./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2310213696
<...>
Warning: Permanently added '10.128.10.24' (ED25519) to the list of known hosts.
execve("./syz-executor2310213696", ["./syz-executor2310213696"], 0x7ffe13382690 /* 10 vars */) = 0
brk(NULL) = 0x55559104d000
brk(0x55559104dd00) = 0x55559104dd00
arch_prctl(ARCH_SET_FS, 0x55559104d380) = 0
set_tid_address(0x55559104d650) = 5831
set_robust_list(0x55559104d660, 24) = 0
rseq(0x55559104dca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2310213696", 4096) = 28
getrandom("\xb6\x78\xe2\x5c\x28\x3e\xe5\x48", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55559104dd00
brk(0x55559106ed00) = 0x55559106ed00
brk(0x55559106f000) = 0x55559106f000
mprotect(0x7ffaf617e000, 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 5832 attached
, child_tidptr=0x55559104d650) = 5832
[pid 5832] set_robust_list(0x55559104d660, 24) = 0
[pid 5832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5832] setpgid(0, 0) = 0
[pid 5832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5832] write(3, "1000", 4) = 4
[pid 5832] close(3) = 0
[pid 5832] write(1, "executing program\n", 18executing program
) = 18
[pid 5832] memfd_create("syzkaller", 0) = 3
[pid 5832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffaedc00000
[pid 5832] 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 5832] munmap(0x7ffaedc00000, 138412032) = 0
[pid 5832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5832] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5832] close(3) = 0
[pid 5832] close(4) = 0
[pid 5832] mkdir("./file0", 0777) = 0
[ 89.976867][ T5832] loop0: detected capacity change from 0 to 32768
[ 90.028798][ T5832] bcachefs (loop0): Using encoding defined by superblock: utf8-12.1.0
[ 90.063679][ T5832] 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
[ 90.063679][ T5832] allowing incompatible features above 0.0: (unknown version)
[ 90.063679][ T5832] features: lz4,new_siphash,inline_data,new_extent_overwrite,btree_ptr_v2,new_varint,journal_no_flush,alloc_v2,extents_across_btree_nodes
[ 90.108701][ T5832] bcachefs (loop0): initializing new filesystem
[ 90.124409][ T5832] bcachefs (loop0): going read-write
[ 90.151080][ T5843] ODEBUG: object ffffc90003aafb90 is on stack ffffc90003aa8000, but NOT annotated.
[ 90.151391][ T5843]
[ 90.151399][ T5843] ======================================================
[ 90.151408][ T5843] WARNING: possible circular locking dependency detected
[ 90.151418][ T5843] 6.15.0-syzkaller-11796-g5abc7438f1e9 #0 Not tainted
[ 90.151431][ T5843] ------------------------------------------------------
[ 90.151440][ T5843] bch-copygc/loop/5843 is trying to acquire lock:
[ 90.151452][ T5843] ffffffff8e133280 (console_owner){....}-{0:0}, at: console_flush_all+0x13a/0xc40
[ 90.151531][ T5843]
[ 90.151531][ T5843] but task is already holding lock:
[ 90.151537][ T5843] ffffffff99c71d18 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0x85/0x3c0
[ 90.151584][ T5843]
[ 90.151584][ T5843] which lock already depends on the new lock.
