------------[ cut here ]------------ WARNING: CPU: 1 PID: 2966 at net/mac80211/rx.c:4900 ieee80211_rx_list+0x18e2/0x2740 net/mac80211/rx.c:4900 Modules linked in: CPU: 1 PID: 2966 Comm: udevd Not tainted 5.17.0-rc6-syzkaller-02042-g08063b4bc158 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ieee80211_rx_list+0x18e2/0x2740 net/mac80211/rx.c:4900 Code: 00 00 31 ff 89 de e8 dd 19 d3 f8 85 db 0f 85 19 02 00 00 e8 50 16 d3 f8 4c 89 e7 e8 f8 81 86 fe e9 bc eb ff ff e8 3e 16 d3 f8 <0f> 0b e9 53 ec ff ff e8 32 16 d3 f8 4c 89 ea 48 b8 00 00 00 00 00 RSP: 0018:ffffc900001d0c90 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888055f133c8 RCX: 0000000000000100 RDX: ffff88807d535700 RSI: ffffffff88a598d2 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff88a5826b R11: 0000000000000000 R12: ffff8880740b4500 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888055f10e60 FS: 00007f947160c840(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020034000 CR3: 000000002238e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> ieee80211_rx_napi+0xdb/0x3d0 net/mac80211/rx.c:4998 ieee80211_rx include/net/mac80211.h:4605 [inline] ieee80211_tasklet_handler+0xd4/0x130 net/mac80211/main.c:235 tasklet_action_common.constprop.0+0x201/0x2e0 kernel/softirq.c:784 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:lock_is_held_type+0xff/0x140 kernel/locking/lockdep.c:5687 Code: 00 00 b8 ff ff ff ff 65 0f c1 05 dc d9 b1 76 83 f8 01 75 29 9c 58 f6 c4 02 75 3d 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 45 31 ed eb b9 0f 0b 48 RSP: 0018:ffffc900020af880 EFLAGS: 00000292 RAX: 0000000000000046 RBX: 0000000000000003 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffffff8bb84520 R08: 0000000000000000 R09: ffffffff8d94aa97 R10: fffffbfff1b29552 R11: 0000000000000001 R12: ffff88807d535700 R13: 0000000000000000 R14: 00000000ffffffff R15: ffff88807d5361b0 lock_is_held include/linux/lockdep.h:283 [inline] rcu_read_lock_sched_held+0x3a/0x70 kernel/rcu/update.c:125 trace_lock_release include/trace/events/lock.h:58 [inline] lock_release+0x522/0x720 kernel/locking/lockdep.c:5650 might_alloc include/linux/sched/mm.h:253 [inline] slab_pre_alloc_hook mm/slab.h:705 [inline] slab_alloc_node mm/slub.c:3144 [inline] slab_alloc mm/slub.c:3238 [inline] kmem_cache_alloc_trace+0x3b/0x3d0 mm/slub.c:3255 kmalloc include/linux/slab.h:581 [inline] kernfs_get_open_node fs/kernfs/file.c:552 [inline] kernfs_fop_open+0xa4b/0xe00 fs/kernfs/file.c:698 do_dentry_open+0x4b9/0x1250 fs/open.c:824 do_open fs/namei.c:3476 [inline] path_openat+0x1c9e/0x2940 fs/namei.c:3609 do_filp_open+0x1aa/0x400 fs/namei.c:3636 do_sys_openat2+0x16d/0x4d0 fs/open.c:1214 do_sys_open fs/open.c:1230 [inline] __do_sys_openat fs/open.c:1246 [inline] __se_sys_openat fs/open.c:1241 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1241 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f9471763697 Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f RSP: 002b:00007ffc1e7671e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00005616cf22c650 RCX: 00007f9471763697 RDX: 0000000000080000 RSI: 00007ffc1e767318 RDI: 00000000ffffff9c RBP: 00007ffc1e767318 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000 R13: 00005616cf22c650 R14: 0000000000000001 R15: 0000000000000000 </TASK> ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: b8 ff ff ff ff mov $0xffffffff,%eax 7: 65 0f c1 05 dc d9 b1 xadd %eax,%gs:0x76b1d9dc(%rip) # 0x76b1d9eb e: 76 f: 83 f8 01 cmp $0x1,%eax 12: 75 29 jne 0x3d 14: 9c pushfq 15: 58 pop %rax 16: f6 c4 02 test $0x2,%ah 19: 75 3d jne 0x58 1b: 48 f7 04 24 00 02 00 testq $0x200,(%rsp) 22: 00 23: 74 01 je 0x26 25: fb sti 26: 48 83 c4 08 add $0x8,%rsp * 2a: 44 89 e8 mov %r13d,%eax <-- trapping instruction 2d: 5b pop %rbx 2e: 5d pop %rbp 2f: 41 5c pop %r12 31: 41 5d pop %r13 33: 41 5e pop %r14 35: 41 5f pop %r15 37: c3 retq 38: 45 31 ed xor %r13d,%r13d 3b: eb b9 jmp 0xfffffff6 3d: 0f 0b ud2 3f: 48 rex.W