./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1093545669
<...>
[ 101.414127][ T3399] cfg80211: failed to load regulatory.db
Warning: Permanently added '10.128.1.7' (ED25519) to the list of known hosts.
execve("./syz-executor1093545669", ["./syz-executor1093545669"], 0x7ffdcf7fc460 /* 10 vars */) = 0
brk(NULL) = 0x5555640e0000
brk(0x5555640e0d00) = 0x5555640e0d00
arch_prctl(ARCH_SET_FS, 0x5555640e0380) = 0
set_tid_address(0x5555640e0650) = 5833
set_robust_list(0x5555640e0660, 24) = 0
rseq(0x5555640e0ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1093545669", 4096) = 28
getrandom("\x47\xc9\x54\x8f\xd9\x4d\x2f\x87", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555640e0d00
brk(0x555564101d00) = 0x555564101d00
brk(0x555564102000) = 0x555564102000
mprotect(0x7fc032a8b000, 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 5834 attached
, child_tidptr=0x5555640e0650) = 5834
[pid 5834] set_robust_list(0x5555640e0660, 24) = 0
[pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5834] setpgid(0, 0) = 0
[pid 5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5834] write(3, "1000", 4) = 4
[pid 5834] close(3) = 0
executing program
[pid 5834] write(1, "executing program\n", 18) = 18
[pid 5834] memfd_create("syzkaller", 0) = 3
[pid 5834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc02a400000
[pid 5834] 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 5834] munmap(0x7fc02a400000, 138412032) = 0
[pid 5834] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5834] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5834] close(3) = 0
[pid 5834] close(4) = 0
[pid 5834] mkdir("./file0", 0777) = 0
[ 105.810679][ T5834] loop0: detected capacity change from 0 to 32768
[ 105.911660][ T5834] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,foreground_target=invalid label 767,background_target=invalid device 7,nojournal_transaction_names
[ 105.911660][ T5834] allowing incompatible features above 0.0: (unknown version)
[ 105.911660][ T5834] features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes
[ 105.956055][ T5834] bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0
[ 105.964872][ T5834] bcachefs (loop0): initializing new filesystem
[ 105.982801][ T5834] bcachefs (loop0): going read-write
[ 106.023769][ T5847] ODEBUG: object ffffc9000419fa98 is on stack ffffc90004198000, but NOT annotated.
[ 106.024151][ T5847]
[ 106.024161][ T5847] ======================================================
[ 106.024173][ T5847] WARNING: possible circular locking dependency detected
[ 106.024187][ T5847] 6.16.0-rc1-syzkaller-00003-gf09079bd04a9 #0 Not tainted
[ 106.024208][ T5847] ------------------------------------------------------
[ 106.024220][ T5847] bch-copygc/loop/5847 is trying to acquire lock:
[ 106.024238][ T5847] ffffffff8e4d1dc0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x9f/0xd0
[ 106.024352][ T5847]
[ 106.024352][ T5847] but task is already holding lock:
[ 106.024363][ T5847] ffffffff9afce380 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0xec/0x3d0
[ 106.024450][ T5847]
[ 106.024450][ T5847] which lock already depends on the new lock.
