------------[ cut here ]------------ WARNING: CPU: 1 PID: 27721 at net/mac80211/rx.c:4592 ieee80211_rx_napi.cold+0x11/0x80 net/mac80211/rx.c:4592 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 27721 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:ieee80211_rx_napi.cold+0x11/0x80 net/mac80211/rx.c:4592 Code: ff e8 c4 15 4e f9 48 c7 c7 c0 c0 67 89 e8 23 47 df ff 0f 0b e9 02 0c 8c ff e8 ac 15 4e f9 48 c7 c7 c0 c0 67 89 e8 0b 47 df ff <0f> 0b e9 64 82 8c ff e8 94 15 4e f9 48 c7 c7 c0 c0 67 89 e8 f3 46 RSP: 0018:ffff8880ba107d00 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8880534f3448 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff814dff01 RDI: ffffed1017420f92 RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff88809d918d40 R13: ffff8880534f1b00 R14: ffff8880534f1b00 R15: ffff88809d918d40 ieee80211_rx include/net/mac80211.h:4109 [inline] ieee80211_tasklet_handler+0x101/0x160 net/mac80211/main.c:229 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3744 Code: 00 00 e8 3d 04 29 f9 e8 58 3f 4f f9 4c 89 e8 48 c1 e8 03 80 3c 18 00 75 69 48 83 3d 9b 18 d9 01 00 74 5b fb 66 0f 1f 44 00 00 01 00 00 00 e8 40 d1 ff ff 48 c7 c0 90 82 f1 89 48 c1 e8 03 80 RSP: 0018:ffff888021e1f7c0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 1ffff110164f6997 RDX: 0000000000000000 RSI: ffff8880b27b4cc0 RDI: ffff8880b27b4c44 RBP: ffffed10164f6878 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b27b43c0 R13: ffffffff89f18298 R14: 0000000000000000 R15: 0000000000000000 retint_kernel+0x1b/0x2d RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:qlink_free mm/kasan/quarantine.c:150 [inline] RIP: 0010:qlist_free_all+0xfc/0x140 mm/kasan/quarantine.c:166 Code: 50 08 48 8d 4a ff 83 e2 01 48 0f 45 c1 4c 8b 70 18 e9 40 ff ff ff e8 a3 36 cf ff 48 83 3d e3 0f 59 08 00 74 38 4c 89 ff 57 9d <0f> 1f 44 00 00 4d 85 e4 75 9e 49 c7 45 08 00 00 00 00 49 c7 45 00 RSP: 0018:ffff888021e1f890 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: ffff888051a80840 RCX: 1ffff110164f6997 RDX: 0000000000000000 RSI: ffff8880b27b4cc0 RDI: 0000000000000286 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88804bedc880 R13: ffff888021e1f8c8 R14: ffff88823b843380 R15: 0000000000000286 quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538 audit: type=1800 audit(1669714338.305:92): pid=27729 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.3" name="bus" dev="sda1" ino=15926 res=0 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] kmem_cache_alloc+0x110/0x370 mm/slab.c:3557 anon_vma_alloc mm/rmap.c:82 [inline] anon_vma_fork+0xed/0x630 mm/rmap.c:341 dup_mmap kernel/fork.c:504 [inline] dup_mm kernel/fork.c:1285 [inline] copy_mm kernel/fork.c:1341 [inline] copy_process.part.0+0x360f/0x8260 kernel/fork.c:1913 copy_process kernel/fork.c:1710 [inline] _do_fork+0x22f/0xf30 kernel/fork.c:2219 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb2bb5be0d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb2b9b30118 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fb2bb6ddf80 RCX: 00007fb2bb5be0d9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fb2bb619ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffed43b74df R14: 00007fb2b9b30300 R15: 0000000000022000 Kernel Offset: disabled Rebooting in 86400 seconds.. ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: e8 3d 04 29 f9 callq 0xf9290444 7: e8 58 3f 4f f9 callq 0xf94f3f64 c: 4c 89 e8 mov %r13,%rax f: 48 c1 e8 03 shr $0x3,%rax 13: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1) 17: 75 69 jne 0x82 19: 48 83 3d 9b 18 d9 01 cmpq $0x0,0x1d9189b(%rip) # 0x1d918bc 20: 00 21: 74 5b je 0x7e 23: fb sti 24: 66 0f 1f 44 00 00 nopw 0x0(%rax,%rax,1) * 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 40 d1 ff ff callq 0xffffd174 34: 48 c7 c0 90 82 f1 89 mov $0xffffffff89f18290,%rax 3b: 48 c1 e8 03 shr $0x3,%rax 3f: 80 .byte 0x80