./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor735526897
<...>
Warning: Permanently added '10.128.0.159' (ED25519) to the list of known hosts.
execve("./syz-executor735526897", ["./syz-executor735526897"], 0x7ffc15cde2c0 /* 10 vars */) = 0
brk(NULL) = 0x55556a510000
brk(0x55556a510d00) = 0x55556a510d00
arch_prctl(ARCH_SET_FS, 0x55556a510380) = 0
set_tid_address(0x55556a510650) = 5830
set_robust_list(0x55556a510660, 24) = 0
rseq(0x55556a510ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor735526897", 4096) = 27
getrandom("\x63\x0c\x98\x62\x17\xa2\x6a\x6d", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556a510d00
brk(0x55556a531d00) = 0x55556a531d00
brk(0x55556a532000) = 0x55556a532000
mprotect(0x7f2c082c9000, 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 5831 attached
, child_tidptr=0x55556a510650) = 5831
[pid 5831] set_robust_list(0x55556a510660, 24) = 0
[pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5831] setpgid(0, 0) = 0
[pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5831] write(3, "1000", 4) = 4
[pid 5831] close(3) = 0
executing program
[pid 5831] write(1, "executing program\n", 18) = 18
[pid 5831] memfd_create("syzkaller", 0) = 3
[pid 5831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2bffe00000
[pid 5831] 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 5831] munmap(0x7f2bffe00000, 138412032) = 0
[pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5831] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5831] close(3) = 0
[pid 5831] close(4) = 0
[pid 5831] mkdir("./file0", 0777) = 0
[ 110.110537][ T5831] loop0: detected capacity change from 0 to 32768
[ 110.170746][ T5831] bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0
[ 110.209524][ T5831] 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
[ 110.209524][ T5831] allowing incompatible features above 0.0: (unknown version)
[ 110.209524][ T5831] features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes
[ 110.253953][ T5831] bcachefs (loop0): initializing new filesystem
[ 110.270104][ T5831] bcachefs (loop0): going read-write
[ 110.314852][ T5843] ODEBUG: object ffffc90003f6fa98 is on stack ffffc90003f68000, but NOT annotated.
[ 110.315290][ T5843]
[ 110.315300][ T5843] ======================================================
[ 110.315314][ T5843] WARNING: possible circular locking dependency detected
[ 110.315328][ T5843] 6.15.0-syzkaller-03589-gfeacb1774bd5 #0 Not tainted
[ 110.315349][ T5843] ------------------------------------------------------
[ 110.315360][ T5843] bch-copygc/loop/5843 is trying to acquire lock:
[ 110.315374][ T5843] ffffffff8e2cfbc0 (console_owner){-...}-{0:0}, at: console_lock_spinning_enable+0x9f/0xd0
[ 110.315476][ T5843]
[ 110.315476][ T5843] but task is already holding lock:
[ 110.315484][ T5843] ffffffff9ad9eeb8 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0xec/0x3d0
[ 110.315555][ T5843]
[ 110.315555][ T5843] which lock already depends on the new lock.