[ 90.151584][ T5843]
[ 90.151590][ T5843]
[ 90.151590][ T5843] the existing dependency chain (in reverse order) is:
[ 90.151596][ T5843]
[ 90.151596][ T5843] -> #4 (&obj_hash[i].lock){-.-.}-{2:2}:
[ 90.151621][ T5843] lock_acquire+0x120/0x360
[ 90.151644][ T5843] _raw_spin_lock_irqsave+0xa7/0xf0
[ 90.151669][ T5843] debug_object_activate+0xbb/0x420
[ 90.151691][ T5843] insert_work+0x35/0x330
[ 90.151714][ T5843] __queue_work+0xcfc/0xfe0
[ 90.151728][ T5843] queue_work_on+0x181/0x270
[ 90.151742][ T5843] start_poll_synchronize_rcu_expedited+0xfc/0x140
[ 90.151764][ T5843] rcu_init+0x108/0x160
[ 90.151779][ T5843] start_kernel+0x1fb/0x500
[ 90.151800][ T5843] x86_64_start_reservations+0x24/0x30
[ 90.151816][ T5843] x86_64_start_kernel+0x143/0x1c0
[ 90.151831][ T5843] common_startup_64+0x13e/0x147
[ 90.151854][ T5843]
[ 90.151854][ T5843] -> #3 (&pool->lock){-.-.}-{2:2}:
[ 90.151880][ T5843] lock_acquire+0x120/0x360
[ 90.151902][ T5843] _raw_spin_lock+0x2e/0x40
[ 90.151922][ T5843] __queue_work+0x7b0/0xfe0
[ 90.151936][ T5843] queue_work_on+0x181/0x270
[ 90.151962][ T5843] rpm_suspend+0xe54/0x1720
[ 90.151982][ T5843] __pm_runtime_idle+0x12f/0x1a0
[ 90.152001][ T5843] __device_attach+0x342/0x400
[ 90.152023][ T5843] bus_probe_device+0x185/0x260
[ 90.152039][ T5843] device_add+0x7b6/0xb50
[ 90.152057][ T5843] serial_base_port_add+0x2f2/0x430
[ 90.152087][ T5843] serial_core_register_port+0x367/0x2700
[ 90.152105][ T5843] serial8250_register_8250_port+0x16dc/0x2050
[ 90.152121][ T5843] serial_pnp_probe+0x527/0x790
[ 90.152137][ T5843] pnp_device_probe+0x30b/0x4c0
[ 90.152154][ T5843] really_probe+0x26d/0x9a0
[ 90.152176][ T5843] __driver_probe_device+0x18c/0x2f0
[ 90.152198][ T5843] driver_probe_device+0x4f/0x430
[ 90.152221][ T5843] __driver_attach+0x452/0x700
[ 90.152242][ T5843] bus_for_each_dev+0x233/0x2b0
[ 90.152258][ T5843] bus_add_driver+0x345/0x640
[ 90.152274][ T5843] driver_register+0x23a/0x320
[ 90.152298][ T5843] serial8250_init+0xc2/0x1c0
[ 90.152324][ T5843] do_one_initcall+0x236/0x820
[ 90.152340][ T5843] do_initcall_level+0x137/0x1f0
[ 90.152363][ T5843] do_initcalls+0x69/0xd0
[ 90.152385][ T5843] kernel_init_freeable+0x3d9/0x570
[ 90.152407][ T5843] kernel_init+0x1d/0x1d0
[ 90.152424][ T5843] ret_from_fork+0x3fc/0x770
[ 90.152447][ T5843] ret_from_fork_asm+0x1a/0x30
[ 90.152464][ T5843]
[ 90.152464][ T5843] -> #2 (&dev->power.lock){-...}-{3:3}:
[ 90.152488][ T5843] lock_acquire+0x120/0x360
[ 90.152510][ T5843] _raw_spin_lock_irqsave+0xa7/0xf0
[ 90.152531][ T5843] __pm_runtime_resume+0x10f/0x180
[ 90.152552][ T5843] __uart_start+0x171/0x440
[ 90.152568][ T5843] uart_write+0x278/0xa40
[ 90.152585][ T5843] n_tty_write+0xd35/0x11d0
[ 90.152609][ T5843] file_tty_write+0x503/0x990
[ 90.152626][ T5843] vfs_write+0x54b/0xa90
[ 90.152641][ T5843] ksys_write+0x145/0x250
[ 90.152655][ T5843] do_syscall_64+0xfa/0x3b0
[ 90.152681][ T5843] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 90.152698][ T5843]
[ 90.152698][ T5843] -> #1 (&port_lock_key){-.-.}-{3:3}:
[ 90.152721][ T5843] lock_acquire+0x120/0x360
[ 90.152743][ T5843] _raw_spin_lock_irqsave+0xa7/0xf0
