./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3524990732
<...>
[ 91.112725][ T48] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.25' (ED25519) to the list of known hosts.
execve("./syz-executor3524990732", ["./syz-executor3524990732"], 0x7ffc6c926870 /* 10 vars */) = 0
brk(NULL) = 0x555586ff2000
brk(0x555586ff2d00) = 0x555586ff2d00
arch_prctl(ARCH_SET_FS, 0x555586ff2380) = 0
set_tid_address(0x555586ff2650) = 5837
set_robust_list(0x555586ff2660, 24) = 0
rseq(0x555586ff2ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3524990732", 4096) = 28
getrandom("\xb3\x35\x10\xd4\x2b\xd1\x63\xba", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555586ff2d00
brk(0x555587013d00) = 0x555587013d00
brk(0x555587014000) = 0x555587014000
mprotect(0x7fac5d6e4000, 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 5838 attached
, child_tidptr=0x555586ff2650) = 5838
[pid 5838] set_robust_list(0x555586ff2660, 24) = 0
[pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5838] setpgid(0, 0) = 0
[pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5838] write(3, "1000", 4) = 4
[pid 5838] close(3) = 0
[pid 5838] write(1, "executing program\n", 18executing program
) = 18
[pid 5838] memfd_create("syzkaller", 0) = 3
[pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fac55200000
[pid 5838] 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 5838] munmap(0x7fac55200000, 138412032) = 0
[pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5838] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5838] close(3) = 0
[pid 5838] close(4) = 0
[pid 5838] mkdir("./file0", 0777) = 0
[ 92.282334][ T5838] loop0: detected capacity change from 0 to 32768
[ 92.361047][ T5838] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=crc64,compression=lz4,journal_flush_disabled,fsck,recovery_pass_last=set_may_go_rw,reconstruct_alloc,no_data_io
[ 92.361047][ T5838] allowing incompatible features above 0.0: (unknown version)
[ 92.361047][ T5838] features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes
[ 92.402585][ T5838] bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0
[ 92.412147][ T5838] bcachefs (loop0): recovering from clean shutdown, journal seq 10
[ 92.420346][ T5838] bcachefs (loop0): Version upgrade required:
[ 92.420346][ T5838] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete
[ 92.420346][ T5838] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.28: inode_has_case_insensitive
[ 92.420346][ T5838] running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,check_rebalance_work,set_fs_needs_rebalance
[ 92.495517][ T5838] bcachefs (loop0): dropping and reconstructing all alloc info
[ 92.518158][ T5838] bcachefs (loop0): accounting_read... done
[ 92.525674][ T5838] bcachefs (loop0): alloc_read... done
[ 92.534026][ T5838] bcachefs (loop0): snapshots_read... done
[ 92.540927][ T5838] bcachefs (loop0): check_allocations... done
[ 92.566552][ T5838] bcachefs (loop0): going read-write
[ 92.593274][ T5848] ODEBUG: object ffffc9000403fb90 is on stack ffffc90004038000, but NOT annotated.
[ 92.593581][ T5848]
[ 92.593589][ T5848] ======================================================
[ 92.593598][ T5848] WARNING: possible circular locking dependency detected
[ 92.593607][ T5848] 6.16.0-rc1-syzkaller #0 Not tainted
[ 92.593619][ T5848] ------------------------------------------------------
[ 92.593628][ T5848] bch-copygc/loop/5848 is trying to acquire lock:
[ 92.593640][ T5848] ffffffff8e132fc0 (console_owner){....}-{0:0}, at: console_flush_all+0x13a/0xc40
[ 92.593701][ T5848]
[ 92.593701][ T5848] but task is already holding lock:
[ 92.593708][ T5848] ffffffff99c64a90 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0x85/0x3c0
[ 92.593756][ T5848]
[ 92.593756][ T5848] which lock already depends on the new lock.