[ 106.024450][ T5847]
[ 106.024461][ T5847]
[ 106.024461][ T5847] the existing dependency chain (in reverse order) is:
[ 106.024473][ T5847]
[ 106.024473][ T5847] -> #4 (&obj_hash[i].lock){-.-.}-{2:2}:
[ 106.024522][ T5847] _raw_spin_lock_irqsave+0x3a/0x60
[ 106.024579][ T5847] debug_object_activate+0x14c/0x4c0
[ 106.024617][ T5847] insert_work+0x2e/0x230
[ 106.024647][ T5847] __queue_work+0x97e/0x10f0
[ 106.024682][ T5847] queue_work_on+0x15f/0x1f0
[ 106.024715][ T5847] start_poll_synchronize_rcu_expedited+0x113/0x190
[ 106.024769][ T5847] rcu_init+0xe95/0x1630
[ 106.024823][ T5847] start_kernel+0x1df/0x4d0
[ 106.024867][ T5847] x86_64_start_reservations+0x18/0x30
[ 106.024914][ T5847] x86_64_start_kernel+0x130/0x190
[ 106.024960][ T5847] common_startup_64+0x13e/0x148
[ 106.025018][ T5847]
[ 106.025018][ T5847] -> #3 (&pool->lock){-.-.}-{2:2}:
[ 106.025063][ T5847] _raw_spin_lock+0x2e/0x40
[ 106.025110][ T5847] __queue_work+0x26b/0x10f0
[ 106.025142][ T5847] queue_work_on+0x15f/0x1f0
[ 106.025174][ T5847] rpm_suspend+0xeba/0x11d0
[ 106.025227][ T5847] rpm_idle+0x5b4/0x730
[ 106.025280][ T5847] __pm_runtime_idle+0xba/0x1a0
[ 106.025342][ T5847] __device_attach+0x37e/0x4b0
[ 106.025397][ T5847] bus_probe_device+0x17f/0x1c0
[ 106.025444][ T5847] device_add+0x1148/0x1a70
[ 106.025478][ T5847] serial_base_port_add+0x357/0x4b0
[ 106.025515][ T5847] serial_core_register_port+0x13c/0x2570
[ 106.025551][ T5847] serial8250_register_8250_port+0x159b/0x23c0
[ 106.025601][ T5847] serial_pnp_probe+0x431/0x910
[ 106.025648][ T5847] pnp_device_probe+0x2a8/0x4d0
[ 106.025685][ T5847] really_probe+0x241/0xa90
[ 106.025736][ T5847] __driver_probe_device+0x1de/0x440
[ 106.025791][ T5847] driver_probe_device+0x4c/0x1b0
[ 106.025844][ T5847] __driver_attach+0x283/0x580
[ 106.025898][ T5847] bus_for_each_dev+0x13e/0x1d0
[ 106.025940][ T5847] bus_add_driver+0x2e9/0x690
[ 106.025987][ T5847] driver_register+0x15c/0x4b0
[ 106.026019][ T5847] serial8250_init+0xc9/0x1e0
[ 106.026065][ T5847] do_one_initcall+0x123/0x6e0
[ 106.026100][ T5847] kernel_init_freeable+0x5c2/0x900
[ 106.026146][ T5847] kernel_init+0x1c/0x2b0
[ 106.026187][ T5847] ret_from_fork+0x5d7/0x6f0
[ 106.026238][ T5847] ret_from_fork_asm+0x1a/0x30
[ 106.026273][ T5847]
[ 106.026273][ T5847] -> #2 (&dev->power.lock){-...}-{3:3}:
[ 106.026328][ T5847] _raw_spin_lock_irqsave+0x3a/0x60
[ 106.026380][ T5847] __pm_runtime_resume+0xa9/0x170
[ 106.026436][ T5847] __uart_start+0x1b0/0x4c0
[ 106.026482][ T5847] uart_write+0x218/0xb30
[ 106.026510][ T5847] n_tty_write+0x412/0x1160
[ 106.026548][ T5847] file_tty_write.constprop.0+0x504/0x9b0
[ 106.026607][ T5847] redirected_tty_write+0xd4/0x150
[ 106.026663][ T5847] vfs_write+0x6c7/0x1150
[ 106.026698][ T5847] ksys_write+0x12a/0x250
[ 106.026733][ T5847] do_syscall_64+0xcd/0x4c0
[ 106.026764][ T5847] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 106.026799][ T5847]
[ 106.026799][ T5847] -> #1 (&port_lock_key){-.-.}-{3:3}:
[ 106.026845][ T5847] _raw_spin_lock_irqsave+0x3a/0x60
[ 106.026896][ T5847] serial8250_console_write+0x181/0x1890
[ 106.026939][ T5847] console_flush_all+0x801/0xc60
[ 106.026979][ T5847] console_unlock+0xd8/0x210
[ 106.027017][ T5847] vprintk_emit+0x418/0x6d0
[ 106.027057][ T5847] _printk+0xc7/0x100
[ 106.027112][ T5847] register_console+0xc2d/0x11b0
[ 106.027155][ T5847] univ8250_console_init+0x5f/0x90
