./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3636695655
<...>
Warning: Permanently added '10.128.0.57' (ED25519) to the list of known hosts.
execve("./syz-executor3636695655", ["./syz-executor3636695655"], 0x7ffd02ce4440 /* 10 vars */) = 0
brk(NULL) = 0x555578818000
brk(0x555578818d00) = 0x555578818d00
arch_prctl(ARCH_SET_FS, 0x555578818380) = 0
set_tid_address(0x555578818650) = 5837
set_robust_list(0x555578818660, 24) = 0
rseq(0x555578818ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3636695655", 4096) = 28
getrandom("\xca\x96\x8d\x74\x1a\x0d\x38\x79", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555578818d00
brk(0x555578839d00) = 0x555578839d00
brk(0x55557883a000) = 0x55557883a000
mprotect(0x7f11dab7f000, 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=0x555578818650) = 5838
[pid 5838] set_robust_list(0x555578818660, 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(3executing program
) = 0
[pid 5838] write(1, "executing program\n", 18) = 18
[pid 5838] memfd_create("syzkaller", 0) = 3
[pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f11d2600000
[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(0x7f11d2600000, 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("./file1", 0777) = 0
[ 108.799258][ T5838] loop0: detected capacity change from 0 to 32768
[ 108.871374][ T5838] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nocow
[ 108.871374][ T5838] allowing incompatible features above 0.0: (unknown version)
[ 108.871374][ T5838] features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes
[ 108.908328][ T5838] bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0
[ 108.916697][ T5838] bcachefs (loop0): initializing new filesystem
[ 108.941014][ T5838] bcachefs (loop0): going read-write
[ 108.987848][ T5850] ODEBUG: object ffffc900033f7a98 is on stack ffffc900033f0000, but NOT annotated.
[ 108.988275][ T5850]
[ 108.988285][ T5850] ======================================================
[ 108.988297][ T5850] WARNING: possible circular locking dependency detected
[ 108.988311][ T5850] 6.16.0-rc1-syzkaller-00003-gf09079bd04a9 #0 Not tainted
[ 108.988333][ T5850] ------------------------------------------------------
[ 108.988345][ T5850] bch-copygc/loop/5850 is trying to acquire lock:
[ 108.988363][ T5850] ffffffff8e4d1dc0 (console_owner){....}-{0:0}, at: console_lock_spinning_enable+0x9f/0xd0
[ 108.988469][ T5850]
[ 108.988469][ T5850] but task is already holding lock:
[ 108.988487][ T5850] ffffffff9af68830 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0xec/0x3d0
[ 108.988573][ T5850]
[ 108.988573][ T5850] which lock already depends on the new lock.
[ 108.988573][ T5850]
[ 108.988584][ T5850]
[ 108.988584][ T5850] the existing dependency chain (in reverse order) is:
[ 108.988595][ T5850]
[ 108.988595][ T5850] -> #4 (&obj_hash[i].lock){-.-.}-{2:2}:
[ 108.988642][ T5850] _raw_spin_lock_irqsave+0x3a/0x60
[ 108.988698][ T5850] debug_object_activate+0x14c/0x4c0
[ 108.988726][ T5850] insert_work+0x2e/0x230
[ 108.988749][ T5850] __queue_work+0x97e/0x10f0
[ 108.988774][ T5850] queue_work_on+0x15f/0x1f0
[ 108.988798][ T5850] start_poll_synchronize_rcu_expedited+0x113/0x190
[ 108.988840][ T5850] rcu_init+0xe95/0x1630
[ 108.988883][ T5850] start_kernel+0x1df/0x4d0
[ 108.988917][ T5850] x86_64_start_reservations+0x18/0x30