[ 92.593756][ T5848]
[ 92.593762][ T5848]
[ 92.593762][ T5848] the existing dependency chain (in reverse order) is:
[ 92.593768][ T5848]
[ 92.593768][ T5848] -> #4 (&obj_hash[i].lock){-.-.}-{2:2}:
[ 92.593792][ T5848] lock_acquire+0x120/0x360
[ 92.593815][ T5848] _raw_spin_lock_irqsave+0xa7/0xf0
[ 92.593852][ T5848] debug_object_activate+0xbb/0x420
[ 92.593870][ T5848] insert_work+0x35/0x330
[ 92.593893][ T5848] __queue_work+0xcfc/0xfe0
[ 92.593907][ T5848] queue_work_on+0x181/0x270
[ 92.593921][ T5848] start_poll_synchronize_rcu_expedited+0xfc/0x140
[ 92.593942][ T5848] rcu_init+0x108/0x160
[ 92.593961][ T5848] start_kernel+0x1fb/0x500
[ 92.593987][ T5848] x86_64_start_reservations+0x24/0x30
[ 92.594007][ T5848] x86_64_start_kernel+0x143/0x1c0
[ 92.594026][ T5848] common_startup_64+0x13e/0x147
[ 92.594045][ T5848]
[ 92.594045][ T5848] -> #3 (&pool->lock){-.-.}-{2:2}:
[ 92.594068][ T5848] lock_acquire+0x120/0x360
[ 92.594090][ T5848] _raw_spin_lock+0x2e/0x40
[ 92.594112][ T5848] __queue_work+0x7b0/0xfe0
[ 92.594125][ T5848] queue_work_on+0x181/0x270
[ 92.594139][ T5848] rpm_suspend+0xe54/0x1720
[ 92.594156][ T5848] __pm_runtime_idle+0x12f/0x1a0
[ 92.594172][ T5848] __device_attach+0x342/0x400
[ 92.594190][ T5848] bus_probe_device+0x185/0x260
[ 92.594215][ T5848] device_add+0x7b6/0xb50
[ 92.594230][ T5848] serial_base_port_add+0x2f2/0x430
[ 92.594252][ T5848] serial_core_register_port+0x367/0x2700
[ 92.594267][ T5848] serial8250_register_8250_port+0x16db/0x2050
[ 92.594293][ T5848] serial_pnp_probe+0x527/0x790
[ 92.594318][ T5848] pnp_device_probe+0x30b/0x4c0
[ 92.594332][ T5848] really_probe+0x26d/0x9a0
[ 92.594351][ T5848] __driver_probe_device+0x18c/0x2f0
[ 92.594369][ T5848] driver_probe_device+0x4f/0x430
[ 92.594389][ T5848] __driver_attach+0x452/0x700
[ 92.594407][ T5848] bus_for_each_dev+0x233/0x2b0
[ 92.594431][ T5848] bus_add_driver+0x345/0x640
[ 92.594455][ T5848] driver_register+0x23a/0x320
[ 92.594477][ T5848] serial8250_init+0xc2/0x1c0
[ 92.594495][ T5848] do_one_initcall+0x236/0x820
[ 92.594511][ T5848] do_initcall_level+0x137/0x1f0
[ 92.594526][ T5848] do_initcalls+0x69/0xd0
[ 92.594540][ T5848] kernel_init_freeable+0x3d9/0x570
[ 92.594555][ T5848] kernel_init+0x1d/0x1d0
[ 92.594578][ T5848] ret_from_fork+0x3fc/0x770
[ 92.594601][ T5848] ret_from_fork_asm+0x1a/0x30
[ 92.594618][ T5848]
[ 92.594618][ T5848] -> #2 (&dev->power.lock){-.-.}-{3:3}:
[ 92.594641][ T5848] lock_acquire+0x120/0x360
[ 92.594663][ T5848] _raw_spin_lock_irqsave+0xa7/0xf0
[ 92.594686][ T5848] __pm_runtime_resume+0x10f/0x180
[ 92.594703][ T5848] __uart_start+0x171/0x440
[ 92.594717][ T5848] uart_write+0xdc/0x130
[ 92.594731][ T5848] n_tty_write+0xd35/0x11d0
[ 92.594752][ T5848] file_tty_write+0x503/0x990
[ 92.594766][ T5848] vfs_write+0x54b/0xa90
[ 92.594792][ T5848] ksys_write+0x145/0x250
[ 92.594805][ T5848] do_syscall_64+0xfa/0x3b0
[ 92.594820][ T5848] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 92.594837][ T5848]
[ 92.594837][ T5848] -> #1 (&port_lock_key){-.-.}-{3:3}:
[ 92.594860][ T5848] lock_acquire+0x120/0x360
[ 92.594882][ T5848] _raw_spin_lock_irqsave+0xa7/0xf0
[ 92.594905][ T5848] serial8250_console_write+0x17e/0x1ba0