[ 106.027199][ T5847] console_init+0x14f/0x680
[ 106.027244][ T5847] start_kernel+0x29f/0x4d0
[ 106.027287][ T5847] x86_64_start_reservations+0x18/0x30
[ 106.027342][ T5847] x86_64_start_kernel+0x130/0x190
[ 106.027388][ T5847] common_startup_64+0x13e/0x148
[ 106.027446][ T5847]
[ 106.027446][ T5847] -> #0 (console_owner){....}-{0:0}:
[ 106.027490][ T5847] __lock_acquire+0x126f/0x1c90
[ 106.027545][ T5847] lock_acquire+0x179/0x350
[ 106.027598][ T5847] console_lock_spinning_enable+0xb0/0xd0
[ 106.027638][ T5847] console_flush_all+0x7aa/0xc60
[ 106.027677][ T5847] console_unlock+0xd8/0x210
[ 106.027714][ T5847] vprintk_emit+0x418/0x6d0
[ 106.027755][ T5847] _printk+0xc7/0x100
[ 106.027806][ T5847] lookup_object_or_alloc.part.0+0x3d7/0x590
[ 106.027846][ T5847] __debug_object_init+0x2a9/0x3d0
[ 106.027883][ T5847] __init_work+0x4c/0x60
[ 106.027933][ T5847] rhashtable_init_noprof+0x49f/0x7e0
[ 106.027984][ T5847] bch2_copygc_thread+0xf6/0xdd0
[ 106.028032][ T5847] kthread+0x3c5/0x780
[ 106.028086][ T5847] ret_from_fork+0x5d7/0x6f0
[ 106.028136][ T5847] ret_from_fork_asm+0x1a/0x30
[ 106.028171][ T5847]
[ 106.028171][ T5847] other info that might help us debug this:
[ 106.028171][ T5847]
[ 106.028181][ T5847] Chain exists of:
[ 106.028181][ T5847] console_owner --> &pool->lock --> &obj_hash[i].lock
[ 106.028181][ T5847]
[ 106.028234][ T5847] Possible unsafe locking scenario:
[ 106.028234][ T5847]
[ 106.028243][ T5847] CPU0 CPU1
[ 106.028253][ T5847] ---- ----
[ 106.028262][ T5847] lock(&obj_hash[i].lock);
[ 106.028284][ T5847] lock(&pool->lock);
[ 106.028315][ T5847] lock(&obj_hash[i].lock);
[ 106.028340][ T5847] lock(console_owner);
[ 106.028362][ T5847]
[ 106.028362][ T5847] *** DEADLOCK ***
[ 106.028362][ T5847]
[ 106.028370][ T5847] 3 locks held by bch-copygc/loop/5847:
[ 106.028391][ T5847] #0: ffffffff9afce380 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0xec/0x3d0
[ 106.028477][ T5847] #1: ffffffff8e5b2200 (console_lock){+.+.}-{0:0}, at: _printk+0xc7/0x100
[ 106.028578][ T5847] #2: ffffffff8e5b2270 (console_srcu){....}-{0:0}, at: console_flush_all+0x158/0xc60
[ 106.028666][ T5847]
[ 106.028666][ T5847] stack backtrace:
[ 106.028680][ T5847] CPU: 1 UID: 0 PID: 5847 Comm: bch-copygc/loop Not tainted 6.16.0-rc1-syzkaller-00003-gf09079bd04a9 #0 PREEMPT(full)
[ 106.028726][ T5847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 106.028747][ T5847] Call Trace:
[ 106.028758][ T5847]
[ 106.028770][ T5847] dump_stack_lvl+0x116/0x1f0
[ 106.028831][ T5847] print_circular_bug+0x275/0x350
[ 106.028888][ T5847] check_noncircular+0x14c/0x170
[ 106.028949][ T5847] __lock_acquire+0x126f/0x1c90
[ 106.029013][ T5847] lock_acquire+0x179/0x350
[ 106.029069][ T5847] ? console_lock_spinning_enable+0x9f/0xd0
[ 106.029114][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.029164][ T5847] console_lock_spinning_enable+0xb0/0xd0
[ 106.029206][ T5847] ? console_lock_spinning_enable+0x9f/0xd0
[ 106.029248][ T5847] console_flush_all+0x7aa/0xc60
[ 106.029295][ T5847] ? __pfx_console_flush_all+0x10/0x10
[ 106.029349][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.029395][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.029439][ T5847] ? is_printk_cpu_sync_owner+0x32/0x40
[ 106.029490][ T5847] console_unlock+0xd8/0x210
[ 106.029528][ T5847] ? __pfx_console_unlock+0x10/0x10
