netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
ip_tables: iptables: counters copy to user failed while replacing table
UDF-fs: Scanning with blocksize 512 failed
ip_tables: iptables: counters copy to user failed while replacing table
=============================
WARNING: suspicious RCU usage
4.14.281-syzkaller #0 Not tainted
-----------------------------
net/netfilter/nf_queue.c:244 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
3 locks held by syz-executor.3/9696:
#0: (&type->s_umount_key#48/1){+.+.}, at: [<ffffffff81877146>] alloc_super fs/super.c:251 [inline]
#0: (&type->s_umount_key#48/1){+.+.}, at: [<ffffffff81877146>] sget_userns+0x556/0xc10 fs/super.c:516
#1: (rcu_callback){....}, at: [<ffffffff8146dbde>] __rcu_reclaim kernel/rcu/rcu.h:185 [inline]
#1: (rcu_callback){....}, at: [<ffffffff8146dbde>] rcu_do_batch kernel/rcu/tree.c:2699 [inline]
#1: (rcu_callback){....}, at: [<ffffffff8146dbde>] invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
#1: (rcu_callback){....}, at: [<ffffffff8146dbde>] __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
#1: (rcu_callback){....}, at: [<ffffffff8146dbde>] rcu_process_callbacks+0x84e/0x1180 kernel/rcu/tree.c:2946
#2: (&(&inst->lock)->rlock){+.-.}, at: [<ffffffff85e4ca9f>] spin_lock_bh include/linux/spinlock.h:322 [inline]
#2: (&(&inst->lock)->rlock){+.-.}, at: [<ffffffff85e4ca9f>] nfqnl_flush+0x2f/0x2a0 net/netfilter/nfnetlink_queue.c:232
stack backtrace:
CPU: 1 PID: 9696 Comm: syz-executor.3 Not tainted 4.14.281-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+0x1b2/0x281 lib/dump_stack.c:58
nf_reinject+0x56e/0x700 net/netfilter/nf_queue.c:244
nfqnl_flush+0x1ab/0x2a0 net/netfilter/nfnetlink_queue.c:237
instance_destroy_rcu+0x19/0x30 net/netfilter/nfnetlink_queue.c:171
__rcu_reclaim kernel/rcu/rcu.h:195 [inline]
rcu_do_batch kernel/rcu/tree.c:2699 [inline]
invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
__rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
rcu_process_callbacks+0x780/0x1180 kernel/rcu/tree.c:2946
__do_softirq+0x24d/0x9ff 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:638 [inline]
smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1106
apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793
</IRQ>
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:109 [inline]
RIP: 0010:unwind_next_frame+0x4dc/0x17d0 arch/x86/kernel/unwind_orc.c:348
RSP: 0018:ffff88809f9d7290 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000003 RBX: 1ffff11013f3ae59 RCX: ffffffff87400089
RDX: 0000000000064000 RSI: 0000000000064000 RDI: ffffffff8b002980
RBP: 0000000000000001 R08: 0000000000064001 R09: 0000000000000001
R10: 00000000001467c1 R11: 0000000000066071 R12: ffff88809f9d7385
R13: ffff88809f9d7388 R14: ffff88809f9d73a0 R15: ffff88809f9d7350
__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
mempool_alloc+0x10e/0x2d0 mm/mempool.c:330
bio_alloc_bioset+0x41b/0x830 block/bio.c:486
bio_alloc include/linux/bio.h:422 [inline]
submit_bh_wbc+0xf5/0x6f0 fs/buffer.c:3121
submit_bh fs/buffer.c:3153 [inline]
__bread_slow fs/buffer.c:1238 [inline]
__bread_gfp+0x11c/0x2e0 fs/buffer.c:1431
sb_bread include/linux/buffer_head.h:309 [inline]
udf_tread+0xe1/0x130 fs/udf/misc.c:44
udf_read_tagged+0x40/0x4c0 fs/udf/misc.c:219
udf_check_anchor_block+0x18a/0x590 fs/udf/super.c:1823
udf_scan_anchors+0x350/0x530 fs/udf/super.c:1893
udf_find_anchor fs/udf/super.c:1920 [inline]
udf_load_vrs+0x5a1/0xa90 fs/udf/super.c:1985
udf_fill_super+0x715/0x1660 fs/udf/super.c:2177
mount_bdev+0x2b3/0x360 fs/super.c:1134
mount_fs+0x92/0x2a0 fs/super.c:1237
vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046
vfs_kern_mount fs/namespace.c:1036 [inline]
do_new_mount fs/namespace.c:2572 [inline]
do_mount+0xe65/0x2a30 fs/namespace.c:2905
SYSC_mount fs/namespace.c:3121 [inline]
SyS_mount+0xa8/0x120 fs/namespace.c:3098
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f017955263a
RSP: 002b:00007f0177ec5f88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000e00 RCX: 00007f017955263a
RDX: 00000000200000c0 RSI: 0000000020000700 RDI: 00007f0177ec5fe0
RBP: 00007f0177ec6020 R08: 00007f0177ec6020 R09: 00000000200000c0
R10: 0000000000000810 R11: 0000000000000206 R12: 00000000200000c0
R13: 0000000020000700 R14: 00007f0177ec5fe0 R15: 0000000020000880
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop3): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
ip_tables: iptables: counters copy to user failed while replacing table
cannot load conntrack support for proto=2
ip_tables: iptables: counters copy to user failed while replacing table
UDF-fs: error (device loop3): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
ip_tables: iptables: counters copy to user failed while replacing table
UDF-fs: error (device loop3): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: Scanning with blocksize 512 failed
cannot load conntrack support for proto=2
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
UDF-fs: error (device loop5): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: error (device loop5): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: warning (device loop3): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop5): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
cannot load conntrack support for proto=2
UDF-fs: error (device loop3): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: error (device loop3): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
cannot load conntrack support for proto=2
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: error (device loop5): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: error (device loop5): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop3): udf_load_vrs: No VRS found
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop5): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
cannot load conntrack support for proto=2
UDF-fs: error (device loop3): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: error (device loop3): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
cannot load conntrack support for proto=2
EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue
UDF-fs: warning (device loop3): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: error (device loop5): udf_process_sequence: Block 99 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: warning (device loop3): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
UDF-fs: error (device loop5): udf_process_sequence: Block 1984 of volume descriptor sequence is corrupted or we could not read it
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 1024 failed
UDF-fs: warning (device loop5): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 2048 failed
UDF-fs: warning (device loop5): udf_load_vrs: No VRS found
UDF-fs: Scanning with blocksize 4096 failed
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs: failed to create workqueue
EXT4-fs (loop0): mount failed
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
unregister_netdevice: waiting for ip6gre0 to become free. Usage count = -1
EXT4-fs: failed to create workqueue
EXT4-fs (loop0): mount failed
EXT4-fs (loop2): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue
EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue