423][ T5837] serial_base_port_add+0x2f2/0x430
[ 91.946441][ T5837] serial_core_register_port+0x367/0x2700
[ 91.946452][ T5837] serial8250_register_8250_port+0x16db/0x2050
[ 91.946473][ T5837] serial_pnp_probe+0x527/0x790
[ 91.946493][ T5837] pnp_device_probe+0x30b/0x4c0
[ 91.946504][ T5837] really_probe+0x26a/0x9a0
[ 91.946519][ T5837] __driver_probe_device+0x18c/0x2f0
[ 91.946534][ T5837] driver_probe_device+0x4f/0x430
[ 91.946550][ T5837] __driver_attach+0x452/0x700
[ 91.946564][ T5837] bus_for_each_dev+0x230/0x2b0
[ 91.946583][ T5837] bus_add_driver+0x345/0x640
[ 91.946602][ T5837] driver_register+0x23a/0x320
[ 91.946619][ T5837] serial8250_init+0xc2/0x1c0
[ 91.946631][ T5837] do_one_initcall+0x233/0x820
[ 91.946642][ T5837] do_initcall_level+0x137/0x1f0
[ 91.946661][ T5837] do_initcalls+0x69/0xd0
[ 91.946680][ T5837] kernel_init_freeable+0x3d9/0x570
[ 91.946700][ T5837] kernel_init+0x1d/0x1d0
[ 91.946714][ T5837] ret_from_fork+0x3f9/0x770
[ 91.946731][ T5837] ret_from_fork_asm+0x1a/0x30
[ 91.946743][ T5837]
[ 91.946743][ T5837] -> #2 (&dev->power.lock){-.-.}-{3:3}:
[ 91.946761][ T5837] lock_acquire+0x120/0x360
[ 91.946777][ T5837] _raw_spin_lock_irqsave+0xa7/0xf0
[ 91.946795][ T5837] __pm_runtime_resume+0x10f/0x180
[ 91.946808][ T5837] __uart_start+0x171/0x440
[ 91.946819][ T5837] uart_write+0xdc/0x130
[ 91.946830][ T5837] n_tty_write+0xd35/0x11d0
[ 91.946847][ T5837] file_tty_write+0x500/0x990
[ 91.946858][ T5837] vfs_write+0x548/0xa90
[ 91.946872][ T5837] ksys_write+0x145/0x250
[ 91.946887][ T5837] do_syscall_64+0xfa/0x3b0
[ 91.946899][ T5837] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 91.946979][ T5837]
[ 91.946979][ T5837] -> #1 (&port_lock_key){-.-.}-{3:3}:
[ 91.946997][ T5837] lock_acquire+0x120/0x360
[ 91.947014][ T5837] _raw_spin_lock_irqsave+0xa7/0xf0
[ 91.947031][ T5837] serial8250_console_write+0x17e/0x1ba0
[ 91.947046][ T5837] console_flush_all+0x728/0xc40
[ 91.947058][ T5837] console_unlock+0xc4/0x270
[ 91.947069][ T5837] vprintk_emit+0x5b7/0x7a0
[ 91.947079][ T5837] _printk+0xcf/0x120
[ 91.947091][ T5837] register_console+0xa8b/0xf90
[ 91.947103][ T5837] univ8250_console_init+0x52/0x90
[ 91.947117][ T5837] console_init+0x1a1/0x670
[ 91.947131][ T5837] start_kernel+0x2cc/0x500
[ 91.947150][ T5837] x86_64_start_reservations+0x24/0x30
[ 91.947166][ T5837] x86_64_start_kernel+0x143/0x1c0
[ 91.947179][ T5837] common_startup_64+0x13e/0x147
[ 91.947192][ T5837]
[ 91.947192][ T5837] -> #0 (console_owner){....}-{0:0}:
[ 91.947210][ T5837] validate_chain+0xb9b/0x2140
[ 91.947229][ T5837] __lock_acquire+0xab9/0xd20
[ 91.947246][ T5837] lock_acquire+0x120/0x360
[ 91.947262][ T5837] console_flush_all+0x6d2/0xc40
[ 91.947274][ T5837] console_unlock+0xc4/0x270
[ 91.947284][ T5837] vprintk_emit+0x5b7/0x7a0
[ 91.947295][ T5837] _printk+0xcf/0x120
[ 91.947305][ T5837] __debug_object_init+0x2c8/0x3c0
[ 91.947319][ T5837] rhashtable_init_noprof+0x7c0/0xbb0
[ 91.947340][ T5837] bch2_copygc_thread+0x116/0xdc0
[ 91.947355][ T5837] kthread+0x70e/0x8a0
[ 91.947368][ T5837] ret_from_fork+0x3f9/0x770
[ 91.947386][ T5837] ret_from_fork_asm+0x1a/0x30
[ 91.947398][ T5837]
[ 91.947398][ T5837] other info that might help us debug this:
[ 91.947398][ T5837]
[ 91.947402][ T5837] Chain exists of:
[ 91.947402][ T5837] console_owner --> &pool->lock --> &obj_hash[i].lock
[ 91.947402][ T5837]
[ 91.947424][ T5837] Possible unsafe locking scenario:
[ 91.947424][ T5837]
[ 91.947428][ T5837] CPU0 CPU1
[ 91.947432][ T5837] ---- ----
[ 91.947436][ T5837] lock(&obj_hash[i].lock);
[ 91.947445][ T5837] lock(&pool->lock);
[ 91.947455][ T5837] lock(&obj_hash[i].lock);
[ 91.947465][ T5837] lock(console_owner);
[ 91.947474][ T5837]
[ 91.947474][ T5837] *** DEADLOCK ***
[ 91.947474][ T5837]
[ 91.947482][ T5837] 3 locks held by bch-copygc/loop/5837:
[ 91.947490][ T5837] #0: ffffffff99cf9618 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0x85/0x3c0
[ 91.947523][ T5837] #1: ffffffff8e1332e0 (console_lock){+.+.}-{0:0}, at: _printk+0xcf/0x120
[ 91.947554][ T5837] #2: ffffffff8e01abb0 (console_srcu){....}-{0:0}, at: console_flush_all+0x13a/0xc40
[ 91.947586][ T5837]
[ 91.947586][ T5837] stack backtrace:
[ 91.947599][ T5837] CPU: 1 UID: 0 PID: 5837 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-13659-g5b032cac6225 #0 PREEMPT(full)
[ 91.947616][ T5837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 91.947627][ T5837] Call Trace:
[ 91.947636][ T5837]
[ 91.947645][ T5837] dump_stack_lvl+0x189/0x250
[ 91.947670][ T5837] ? __pfx_dump_stack_lvl+0x10/0x10
[ 91.947691][ T5837] ? __pfx__printk+0x10/0x10
[ 91.947704][ T5837] ? print_lock_name+0xde/0x100
[ 91.947728][ T5837] print_circular_bug+0x2ee/0x310
[ 91.947742][ T5837] check_noncircular+0x134/0x160
[ 91.947767][ T5837] validate_chain+0xb9b/0x2140
[ 91.947796][ T5837] __lock_acquire+0xab9/0xd20
[ 91.947816][ T5837] ? console_flush_all+0x13a/0xc40
[ 91.947830][ T5837] lock_acquire+0x120/0x360
[ 91.947847][ T5837] ? console_flush_all+0x13a/0xc40
[ 91.947864][ T5837] ? do_raw_spin_unlock+0x122/0x240
[ 91.947878][ T5837] ? console_flush_all+0x13a/0xc40
[ 91.947893][ T5837] console_flush_all+0x6d2/0xc40
[ 91.947906][ T5837] ? console_flush_all+0x13a/0xc40
[ 91.947927][ T5837] ? console_flush_all+0x13a/0xc40
[ 91.947943][ T5837] ? __pfx_console_flush_all+0x10/0x10
[ 91.947961][ T5837] ? is_printk_cpu_sync_owner+0x32/0x40
[ 91.947979][ T5837] console_unlock+0xc4/0x270
[ 91.947992][ T5837] ? __pfx_console_unlock+0x10/0x10
[ 91.948015][ T5837] ? is_printk_cpu_sync_owner+0x32/0x40
[ 91.948033][ T5837] vprintk_emit+0x5b7/0x7a0
[ 91.948046][ T5837] ? __pfx_vprintk_emit+0x10/0x10
[ 91.948066][ T5837] ? __lock_acquire+0xab9/0xd20
[ 91.948086][ T5837] ? do_raw_spin_lock+0x121/0x290
[ 91.948103][ T5837] _printk+0xcf/0x120
[ 91.948118][ T5837] ? __pfx__printk+0x10/0x10
[ 91.948134][ T5837] __debug_object_init+0x2c8/0x3c0
[ 91.948151][ T5837] ? rhashtable_init_noprof+0x4ee/0xbb0
[ 91.948175][ T5837] rhashtable_init_noprof+0x7c0/0xbb0
[ 91.948199][ T5837] bch2_copygc_thread+0x116/0xdc0
[ 91.948223][ T5837] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 91.948254][ T5837] ? finish_task_switch+0x266/0x950
[ 91.948271][ T5837] ? lockdep_hardirqs_on+0x9c/0x150
[ 91.948300][ T5837] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 91.948335][ T5837] ? __kthread_parkme+0x7b/0x200
[ 91.948356][ T5837] ? __kthread_parkme+0x1a1/0x200
[ 91.948380][ T5837] kthread+0x70e/0x8a0
[ 91.948396][ T5837] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 91.948412][ T5837] ? __pfx_kthread+0x10/0x10