[ 106.029568][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.029609][ T5847] ? do_raw_spin_unlock+0x100/0x230
[ 106.029646][ T5847] ? _printk+0xc7/0x100
[ 106.029700][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.029742][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.029788][ T5847] vprintk_emit+0x418/0x6d0
[ 106.029830][ T5847] ? __pfx_vprintk_emit+0x10/0x10
[ 106.029874][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.029920][ T5847] _printk+0xc7/0x100
[ 106.029974][ T5847] ? __pfx__printk+0x10/0x10
[ 106.030032][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.030073][ T5847] ? do_raw_spin_lock+0x12c/0x2b0
[ 106.030110][ T5847] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 106.030152][ T5847] lookup_object_or_alloc.part.0+0x3d7/0x590
[ 106.030198][ T5847] __debug_object_init+0x2a9/0x3d0
[ 106.030238][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.030286][ T5847] ? __pfx___debug_object_init+0x10/0x10
[ 106.030343][ T5847] __init_work+0x4c/0x60
[ 106.030396][ T5847] rhashtable_init_noprof+0x49f/0x7e0
[ 106.030453][ T5847] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 106.030505][ T5847] bch2_copygc_thread+0xf6/0xdd0
[ 106.030558][ T5847] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 106.030619][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.030665][ T5847] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 106.030740][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.030784][ T5847] ? rcu_is_watching+0x12/0xc0
[ 106.030827][ T5847] ? finish_task_switch.isra.0+0x221/0xc10
[ 106.030874][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.030918][ T5847] ? lockdep_hardirqs_on+0x7c/0x110
[ 106.030978][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.031022][ T5847] ? finish_task_switch.isra.0+0x221/0xc10
[ 106.031093][ T5847] ? rcu_is_watching+0x12/0xc0
[ 106.031137][ T5847] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 106.031190][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.031222][ T5847] ? lockdep_hardirqs_on+0x7c/0x110
[ 106.031265][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.031298][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.031335][ T5847] ? __kthread_parkme+0x19e/0x250
[ 106.031373][ T5847] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 106.031417][ T5847] kthread+0x3c5/0x780
[ 106.031477][ T5847] ? __pfx_kthread+0x10/0x10
[ 106.031522][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 106.031555][ T5847] ? rcu_is_watching+0x12/0xc0
[ 106.031587][ T5847] ? __pfx_kthread+0x10/0x10
[ 106.031631][ T5847] ret_from_fork+0x5d7/0x6f0
[ 106.031669][ T5847] ? __pfx_kthread+0x10/0x10
[ 106.031712][ T5847] ret_from_fork_asm+0x1a/0x30
[ 106.031747][ T5847]
[ 107.045923][ T5847] ------------[ cut here ]------------
[ 107.051379][ T5847] WARNING: CPU: 1 PID: 5847 at lib/debugobjects.c:655 lookup_object_or_alloc.part.0+0x2b1/0x590
[ 107.061830][ T5847] Modules linked in:
[ 107.065736][ T5847] CPU: 1 UID: 0 PID: 5847 Comm: bch-copygc/loop Not tainted 6.16.0-rc1-syzkaller-00003-gf09079bd04a9 #0 PREEMPT(full)
[ 107.078167][ T5847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 107.088229][ T5847] RIP: 0010:lookup_object_or_alloc.part.0+0x2b1/0x590
[ 107.095020][ T5847] 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 a0 ea bb fc 90 <0f> 0b 90 48 83 c4 18 48 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 d1
