------------[ cut here ]------------ WARNING: CPU: 0 PID: 17355 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: 0 PID: 17355 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 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:ffff8880ba007d00 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff88805387b448 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff814dff01 RDI: ffffed1017400f92 RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff88809bce5c00 R13: ffff888053879b00 R14: ffff888053879b00 R15: ffff88809bce5c00 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:ffff88808d23f560 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3053 RBX: dffffc0000000000 RCX: 1ffff110133835da RDX: 0000000000000000 RSI: ffff888099c1aeb0 RDI: ffff888099c1ae84 RBP: ffffed10133834c0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888099c1a600 R13: ffffffff89f18298 R14: 0000000000000000 R15: 0000000000000000 retint_kernel+0x1b/0x2d RIP: 0010:__find_get_block+0x2/0xde0 fs/buffer.c:1290 Code: ff ff 48 89 04 24 e8 bd f0 e7 ff 48 8b 04 24 e9 de fe ff ff 48 89 df e8 dc ed e7 ff e9 8b fe ff ff 0f 1f 80 00 00 00 00 41 57 <41> 56 41 55 49 89 f5 41 54 55 53 48 83 ec 30 89 54 24 08 48 89 3c RSP: 0018:ffff88808d23f638 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 1ffff11046a11825 RBX: 0000000000001669 RCX: ffffc90006544000 RDX: 0000000000001000 RSI: 0000000000000388 RDI: ffff8882399a4180 RBP: dffffc0000000000 R08: 0000000000000222 R09: 000000000000003f R10: 0000000000000007 R11: 0000000000000000 R12: ffff88823508c000 R13: ffff88808d23f808 R14: 0000000000000010 R15: 0000000000000009 sb_find_get_block include/linux/buffer_head.h:346 [inline] recently_deleted fs/ext4/ialloc.c:684 [inline] find_inode_bit+0x213/0x520 fs/ext4/ialloc.c:724 __ext4_new_inode+0x160c/0x5a20 fs/ext4/ialloc.c:916 ext4_create+0x29e/0x5f0 fs/ext4/namei.c:2517 lookup_open+0x893/0x1a20 fs/namei.c:3235 do_last fs/namei.c:3327 [inline] path_openat+0x1094/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f869e45e0c9 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:00007f869c9d0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f869e57df80 RCX: 00007f869e45e0c9 RDX: 00000000000026e1 RSI: 0000000020000280 RDI: ffffffffffffff9c RBP: 00007f869e4b9ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeee64c5af R14: 00007f869c9d0300 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