[ 108.988954][ T5850] x86_64_start_kernel+0x130/0x190
[ 108.988988][ T5850] common_startup_64+0x13e/0x148
[ 108.989038][ T5850]
[ 108.989038][ T5850] -> #3 (&pool->lock){-.-.}-{2:2}:
[ 108.989072][ T5850] _raw_spin_lock+0x2e/0x40
[ 108.989106][ T5850] __queue_work+0x26b/0x10f0
[ 108.989140][ T5850] queue_work_on+0x15f/0x1f0
[ 108.989165][ T5850] rpm_suspend+0xeba/0x11d0
[ 108.989210][ T5850] rpm_idle+0x5b4/0x730
[ 108.989249][ T5850] __pm_runtime_idle+0xba/0x1a0
[ 108.989290][ T5850] __device_attach+0x37e/0x4b0
[ 108.989334][ T5850] bus_probe_device+0x17f/0x1c0
[ 108.989370][ T5850] device_add+0x1148/0x1a70
[ 108.989395][ T5850] serial_base_port_add+0x357/0x4b0
[ 108.989425][ T5850] serial_core_register_port+0x13c/0x2570
[ 108.989451][ T5850] serial8250_register_8250_port+0x159b/0x23c0
[ 108.989494][ T5850] serial_pnp_probe+0x431/0x910
[ 108.989529][ T5850] pnp_device_probe+0x2a8/0x4d0
[ 108.989558][ T5850] really_probe+0x241/0xa90
[ 108.989596][ T5850] __driver_probe_device+0x1de/0x440
[ 108.989636][ T5850] driver_probe_device+0x4c/0x1b0
[ 108.989676][ T5850] __driver_attach+0x283/0x580
[ 108.989715][ T5850] bus_for_each_dev+0x13e/0x1d0
[ 108.989746][ T5850] bus_add_driver+0x2e9/0x690
[ 108.989780][ T5850] driver_register+0x15c/0x4b0
[ 108.989804][ T5850] serial8250_init+0xc9/0x1e0
[ 108.989839][ T5850] do_one_initcall+0x123/0x6e0
[ 108.989866][ T5850] kernel_init_freeable+0x5c2/0x900
[ 108.989900][ T5850] kernel_init+0x1c/0x2b0
[ 108.989931][ T5850] ret_from_fork+0x5d7/0x6f0
[ 108.989973][ T5850] ret_from_fork_asm+0x1a/0x30
[ 108.989999][ T5850]
[ 108.989999][ T5850] -> #2 (&dev->power.lock){-...}-{3:3}:
[ 108.990033][ T5850] _raw_spin_lock_irqsave+0x3a/0x60
[ 108.990071][ T5850] __pm_runtime_resume+0xa9/0x170
[ 108.990113][ T5850] __uart_start+0x1b0/0x4c0
[ 108.990149][ T5850] uart_write+0x218/0xb30
[ 108.990170][ T5850] n_tty_write+0x412/0x1160
[ 108.990199][ T5850] file_tty_write.constprop.0+0x504/0x9b0
[ 108.990249][ T5850] redirected_tty_write+0xd4/0x150
[ 108.990290][ T5850] vfs_write+0x6c7/0x1150
[ 108.990318][ T5850] ksys_write+0x12a/0x250
[ 108.990345][ T5850] do_syscall_64+0xcd/0x4c0
[ 108.990369][ T5850] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 108.990396][ T5850]
[ 108.990396][ T5850] -> #1 (&port_lock_key){-.-.}-{3:3}:
[ 108.990430][ T5850] _raw_spin_lock_irqsave+0x3a/0x60
[ 108.990467][ T5850] serial8250_console_write+0x181/0x1890
[ 108.990503][ T5850] console_flush_all+0x801/0xc60
[ 108.990534][ T5850] console_unlock+0xd8/0x210
[ 108.990562][ T5850] vprintk_emit+0x418/0x6d0
[ 108.990593][ T5850] _printk+0xc7/0x100
[ 108.990636][ T5850] register_console+0xc2d/0x11b0
[ 108.990667][ T5850] univ8250_console_init+0x5f/0x90
[ 108.990700][ T5850] console_init+0x14f/0x680
[ 108.990733][ T5850] start_kernel+0x29f/0x4d0
[ 108.990764][ T5850] x86_64_start_reservations+0x18/0x30
[ 108.990800][ T5850] x86_64_start_kernel+0x130/0x190
[ 108.990833][ T5850] common_startup_64+0x13e/0x148
[ 108.990877][ T5850]
[ 108.990877][ T5850] -> #0 (console_owner){....}-{0:0}:
[ 108.990910][ T5850] __lock_acquire+0x126f/0x1c90
[ 108.990955][ T5850] lock_acquire+0x179/0x350
[ 108.990994][ T5850] console_lock_spinning_enable+0xb0/0xd0
[ 108.991024][ T5850] console_flush_all+0x7aa/0xc60
[ 108.991052][ T5850] console_unlock+0xd8/0x210
[ 108.991080][ T5850] vprintk_emit+0x418/0x6d0