[ 110.315555][ T5843]
[ 110.315564][ T5843]
[ 110.315564][ T5843] the existing dependency chain (in reverse order) is:
[ 110.315573][ T5843]
[ 110.315573][ T5843] -> #4 (&obj_hash[i].lock){-.-.}-{2:2}:
[ 110.315608][ T5843] _raw_spin_lock_irqsave+0x3a/0x60
[ 110.315659][ T5843] debug_object_activate+0x14c/0x4c0
[ 110.315695][ T5843] insert_work+0x2e/0x230
[ 110.315735][ T5843] __queue_work+0x97e/0x10f0
[ 110.315777][ T5843] queue_work_on+0x15f/0x1f0
[ 110.315818][ T5843] start_poll_synchronize_rcu_expedited+0x113/0x190
[ 110.315854][ T5843] rcu_init+0xe95/0x1630
[ 110.315882][ T5843] start_kernel+0x1df/0x4d0
[ 110.315924][ T5843] x86_64_start_reservations+0x18/0x30
[ 110.315968][ T5843] x86_64_start_kernel+0x130/0x190
[ 110.316011][ T5843] common_startup_64+0x13e/0x148
[ 110.316051][ T5843]
[ 110.316051][ T5843] -> #3 (&pool->lock){-.-.}-{2:2}:
[ 110.316086][ T5843] _raw_spin_lock+0x2e/0x40
[ 110.316125][ T5843] __queue_work+0x26b/0x10f0
[ 110.316167][ T5843] queue_work_on+0x15f/0x1f0
[ 110.316210][ T5843] rpm_suspend+0xeba/0x11d0
[ 110.316237][ T5843] rpm_idle+0x5b4/0x730
[ 110.316263][ T5843] __pm_runtime_idle+0xba/0x1a0
[ 110.316290][ T5843] __device_attach+0x37e/0x4b0
[ 110.316319][ T5843] bus_probe_device+0x17f/0x1c0
[ 110.316362][ T5843] device_add+0x1148/0x1a70
[ 110.316396][ T5843] serial_base_port_add+0x357/0x4b0
[ 110.316431][ T5843] serial_core_register_port+0x13c/0x2560
[ 110.316463][ T5843] serial8250_register_8250_port+0x1596/0x23b0
[ 110.316505][ T5843] serial_pnp_probe+0x431/0x910
[ 110.316546][ T5843] pnp_device_probe+0x2a8/0x4d0
[ 110.316580][ T5843] really_probe+0x241/0xa90
[ 110.316606][ T5843] __driver_probe_device+0x1de/0x440
[ 110.316634][ T5843] driver_probe_device+0x4c/0x1b0
[ 110.316666][ T5843] __driver_attach+0x283/0x580
[ 110.316693][ T5843] bus_for_each_dev+0x13e/0x1d0
[ 110.316733][ T5843] bus_add_driver+0x2e9/0x690
[ 110.316755][ T5843] driver_register+0x15c/0x4b0
[ 110.316787][ T5843] serial8250_init+0xc9/0x1e0
[ 110.316828][ T5843] do_one_initcall+0x123/0x6e0
[ 110.316852][ T5843] kernel_init_freeable+0x5c2/0x900
[ 110.316896][ T5843] kernel_init+0x1c/0x2b0
[ 110.316931][ T5843] ret_from_fork+0x5d7/0x6f0
[ 110.316965][ T5843] ret_from_fork_asm+0x1a/0x30
[ 110.316989][ T5843]
[ 110.316989][ T5843] -> #2 (&dev->power.lock){-...}-{3:3}:
[ 110.317024][ T5843] _raw_spin_lock_irqsave+0x3a/0x60
[ 110.317066][ T5843] __pm_runtime_resume+0xa9/0x170
[ 110.317095][ T5843] __uart_start+0x1b0/0x4c0
[ 110.317134][ T5843] uart_write+0x218/0xb30
[ 110.317162][ T5843] n_tty_write+0x412/0x1160
[ 110.317196][ T5843] file_tty_write.constprop.0+0x502/0x9b0
[ 110.317225][ T5843] redirected_tty_write+0xd4/0x150
[ 110.317252][ T5843] vfs_write+0x6c7/0x1150
[ 110.317288][ T5843] ksys_write+0x12a/0x250
[ 110.317322][ T5843] do_syscall_64+0xcd/0x4c0
[ 110.317351][ T5843] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 110.317378][ T5843]
[ 110.317378][ T5843] -> #1 (&port_lock_key){-.-.}-{3:3}:
[ 110.317441][ T5843] _raw_spin_lock_irqsave+0x3a/0x60
[ 110.317483][ T5843] serial8250_console_write+0x181/0x1890
[ 110.317520][ T5843] console_flush_all+0x801/0xc60
[ 110.317545][ T5843] console_unlock+0xd8/0x210
[ 110.317569][ T5843] vprintk_emit+0x418/0x6d0
[ 110.317595][ T5843] _printk+0xc7/0x100
[ 110.317630][ T5843] register_console+0xc2d/0x11b0
[ 110.317660][ T5843] univ8250_console_init+0x5f/0x90
[ 110.317701][ T5843] console_init+0x14f/0x680
[ 110.317723][ T5843] start_kernel+0x29f/0x4d0
