FAT-fs (loop3): invalid media value (0xce)
FAT-fs (loop3): Can't find a valid FAT filesystem
batman_adv: batadv0: Interface deactivated: batadv_slave_1
------------[ cut here ]------------
ieee80211 phy10: mac80211_hwsim_bss_info_changed(changed=0xa00 vif->addr=02:00:00:00:0a:00)
WARNING: CPU: 0 PID: 9910 at net/mac80211/rx.c:4321 ieee80211_rx_napi+0x177a/0x1e40 net/mac80211/rx.c:4321
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 9910 Comm: syz-executor.3 Not tainted 4.14.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 panic+0x1f9/0x42d kernel/panic.c:183
 __warn.cold+0x20/0x4b kernel/panic.c:547
 report_bug+0x208/0x249 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
ieee80211 phy10:   BCN EN: 0 (BI=100)
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964
RIP: 0010:ieee80211_rx_napi+0x177a/0x1e40 net/mac80211/rx.c:4321
RSP: 0018:ffff8880aea07d28 EFLAGS: 00010206
RAX: ffff88808f8983c0 RBX: 0000000000000000 RCX: 1ffff11015d40fb2
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff88804e0b1ffc
RBP: ffff88804e0b14c0 R08: ffffffff8a0a37d0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88804e0b3360
R13: ffff88808dd04b80 R14: ffff88804e0b20c0 R15: ffff88804e0b1aa0
ieee80211 phy10:   beaconing vifs remaining: 0
 ieee80211_rx include/net/mac80211.h:4026 [inline]
 ieee80211_tasklet_handler+0x90/0xf0 net/mac80211/main.c:228
ieee80211 phy10: mac80211_hwsim_bss_info_changed(changed=0x4000 vif->addr=02:00:00:00:0a:00)
 tasklet_action+0x195/0x340 kernel/softirq.c:513
 __do_softirq+0x254/0xa1d kernel/softirq.c:288
 invoke_softirq kernel/softirq.c:368 [inline]
 irq_exit+0x193/0x240 kernel/softirq.c:409
 exiting_irq arch/x86/include/asm/apic.h:648 [inline]
 smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102
 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793
 </IRQ>
ieee80211 phy10: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=0 ps=0 smps=static)
RIP: 0010:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3611
RSP: 0018:ffff8880448cf5a0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: 1ffffffff0fa2d23 RBX: dffffc0000000000 RCX: 1ffff11011f13197
RDX: 0000000000000000 RSI: ffff88808f898c98 RDI: ffff88808f898c44
RBP: ffffed1011f13078 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808f8983c0
R13: ffffffff87d16918 R14: 0000000000000000 R15: 0000000000000000
 retint_kernel+0x1b/0x2d
RIP: 0010:set_bit arch/x86/include/asm/bitops.h:76 [inline]
RIP: 0010:set_buffer_mapped include/linux/buffer_head.h:123 [inline]
RIP: 0010:map_bh include/linux/buffer_head.h:352 [inline]
RIP: 0010:ext4_da_map_blocks fs/ext4/inode.c:1906 [inline]
RIP: 0010:ext4_da_get_block_prep+0x736/0xfc0 fs/ext4/inode.c:1964
RSP: 0018:ffff8880448cf670 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: dffffc0000000000 RBX: ffff888049d8c150 RCX: ffffc9000c30e000
RDX: 1ffff11009fa6053 RSI: ffffffff81c0f9b7 RDI: 0000000000000001
RBP: ffff888215f04ec0 R08: 00000000ffffffe5 R09: 0000000000000003
R10: 0000000000000000 R11: ffff88808f8983c0 R12: 0000000000000000
R13: 1ffff11008919ed4 R14: ffffffffffff0000 R15: ffff88804fd30298
ieee80211 phy10: mac80211_hwsim_config (freq=2412(2412 - 0)/noht idle=1 ps=0 smps=static)
 __block_write_begin_int+0x35c/0x1090 fs/buffer.c:2038
 ext4_da_write_begin+0x402/0xe70 fs/ext4/inode.c:3108
 generic_perform_write+0x1c9/0x420 mm/filemap.c:3047
 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3172
 ext4_file_write_iter+0x276/0xd20 fs/ext4/file.c:270
 call_write_iter include/linux/fs.h:1778 [inline]
 aio_write+0x2ed/0x560 fs/aio.c:1553
 io_submit_one fs/aio.c:1641 [inline]
 do_io_submit+0x847/0x13e0 fs/aio.c:1709
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45e179
RSP: 002b:00007f87a2d21c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 0000000000008280 RCX: 000000000045e179
RDX: 0000000020000540 RSI: 0000000000000004 RDI: 00007f87a2d23000
RBP: 000000000118d0d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118d09c
R13: 00007ffcbcc0154f R14: 00007f87a2d229c0 R15: 000000000118d09c
Kernel Offset: disabled
Rebooting in 86400 seconds..