syzbot


WARNING in ieee80211_rx_list (3)

Status: upstream: reported on 2024/09/09 00:10
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+b4aa2b672b18f1d4dc5f@syzkaller.appspotmail.com
First crash: 38d, last: 3d20h
Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] WARNING in ieee80211_rx_list (3) 0 (1) 2024/09/09 00:10
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in ieee80211_rx_list wireless C inconclusive error 3489 127d 1479d 26/28 fixed on 2024/06/18 10:18
upstream WARNING in ieee80211_rx_list (2) wireless 4 106d 108d 26/28 fixed on 2024/08/06 11:02
linux-5.15 WARNING in ieee80211_rx_list origin:lts-only syz error 5 83d 189d 0/3 upstream: reported syz repro on 2024/04/06 19:04
linux-6.1 WARNING in ieee80211_rx_list 1 72d 72d 0/3 upstream: reported on 2024/08/01 19:50

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 10286 at net/mac80211/rx.c:5375 ieee80211_rx_list+0x2a07/0x3780 net/mac80211/rx.c:5375
Modules linked in:
CPU: 0 UID: 0 PID: 10286 Comm: syz.4.721 Not tainted 6.12.0-rc2-syzkaller-00050-g5b7c893ed5ed #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ieee80211_rx_list+0x2a07/0x3780 net/mac80211/rx.c:5375
Code: 90 e9 21 da ff ff e8 88 77 62 f6 e9 17 da ff ff e8 7e 77 62 f6 e9 0d da ff ff e8 74 77 62 f6 e9 03 da ff ff e8 6a 77 62 f6 90 <0f> 0b 90 e9 f5 d9 ff ff e8 5c 77 62 f6 31 c0 48 89 44 24 60 e9 e5
RSP: 0000:ffffc900000079a0 EFLAGS: 00010246
RAX: ffffffff8b326eb6 RBX: 0000000000000000 RCX: ffff888029628000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007bf0 R08: ffffffff8b3246f2 R09: 1ffffffff2852100
R10: dffffc0000000000 R11: fffffbfff2852101 R12: dffffc0000000000
R13: ffff88807ea55000 R14: ffff888057230e40 R15: ffff8880572330c8
FS:  00007f88b35de6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f88b35bdd58 CR3: 0000000058a44000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 000000000000002b DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ieee80211_rx_napi+0x18a/0x3c0 net/mac80211/rx.c:5485
 ieee80211_rx include/net/mac80211.h:5138 [inline]
 ieee80211_handle_queued_frames+0xe7/0x1e0 net/mac80211/main.c:439
 tasklet_action_common+0x321/0x4d0 kernel/softirq.c:784
 handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
 instr_sysvec_call_function_single arch/x86/kernel/smp.c:266 [inline]
 sysvec_call_function_single+0xa3/0xc0 arch/x86/kernel/smp.c:266
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:709
RIP: 0010:raw_spin_rq_unlock_irq+0x19/0x90 kernel/sched/sched.h:1518
Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 53 48 89 fb eb 18 48 89 df e8 3e 43 61 0a e8 69 3f 37 00 fb 5b <41> 5e 41 5f c3 cc cc cc cc f3 0f 1e fa 49 bf 00 00 00 00 00 fc ff
RSP: 0000:ffffc900020cf208 EFLAGS: 00000286
RAX: d5a8987ea2683600 RBX: ffff8880b863ea40 RCX: ffffffff8170cd3a
RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: ffffffff8c602820
RBP: ffffc900020cf410 R08: ffffffff942908af R09: 1ffffffff2852115
R10: dffffc0000000000 R11: fffffbfff2852116 R12: ffffffff8e2f6ec8
R13: ffffffff8e2f6c10 R14: ffff8880b863f860 R15: dffffc0000000000
 __schedule+0x19fd/0x4ae0 kernel/sched/core.c:6679
 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6854
 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6878
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x130/0x140 kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 __skb_try_recv_datagram+0x1cb/0x6a0 net/core/datagram.c:266
 __unix_dgram_recvmsg+0x3ba/0x12f0 net/unix/af_unix.c:2435
 sock_recvmsg_nosec+0x18e/0x1d0 net/socket.c:1051
 ____sys_recvmsg+0x3cd/0x480 net/socket.c:2819
 ___sys_recvmsg net/socket.c:2863 [inline]
 do_recvmmsg+0x45e/0xad0 net/socket.c:2957
 __sys_recvmmsg net/socket.c:3036 [inline]
 __do_sys_recvmmsg net/socket.c:3059 [inline]
 __se_sys_recvmmsg net/socket.c:3052 [inline]
 __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3052
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f88b3b7dff9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f88b35de038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f88b3d36058 RCX: 00007f88b3b7dff9
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007f88b3bf0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f88b3d36058 R15: 00007ffc0a33ddd8
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 90 90 90 90 90    	add    %dl,-0x6f6f6f70(%rax)
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	90                   	nop
   f:	90                   	nop
  10:	90                   	nop
  11:	41 57                	push   %r15
  13:	41 56                	push   %r14
  15:	53                   	push   %rbx
  16:	48 89 fb             	mov    %rdi,%rbx
  19:	eb 18                	jmp    0x33
  1b:	48 89 df             	mov    %rbx,%rdi
  1e:	e8 3e 43 61 0a       	call   0xa614361
  23:	e8 69 3f 37 00       	call   0x373f91
  28:	fb                   	sti
  29:	5b                   	pop    %rbx
* 2a:	41 5e                	pop    %r14 <-- trapping instruction
  2c:	41 5f                	pop    %r15
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	f3 0f 1e fa          	endbr64
  37:	49                   	rex.WB
  38:	bf 00 00 00 00       	mov    $0x0,%edi
  3d:	00 fc                	add    %bh,%ah
  3f:	ff                   	.byte 0xff

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/10/08 23:40 upstream 5b7c893ed5ed 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ieee80211_rx_list
2024/09/16 01:32 upstream d42f7708e27c 08d8a733 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root WARNING in ieee80211_rx_list
2024/09/04 19:17 net b6ecc6620376 9d47f20a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce WARNING in ieee80211_rx_list
* Struck through repros no longer work on HEAD.