[ 110.317764][ T5843] x86_64_start_reservations+0x18/0x30
[ 110.317808][ T5843] x86_64_start_kernel+0x130/0x190
[ 110.317854][ T5843] common_startup_64+0x13e/0x148
[ 110.317894][ T5843]
[ 110.317894][ T5843] -> #0 (console_owner){-...}-{0:0}:
[ 110.317929][ T5843] __lock_acquire+0x126f/0x1c90
[ 110.317965][ T5843] lock_acquire+0x179/0x350
[ 110.318000][ T5843] console_lock_spinning_enable+0xb0/0xd0
[ 110.318045][ T5843] console_flush_all+0x7aa/0xc60
[ 110.318070][ T5843] console_unlock+0xd8/0x210
[ 110.318093][ T5843] vprintk_emit+0x418/0x6d0
[ 110.318119][ T5843] _printk+0xc7/0x100
[ 110.318154][ T5843] lookup_object_or_alloc.part.0+0x3d7/0x590
[ 110.318191][ T5843] __debug_object_init+0x2a9/0x3d0
[ 110.318226][ T5843] __init_work+0x4c/0x60
[ 110.318260][ T5843] rhashtable_init_noprof+0x49f/0x7e0
[ 110.318285][ T5843] bch2_copygc_thread+0xf6/0xdd0
[ 110.318313][ T5843] kthread+0x3c5/0x780
[ 110.318350][ T5843] ret_from_fork+0x5d7/0x6f0
[ 110.318384][ T5843] ret_from_fork_asm+0x1a/0x30
[ 110.318408][ T5843]
[ 110.318408][ T5843] other info that might help us debug this:
[ 110.318408][ T5843]
[ 110.318416][ T5843] Chain exists of:
[ 110.318416][ T5843] console_owner --> &pool->lock --> &obj_hash[i].lock
[ 110.318416][ T5843]
[ 110.318457][ T5843] Possible unsafe locking scenario:
[ 110.318457][ T5843]
[ 110.318465][ T5843] CPU0 CPU1
[ 110.318472][ T5843] ---- ----
[ 110.318480][ T5843] lock(&obj_hash[i].lock);
[ 110.318497][ T5843] lock(&pool->lock);
[ 110.318515][ T5843] lock(&obj_hash[i].lock);
[ 110.318535][ T5843] lock(console_owner);
[ 110.318552][ T5843]
[ 110.318552][ T5843] *** DEADLOCK ***
[ 110.318552][ T5843]
[ 110.318558][ T5843] 3 locks held by bch-copygc/loop/5843:
[ 110.318574][ T5843] #0: ffffffff9ad9eeb8 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0xec/0x3d0
[ 110.318647][ T5843] #1: ffffffff8e3b0000 (console_lock){+.+.}-{0:0}, at: _printk+0xc7/0x100
[ 110.318726][ T5843] #2: ffffffff8e3b0070 (console_srcu){....}-{0:0}, at: console_flush_all+0x158/0xc60
[ 110.318788][ T5843]
[ 110.318788][ T5843] stack backtrace:
[ 110.318800][ T5843] CPU: 0 UID: 0 PID: 5843 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-03589-gfeacb1774bd5 #0 PREEMPT(full)
[ 110.318834][ T5843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 110.318851][ T5843] Call Trace:
[ 110.318860][ T5843]
[ 110.318869][ T5843] dump_stack_lvl+0x116/0x1f0
[ 110.318899][ T5843] print_circular_bug+0x275/0x350
[ 110.318937][ T5843] check_noncircular+0x14c/0x170
[ 110.318978][ T5843] __lock_acquire+0x126f/0x1c90
[ 110.319022][ T5843] lock_acquire+0x179/0x350
[ 110.319059][ T5843] ? console_lock_spinning_enable+0x9f/0xd0
[ 110.319108][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.319147][ T5843] console_lock_spinning_enable+0xb0/0xd0
[ 110.319194][ T5843] ? console_lock_spinning_enable+0x9f/0xd0
[ 110.319242][ T5843] console_flush_all+0x7aa/0xc60
[ 110.319273][ T5843] ? __pfx_console_flush_all+0x10/0x10
[ 110.319304][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.319338][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.319372][ T5843] ? is_printk_cpu_sync_owner+0x32/0x40
[ 110.319407][ T5843] console_unlock+0xd8/0x210
[ 110.319433][ T5843] ? __pfx_console_unlock+0x10/0x10
[ 110.319458][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.319492][ T5843] ? do_raw_spin_unlock+0xe0/0x230
[ 110.319537][ T5843] ? _printk+0xc7/0x100
[ 110.319574][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.319608][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.319643][ T5843] vprintk_emit+0x418/0x6d0
