squashfs: SQUASHFS error: Can't find a SQUASHFS superblock on loop2
batman_adv: batadv0: Interface deactivated: batadv_slave_0
batman_adv: batadv0: Interface deactivated: batadv_slave_1
------------[ cut here ]------------
WARNING: CPU: 1 PID: 10900 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: 1 PID: 10900 Comm: syz-executor.2 Not tainted 4.14.206-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__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
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:ffff8880ba507d28 EFLAGS: 00010206
RAX: ffff888052632580 RBX: 0000000000000000 RCX: 1ffff110174a0fb2
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff888059781d7c
RBP: ffff888059781240 R08: ffffffff8b9ad6b0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880597830e0
R13: ffff888096cd2900 R14: ffff888059781e40 R15: ffff888059781820
ieee80211_rx include/net/mac80211.h:4026 [inline]
ieee80211_tasklet_handler+0x90/0xf0 net/mac80211/main.c:228
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
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:27 [inline]
RIP: 0010:__orc_find+0x83/0xf0 arch/x86/kernel/unwind_orc.c:49
RSP: 0018:ffff88805263f290 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: fffffffff77ac18c RBX: ffffffff8a1a2d8c RCX: ffffffff8194ef3f
RDX: 0000000000000000 RSI: ffffffff8a73e036 RDI: ffffffff8a1a2d80
RBP: ffffffff8a1a2d80 R08: ffffffff8a73e036 R09: ffffffff8a73e066
R10: 0000000000024201 R11: 0000000000066071 R12: ffffffff8a1a2d9c
R13: ffffffff8a1a2d80 R14: ffffffff8a1a2d80 R15: dffffc0000000000
orc_find arch/x86/kernel/unwind_orc.c:118 [inline]
unwind_next_frame+0x59a/0x17d0 arch/x86/kernel/unwind_orc.c:348
__save_stack_trace+0x90/0x160 arch/x86/kernel/stacktrace.c:44
save_stack mm/kasan/kasan.c:447 [inline]
set_track mm/kasan/kasan.c:459 [inline]
kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551
slab_post_alloc_hook mm/slab.h:442 [inline]
slab_alloc mm/slab.c:3390 [inline]
kmem_cache_alloc+0x111/0x3c0 mm/slab.c:3550
kmem_cache_zalloc include/linux/slab.h:651 [inline]
alloc_buffer_head+0x20/0x110 fs/buffer.c:3429
alloc_page_buffers+0xb3/0x1f0 fs/buffer.c:874
create_empty_buffers+0x36/0x450 fs/buffer.c:1590
create_page_buffers+0x14d/0x1c0 fs/buffer.c:1707
__block_write_begin_int+0x176/0x1090 fs/buffer.c:2017
ext4_da_write_begin+0x402/0xe70 fs/ext4/inode.c:3108
generic_perform_write+0x1c9/0x420 mm/filemap.c:3055
__generic_file_write_iter+0x227/0x590 mm/filemap.c:3180
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+0x847/0x1570 fs/aio.c:1709
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007fb0a758ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 0000000000008300 RCX: 000000000045deb9
RDX: 0000000020000540 RSI: 0000000000000045 RDI: 00007fb0a7590000
RBP: 000000000118c008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bfd4
R13: 00007ffde19b566f R14: 00007fb0a758f9c0 R15: 000000000118bfd4
Kernel Offset: disabled
================================
WARNING: inconsistent lock state
4.14.206-syzkaller #0 Not tainted
--------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-R} usage.
syz-executor.2/10900 [HC0[0]:SC1[1]:HE0:SE0] takes:
((fb_notifier_list).rwsem){+++?}, at: [] __blocking_notifier_call_chain kernel/notifier.c:316 [inline]
((fb_notifier_list).rwsem){+++?}, at: [] __blocking_notifier_call_chain kernel/notifier.c:304 [inline]
((fb_notifier_list).rwsem){+++?}, at: [] blocking_notifier_call_chain kernel/notifier.c:328 [inline]
((fb_notifier_list).rwsem){+++?}, at: [] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325
{SOFTIRQ-ON-W} state was registered at:
lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
down_write+0x34/0x90 kernel/locking/rwsem.c:54
blocking_notifier_chain_register+0x65/0x310 kernel/notifier.c:226
fb_console_init+0x1a/0x1f2 drivers/video/fbdev/core/fbcon.c:3339
fbmem_init+0xe2/0x103 drivers/video/fbdev/core/fbmem.c:1930
do_one_initcall+0x88/0x202 init/main.c:826
do_initcall_level init/main.c:892 [inline]
do_initcalls init/main.c:900 [inline]
do_basic_setup init/main.c:918 [inline]
kernel_init_freeable+0x553/0x614 init/main.c:1075
kernel_init+0xd/0x167 init/main.c:1000
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
irq event stamp: 5173
hardirqs last enabled at (5172): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
hardirqs last enabled at (5172): [] _raw_spin_unlock_irqrestore+0x79/0xe0 kernel/locking/spinlock.c:192