[ 92.594923][ T5848] console_flush_all+0x728/0xc40
[ 92.594940][ T5848] console_unlock+0xc4/0x270
[ 92.594955][ T5848] vprintk_emit+0x5b7/0x7a0
[ 92.594969][ T5848] _printk+0xcf/0x120
[ 92.594985][ T5848] register_console+0xa8b/0xf90
[ 92.595003][ T5848] univ8250_console_init+0x52/0x90
[ 92.595020][ T5848] console_init+0x1a1/0x670
[ 92.595037][ T5848] start_kernel+0x2cc/0x500
[ 92.595062][ T5848] x86_64_start_reservations+0x24/0x30
[ 92.595082][ T5848] x86_64_start_kernel+0x143/0x1c0
[ 92.595101][ T5848] common_startup_64+0x13e/0x147
[ 92.595119][ T5848]
[ 92.595119][ T5848] -> #0 (console_owner){....}-{0:0}:
[ 92.595142][ T5848] validate_chain+0xb9b/0x2140
[ 92.595156][ T5848] __lock_acquire+0xab9/0xd20
[ 92.595178][ T5848] lock_acquire+0x120/0x360
[ 92.595200][ T5848] console_flush_all+0x6d2/0xc40
[ 92.595217][ T5848] console_unlock+0xc4/0x270
[ 92.595231][ T5848] vprintk_emit+0x5b7/0x7a0
[ 92.595246][ T5848] _printk+0xcf/0x120
[ 92.595261][ T5848] __debug_object_init+0x2c8/0x3c0
[ 92.595279][ T5848] rhashtable_init_noprof+0x7c0/0xbb0
[ 92.595305][ T5848] bch2_copygc_thread+0x116/0xdc0
[ 92.595331][ T5848] kthread+0x711/0x8a0
[ 92.595348][ T5848] ret_from_fork+0x3fc/0x770
[ 92.595371][ T5848] ret_from_fork_asm+0x1a/0x30
[ 92.595388][ T5848]
[ 92.595388][ T5848] other info that might help us debug this:
[ 92.595388][ T5848]
[ 92.595393][ T5848] Chain exists of:
[ 92.595393][ T5848] console_owner --> &pool->lock --> &obj_hash[i].lock
[ 92.595393][ T5848]
[ 92.595421][ T5848] Possible unsafe locking scenario:
[ 92.595421][ T5848]
[ 92.595426][ T5848] CPU0 CPU1
[ 92.595431][ T5848] ---- ----
[ 92.595436][ T5848] lock(&obj_hash[i].lock);
[ 92.595448][ T5848] lock(&pool->lock);
[ 92.595461][ T5848] lock(&obj_hash[i].lock);
[ 92.595474][ T5848] lock(console_owner);
[ 92.595486][ T5848]
[ 92.595486][ T5848] *** DEADLOCK ***
[ 92.595486][ T5848]
[ 92.595490][ T5848] 3 locks held by bch-copygc/loop/5848:
[ 92.595501][ T5848] #0: ffffffff99c64a90 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0x85/0x3c0
[ 92.595544][ T5848] #1: ffffffff8e133020 (console_lock){+.+.}-{0:0}, at: _printk+0xcf/0x120
[ 92.595588][ T5848] #2: ffffffff8e01a8f0 (console_srcu){....}-{0:0}, at: console_flush_all+0x13a/0xc40
[ 92.595630][ T5848]
[ 92.595630][ T5848] stack backtrace:
[ 92.595639][ T5848] CPU: 0 UID: 0 PID: 5848 Comm: bch-copygc/loop Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(full)
[ 92.595658][ T5848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 92.595669][ T5848] Call Trace:
[ 92.595675][ T5848]
[ 92.595682][ T5848] dump_stack_lvl+0x189/0x250
[ 92.595712][ T5848] ? __pfx_dump_stack_lvl+0x10/0x10
[ 92.595739][ T5848] ? __pfx__printk+0x10/0x10
[ 92.595758][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 92.595779][ T5848] ? print_lock_name+0xde/0x100
[ 92.595798][ T5848] print_circular_bug+0x2ee/0x310
[ 92.595817][ T5848] check_noncircular+0x134/0x160
[ 92.595837][ T5848] validate_chain+0xb9b/0x2140
[ 92.595863][ T5848] __lock_acquire+0xab9/0xd20
[ 92.595890][ T5848] ? console_flush_all+0x13a/0xc40
[ 92.595908][ T5848] lock_acquire+0x120/0x360
[ 92.595931][ T5848] ? console_flush_all+0x13a/0xc40