[ 90.152764][ T5843] serial8250_console_write+0x17e/0x1ba0
[ 90.152786][ T5843] console_flush_all+0x728/0xc40
[ 90.152803][ T5843] console_unlock+0xc4/0x270
[ 90.152818][ T5843] vprintk_emit+0x5b7/0x7a0
[ 90.152833][ T5843] _printk+0xcf/0x120
[ 90.152849][ T5843] register_console+0xa8b/0xf90
[ 90.152867][ T5843] univ8250_console_init+0x52/0x90
[ 90.152893][ T5843] console_init+0x1a1/0x670
[ 90.152917][ T5843] start_kernel+0x2cc/0x500
[ 90.152938][ T5843] x86_64_start_reservations+0x24/0x30
[ 90.152954][ T5843] x86_64_start_kernel+0x143/0x1c0
[ 90.152968][ T5843] common_startup_64+0x13e/0x147
[ 90.152986][ T5843]
[ 90.152986][ T5843] -> #0 (console_owner){....}-{0:0}:
[ 90.153010][ T5843] validate_chain+0xb9b/0x2140
[ 90.153025][ T5843] __lock_acquire+0xab9/0xd20
[ 90.153047][ T5843] lock_acquire+0x120/0x360
[ 90.153069][ T5843] console_flush_all+0x6d2/0xc40
[ 90.153090][ T5843] console_unlock+0xc4/0x270
[ 90.153105][ T5843] vprintk_emit+0x5b7/0x7a0
[ 90.153119][ T5843] _printk+0xcf/0x120
[ 90.153135][ T5843] __debug_object_init+0x2c8/0x3c0
[ 90.153156][ T5843] rhashtable_init_noprof+0x7c0/0xbb0
[ 90.153174][ T5843] bch2_copygc_thread+0x116/0xdc0
[ 90.153195][ T5843] kthread+0x711/0x8a0
[ 90.153213][ T5843] ret_from_fork+0x3fc/0x770
[ 90.153235][ T5843] ret_from_fork_asm+0x1a/0x30
[ 90.153252][ T5843]
[ 90.153252][ T5843] other info that might help us debug this:
[ 90.153252][ T5843]
[ 90.153258][ T5843] Chain exists of:
[ 90.153258][ T5843] console_owner --> &pool->lock --> &obj_hash[i].lock
[ 90.153258][ T5843]
[ 90.153286][ T5843] Possible unsafe locking scenario:
[ 90.153286][ T5843]
[ 90.153291][ T5843] CPU0 CPU1
[ 90.153296][ T5843] ---- ----
[ 90.153302][ T5843] lock(&obj_hash[i].lock);
[ 90.153313][ T5843] lock(&pool->lock);
[ 90.153326][ T5843] lock(&obj_hash[i].lock);
[ 90.153339][ T5843] lock(console_owner);
[ 90.153351][ T5843]
[ 90.153351][ T5843] *** DEADLOCK ***
[ 90.153351][ T5843]
[ 90.153356][ T5843] 3 locks held by bch-copygc/loop/5843:
[ 90.153366][ T5843] #0: ffffffff99c71d18 (&obj_hash[i].lock){-.-.}-{2:2}, at: __debug_object_init+0x85/0x3c0
[ 90.153413][ T5843] #1: ffffffff8e1332e0 (console_lock){+.+.}-{0:0}, at: _printk+0xcf/0x120
[ 90.153454][ T5843] #2: ffffffff8e01abb0 (console_srcu){....}-{0:0}, at: console_flush_all+0x13a/0xc40
[ 90.153497][ T5843]
[ 90.153497][ T5843] stack backtrace:
[ 90.153506][ T5843] CPU: 1 UID: 0 PID: 5843 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-11796-g5abc7438f1e9 #0 PREEMPT(full)
[ 90.153526][ T5843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 90.153536][ T5843] Call Trace:
[ 90.153543][ T5843]
[ 90.153551][ T5843] dump_stack_lvl+0x189/0x250
[ 90.153580][ T5843] ? __pfx_dump_stack_lvl+0x10/0x10
[ 90.153607][ T5843] ? __pfx__printk+0x10/0x10
[ 90.153626][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 90.153647][ T5843] ? print_lock_name+0xde/0x100
[ 90.153666][ T5843] print_circular_bug+0x2ee/0x310
[ 90.153686][ T5843] check_noncircular+0x134/0x160
[ 90.153706][ T5843] validate_chain+0xb9b/0x2140
[ 90.153733][ T5843] __lock_acquire+0xab9/0xd20
[ 90.153761][ T5843] ? console_flush_all+0x13a/0xc40
[ 90.153779][ T5843] lock_acquire+0x120/0x360
