[syzbot] [wireguard?] WARNING in wg_packet_send_staged_packets
syzbot
syzbot+c369d311130fba58211b at syzkaller.appspotmail.com
Mon Apr 29 11:19:23 UTC 2024
Hello,
syzbot found the following issue on:
HEAD commit: 443574b03387 riscv, bpf: Fix kfunc parameters incompatibil..
git tree: bpf
console output: https://syzkaller.appspot.com/x/log.txt?x=124bc980980000
kernel config: https://syzkaller.appspot.com/x/.config?x=6fb1be60a193d440
dashboard link: https://syzkaller.appspot.com/bug?extid=c369d311130fba58211b
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/3f355021a085/disk-443574b0.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/44cf4de7472a/vmlinux-443574b0.xz
kernel image: https://storage.googleapis.com/syzbot-assets/a99a36c7ad65/bzImage-443574b0.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c369d311130fba58211b at syzkaller.appspotmail.com
------------[ cut here ]------------
raw_local_irq_restore() called with IRQs enabled
WARNING: CPU: 1 PID: 4522 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x29/0x40 kernel/locking/irqflag-debug.c:10
Modules linked in:
CPU: 1 PID: 4522 Comm: udevd Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:warn_bogus_irq_restore+0x29/0x40 kernel/locking/irqflag-debug.c:10
Code: 90 f3 0f 1e fa 90 80 3d de 59 01 04 00 74 06 90 c3 cc cc cc cc c6 05 cf 59 01 04 01 90 48 c7 c7 20 ba aa 8b e8 f8 d5 e7 f5 90 <0f> 0b 90 90 90 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
RSP: 0018:ffffc90000a088f8 EFLAGS: 00010246
RAX: 4f8ab1c1a13e3e00 RBX: 0000000000000200 RCX: ffff88804d5abc00
RDX: 0000000080000301 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a089d0 R08: ffffffff8157cc12 R09: 1ffff110172a51a2
R10: dffffc0000000000 R11: ffffed10172a51a3 R12: 0000000000000200
R13: 0000000000000000 R14: 0000000000000246 R15: 1ffff92000141124
FS: 00007f0b23ab9c80(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31125000 CR3: 000000002c066000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
queue_work_on+0x1ea/0x250 kernel/workqueue.c:2439
wg_queue_enqueue_per_device_and_peer drivers/net/wireguard/queueing.h:176 [inline]
wg_packet_create_data drivers/net/wireguard/send.c:320 [inline]
wg_packet_send_staged_packets+0x11d6/0x1900 drivers/net/wireguard/send.c:388
call_timer_fn+0x17e/0x600 kernel/time/timer.c:1792
------------[ cut here ]------------
WARNING: CPU: 1 PID: 4522 at kernel/softirq.c:307 __local_bh_disable_ip+0x1f6/0x220 kernel/softirq.c:307
Modules linked in:
CPU: 1 PID: 4522 Comm: udevd Not tainted 6.8.0-syzkaller-05236-g443574b03387 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__local_bh_disable_ip+0x1f6/0x220 kernel/softirq.c:307
Code: 2c 0b 00 65 48 8b 04 25 28 00 00 00 48 3b 84 24 80 00 00 00 75 33 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 90 <0f> 0b 90 e9 99 fe ff ff e8 4d 84 16 0a 41 f7 c6 00 02 00 00 0f 85
RSP: 0018:ffffc90000a07aa0 EFLAGS: 00010006
RAX: 0000000000010306 RBX: ffffffff895fca60 RCX: ffff88804d5abc00
RDX: dffffc0000000000 RSI: 0000000000000201 RDI: ffffffff895fca60
RBP: ffffc90000a07b68 R08: 0000000000000005 R09: ffffffff89600d7e
R10: 000000000000000c R11: ffff88804d5abc00 R12: dffffc0000000000
R13: 1ffff92000140f58 R14: ffffc90000a07b00 R15: 0000000000000201
FS: 00007f0b23ab9c80(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31125000 CR3: 000000002c066000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:125 [inline]