[ 107.114650][ T5847] RSP: 0018:ffffc9000419f7b0 EFLAGS: 00010086
[ 107.120730][ T5847] RAX: 0000000000000050 RBX: ffff888033b838f8 RCX: ffffffff819b01d9
[ 107.128710][ T5847] RDX: 0000000000000000 RSI: ffffffff819b8066 RDI: 0000000000000005
[ 107.136692][ T5847] RBP: ffff8880791b8000 R08: 0000000000000005 R09: 0000000000000000
[ 107.144675][ T5847] R10: 0000000080000001 R11: 0000000034383554 R12: ffffc9000419fa98
[ 107.152654][ T5847] R13: ffff8880791b8000 R14: 0000000000000000 R15: 0000000000000000
[ 107.160721][ T5847] FS: 0000000000000000(0000) GS:ffff88812485b000(0000) knlGS:0000000000000000
[ 107.169663][ T5847] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 107.176255][ T5847] CR2: 00007f8201332e9c CR3: 000000007453d000 CR4: 0000000000350ef0
[ 107.184241][ T5847] Call Trace:
[ 107.187523][ T5847]
[ 107.190463][ T5847] __debug_object_init+0x2a9/0x3d0
[ 107.195599][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.201259][ T5847] ? __pfx___debug_object_init+0x10/0x10
[ 107.206922][ T5847] __init_work+0x4c/0x60
[ 107.211205][ T5847] rhashtable_init_noprof+0x49f/0x7e0
[ 107.216611][ T5847] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 107.222188][ T5847] bch2_copygc_thread+0xf6/0xdd0
[ 107.227166][ T5847] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 107.232752][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.238410][ T5847] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 107.243919][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.249574][ T5847] ? rcu_is_watching+0x12/0xc0
[ 107.254361][ T5847] ? finish_task_switch.isra.0+0x221/0xc10
[ 107.260196][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.265857][ T5847] ? lockdep_hardirqs_on+0x7c/0x110
[ 107.271102][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.276757][ T5847] ? finish_task_switch.isra.0+0x221/0xc10
[ 107.282619][ T5847] ? rcu_is_watching+0x12/0xc0
[ 107.287409][ T5847] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 107.293250][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.298905][ T5847] ? lockdep_hardirqs_on+0x7c/0x110
[ 107.304143][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.309798][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.315454][ T5847] ? __kthread_parkme+0x19e/0x250
[ 107.320507][ T5847] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 107.326084][ T5847] kthread+0x3c5/0x780
[ 107.330192][ T5847] ? __pfx_kthread+0x10/0x10
[ 107.334818][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.340471][ T5847] ? rcu_is_watching+0x12/0xc0
[ 107.345261][ T5847] ? __pfx_kthread+0x10/0x10
[ 107.349886][ T5847] ret_from_fork+0x5d7/0x6f0
[ 107.354509][ T5847] ? __pfx_kthread+0x10/0x10
[ 107.359136][ T5847] ret_from_fork_asm+0x1a/0x30
[ 107.363924][ T5847]
[ 107.366947][ T5847] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 107.374234][ T5847] CPU: 1 UID: 0 PID: 5847 Comm: bch-copygc/loop Not tainted 6.16.0-rc1-syzkaller-00003-gf09079bd04a9 #0 PREEMPT(full)
[ 107.386669][ T5847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 107.396757][ T5847] Call Trace:
[ 107.400040][ T5847]
[ 107.402979][ T5847] dump_stack_lvl+0x3d/0x1f0
[ 107.407612][ T5847] panic+0x71c/0x800
[ 107.411540][ T5847] ? __pfx_panic+0x10/0x10
[ 107.415990][ T5847] ? show_trace_log_lvl+0x29b/0x3e0
[ 107.421226][ T5847] ? check_panic_on_warn+0x1f/0xb0