[ 92.595951][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 92.595973][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 92.595993][ T5848] ? do_raw_spin_unlock+0x122/0x240
[ 92.596012][ T5848] ? console_flush_all+0x13a/0xc40
[ 92.596032][ T5848] console_flush_all+0x6d2/0xc40
[ 92.596050][ T5848] ? console_flush_all+0x13a/0xc40
[ 92.596070][ T5848] ? console_flush_all+0x13a/0xc40
[ 92.596092][ T5848] ? __pfx_console_flush_all+0x10/0x10
[ 92.596115][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 92.596135][ T5848] ? is_printk_cpu_sync_owner+0x32/0x40
[ 92.596159][ T5848] console_unlock+0xc4/0x270
[ 92.596176][ T5848] ? __pfx_console_unlock+0x10/0x10
[ 92.596194][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 92.596214][ T5848] ? is_printk_cpu_sync_owner+0x32/0x40
[ 92.596237][ T5848] vprintk_emit+0x5b7/0x7a0
[ 92.596255][ T5848] ? __pfx_vprintk_emit+0x10/0x10
[ 92.596271][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 92.596291][ T5848] ? __lock_acquire+0xab9/0xd20
[ 92.596318][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 92.596337][ T5848] ? do_raw_spin_lock+0x121/0x290
[ 92.596359][ T5848] _printk+0xcf/0x120
[ 92.596379][ T5848] ? __pfx__printk+0x10/0x10
[ 92.596396][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 92.596418][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 92.596442][ T5848] __debug_object_init+0x2c8/0x3c0
[ 92.596462][ T5848] ? rhashtable_init_noprof+0x4ee/0xbb0
[ 92.596492][ T5848] rhashtable_init_noprof+0x7c0/0xbb0
[ 92.596522][ T5848] bch2_copygc_thread+0x116/0xdc0
[ 92.596551][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 92.596571][ T5848] ? __lock_acquire+0xab9/0xd20
[ 92.596604][ T5848] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 92.596649][ T5848] ? finish_task_switch+0x266/0x950
[ 92.596671][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 92.596691][ T5848] ? lockdep_hardirqs_on+0x9c/0x150
[ 92.596725][ T5848] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 92.596768][ T5848] ? __kthread_parkme+0x7b/0x200
[ 92.596784][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 92.596804][ T5848] ? __kthread_parkme+0x1a1/0x200
[ 92.596822][ T5848] kthread+0x711/0x8a0
[ 92.596843][ T5848] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 92.596870][ T5848] ? __pfx_kthread+0x10/0x10
[ 92.596887][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 92.596909][ T5848] ? _raw_spin_unlock_irq+0x23/0x50
[ 92.596933][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 92.596953][ T5848] ? lockdep_hardirqs_on+0x9c/0x150
[ 92.596978][ T5848] ? __pfx_kthread+0x10/0x10
[ 92.596997][ T5848] ret_from_fork+0x3fc/0x770
[ 92.597023][ T5848] ? __pfx_ret_from_fork+0x10/0x10
[ 92.597050][ T5848] ? __switch_to_asm+0x39/0x70
[ 92.597067][ T5848] ? __switch_to_asm+0x33/0x70
[ 92.597085][ T5848] ? __pfx_kthread+0x10/0x10
[ 92.597104][ T5848] ret_from_fork_asm+0x1a/0x30
[ 92.597129][ T5848]
[ 92.602508][ T5838] bcachefs (loop0): done starting filesystem
[ 92.607113][ T5848] ------------[ cut here ]------------
[ 93.619214][ T5848] WARNING: CPU: 0 PID: 5848 at lib/debugobjects.c:655 __debug_object_init+0x2c9/0x3c0
[ 93.628772][ T5848] Modules linked in:
[ 93.632657][ T5848] CPU: 0 UID: 0 PID: 5848 Comm: bch-copygc/loop Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(full)