[ 110.319677][ T5843] ? __pfx_vprintk_emit+0x10/0x10
[ 110.319707][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.319743][ T5843] _printk+0xc7/0x100
[ 110.319780][ T5843] ? __pfx__printk+0x10/0x10
[ 110.319821][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.319854][ T5843] ? do_raw_spin_lock+0x12c/0x2b0
[ 110.319898][ T5843] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 110.319945][ T5843] lookup_object_or_alloc.part.0+0x3d7/0x590
[ 110.319987][ T5843] __debug_object_init+0x2a9/0x3d0
[ 110.320023][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.320058][ T5843] ? __pfx___debug_object_init+0x10/0x10
[ 110.320104][ T5843] __init_work+0x4c/0x60
[ 110.320141][ T5843] rhashtable_init_noprof+0x49f/0x7e0
[ 110.320167][ T5843] ? __lock_acquire+0xb8a/0x1c90
[ 110.320204][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 110.320235][ T5843] bch2_copygc_thread+0xf6/0xdd0
[ 110.320263][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.320300][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 110.320329][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.320362][ T5843] ? lock_acquire+0x179/0x350
[ 110.320406][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.320441][ T5843] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 110.320486][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.320520][ T5843] ? rcu_is_watching+0x12/0xc0
[ 110.320548][ T5843] ? finish_task_switch.isra.0+0x221/0xc10
[ 110.320578][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.320612][ T5843] ? lockdep_hardirqs_on+0x7c/0x110
[ 110.320639][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.320676][ T5843] ? finish_task_switch.isra.0+0x221/0xc10
[ 110.320726][ T5843] ? rcu_is_watching+0x12/0xc0
[ 110.320754][ T5843] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 110.320799][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.320833][ T5843] ? lockdep_hardirqs_on+0x7c/0x110
[ 110.320859][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.320893][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.320927][ T5843] ? __kthread_parkme+0x19e/0x250
[ 110.320962][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 110.320991][ T5843] kthread+0x3c5/0x780
[ 110.321031][ T5843] ? __pfx_kthread+0x10/0x10
[ 110.321072][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.321106][ T5843] ? rcu_is_watching+0x12/0xc0
[ 110.321134][ T5843] ? __pfx_kthread+0x10/0x10
[ 110.321175][ T5843] ret_from_fork+0x5d7/0x6f0
[ 110.321209][ T5843] ? __pfx_kthread+0x10/0x10
[ 110.321249][ T5843] ret_from_fork_asm+0x1a/0x30
[ 110.321284][ T5843]
[ 111.355427][ T5843] ------------[ cut here ]------------
[ 111.360904][ T5843] WARNING: CPU: 0 PID: 5843 at lib/debugobjects.c:655 lookup_object_or_alloc.part.0+0x2b1/0x590
[ 111.371391][ T5843] Modules linked in:
[ 111.375318][ T5843] CPU: 0 UID: 0 PID: 5843 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-03589-gfeacb1774bd5 #0 PREEMPT(full)
[ 111.387424][ T5843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 111.397503][ T5843] RIP: 0010:lookup_object_or_alloc.part.0+0x2b1/0x590
[ 111.404310][ T5843] 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 80 0a f5 8b e8 40 f9 bf fc 90 <0f> 0b 90 48 83 c4 18 48 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 71
[ 111.424904][ T5843] RSP: 0018:ffffc90003f6f7b0 EFLAGS: 00010086
[ 111.430988][ T5843] RAX: 0000000000000050 RBX: ffff888032db0ce8 RCX: ffffffff819a73d9