_raw_spin_lock_bh+0x1c/0x50 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:356 [inline]
sock_hash_delete_elem+0xb0/0x300 net/core/sock_map.c:939
bpf_prog_bc4ba9860fbb0da4+0x46/0x4a
bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
__bpf_prog_run include/linux/filter.h:657 [inline]
bpf_prog_run include/linux/filter.h:664 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
bpf_trace_run3+0x238/0x460 kernel/trace/bpf_trace.c:2421
trace_workqueue_queue_work include/trace/events/workqueue.h:23 [inline]
__queue_work+0xe5b/0xec0 kernel/workqueue.c:2382
queue_work_on+0x14f/0x250 kernel/workqueue.c:2435
queue_work include/linux/workqueue.h:605 [inline]
stats_request+0xd0/0x100 drivers/virtio/virtio_balloon.c:374
vring_interrupt+0x21d/0x380 drivers/virtio/virtio_ring.c:2595
__handle_irq_event_percpu+0x28a/0xa30 kernel/irq/handle.c:158
handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
handle_irq_event+0x89/0x1f0 kernel/irq/handle.c:210
handle_edge_irq+0x25f/0xc20 kernel/irq/chip.c:831
generic_handle_irq_desc include/linux/irqdesc.h:161 [inline]
handle_irq arch/x86/kernel/irq.c:238 [inline]
__common_interrupt+0x138/0x230 arch/x86/kernel/irq.c:257
common_interrupt+0x4f/0xd0 arch/x86/kernel/irq.c:247
asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
RIP: 0010:console_flush_all+0x9cd/0xec0 kernel/printk/printk.c:2962
Code: 48 21 c3 0f 85 fa 01 00 00 e8 1f 6a 1f 00 48 8b 5c 24 38 4d 85 f6 75 07 e8 10 6a 1f 00 eb 06 e8 09 6a 1f 00 fb 48 8b 44 24 58 <42> 0f b6 04 28 84 c0 0f 85 4a 02 00 00 0f b6 1b 31 ff 89 de e8 ea
RSP: 0018:ffffc90000a08180 EFLAGS: 00000246
RAX: 1ffff9200014107c RBX: ffffc90000a083e0 RCX: ffff88804d5abc00
RDX: 0000000000000303 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a08330 R08: ffffffff8175863e R09: 1ffffffff1f0d5cd
R10: dffffc0000000000 R11: fffffbfff1f0d5ce R12: ffffffff8e8f47e0
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffffff8e8f4838
console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3025
vprintk_emit+0x509/0x720 kernel/printk/printk.c:2292
_printk+0xd5/0x120 kernel/printk/printk.c:2317
printk_stack_address arch/x86/kernel/dumpstack.c:72 [inline]
show_trace_log_lvl+0x43a/0x520 arch/x86/kernel/dumpstack.c:285
__warn+0x163/0x4b0 kernel/panic.c:675
__report_bug lib/bug.c:199 [inline]
report_bug+0x2b3/0x500 lib/bug.c:219
handle_bug+0x3e/0x70 arch/x86/kernel/traps.c:239
exc_invalid_op+0x1a/0x50 arch/x86/kernel/traps.c:260
asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:621
RIP: 0010:warn_bogus_irq_restore+0x29/0x40 kernel/locking/irqflag-debug.c:10
Code: 90 f3 0f 1e fa 90 80 3d de 59 01 04 00 74 06 90 c3 cc cc cc cc c6 05 cf 59 01 04 01 90 48 c7 c7 20 ba aa 8b e8 f8 d5 e7 f5 90 <0f> 0b 90 90 90 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
RSP: 0018:ffffc90000a088f8 EFLAGS: 00010246
RAX: 4f8ab1c1a13e3e00 RBX: 0000000000000200 RCX: ffff88804d5abc00
RDX: 0000000080000301 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a089d0 R08: ffffffff8157cc12 R09: 1ffff110172a51a2
R10: dffffc0000000000 R11: ffffed10172a51a3 R12: 0000000000000200
R13: 0000000000000000 R14: 0000000000000246 R15: 1ffff92000141124
queue_work_on+0x1ea/0x250 kernel/workqueue.c:2439
wg_queue_enqueue_per_device_and_peer drivers/net/wireguard/queueing.h:176 [inline]
