------------[ cut here ]------------ WARNING: CPU: 0 PID: 15186 at kernel/entry/common.c:364 irqentry_exit+0x47/0x90 kernel/entry/common.c:368 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 15186 Comm: syz-executor.3 Not tainted 5.9.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x198/0x1fd lib/dump_stack.c:118 panic+0x382/0x7fb kernel/panic.c:231 __warn.cold+0x20/0x4b kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:irqentry_exit+0x47/0x90 kernel/entry/common.c:364 Code: 27 f6 87 91 00 00 00 02 74 18 40 84 f6 75 3b 65 8b 05 ed 73 cf 77 a9 ff ff ff 7f 74 11 e9 51 d2 49 f9 40 84 f6 75 3f c3 eb 89 <0f> 0b eb ca e8 d0 74 31 f9 65 48 8b 04 25 c0 fe 01 00 48 8b 00 a8 RSP: 0018:ffffc90000006dd0 EFLAGS: 00010002 RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff813547c7 RDX: ffff88805fb8e140 RSI: 0000000000000000 RDI: ffffc90000006e08 RBP: ffffc90000006e08 R08: 000000745ea80000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000745ea80000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 exc_page_fault+0xd9/0x190 arch/x86/mm/fault.c:1485 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538 RIP: 0010:__softirqentry_text_end+0x39/0x55 Code: df 03 e0 ff b8 f2 ff ff ff 31 d2 e9 db 34 d2 ff 41 bf f2 ff ff ff 31 c0 e9 ab 3c a1 f8 41 bf f2 ff ff ff 31 ed e9 c6 3c a1 f8 <41> be f2 ff ff ff 48 31 c0 e9 d3 3f a1 f8 41 be f2 ff ff ff 48 31 RSP: 0018:ffffc90000006eb0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffffc90000006f70 RCX: ffffffff81014b22 RDX: ffff88805fb8e140 RSI: ffffffff81014b30 RDI: 0000000000000006 RBP: 000000745ea80000 R08: 0000000000000000 R09: ffff88805fb8e147 R10: 000000745ea80000 R11: 0000000000000001 R12: ffffc90000006f7c R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88805fb8e140 get_perf_callchain+0x324/0x640 kernel/events/callchain.c:221 perf_callchain+0x165/0x1c0 kernel/events/core.c:6985 perf_prepare_sample+0x8fd/0x1d40 kernel/events/core.c:7012 __perf_event_output kernel/events/core.c:7170 [inline] perf_event_output_forward+0xf3/0x270 kernel/events/core.c:7190 __perf_event_overflow+0x13c/0x370 kernel/events/core.c:8845 perf_swevent_overflow kernel/events/core.c:8921 [inline] perf_swevent_event+0x4b9/0x550 kernel/events/core.c:8959 perf_tp_event+0x2e4/0xb60 kernel/events/core.c:9377 perf_trace_run_bpf_submit+0x11c/0x210 kernel/events/core.c:9351 perf_trace_lock_acquire+0x34c/0x550 include/trace/events/lock.h:13 trace_lock_acquire include/trace/events/lock.h:13 [inline] lock_acquire+0x37c/0xaf0 kernel/locking/lockdep.c:5003 rcu_lock_acquire include/linux/rcupdate.h:241 [inline] rcu_read_lock include/linux/rcupdate.h:634 [inline] is_bpf_text_address+0x36/0x160 kernel/bpf/core.c:706 kernel_text_address kernel/extable.c:151 [inline] kernel_text_address+0xbd/0xf0 kernel/extable.c:120 __kernel_text_address+0x9/0x30 kernel/extable.c:105 unwind_get_return_address arch/x86/kernel/unwind_orc.c:317 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:312 arch_stack_walk+0x97/0xf0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:123 save_trace+0x43/0xba0 kernel/locking/lockdep.c:513 check_prev_add kernel/locking/lockdep.c:2539 [inline] check_prevs_add kernel/locking/lockdep.c:2601 [inline] validate_chain kernel/locking/lockdep.c:3218 [inline] __lock_acquire+0x4aa5/0x5780 kernel/locking/lockdep.c:4441 lock_acquire+0x1f3/0xaf0 kernel/locking/lockdep.c:5029 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:359 [inline] wg_packet_purge_staged_packets+0x25/0x270 drivers/net/wireguard/send.c:344 wg_expired_retransmit_handshake+0x6c/0x3a0 drivers/net/wireguard/timers.c:55 call_timer_fn+0x1ac/0x760 kernel/time/timer.c:1413 expire_timers kernel/time/timer.c:1458 [inline] __run_timers.part.0+0x67c/0xaa0 kernel/time/timer.c:1755 __run_timers kernel/time/timer.c:1736 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1768 __do_softirq+0x1f8/0xb23 kernel/softirq.c:298 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0x9d/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x235/0x280 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x51/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline] RIP: 0010:qlink_free mm/kasan/quarantine.c:152 [inline] RIP: 0010:qlist_free_all+0xb4/0x170 mm/kasan/quarantine.c:168 Code: 48 c1 e8 03 42 c6 04 38 fb e8 78 7c ff ff 4d 85 f6 0f 85 85 00 00 00 48 83 3d 5f 99 44 08 00 0f 84 8a 00 00 00 48 89 df 57 9d <0f> 1f 44 00 00 4d 85 e4 74 7d 48 85 ed 4c 89 e6 48 89 ef 0f 85 69 RSP: 0018:ffffc90005747680 EFLAGS: 00000286 RAX: 0000000000004cdf RBX: 0000000000000286 RCX: ffffc9000ec64000 RDX: 0000000000040000 RSI: 0000000000000000 RDI: 0000000000000286 RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffff8d0ffa6f R10: fffffbfff1a1ff4d R11: 0000000000000000 R12: ffff88809243fb40 R13: ffffc900057476c8 R14: 0000000000000200 R15: dffffc0000000000 quarantine_reduce+0x17e/0x200 mm/kasan/quarantine.c:261 __kasan_kmalloc.constprop.0+0x9e/0xd0 mm/kasan/common.c:442 slab_post_alloc_hook mm/slab.h:518 [inline] slab_alloc mm/slab.c:3312 [inline] kmem_cache_alloc+0x13a/0x3f0 mm/slab.c:3482 kmem_cache_zalloc include/linux/slab.h:656 [inline] alloc_buffer_head+0x20/0x140 fs/buffer.c:3352 alloc_page_buffers+0x167/0x590 fs/buffer.c:856 create_empty_buffers+0x2c/0x820 fs/buffer.c:1561 ext4_block_write_begin+0x10dd/0x1490 fs/ext4/inode.c:1041 ext4_da_write_begin+0x3e4/0x11d0 fs/ext4/inode.c:2996 generic_perform_write+0x20a/0x4f0 mm/filemap.c:3501 ext4_buffered_write_iter+0x235/0x4a0 fs/ext4/file.c:269 ext4_file_write_iter+0x1f0/0x13f0 fs/ext4/file.c:660 call_write_iter include/linux/fs.h:1882 [inline] new_sync_write+0x422/0x650 fs/read_write.c:503 vfs_write+0x5ad/0x730 fs/read_write.c:578 ksys_write+0x12d/0x250 fs/read_write.c:631 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45e179 Code: 3d b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 0b b2 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f4380617c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00000000000393c0 RCX: 000000000045e179 RDX: 0000000000400086 RSI: 0000000020000200 RDI: 0000000000000005 RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c R13: 00007ffc035a5ddf R14: 00007f43806189c0 R15: 000000000118cf4c Kernel Offset: disabled Rebooting in 86400 seconds..