[ 111.438974][ T5843] RDX: 0000000000000000 RSI: ffffffff819af266 RDI: 0000000000000005
[ 111.447047][ T5843] RBP: ffff888071681e00 R08: 0000000000000005 R09: 0000000000000000
[ 111.455038][ T5843] R10: 0000000080000001 R11: 0000000034383554 R12: ffffc90003f6fa98
[ 111.463030][ T5843] R13: ffff888071681e00 R14: 0000000000000000 R15: 0000000000000000
[ 111.471016][ T5843] FS: 0000000000000000(0000) GS:ffff8881249a5000(0000) knlGS:0000000000000000
[ 111.479960][ T5843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 111.486558][ T5843] CR2: 000055c5eaa2c990 CR3: 0000000034d90000 CR4: 0000000000350ef0
[ 111.494550][ T5843] Call Trace:
[ 111.497836][ T5843]
[ 111.500777][ T5843] __debug_object_init+0x2a9/0x3d0
[ 111.505927][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.511595][ T5843] ? __pfx___debug_object_init+0x10/0x10
[ 111.517272][ T5843] __init_work+0x4c/0x60
[ 111.521554][ T5843] rhashtable_init_noprof+0x49f/0x7e0
[ 111.526945][ T5843] ? __lock_acquire+0xb8a/0x1c90
[ 111.531916][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 111.537487][ T5843] bch2_copygc_thread+0xf6/0xdd0
[ 111.542452][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.548115][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 111.553686][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.559354][ T5843] ? lock_acquire+0x179/0x350
[ 111.564081][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.569742][ T5843] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 111.575243][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.580903][ T5843] ? rcu_is_watching+0x12/0xc0
[ 111.585699][ T5843] ? finish_task_switch.isra.0+0x221/0xc10
[ 111.591540][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.597213][ T5843] ? lockdep_hardirqs_on+0x7c/0x110
[ 111.602440][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.608111][ T5843] ? finish_task_switch.isra.0+0x221/0xc10
[ 111.613983][ T5843] ? rcu_is_watching+0x12/0xc0
[ 111.618828][ T5843] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 111.624686][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.630350][ T5843] ? lockdep_hardirqs_on+0x7c/0x110
[ 111.635575][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.641250][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.646918][ T5843] ? __kthread_parkme+0x19e/0x250
[ 111.651981][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 111.657558][ T5843] kthread+0x3c5/0x780
[ 111.661676][ T5843] ? __pfx_kthread+0x10/0x10
[ 111.666313][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.671978][ T5843] ? rcu_is_watching+0x12/0xc0
[ 111.676772][ T5843] ? __pfx_kthread+0x10/0x10
[ 111.681417][ T5843] ret_from_fork+0x5d7/0x6f0
[ 111.686044][ T5843] ? __pfx_kthread+0x10/0x10
[ 111.690689][ T5843] ret_from_fork_asm+0x1a/0x30
[ 111.695491][ T5843]
[ 111.698527][ T5843] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 111.705828][ T5843] CPU: 0 UID: 0 PID: 5843 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-03589-gfeacb1774bd5 #0 PREEMPT(full)
[ 111.718041][ T5843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 111.728118][ T5843] Call Trace:
[ 111.731407][ T5843]
[ 111.734347][ T5843] dump_stack_lvl+0x3d/0x1f0
[ 111.738969][ T5843] panic+0x71c/0x800
[ 111.742902][ T5843] ? __pfx_panic+0x10/0x10
[ 111.747352][ T5843] ? show_trace_log_lvl+0x29b/0x3e0
[ 111.752597][ T5843] ? check_panic_on_warn+0x1f/0xb0
[ 111.757747][ T5843] ? lookup_object_or_alloc.part.0+0x2b1/0x590
[ 111.763940][ T5843] check_panic_on_warn+0xab/0xb0