hardirqs last disabled at (5173): [] error_entry+0x72/0xd0 arch/x86/entry/entry_64.S:1233
softirqs last enabled at (4906): [] __do_softirq+0x6ab/0xa1d kernel/softirq.c:314
softirqs last disabled at (4909): [] invoke_softirq kernel/softirq.c:368 [inline]
softirqs last disabled at (4909): [] irq_exit+0x193/0x240 kernel/softirq.c:409
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock((fb_notifier_list).rwsem);
lock((fb_notifier_list).rwsem);
*** DEADLOCK ***
2 locks held by syz-executor.2/10900:
#0: (sb_writers#3){.+.+}, at: [] file_start_write include/linux/fs.h:2712 [inline]
#0: (sb_writers#3){.+.+}, at: [] aio_write+0x408/0x560 fs/aio.c:1552
#1: (&sb->s_type->i_mutex_key#10){+.+.}, at: [] inode_trylock include/linux/fs.h:739 [inline]
#1: (&sb->s_type->i_mutex_key#10){+.+.}, at: [] ext4_file_write_iter+0x1cc/0xd20 fs/ext4/file.c:236
stack backtrace:
CPU: 1 PID: 10900 Comm: syz-executor.2 Not tainted 4.14.206-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x283 lib/dump_stack.c:58
print_usage_bug.cold+0x42e/0x570 kernel/locking/lockdep.c:2589
valid_state kernel/locking/lockdep.c:2602 [inline]
mark_lock_irq kernel/locking/lockdep.c:2796 [inline]
mark_lock+0xb4d/0x1050 kernel/locking/lockdep.c:3194
mark_irqflags kernel/locking/lockdep.c:3064 [inline]
__lock_acquire+0x1014/0x3f20 kernel/locking/lockdep.c:3448
lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
down_read+0x36/0x80 kernel/locking/rwsem.c:24
__blocking_notifier_call_chain kernel/notifier.c:316 [inline]
__blocking_notifier_call_chain kernel/notifier.c:304 [inline]
blocking_notifier_call_chain kernel/notifier.c:328 [inline]
blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325
fb_blank+0x94/0x190 drivers/video/fbdev/core/fbmem.c:1076
fbcon_blank+0x7ed/0xd50 drivers/video/fbdev/core/fbcon.c:2196
do_unblank_screen+0x1fd/0x4e0 drivers/tty/vt/vt.c:3937
panic+0x290/0x42d kernel/panic.c:236
__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
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:ffff8880ba507d28 EFLAGS: 00010206
RAX: ffff888052632580 RBX: 0000000000000000 RCX: 1ffff110174a0fb2
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff888059781d7c
RBP: ffff888059781240 R08: ffffffff8b9ad6b0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880597830e0
R13: ffff888096cd2900 R14: ffff888059781e40 R15: ffff888059781820
ieee80211_rx include/net/mac80211.h:4026 [inline]
ieee80211_tasklet_handler+0x90/0xf0 net/mac80211/main.c:228
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
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:27 [inline]
RIP: 0010:__orc_find+0x83/0xf0 arch/x86/kernel/unwind_orc.c:49
RSP: 0018:ffff88805263f290 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: fffffffff77ac18c RBX: ffffffff8a1a2d8c RCX: ffffffff8194ef3f
RDX: 0000000000000000 RSI: ffffffff8a73e036 RDI: ffffffff8a1a2d80
RBP: ffffffff8a1a2d80 R08: ffffffff8a73e036 R09: ffffffff8a73e066
R10: 0000000000024201 R11: 0000000000066071 R12: ffffffff8a1a2d9c
R13: ffffffff8a1a2d80 R14: ffffffff8a1a2d80 R15: dffffc0000000000
orc_find arch/x86/kernel/unwind_orc.c:118 [inline]
unwind_next_frame+0x59a/0x17d0 arch/x86/kernel/unwind_orc.c:348
__save_stack_trace+0x90/0x160 arch/x86/kernel/stacktrace.c:44
save_stack mm/kasan/kasan.c:447 [inline]
set_track mm/kasan/kasan.c:459 [inline]
kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551
slab_post_alloc_hook mm/slab.h:442 [inline]
slab_alloc mm/slab.c:3390 [inline]
kmem_cache_alloc+0x111/0x3c0 mm/slab.c:3550
kmem_cache_zalloc include/linux/slab.h:651 [inline]
alloc_buffer_head+0x20/0x110 fs/buffer.c:3429
alloc_page_buffers+0xb3/0x1f0 fs/buffer.c:874
create_empty_buffers+0x36/0x450 fs/buffer.c:1590
create_page_buffers+0x14d/0x1c0 fs/buffer.c:1707
__block_write_begin_int+0x176/0x1090 fs/buffer.c:2017
ext4_da_write_begin+0x402/0xe70 fs/ext4/inode.c:3108
generic_perform_write+0x1c9/0x420 mm/filemap.c:3055
__generic_file_write_iter+0x227/0x590 mm/filemap.c:3180
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+0x847/0x1570 fs/aio.c:1709
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45deb9
RSP: 002b:00007fb0a758ec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
RAX: ffffffffffffffda RBX: 0000000000008300 RCX: 000000000045deb9
RDX: 0000000020000540 RSI: 0000000000000045 RDI: 00007fb0a7590000
RBP: 000000000118c008 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bfd4
R13: 00007ffde19b566f R14: 00007fb0a758f9c0 R15: 000000000118bfd4
Rebooting in 86400 seconds..