------------[ cut here ]------------
WARNING: CPU: 0 PID: 4857 at kernel/rcu/tree_stall.h:990 rcu_check_gp_start_stall.part.0+0x1c4/0x4b0 kernel/rcu/tree_stall.h:990
Modules linked in:
CPU: 0 PID: 4857 Comm: syz-executor.0 Not tainted 6.9.0-rc5-syzkaller-00104-ga160e1202ca3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:rcu_check_gp_start_stall.part.0+0x1c4/0x4b0 kernel/rcu/tree_stall.h:990
Code: 88 61 01 00 00 be 04 00 00 00 48 c7 c7 a0 9a 35 8d e8 f0 ee 69 00 b8 01 00 00 00 87 05 95 cf fa 0b 85 c0 0f 85 3d 01 00 00 90 <0f> 0b 90 48 81 fd 00 f5 4b 88 48 c7 c3 98 de 9a 89 74 5a 48 b8 00
RSP: 0018:ffffc90000007df0 EFLAGS: 00010046
RAX: 0000000000000000 RBX: 0000000000002904 RCX: ffffffff813acb00
RDX: fffffbfff1a6b354 RSI: 0000000000000004 RDI: ffffffff8d359aa0
RBP: ffffffff884bf500 R08: 0000000000000001 R09: fffffbfff1a6b354
R10: 0000000000000003 R11: 0000000000000004 R12: 1ffffffff1041e40
R13: 0000000000000246 R14: ffffffff884bf500 R15: ffff8881f643e652
FS: 0000000000000000(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0243dcbd58 CR3: 00000001350ec000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_check_gp_start_stall kernel/rcu/tree_stall.h:953 [inline]
rcu_core+0x4f2/0x16b0 kernel/rcu/tree.c:2466
__do_softirq+0x208/0x905 kernel/softirq.c:554
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu kernel/softirq.c:633 [inline]
irq_exit_rcu+0xaa/0x110 kernel/softirq.c:645
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:stack_trace_consume_entry+0x26/0x170 kernel/stacktrace.c:86
Code: 90 90 90 90 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 55 53 48 89 fb 48 83 c7 10 48 89 fa 48 83 ec 08 48 c1 ea 03 0f b6 04 02 <84> c0 74 08 3c 03 0f 8e e7 00 00 00 48 8d 7b 08 8b 6b 10 48 b8 00
RSP: 0018:ffffc9000b027350 EFLAGS: 00000a02
RAX: 0000000000000000 RBX: ffffc9000b027438 RCX: ffffffff810dc1de
RDX: 1ffff92001604e89 RSI: ffffffff819c13b3 RDI: ffffc9000b027448
RBP: ffffc9000b027408 R08: 0000000000000007 R09: 0000000000000000
R10: ffffffff819c13b3 R11: 0000000000000003 R12: ffffc9000b027378
R13: ffffffff813ec8d0 R14: ffffc9000b027438 R15: ffff8881365bd700
arch_stack_walk+0xe1/0x170 arch/x86/kernel/stacktrace.c:27
stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122
save_stack+0x162/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x8d/0x400 mm/page_owner.c:302
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1141 [inline]
free_unref_page_prepare+0x50c/0xae0 mm/page_alloc.c:2347
free_unref_page+0x33/0x2d0 mm/page_alloc.c:2487
__put_partials+0x14c/0x170 mm/slub.c:2906
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x4e/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x192/0x1e0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x4e/0x70 mm/kasan/common.c:322
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3798 [inline]
slab_alloc_node mm/slub.c:3845 [inline]
kmem_cache_alloc_node+0x159/0x310 mm/slub.c:3888
__alloc_skb+0x2b1/0x380 net/core/skbuff.c:658
alloc_skb include/linux/skbuff.h:1313 [inline]
alloc_uevent_skb+0x7d/0x210 lib/kobject_uevent.c:289
uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline]
kobject_uevent_net_broadcast lib/kobject_uevent.c:410 [inline]
kobject_uevent_env+0xc62/0x1810 lib/kobject_uevent.c:593
device_remove+0xc8/0x170 drivers/base/dd.c:566
__device_release_driver drivers/base/dd.c:1270 [inline]
device_release_driver_internal+0x44a/0x610 drivers/base/dd.c:1293
driver_detach+0xd8/0x1b0 drivers/base/dd.c:1356
bus_remove_driver+0x13b/0x2c0 drivers/base/bus.c:735
driver_unregister+0x76/0xb0 drivers/base/driver.c:274
usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1733
raw_release+0x1a9/0x2f0 drivers/usb/gadget/legacy/raw_gadget.c:462
__fput+0x270/0xb80 fs/file_table.c:422
task_work_run+0x14e/0x250 kernel/task_work.c:180
exit_task_work include/linux/task_work.h:38 [inline]
do_exit+0xa7d/0x2b80 kernel/exit.c:878
do_group_exit+0xd3/0x2a0 kernel/exit.c:1027
get_signal+0x2618/0x2710 kernel/signal.c:2911
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x141/0x250 kernel/entry/common.c:218
do_syscall_64+0xdc/0x260 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8fde3aaea9
Code: Unable to access opcode bytes at 0x7f8fde3aae7f.
RSP: 002b:00007ffd6aa9f328 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffff92 RBX: 0000000000000bea RCX: 00007f8fde3aaea9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f8fde4d8f8c
RBP: 00007f8fde4d8f8c R08: 0000000000000001 R09: 00007ffd6aa9f350
R10: 00007ffd6aa9f4b0 R11: 0000000000000246 R12: 0000000000017a37
R13: 0000000000016e4d R14: 00007ffd6aa9f4d0 R15: 00007f8fde361cb0
----------------
Code disassembly (best guess):
0: 90 nop
1: 90 nop
2: 90 nop
3: 90 nop
4: f3 0f 1e fa endbr64
8: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
f: fc ff df
12: 55 push %rbp
13: 53 push %rbx
14: 48 89 fb mov %rdi,%rbx
17: 48 83 c7 10 add $0x10,%rdi
1b: 48 89 fa mov %rdi,%rdx
1e: 48 83 ec 08 sub $0x8,%rsp
22: 48 c1 ea 03 shr $0x3,%rdx
26: 0f b6 04 02 movzbl (%rdx,%rax,1),%eax
* 2a: 84 c0 test %al,%al <-- trapping instruction
2c: 74 08 je 0x36
2e: 3c 03 cmp $0x3,%al
30: 0f 8e e7 00 00 00 jle 0x11d
36: 48 8d 7b 08 lea 0x8(%rbx),%rdi
3a: 8b 6b 10 mov 0x10(%rbx),%ebp
3d: 48 rex.W
3e: b8 .byte 0xb8