[ 91.948427][ T5837] ? _raw_spin_unlock_irq+0x23/0x50
[ 91.948446][ T5837] ? lockdep_hardirqs_on+0x9c/0x150
[ 91.948467][ T5837] ? __pfx_kthread+0x10/0x10
[ 91.948482][ T5837] ret_from_fork+0x3f9/0x770
[ 91.948501][ T5837] ? __pfx_ret_from_fork+0x10/0x10
[ 91.948525][ T5837] ? __switch_to_asm+0x39/0x70
[ 91.948537][ T5837] ? __switch_to_asm+0x33/0x70
[ 91.948550][ T5837] ? __pfx_kthread+0x10/0x10
[ 91.948565][ T5837] ret_from_fork_asm+0x1a/0x30
[ 91.948583][ T5837]
[ 92.883678][ T5837] ------------[ cut here ]------------
[ 92.889151][ T5837] WARNING: CPU: 1 PID: 5837 at lib/debugobjects.c:655 __debug_object_init+0x2c9/0x3c0
[ 92.898716][ T5837] Modules linked in:
[ 92.902635][ T5837] CPU: 1 UID: 0 PID: 5837 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-13659-g5b032cac6225 #0 PREEMPT(full)
[ 92.914704][ T5837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 92.924796][ T5837] RIP: 0010:__debug_object_init+0x2c9/0x3c0
[ 92.930712][ T5837] Code: cc cc cc 41 ff c7 44 89 3d 74 5c 17 15 48 c7 c1 00 b7 e1 8b 48 c7 c7 60 b7 e1 8b 84 c0 48 0f 45 f9 48 89 de e8 a8 4c 67 fc 90 <0f> 0b 90 e9 c0 fe ff ff e8 3a 1c 00 00 8b 05 8c 7e cb 09 3b 05 8a
[ 92.950425][ T5837] RSP: 0018:ffffc9000448f6e0 EFLAGS: 00010046
[ 92.956503][ T5837] RAX: 0000000000000050 RBX: ffffc9000448fb90 RCX: 414cf10e6d66bb00
[ 92.964482][ T5837] RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
[ 92.972467][ T5837] RBP: ffff88802aa61e20 R08: ffff8880b8724293 R09: 1ffff110170e4852
[ 92.980448][ T5837] R10: dffffc0000000000 R11: ffffed10170e4853 R12: 0000000000000040
[ 92.988472][ T5837] R13: ffff88805f9c17a8 R14: dffffc0000000000 R15: 0000000000000001
[ 92.996485][ T5837] FS: 0000000000000000(0000) GS:ffff888125d84000(0000) knlGS:0000000000000000
[ 93.005435][ T5837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.012035][ T5837] CR2: 00007ff4a51e3000 CR3: 0000000075dc6000 CR4: 00000000003526f0
[ 93.020034][ T5837] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 93.028025][ T5837] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 93.036021][ T5837] Call Trace:
[ 93.039316][ T5837]
[ 93.042261][ T5837] ? rhashtable_init_noprof+0x4ee/0xbb0
[ 93.047829][ T5837] rhashtable_init_noprof+0x7c0/0xbb0
[ 93.053242][ T5837] bch2_copygc_thread+0x116/0xdc0
[ 93.058309][ T5837] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 93.063898][ T5837] ? finish_task_switch+0x266/0x950
[ 93.069114][ T5837] ? lockdep_hardirqs_on+0x9c/0x150
[ 93.074342][ T5837] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 93.079837][ T5837] ? __kthread_parkme+0x7b/0x200
[ 93.084835][ T5837] ? __kthread_parkme+0x1a1/0x200
[ 93.089880][ T5837] kthread+0x70e/0x8a0
[ 93.093967][ T5837] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 93.099555][ T5837] ? __pfx_kthread+0x10/0x10
[ 93.104185][ T5837] ? _raw_spin_unlock_irq+0x23/0x50
[ 93.109486][ T5837] ? lockdep_hardirqs_on+0x9c/0x150
[ 93.114701][ T5837] ? __pfx_kthread+0x10/0x10
[ 93.119302][ T5837] ret_from_fork+0x3f9/0x770
[ 93.123910][ T5837] ? __pfx_ret_from_fork+0x10/0x10
[ 93.129041][ T5837] ? __switch_to_asm+0x39/0x70
[ 93.133816][ T5837] ? __switch_to_asm+0x33/0x70
[ 93.138589][ T5837] ? __pfx_kthread+0x10/0x10
[ 93.143191][ T5837] ret_from_fork_asm+0x1a/0x30
[ 93.147976][ T5837]
[ 93.151003][ T5837] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 93.158287][ T5837] CPU: 1 UID: 0 PID: 5837 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-13659-g5b032cac6225 #0 PREEMPT(full)
[ 93.170357][ T5837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 93.180439][ T5837] Call Trace:
[ 93.183749][ T5837]
[ 93.186705][ T5837] dump_stack_lvl+0x99/0x250
[ 93.191334][ T5837] ? __asan_memcpy+0x40/0x70
[ 93.195950][ T5837] ? __pfx_dump_stack_lvl+0x10/0x10
[ 93.201181][ T5837] ? __pfx__printk+0x10/0x10
[ 93.205797][ T5837] panic+0x2db/0x790
[ 93.209723][ T5837] ? __pfx_panic+0x10/0x10
[ 93.214162][ T5837] ? show_trace_log_lvl+0x4fb/0x550
[ 93.219395][ T5837] ? ret_from_fork_asm+0x1a/0x30
[ 93.224359][ T5837] __warn+0x31b/0x4b0
[ 93.228372][ T5837] ? __debug_object_init+0x2c9/0x3c0
[ 93.233693][ T5837] ? __debug_object_init+0x2c9/0x3c0
[ 93.239006][ T5837] report_bug+0x2be/0x4f0
[ 93.243376][ T5837] ? __debug_object_init+0x2c9/0x3c0
[ 93.248699][ T5837] ? __debug_object_init+0x2c9/0x3c0
[ 93.254026][ T5837] ? __debug_object_init+0x2cb/0x3c0
[ 93.259337][ T5837] handle_bug+0x84/0x160
[ 93.263656][ T5837] exc_invalid_op+0x1a/0x50
[ 93.268192][ T5837] asm_exc_invalid_op+0x1a/0x20
[ 93.273066][ T5837] RIP: 0010:__debug_object_init+0x2c9/0x3c0
[ 93.278983][ T5837] Code: cc cc cc 41 ff c7 44 89 3d 74 5c 17 15 48 c7 c1 00 b7 e1 8b 48 c7 c7 60 b7 e1 8b 84 c0 48 0f 45 f9 48 89 de e8 a8 4c 67 fc 90 <0f> 0b 90 e9 c0 fe ff ff e8 3a 1c 00 00 8b 05 8c 7e cb 09 3b 05 8a
[ 93.298615][ T5837] RSP: 0018:ffffc9000448f6e0 EFLAGS: 00010046
[ 93.304712][ T5837] RAX: 0000000000000050 RBX: ffffc9000448fb90 RCX: 414cf10e6d66bb00
[ 93.312695][ T5837] RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
[ 93.320678][ T5837] RBP: ffff88802aa61e20 R08: ffff8880b8724293 R09: 1ffff110170e4852
[ 93.328663][ T5837] R10: dffffc0000000000 R11: ffffed10170e4853 R12: 0000000000000040
[ 93.336644][ T5837] R13: ffff88805f9c17a8 R14: dffffc0000000000 R15: 0000000000000001
[ 93.344640][ T5837] ? rhashtable_init_noprof+0x4ee/0xbb0
[ 93.350212][ T5837] rhashtable_init_noprof+0x7c0/0xbb0
[ 93.355606][ T5837] bch2_copygc_thread+0x116/0xdc0
[ 93.360671][ T5837] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 93.366261][ T5837] ? finish_task_switch+0x266/0x950
[ 93.371484][ T5837] ? lockdep_hardirqs_on+0x9c/0x150
[ 93.376717][ T5837] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 93.382228][ T5837] ? __kthread_parkme+0x7b/0x200
[ 93.387189][ T5837] ? __kthread_parkme+0x1a1/0x200
[ 93.392234][ T5837] kthread+0x70e/0x8a0
[ 93.396333][ T5837] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 93.401914][ T5837] ? __pfx_kthread+0x10/0x10
[ 93.406524][ T5837] ? _raw_spin_unlock_irq+0x23/0x50
[ 93.411738][ T5837] ? lockdep_hardirqs_on+0x9c/0x150
[ 93.416951][ T5837] ? __pfx_kthread+0x10/0x10
[ 93.421588][ T5837] ret_from_fork+0x3f9/0x770
[ 93.426204][ T5837] ? __pfx_ret_from_fork+0x10/0x10
[ 93.431338][ T5837] ? __switch_to_asm+0x39/0x70
[ 93.436119][ T5837] ? __switch_to_asm+0x33/0x70
[ 93.440910][ T5837] ? __pfx_kthread+0x10/0x10
[ 93.445534][ T5837] ret_from_fork_asm+0x1a/0x30
[ 93.450327][ T5837]
[ 93.453627][ T5837] Kernel Offset: disabled
[ 93.457968][ T5837] Rebooting in 86400 seconds..