[ 90.153803][ T5843] ? console_flush_all+0x13a/0xc40
[ 90.153823][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 90.153845][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 90.153865][ T5843] ? do_raw_spin_unlock+0x122/0x240
[ 90.153886][ T5843] ? console_flush_all+0x13a/0xc40
[ 90.153906][ T5843] console_flush_all+0x6d2/0xc40
[ 90.153925][ T5843] ? console_flush_all+0x13a/0xc40
[ 90.153945][ T5843] ? console_flush_all+0x13a/0xc40
[ 90.153967][ T5843] ? __pfx_console_flush_all+0x10/0x10
[ 90.153991][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 90.154011][ T5843] ? is_printk_cpu_sync_owner+0x32/0x40
[ 90.154041][ T5843] console_unlock+0xc4/0x270
[ 90.154059][ T5843] ? __pfx_console_unlock+0x10/0x10
[ 90.154083][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 90.154103][ T5843] ? is_printk_cpu_sync_owner+0x32/0x40
[ 90.154128][ T5843] vprintk_emit+0x5b7/0x7a0
[ 90.154145][ T5843] ? __pfx_vprintk_emit+0x10/0x10
[ 90.154162][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 90.154182][ T5843] ? __lock_acquire+0xab9/0xd20
[ 90.154209][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 90.154229][ T5843] ? do_raw_spin_lock+0x121/0x290
[ 90.154252][ T5843] _printk+0xcf/0x120
[ 90.154272][ T5843] ? __pfx__printk+0x10/0x10
[ 90.154288][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 90.154311][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 90.154334][ T5843] __debug_object_init+0x2c8/0x3c0
[ 90.154359][ T5843] ? rhashtable_init_noprof+0x4ee/0xbb0
[ 90.154381][ T5843] rhashtable_init_noprof+0x7c0/0xbb0
[ 90.154403][ T5843] bch2_copygc_thread+0x116/0xdc0
[ 90.154431][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 90.154455][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 90.154496][ T5843] ? finish_task_switch+0x266/0x950
[ 90.154519][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 90.154539][ T5843] ? lockdep_hardirqs_on+0x9c/0x150
[ 90.154571][ T5843] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 90.154607][ T5843] ? __kthread_parkme+0x7b/0x200
[ 90.154623][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 90.154643][ T5843] ? __kthread_parkme+0x1a1/0x200
[ 90.154663][ T5843] kthread+0x711/0x8a0
[ 90.154683][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 90.154706][ T5843] ? __pfx_kthread+0x10/0x10
[ 90.154724][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 90.154746][ T5843] ? _raw_spin_unlock_irq+0x23/0x50
[ 90.154769][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 90.154789][ T5843] ? lockdep_hardirqs_on+0x9c/0x150
[ 90.154812][ T5843] ? __pfx_kthread+0x10/0x10
[ 90.154832][ T5843] ret_from_fork+0x3fc/0x770
[ 90.154858][ T5843] ? __pfx_ret_from_fork+0x10/0x10
[ 90.154886][ T5843] ? __switch_to_asm+0x39/0x70
[ 90.154903][ T5843] ? __switch_to_asm+0x33/0x70
[ 90.154920][ T5843] ? __pfx_kthread+0x10/0x10
[ 90.154940][ T5843] ret_from_fork_asm+0x1a/0x30
[ 90.154965][ T5843]
[ 91.165965][ T5843] ------------[ cut here ]------------
[ 91.171447][ T5843] WARNING: CPU: 1 PID: 5843 at lib/debugobjects.c:655 __debug_object_init+0x2c9/0x3c0
[ 91.181022][ T5843] Modules linked in:
[ 91.184917][ T5843] CPU: 1 UID: 0 PID: 5843 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-11796-g5abc7438f1e9 #0 PREEMPT(full)
[ 91.196981][ T5843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 91.207299][ T5843] RIP: 0010:__debug_object_init+0x2c9/0x3c0
[ 91.213303][ T5843] Code: 4a fc cc 41 ff c7 44 89 3d e4 09 14 15 48 c7 c1 c0 7a e2 8b 48 c7 c7 20 7b e2 8b 84 c0 48 0f 45 f9 48 89 de e8 f8 7b 61 fc 90 <0f> 0b 90 e9 c0 fe ff ff e8 3a 1c 00 00 8b 05 1c c9 c6 09 3b 05 1a
[ 91.232965][ T5843] RSP: 0018:ffffc90003aaf6e0 EFLAGS: 00010046
[ 91.239039][ T5843] RAX: 0000000000000050 RBX: ffffc90003aafb90 RCX: 1a480fa618d01b00
[ 91.247186][ T5843] RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
[ 91.255243][ T5843] RBP: ffff88807f373c20 R08: ffff8880b8724293 R09: 1ffff110170e4852
[ 91.263219][ T5843] R10: dffffc0000000000 R11: ffffed10170e4853 R12: 0000000000000040
[ 91.271208][ T5843] R13: ffff8880790b04d0 R14: dffffc0000000000 R15: 0000000000000001
[ 91.279617][ T5843] FS: 0000000000000000(0000) GS:ffff888125d5c000(0000) knlGS:0000000000000000
[ 91.288549][ T5843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 91.295129][ T5843] CR2: 00007ffefd8adfd4 CR3: 000000003379f000 CR4: 0000000000350ef0
[ 91.303098][ T5843] Call Trace:
[ 91.306371][ T5843]
[ 91.309298][ T5843] ? rhashtable_init_noprof+0x4ee/0xbb0
[ 91.314854][ T5843] rhashtable_init_noprof+0x7c0/0xbb0
[ 91.320235][ T5843] bch2_copygc_thread+0x116/0xdc0
[ 91.325277][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 91.330914][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 91.336513][ T5843] ? finish_task_switch+0x266/0x950
[ 91.341721][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 91.347360][ T5843] ? lockdep_hardirqs_on+0x9c/0x150
[ 91.352578][ T5843] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 91.358057][ T5843] ? __kthread_parkme+0x7b/0x200
[ 91.362992][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 91.368633][ T5843] ? __kthread_parkme+0x1a1/0x200
[ 91.373663][ T5843] kthread+0x711/0x8a0
[ 91.377759][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 91.383320][ T5843] ? __pfx_kthread+0x10/0x10
[ 91.387911][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 91.393545][ T5843] ? _raw_spin_unlock_irq+0x23/0x50
[ 91.398745][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 91.404491][ T5843] ? lockdep_hardirqs_on+0x9c/0x150
[ 91.409691][ T5843] ? __pfx_kthread+0x10/0x10
[ 91.414282][ T5843] ret_from_fork+0x3fc/0x770
[ 91.418881][ T5843] ? __pfx_ret_from_fork+0x10/0x10
[ 91.424030][ T5843] ? __switch_to_asm+0x39/0x70
[ 91.428789][ T5843] ? __switch_to_asm+0x33/0x70
[ 91.433550][ T5843] ? __pfx_kthread+0x10/0x10
[ 91.438148][ T5843] ret_from_fork_asm+0x1a/0x30
[ 91.442916][ T5843]
[ 91.445934][ T5843] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 91.453211][ T5843] CPU: 1 UID: 0 PID: 5843 Comm: bch-copygc/loop Not tainted 6.15.0-syzkaller-11796-g5abc7438f1e9 #0 PREEMPT(full)
[ 91.465271][ T5843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[ 91.475321][ T5843] Call Trace:
[ 91.478595][ T5843]
[ 91.481517][ T5843] dump_stack_lvl+0x99/0x250
[ 91.486122][ T5843] ? __asan_memcpy+0x40/0x70
[ 91.490718][ T5843] ? __pfx_dump_stack_lvl+0x10/0x10
[ 91.495928][ T5843] ? __pfx__printk+0x10/0x10
[ 91.500520][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 91.506160][ T5843] panic+0x2db/0x790
[ 91.510155][ T5843] ? __pfx_panic+0x10/0x10
[ 91.514576][ T5843] ? show_trace_log_lvl+0x4fb/0x550
[ 91.519785][ T5843] ? ret_from_fork_asm+0x1a/0x30
[ 91.524763][ T5843] __warn+0x31b/0x4b0
[ 91.528756][ T5843] ? __debug_object_init+0x2c9/0x3c0
[ 91.534047][ T5843] ? __debug_object_init+0x2c9/0x3c0
[ 91.539364][ T5843] report_bug+0x2be/0x4f0
[ 91.543789][ T5843] ? __debug_object_init+0x2c9/0x3c0
[ 91.549163][ T5843] ? __debug_object_init+0x2c9/0x3c0
[ 91.554453][ T5843] ? __debug_object_init+0x2cb/0x3c0
[ 91.559745][ T5843] handle_bug+0x84/0x160
[ 91.563992][ T5843] exc_invalid_op+0x1a/0x50
[ 91.568496][ T5843] asm_exc_invalid_op+0x1a/0x20
[ 91.573435][ T5843] RIP: 0010:__debug_object_init+0x2c9/0x3c0
[ 91.579341][ T5843] Code: 4a fc cc 41 ff c7 44 89 3d e4 09 14 15 48 c7 c1 c0 7a e2 8b 48 c7 c7 20 7b e2 8b 84 c0 48 0f 45 f9 48 89 de e8 f8 7b 61 fc 90 <0f> 0b 90 e9 c0 fe ff ff e8 3a 1c 00 00 8b 05 1c c9 c6 09 3b 05 1a
[ 91.598950][ T5843] RSP: 0018:ffffc90003aaf6e0 EFLAGS: 00010046
[ 91.605022][ T5843] RAX: 0000000000000050 RBX: ffffc90003aafb90 RCX: 1a480fa618d01b00
[ 91.612991][ T5843] RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
[ 91.620955][ T5843] RBP: ffff88807f373c20 R08: ffff8880b8724293 R09: 1ffff110170e4852
[ 91.628924][ T5843] R10: dffffc0000000000 R11: ffffed10170e4853 R12: 0000000000000040
[ 91.636889][ T5843] R13: ffff8880790b04d0 R14: dffffc0000000000 R15: 0000000000000001
[ 91.644868][ T5843] ? rhashtable_init_noprof+0x4ee/0xbb0
[ 91.650420][ T5843] rhashtable_init_noprof+0x7c0/0xbb0
[ 91.655794][ T5843] bch2_copygc_thread+0x116/0xdc0
[ 91.660834][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 91.666490][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 91.672068][ T5843] ? finish_task_switch+0x266/0x950
[ 91.677272][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 91.682905][ T5843] ? lockdep_hardirqs_on+0x9c/0x150
[ 91.688119][ T5843] ? __pfx_rhashtable_jhash2+0x10/0x10
[ 91.693594][ T5843] ? __kthread_parkme+0x7b/0x200
[ 91.698526][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 91.704158][ T5843] ? __kthread_parkme+0x1a1/0x200
[ 91.709184][ T5843] kthread+0x711/0x8a0
[ 91.713278][ T5843] ? __pfx_bch2_copygc_thread+0x10/0x10
[ 91.718826][ T5843] ? __pfx_kthread+0x10/0x10
[ 91.723414][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 91.729055][ T5843] ? _raw_spin_unlock_irq+0x23/0x50
[ 91.734262][ T5843] ? srso_alias_return_thunk+0x5/0xfbef5
[ 91.739893][ T5843] ? lockdep_hardirqs_on+0x9c/0x150
[ 91.745119][ T5843] ? __pfx_kthread+0x10/0x10
[ 91.749712][ T5843] ret_from_fork+0x3fc/0x770
[ 91.754315][ T5843] ? __pfx_ret_from_fork+0x10/0x10
[ 91.759444][ T5843] ? __switch_to_asm+0x39/0x70
[ 91.764206][ T5843] ? __switch_to_asm+0x33/0x70
[ 91.768967][ T5843] ? __pfx_kthread+0x10/0x10
[ 91.773561][ T5843] ret_from_fork_asm+0x1a/0x30
[ 91.778339][ T5843]
[ 91.781563][ T5843] Kernel Offset: disabled
[ 91.785884][ T5843] Rebooting in 86400 seconds..