[ 108.991110][ T5850] _printk+0xc7/0x100
[ 108.991149][ T5850] lookup_object_or_alloc.part.0+0x3d7/0x590
[ 108.991178][ T5850] __debug_object_init+0x2a9/0x3d0
[ 108.991205][ T5850] __init_work+0x4c/0x60
[ 108.991252][ T5850] rhashtable_init_noprof+0x49f/0x7e0
[ 108.991293][ T5850] bch2_copygc_thread+0xf6/0xdd0
[ 108.991332][ T5850] kthread+0x3c5/0x780
[ 108.991377][ T5850] ret_from_fork+0x5d7/0x6f0
[ 108.991414][ T5850] ret_from_fork_asm+0x1a/0x30
[ 108.991439][ T5850]
[ 108.991439][ T5850] other info that might help us debug this:
[ 108.991439][ T5850]
[ 108.991447][ T5850] Chain exists of:
[ 108.991447][ T5850] console_owner --> &pool->lock --> &obj_hash[i].lock
[ 108.991447][ T5850]
[ 108.991490][ T5850] Possible unsafe locking scenario:
[ 108.991490][ T5850]
[ 108.991498][ T5850] CPU0 CPU1
[ 108.991505][ T5850] ---- ----
[ 108.991512][ T5850] lock(&obj_hash[i].lock);
[ 108.991529][ T5850] lock(&pool->lock);
[ 108.991547][ T5850] lock(&obj_hash[i].lock);
[ 108.991565][ T5850] lock(console_owner);
[ 108.991582][ T5850]
[ 108.991582][ T5850] *** DEADLOCK ***
[ 108.991582][ T5850]
[ 108.991588][ T5850] 3 locks held by bch-copygc/loop/5850:
[ 108.991603][ T5850] #0: ffffffff9af68830 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0xec/0x3d0
[ 108.991667][ T5850] #1: ffffffff8e5b2200 (console_lock){+.+.}-{0:0}, at: _printk+0xc7/0x100
[ 108.991742][ T5850] #2: ffffffff8e5b2270 (console_srcu){....}-{0:0}, at: console_flush_all+0x158/0xc60
[ 108.991837][ T5850]
[ 108.991837][ T5850] stack backtrace:
[ 108.991852][ T5850] CPU: 0 UID: 0 PID: 5850 Comm: bch-copygc/loop Not tainted 6.16.0-rc1-syzkaller-00003-gf09079bd04a9 #0 PREEMPT(full)
[ 108.991899][ T5850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 108.991921][ T5850] Call Trace:
[ 108.991932][ T5850]
[ 108.991944][ T5850] dump_stack_lvl+0x116/0x1f0
[ 108.992012][ T5850] print_circular_bug+0x275/0x350
[ 108.992070][ T5850] check_noncircular+0x14c/0x170
[ 108.992130][ T5850] __lock_acquire+0x126f/0x1c90
[ 108.992195][ T5850] lock_acquire+0x179/0x350
[ 108.992251][ T5850] ? console_lock_spinning_enable+0x9f/0xd0
[ 108.992295][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.992347][ T5850] console_lock_spinning_enable+0xb0/0xd0
[ 108.992389][ T5850] ? console_lock_spinning_enable+0x9f/0xd0
[ 108.992431][ T5850] console_flush_all+0x7aa/0xc60
[ 108.992484][ T5850] ? __pfx_console_flush_all+0x10/0x10
[ 108.992532][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.992578][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.992622][ T5850] ? is_printk_cpu_sync_owner+0x32/0x40
[ 108.992670][ T5850] console_unlock+0xd8/0x210
[ 108.992701][ T5850] ? __pfx_console_unlock+0x10/0x10
[ 108.992731][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.992763][ T5850] ? do_raw_spin_unlock+0x100/0x230
[ 108.992794][ T5850] ? _printk+0xc7/0x100
[ 108.992836][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.992869][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.992903][ T5850] vprintk_emit+0x418/0x6d0
[ 108.992936][ T5850] ? __pfx_vprintk_emit+0x10/0x10
[ 108.992971][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.993007][ T5850] _printk+0xc7/0x100
[ 108.993048][ T5850] ? __pfx__printk+0x10/0x10
[ 108.993092][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.993125][ T5850] ? do_raw_spin_lock+0x12c/0x2b0
[ 108.993153][ T5850] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 108.993183][ T5850] lookup_object_or_alloc.part.0+0x3d7/0x590
[ 108.993218][ T5850] __debug_object_init+0x2a9/0x3d0
[ 108.993246][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.993281][ T5850] ? __pfx___debug_object_init+0x10/0x10
[ 108.993319][ T5850] __init_work+0x4c/0x60
[ 108.993361][ T5850] rhashtable_init_noprof+0x49f/0x7e0
[ 108.993402][ T5850] ? __lock_acquire+0xb8a/0x1c90
[ 108.993443][ T5850] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 108.993486][ T5850] bch2_copygc_thread+0xf6/0xdd0
[ 108.993521][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.993557][ T5850] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 108.993594][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.993627][ T5850] ? lock_acquire+0x179/0x350
[ 108.993674][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.993708][ T5850] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 108.993765][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.993798][ T5850] ? rcu_is_watching+0x12/0xc0
[ 108.993832][ T5850] ? finish_task_switch.isra.0+0x221/0xc10
[ 108.993868][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.993900][ T5850] ? lockdep_hardirqs_on+0x7c/0x110
[ 108.993947][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.993980][ T5850] ? finish_task_switch.isra.0+0x221/0xc10
[ 108.994034][ T5850] ? rcu_is_watching+0x12/0xc0
[ 108.994066][ T5850] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 108.994108][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.994140][ T5850] ? lockdep_hardirqs_on+0x7c/0x110
[ 108.994183][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.994216][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.994249][ T5850] ? __kthread_parkme+0x19e/0x250
[ 108.994287][ T5850] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 108.994324][ T5850] kthread+0x3c5/0x780
[ 108.994368][ T5850] ? __pfx_kthread+0x10/0x10
[ 108.994412][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 108.994445][ T5850] ? rcu_is_watching+0x12/0xc0
[ 108.994480][ T5850] ? __pfx_kthread+0x10/0x10
[ 108.994524][ T5850] ret_from_fork+0x5d7/0x6f0
[ 108.994563][ T5850] ? __pfx_kthread+0x10/0x10
[ 108.994606][ T5850] ret_from_fork_asm+0x1a/0x30
[ 108.994642][ T5850]
[ 110.030244][ T5850] ------------[ cut here ]------------
[ 110.035694][ T5850] WARNING: CPU: 0 PID: 5850 at lib/debugobjects.c:655 lookup_object_or_alloc.part.0+0x2b1/0x590
[ 110.046211][ T5850] Modules linked in:
[ 110.050103][ T5850] CPU: 0 UID: 0 PID: 5850 Comm: bch-copygc/loop Not tainted 6.16.0-rc1-syzkaller-00003-gf09079bd04a9 #0 PREEMPT(full)
[ 110.062518][ T5850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 110.072566][ T5850] RIP: 0010:lookup_object_or_alloc.part.0+0x2b1/0x590
[ 110.079340][ T5850] 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
[ 110.098949][ T5850] RSP: 0018:ffffc900033f77b0 EFLAGS: 00010086
[ 110.105015][ T5850] RAX: 0000000000000050 RBX: ffff8880317ca348 RCX: ffffffff819b01d9
[ 110.112985][ T5850] RDX: 0000000000000000 RSI: ffffffff819b8066 RDI: 0000000000000005
[ 110.120952][ T5850] RBP: ffff888012c65a00 R08: 0000000000000005 R09: 0000000000000000
[ 110.128918][ T5850] R10: 0000000080000001 R11: 0000000035383554 R12: ffffc900033f7a98
[ 110.136903][ T5850] R13: ffff888012c65a00 R14: 0000000000000000 R15: 0000000000000000
[ 110.144871][ T5850] FS: 0000000000000000(0000) GS:ffff88812475b000(0000) knlGS:0000000000000000
[ 110.153802][ T5850] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 110.160385][ T5850] CR2: 0000558f0b4fe168 CR3: 000000003107c000 CR4: 0000000000350ef0
[ 110.168353][ T5850] Call Trace:
[ 110.171625][ T5850]
[ 110.174558][ T5850] __debug_object_init+0x2a9/0x3d0
[ 110.179676][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.185320][ T5850] ? __pfx___debug_object_init+0x10/0x10
[ 110.190966][ T5850] __init_work+0x4c/0x60
[ 110.195226][ T5850] rhashtable_init_noprof+0x49f/0x7e0
[ 110.200613][ T5850] ? __lock_acquire+0xb8a/0x1c90
[ 110.205571][ T5850] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 110.211130][ T5850] bch2_copygc_thread+0xf6/0xdd0
[ 110.216087][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.221732][ T5850] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 110.227297][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.232940][ T5850] ? lock_acquire+0x179/0x350
[ 110.237822][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.243468][ T5850] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 110.248964][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.254604][ T5850] ? rcu_is_watching+0x12/0xc0
[ 110.259376][ T5850] ? finish_task_switch.isra.0+0x221/0xc10
[ 110.265197][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.270835][ T5850] ? lockdep_hardirqs_on+0x7c/0x110
[ 110.276066][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.281717][ T5850] ? finish_task_switch.isra.0+0x221/0xc10
[ 110.287557][ T5850] ? rcu_is_watching+0x12/0xc0
[ 110.292331][ T5850] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 110.298158][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.303808][ T5850] ? lockdep_hardirqs_on+0x7c/0x110
[ 110.309024][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.314663][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.320409][ T5850] ? __kthread_parkme+0x19e/0x250
[ 110.325483][ T5850] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 110.331055][ T5850] kthread+0x3c5/0x780
[ 110.335157][ T5850] ? __pfx_kthread+0x10/0x10
[ 110.339776][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.345425][ T5850] ? rcu_is_watching+0x12/0xc0
[ 110.350226][ T5850] ? __pfx_kthread+0x10/0x10
[ 110.354851][ T5850] ret_from_fork+0x5d7/0x6f0
[ 110.359472][ T5850] ? __pfx_kthread+0x10/0x10
[ 110.364113][ T5850] ret_from_fork_asm+0x1a/0x30
[ 110.368909][ T5850]
[ 110.371922][ T5850] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 110.379227][ T5850] CPU: 0 UID: 0 PID: 5850 Comm: bch-copygc/loop Not tainted 6.16.0-rc1-syzkaller-00003-gf09079bd04a9 #0 PREEMPT(full)
[ 110.391656][ T5850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 110.401726][ T5850] Call Trace:
[ 110.405001][ T5850]
[ 110.407925][ T5850] dump_stack_lvl+0x3d/0x1f0
[ 110.412545][ T5850] panic+0x71c/0x800
[ 110.416461][ T5850] ? __pfx_panic+0x10/0x10
[ 110.420891][ T5850] ? show_trace_log_lvl+0x29b/0x3e0
[ 110.426112][ T5850] ? check_panic_on_warn+0x1f/0xb0
[ 110.431340][ T5850] ? lookup_object_or_alloc.part.0+0x2b1/0x590
[ 110.437518][ T5850] check_panic_on_warn+0xab/0xb0
[ 110.442584][ T5850] __warn+0xf6/0x3c0
[ 110.446498][ T5850] ? lookup_object_or_alloc.part.0+0x2b1/0x590
[ 110.452674][ T5850] report_bug+0x3c3/0x580
[ 110.457028][ T5850] ? lookup_object_or_alloc.part.0+0x2b1/0x590
[ 110.463201][ T5850] handle_bug+0x184/0x210
[ 110.467538][ T5850] exc_invalid_op+0x17/0x50
[ 110.472047][ T5850] asm_exc_invalid_op+0x1a/0x20
[ 110.476899][ T5850] RIP: 0010:lookup_object_or_alloc.part.0+0x2b1/0x590
[ 110.483687][ T5850] 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
[ 110.503385][ T5850] RSP: 0018:ffffc900033f77b0 EFLAGS: 00010086
[ 110.509462][ T5850] RAX: 0000000000000050 RBX: ffff8880317ca348 RCX: ffffffff819b01d9
[ 110.517437][ T5850] RDX: 0000000000000000 RSI: ffffffff819b8066 RDI: 0000000000000005
[ 110.525424][ T5850] RBP: ffff888012c65a00 R08: 0000000000000005 R09: 0000000000000000
[ 110.533577][ T5850] R10: 0000000080000001 R11: 0000000035383554 R12: ffffc900033f7a98
[ 110.541547][ T5850] R13: ffff888012c65a00 R14: 0000000000000000 R15: 0000000000000000
[ 110.549522][ T5850] ? __wake_up_klogd.part.0+0x99/0xf0
[ 110.554902][ T5850] ? vprintk_emit+0x1e6/0x6d0
[ 110.559594][ T5850] __debug_object_init+0x2a9/0x3d0
[ 110.564711][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.570355][ T5850] ? __pfx___debug_object_init+0x10/0x10
[ 110.576108][ T5850] __init_work+0x4c/0x60
[ 110.580382][ T5850] rhashtable_init_noprof+0x49f/0x7e0
[ 110.585772][ T5850] ? __lock_acquire+0xb8a/0x1c90
[ 110.590730][ T5850] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 110.596300][ T5850] bch2_copygc_thread+0xf6/0xdd0
[ 110.601278][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.606943][ T5850] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 110.612613][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.618282][ T5850] ? lock_acquire+0x179/0x350
[ 110.623009][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.628747][ T5850] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 110.634265][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.639997][ T5850] ? rcu_is_watching+0x12/0xc0
[ 110.644794][ T5850] ? finish_task_switch.isra.0+0x221/0xc10
[ 110.650624][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.656272][ T5850] ? lockdep_hardirqs_on+0x7c/0x110
[ 110.661497][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.667144][ T5850] ? finish_task_switch.isra.0+0x221/0xc10
[ 110.672993][ T5850] ? rcu_is_watching+0x12/0xc0
[ 110.677775][ T5850] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 110.683608][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.689254][ T5850] ? lockdep_hardirqs_on+0x7c/0x110
[ 110.694479][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.700134][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.705777][ T5850] ? __kthread_parkme+0x19e/0x250
[ 110.710820][ T5850] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 110.716469][ T5850] kthread+0x3c5/0x780
[ 110.720718][ T5850] ? __pfx_kthread+0x10/0x10
[ 110.725344][ T5850] ? srso_alias_return_thunk+0x5/0xfbef5
[ 110.731007][ T5850] ? rcu_is_watching+0x12/0xc0
[ 110.735794][ T5850] ? __pfx_kthread+0x10/0x10
[ 110.740415][ T5850] ret_from_fork+0x5d7/0x6f0
[ 110.745028][ T5850] ? __pfx_kthread+0x10/0x10
[ 110.749664][ T5850] ret_from_fork_asm+0x1a/0x30
[ 110.754448][ T5850]
[ 110.757819][ T5850] Kernel Offset: disabled
[ 110.762146][ T5850] Rebooting in 86400 seconds..