wg_packet_create_data drivers/net/wireguard/send.c:320 [inline]
wg_packet_send_staged_packets+0x11d6/0x1900 drivers/net/wireguard/send.c:388
call_timer_fn+0x17e/0x600 kernel/time/timer.c:1792
expire_timers kernel/time/timer.c:1843 [inline]
__run_timers kernel/time/timer.c:2408 [inline]
__run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2419
run_timer_base kernel/time/timer.c:2428 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2438
__do_softirq+0x2bc/0x943 kernel/softirq.c:554
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
irq_exit_rcu+0x9/0x30 kernel/softirq.c:645
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:check_kcov_mode kernel/kcov.c:175 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:236 [inline]
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x2f/0x90 kernel/kcov.c:311
Code: 8b 04 24 65 48 8b 0c 25 80 ce 03 00 65 8b 05 20 d9 6e 7e a9 00 01 ff 00 74 10 a9 00 01 00 00 74 57 83 b9 14 16 00 00 00 74 4e <8b> 81 f0 15 00 00 83 f8 03 75 43 48 8b 91 f8 15 00 00 44 8b 89 f4
RSP: 0018:ffffc9000318f7b8 EFLAGS: 00000246
RAX: 0000000080000001 RBX: ffffc9000318f948 RCX: ffff88804d5abc00
RDX: ffffc9000318f935 RSI: ffffffff8140c1eb RDI: 0000000000000000
RBP: ffffffff8140c1ec R08: ffffffff8140911c R09: 0000000000000000
R10: ffffc9000318f900 R11: fffff52000631f2c R12: ffffc9000318f900
R13: ffffc9000318f950 R14: dffffc0000000000 R15: ffffffff8140c1ec
orc_find arch/x86/kernel/unwind_orc.c:202 [inline]
unwind_next_frame+0x1ac/0x2a00 arch/x86/kernel/unwind_orc.c:494
__unwind_start+0x641/0x7c0 arch/x86/kernel/unwind_orc.c:760
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0x103/0x1b0 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:312 [inline]
__kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3813 [inline]
slab_alloc_node mm/slub.c:3860 [inline]
kmem_cache_alloc+0x172/0x350 mm/slub.c:3867
getname_flags+0xbd/0x4f0 fs/namei.c:140
user_path_at_empty+0x2c/0x60 fs/namei.c:2921
do_readlinkat+0x118/0x3b0 fs/stat.c:499
__do_sys_readlink fs/stat.c:532 [inline]
__se_sys_readlink fs/stat.c:529 [inline]
__x64_sys_readlink+0x7f/0x90 fs/stat.c:529
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f0b23b90d47
Code: 73 01 c3 48 8b 0d e1 90 0d 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 59 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b1 90 0d 00 f7 d8 64 89 01 48
RSP: 002b:00007fff186caf58 EFLAGS: 00000246
ORIG_RAX: 0000000000000059
RAX: ffffffffffffffda RBX: 00007fff186caf68 RCX: 00007f0b23b90d47
RDX: 0000000000000400 RSI: 00007fff186caf68 RDI: 00007fff186cb448
RBP: 0000000000000400 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff186cb448
R13: 00007fff186cb3b8 R14: 0000561d6917e910 R15: 0000000000000000
</TASK>
----------------
Code disassembly (best guess):
0: 48 21 c3 and %rax,%rbx
3: 0f 85 fa 01 00 00 jne 0x203
9: e8 1f 6a 1f 00 call 0x1f6a2d
e: 48 8b 5c 24 38 mov 0x38(%rsp),%rbx
13: 4d 85 f6 test %r14,%r14
16: 75 07 jne 0x1f
18: e8 10 6a 1f 00 call 0x1f6a2d
1d: eb 06 jmp 0x25
1f: e8 09 6a 1f 00 call 0x1f6a2d
24: fb sti
25: 48 8b 44 24 58 mov 0x58(%rsp),%rax
* 2a: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 0f 85 4a 02 00 00 jne 0x281
37: 0f b6 1b movzbl (%rbx),%ebx
3a: 31 ff xor %edi,%edi
3c: 89 de mov %ebx,%esi
3e: e8 .byte 0xe8
3f: ea (bad)
---
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