[ 93.643315][ T5848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 93.653353][ T5848] RIP: 0010:__debug_object_init+0x2c9/0x3c0
[ 93.659235][ T5848] Code: 48 fc cc 41 ff c7 44 89 3d d4 48 13 15 48 c7 c1 40 8b e2 8b 48 c7 c7 a0 8b e2 8b 84 c0 48 0f 45 f9 48 89 de e8 48 1b 60 fc 90 <0f> 0b 90 e9 c0 fe ff ff e8 3a 1c 00 00 8b 05 ac 64 c5 09 3b 05 aa
[ 93.678834][ T5848] RSP: 0018:ffffc9000403f6e0 EFLAGS: 00010046
[ 93.684893][ T5848] RAX: 0000000000000050 RBX: ffffc9000403fb90 RCX: 6f0dc466532deb00
[ 93.692870][ T5848] RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
[ 93.700824][ T5848] RBP: ffff88802a525a20 R08: ffff8880b8624293 R09: 1ffff110170c4852
[ 93.708782][ T5848] R10: dffffc0000000000 R11: ffffed10170c4853 R12: 0000000000000040
[ 93.716741][ T5848] R13: ffff88807783d188 R14: dffffc0000000000 R15: 0000000000000001
[ 93.724720][ T5848] FS: 0000000000000000(0000) GS:ffff888125c52000(0000) knlGS:0000000000000000
[ 93.733645][ T5848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.740235][ T5848] CR2: 0000564c0dd1b2b0 CR3: 0000000071432000 CR4: 0000000000350ef0
[ 93.748198][ T5848] Call Trace:
[ 93.751464][ T5848]
[ 93.754382][ T5848] ? rhashtable_init_noprof+0x4ee/0xbb0
[ 93.759934][ T5848] rhashtable_init_noprof+0x7c0/0xbb0
[ 93.765308][ T5848] bch2_copygc_thread+0x116/0xdc0
[ 93.770332][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 93.775955][ T5848] ? __lock_acquire+0xab9/0xd20
[ 93.780805][ T5848] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 93.786366][ T5848] ? finish_task_switch+0x266/0x950
[ 93.791559][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 93.797190][ T5848] ? lockdep_hardirqs_on+0x9c/0x150
[ 93.802393][ T5848] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 93.807864][ T5848] ? __kthread_parkme+0x7b/0x200
[ 93.812786][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 93.818425][ T5848] ? __kthread_parkme+0x1a1/0x200
[ 93.823439][ T5848] kthread+0x711/0x8a0
[ 93.827517][ T5848] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 93.833056][ T5848] ? __pfx_kthread+0x10/0x10
[ 93.837631][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 93.843253][ T5848] ? _raw_spin_unlock_irq+0x23/0x50
[ 93.848448][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 93.854070][ T5848] ? lockdep_hardirqs_on+0x9c/0x150
[ 93.859261][ T5848] ? __pfx_kthread+0x10/0x10
[ 93.863841][ T5848] ret_from_fork+0x3fc/0x770
[ 93.868426][ T5848] ? __pfx_ret_from_fork+0x10/0x10
[ 93.873536][ T5848] ? __switch_to_asm+0x39/0x70
[ 93.878292][ T5848] ? __switch_to_asm+0x33/0x70
[ 93.883063][ T5848] ? __pfx_kthread+0x10/0x10
[ 93.887641][ T5848] ret_from_fork_asm+0x1a/0x30
[ 93.892400][ T5848]
[ 93.895406][ T5848] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 93.902675][ T5848] CPU: 0 UID: 0 PID: 5848 Comm: bch-copygc/loop Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(full)
[ 93.913335][ T5848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 93.923377][ T5848] Call Trace:
[ 93.926645][ T5848]
[ 93.929560][ T5848] dump_stack_lvl+0x99/0x250
[ 93.934157][ T5848] ? __asan_memcpy+0x40/0x70
[ 93.938742][ T5848] ? __pfx_dump_stack_lvl+0x10/0x10