[ 111.768921][ T5843] __warn+0xf6/0x3c0
[ 111.772856][ T5843] ? lookup_object_or_alloc.part.0+0x2b1/0x590
[ 111.779082][ T5843] report_bug+0x3c3/0x580
[ 111.783490][ T5843] ? lookup_object_or_alloc.part.0+0x2b1/0x590
[ 111.789702][ T5843] handle_bug+0x184/0x210
[ 111.794074][ T5843] exc_invalid_op+0x17/0x50
[ 111.798616][ T5843] asm_exc_invalid_op+0x1a/0x20
[ 111.803547][ T5843] RIP: 0010:lookup_object_or_alloc.part.0+0x2b1/0x590
[ 111.810412][ T5843] 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 80 0a f5 8b e8 40 f9 bf fc 90 <0f> 0b 90 48 83 c4 18 48 89 d8 5b 5d 41 5c 41 5d 41 5e 41 5f e9 71
[ 111.830058][ T5843] RSP: 0018:ffffc90003f6f7b0 EFLAGS: 00010086
[ 111.836157][ T5843] RAX: 0000000000000050 RBX: ffff888032db0ce8 RCX: ffffffff819a73d9
[ 111.844147][ T5843] RDX: 0000000000000000 RSI: ffffffff819af266 RDI: 0000000000000005
[ 111.852135][ T5843] RBP: ffff888071681e00 R08: 0000000000000005 R09: 0000000000000000
[ 111.860126][ T5843] R10: 0000000080000001 R11: 0000000034383554 R12: ffffc90003f6fa98
[ 111.868143][ T5843] R13: ffff888071681e00 R14: 0000000000000000 R15: 0000000000000000
[ 111.876143][ T5843] ? __wake_up_klogd.part.0+0x99/0xf0
[ 111.881563][ T5843] ? vprintk_emit+0x1e6/0x6d0
[ 111.886286][ T5843] __debug_object_init+0x2a9/0x3d0
[ 111.891441][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.897116][ T5843] ? __pfx___debug_object_init+0x10/0x10
[ 111.902805][ T5843] __init_work+0x4c/0x60
[ 111.907086][ T5843] rhashtable_init_noprof+0x49f/0x7e0
[ 111.912482][ T5843] ? __lock_acquire+0xb8a/0x1c90
[ 111.917462][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 111.923044][ T5843] bch2_copygc_thread+0xf6/0xdd0
[ 111.928012][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.933689][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 111.939266][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.944950][ T5843] ? lock_acquire+0x179/0x350
[ 111.949680][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.955350][ T5843] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 111.960868][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.966678][ T5843] ? rcu_is_watching+0x12/0xc0
[ 111.971504][ T5843] ? finish_task_switch.isra.0+0x221/0xc10
[ 111.977366][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.983063][ T5843] ? lockdep_hardirqs_on+0x7c/0x110
[ 111.988310][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 111.994005][ T5843] ? finish_task_switch.isra.0+0x221/0xc10
[ 111.999901][ T5843] ? rcu_is_watching+0x12/0xc0
[ 112.004715][ T5843] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 112.010602][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 112.016304][ T5843] ? lockdep_hardirqs_on+0x7c/0x110
[ 112.021556][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 112.027244][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 112.032930][ T5843] ? __kthread_parkme+0x19e/0x250
[ 112.038009][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 112.043587][ T5843] kthread+0x3c5/0x780
[ 112.047713][ T5843] ? __pfx_kthread+0x10/0x10
[ 112.052351][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 112.058023][ T5843] ? rcu_is_watching+0x12/0xc0
[ 112.062823][ T5843] ? __pfx_kthread+0x10/0x10
[ 112.067462][ T5843] ret_from_fork+0x5d7/0x6f0
[ 112.072090][ T5843] ? __pfx_kthread+0x10/0x10
[ 112.076731][ T5843] ret_from_fork_asm+0x1a/0x30
[ 112.081617][ T5843]
[ 112.084884][ T5843] Kernel Offset: disabled
[ 112.089218][ T5843] Rebooting in 86400 seconds..