[ 107.426377][ T5847] ? lookup_object_or_alloc.part.0+0x2b1/0x590
[ 107.432554][ T5847] check_panic_on_warn+0xab/0xb0
[ 107.437527][ T5847] __warn+0xf6/0x3c0
[ 107.441457][ T5847] ? lookup_object_or_alloc.part.0+0x2b1/0x590
[ 107.447631][ T5847] report_bug+0x3c3/0x580
[ 107.452026][ T5847] ? lookup_object_or_alloc.part.0+0x2b1/0x590
[ 107.458208][ T5847] handle_bug+0x184/0x210
[ 107.462560][ T5847] exc_invalid_op+0x17/0x50
[ 107.467085][ T5847] asm_exc_invalid_op+0x1a/0x20
[ 107.471972][ T5847] RIP: 0010:lookup_object_or_alloc.part.0+0x2b1/0x590
[ 107.478759][ T5847] 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 a0 ea bb fc 90 <0f> 0b 90 48 83 c4 18 48 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 d1
[ 107.498389][ T5847] RSP: 0018:ffffc9000419f7b0 EFLAGS: 00010086
[ 107.504476][ T5847] RAX: 0000000000000050 RBX: ffff888033b838f8 RCX: ffffffff819b01d9
[ 107.512461][ T5847] RDX: 0000000000000000 RSI: ffffffff819b8066 RDI: 0000000000000005
[ 107.520446][ T5847] RBP: ffff8880791b8000 R08: 0000000000000005 R09: 0000000000000000
[ 107.528427][ T5847] R10: 0000000080000001 R11: 0000000034383554 R12: ffffc9000419fa98
[ 107.536411][ T5847] R13: ffff8880791b8000 R14: 0000000000000000 R15: 0000000000000000
[ 107.544398][ T5847] ? __wake_up_klogd.part.0+0x99/0xf0
[ 107.549789][ T5847] ? vprintk_emit+0x1e6/0x6d0
[ 107.554498][ T5847] __debug_object_init+0x2a9/0x3d0
[ 107.559629][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.565310][ T5847] ? __pfx___debug_object_init+0x10/0x10
[ 107.570974][ T5847] __init_work+0x4c/0x60
[ 107.575254][ T5847] rhashtable_init_noprof+0x49f/0x7e0
[ 107.580661][ T5847] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 107.586240][ T5847] bch2_copygc_thread+0xf6/0xdd0
[ 107.591209][ T5847] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 107.596791][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.602456][ T5847] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 107.607968][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.613623][ T5847] ? rcu_is_watching+0x12/0xc0
[ 107.618409][ T5847] ? finish_task_switch.isra.0+0x221/0xc10
[ 107.624241][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.629897][ T5847] ? lockdep_hardirqs_on+0x7c/0x110
[ 107.635147][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.640802][ T5847] ? finish_task_switch.isra.0+0x221/0xc10
[ 107.646658][ T5847] ? rcu_is_watching+0x12/0xc0
[ 107.651446][ T5847] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 107.657284][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.662949][ T5847] ? lockdep_hardirqs_on+0x7c/0x110
[ 107.668185][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.673839][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.679496][ T5847] ? __kthread_parkme+0x19e/0x250
[ 107.684553][ T5847] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 107.690153][ T5847] kthread+0x3c5/0x780
[ 107.694262][ T5847] ? __pfx_kthread+0x10/0x10
[ 107.698891][ T5847] ? srso_alias_return_thunk+0x5/0xfbef5
[ 107.704555][ T5847] ? rcu_is_watching+0x12/0xc0
[ 107.709343][ T5847] ? __pfx_kthread+0x10/0x10
[ 107.713989][ T5847] ret_from_fork+0x5d7/0x6f0
[ 107.718619][ T5847] ? __pfx_kthread+0x10/0x10
[ 107.723251][ T5847] ret_from_fork_asm+0x1a/0x30
[ 107.728050][ T5847]
[ 107.731260][ T5847] Kernel Offset: disabled
[ 107.735588][ T5847] Rebooting in 86400 seconds..