[ 93.943944][ T5848] ? __pfx__printk+0x10/0x10
[ 93.948531][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 93.954156][ T5848] panic+0x2db/0x790
[ 93.958080][ T5848] ? __pfx_panic+0x10/0x10
[ 93.962493][ T5848] ? show_trace_log_lvl+0x4fb/0x550
[ 93.967691][ T5848] ? ret_from_fork_asm+0x1a/0x30
[ 93.972622][ T5848] __warn+0x31b/0x4b0
[ 93.976604][ T5848] ? __debug_object_init+0x2c9/0x3c0
[ 93.981885][ T5848] ? __debug_object_init+0x2c9/0x3c0
[ 93.987158][ T5848] report_bug+0x2be/0x4f0
[ 93.991488][ T5848] ? __debug_object_init+0x2c9/0x3c0
[ 93.996764][ T5848] ? __debug_object_init+0x2c9/0x3c0
[ 94.002041][ T5848] ? __debug_object_init+0x2cb/0x3c0
[ 94.007319][ T5848] handle_bug+0x84/0x160
[ 94.011555][ T5848] exc_invalid_op+0x1a/0x50
[ 94.016051][ T5848] asm_exc_invalid_op+0x1a/0x20
[ 94.020885][ T5848] RIP: 0010:__debug_object_init+0x2c9/0x3c0
[ 94.026769][ T5848] Code: 48 fc cc 41 ff c7 44 89 3d d4 48 13 15 48 c7 c1 40 8b e2 8b 48 c7 c7 a0 8b e2 8b 84 c0 48 0f 45 f9 48 89 de e8 48 1b 60 fc 90 <0f> 0b 90 e9 c0 fe ff ff e8 3a 1c 00 00 8b 05 ac 64 c5 09 3b 05 aa
[ 94.046456][ T5848] RSP: 0018:ffffc9000403f6e0 EFLAGS: 00010046
[ 94.052517][ T5848] RAX: 0000000000000050 RBX: ffffc9000403fb90 RCX: 6f0dc466532deb00
[ 94.060475][ T5848] RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
[ 94.068436][ T5848] RBP: ffff88802a525a20 R08: ffff8880b8624293 R09: 1ffff110170c4852
[ 94.076398][ T5848] R10: dffffc0000000000 R11: ffffed10170c4853 R12: 0000000000000040
[ 94.084359][ T5848] R13: ffff88807783d188 R14: dffffc0000000000 R15: 0000000000000001
[ 94.092364][ T5848] ? rhashtable_init_noprof+0x4ee/0xbb0
[ 94.097914][ T5848] rhashtable_init_noprof+0x7c0/0xbb0
[ 94.103294][ T5848] bch2_copygc_thread+0x116/0xdc0
[ 94.108323][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 94.113944][ T5848] ? __lock_acquire+0xab9/0xd20
[ 94.118793][ T5848] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 94.124356][ T5848] ? finish_task_switch+0x266/0x950
[ 94.129545][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 94.135167][ T5848] ? lockdep_hardirqs_on+0x9c/0x150
[ 94.140366][ T5848] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 94.145842][ T5848] ? __kthread_parkme+0x7b/0x200
[ 94.150771][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 94.156409][ T5848] ? __kthread_parkme+0x1a1/0x200
[ 94.161434][ T5848] kthread+0x711/0x8a0
[ 94.165499][ T5848] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 94.171130][ T5848] ? __pfx_kthread+0x10/0x10
[ 94.175711][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 94.181337][ T5848] ? _raw_spin_unlock_irq+0x23/0x50
[ 94.186563][ T5848] ? srso_alias_return_thunk+0x5/0xfbef5
[ 94.192193][ T5848] ? lockdep_hardirqs_on+0x9c/0x150
[ 94.197386][ T5848] ? __pfx_kthread+0x10/0x10
[ 94.201969][ T5848] ret_from_fork+0x3fc/0x770
[ 94.206556][ T5848] ? __pfx_ret_from_fork+0x10/0x10
[ 94.211670][ T5848] ? __switch_to_asm+0x39/0x70
[ 94.216423][ T5848] ? __switch_to_asm+0x33/0x70
[ 94.221175][ T5848] ? __pfx_kthread+0x10/0x10
[ 94.225761][ T5848] ret_from_fork_asm+0x1a/0x30
[ 94.230522][ T5848]
[ 94.233762][ T5848] Kernel Offset: disabled
[ 94.238079][ T5848] Rebooting in 86400 seconds..