device vlan2 entered promiscuous mode
device veth0_to_bond entered promiscuous mode
=============================
WARNING: suspicious RCU usage
4.14.277-syzkaller #0 Not tainted
-----------------------------
net/netfilter/nf_queue.c:244 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
device veth0_to_bond left promiscuous mode
rcu_scheduler_active = 2, debug_locks = 1
4 locks held by syz-executor.5/12385:
#0: (sb_writers#3){.+.+}, at: [<ffffffff818dfcda>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#3){.+.+}, at: [<ffffffff818dfcda>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [<ffffffff818a75aa>] inode_lock_nested include/linux/fs.h:754 [inline]
#1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [<ffffffff818a75aa>] filename_create+0x12a/0x3f0 fs/namei.c:3674
#2: (rcu_callback){....}, at: [<ffffffff8146dbde>] __rcu_reclaim kernel/rcu/rcu.h:185 [inline]
#2: (rcu_callback){....}, at: [<ffffffff8146dbde>] rcu_do_batch kernel/rcu/tree.c:2699 [inline]
#2: (rcu_callback){....}, at: [<ffffffff8146dbde>] invoke_rcu_callbacks kernel/rcu/tree.c:2962 [inline]
#2: (rcu_callback){....}, at: [<ffffffff8146dbde>] __rcu_process_callbacks kernel/rcu/tree.c:2929 [inline]
#2: (rcu_callback){....}, at: [<ffffffff8146dbde>] rcu_process_callbacks+0x84e/0x1180 kernel/rcu/tree.c:2946
#3: (&(&inst->lock)->rlock){+.-.}, at: [<ffffffff85e4da8f>] spin_lock_bh include/linux/spinlock.h:322 [inline]
#3: (&(&inst->lock)->rlock){+.-.}, at: [<ffffffff85e4da8f>] nfqnl_flush+0x2f/0x2a0 net/netfilter/nfnetlink_queue.c:232
stack backtrace:
CPU: 1 PID: 12385 Comm: syz-executor.5 Not tainted 4.14.277-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
ip_tables: iptables: counters copy to user failed while replacing table
__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_ip arch/x86/kernel/unwind_orc.c:27 [inline]
RIP: 0010:__orc_find+0x83/0xf0 arch/x86/kernel/unwind_orc.c:49
RSP: 0018:ffff8880656f78e0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: fffffffff7704ab8 RBX: ffffffff8a1a29f0 RCX: ffffffff818a75d5
RDX: 0000000000000000 RSI: ffffffff8a73a324 RDI: ffffffff8a1a29f0
ip_tables: iptables: counters copy to user failed while replacing table
RBP: ffffffff8a1a29f0 R08: ffffffff8a73a324 R09: ffffffff8a73a32a
R10: 0000000000021398 R11: 0000000000066071 R12: ffffffff8a1a29f0
R13: ffffffff8a1a29f0 R14: ffffffff8a1a29f0 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
XFS (loop0): Invalid superblock magic number
ip_tables: iptables: counters copy to user failed while replacing table
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
__d_alloc+0x2a/0xa20 fs/dcache.c:1623
d_alloc+0x46/0x240 fs/dcache.c:1710
__lookup_hash fs/namei.c:1571 [inline]
__lookup_hash+0x101/0x270 fs/namei.c:1563
filename_create+0x156/0x3f0 fs/namei.c:3675
user_path_create fs/namei.c:3732 [inline]
SYSC_symlinkat fs/namei.c:4176 [inline]
SyS_symlinkat+0xb3/0x240 fs/namei.c:4163
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f8235aec9f7
RSP: 002b:00007fff6e90ce68 EFLAGS: 00000202 ORIG_RAX: 000000000000010a
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8235aec9f7
RDX: 00007f8235b47139 RSI: 00000000ffffff9c RDI: 00007fff6e90cf30
RBP: 0000000000000000 R08: 0000000000000620 R09: 00007fff6e90cd00
R10: 00007fff6e90cbb7 R11: 0000000000000202 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007fff6e90cf30
XFS (loop0): Invalid superblock magic number
device vlan2 entered promiscuous mode
device veth0_to_bond entered promiscuous mode
device veth0_to_bond left promiscuous mode
ip_tables: iptables: counters copy to user failed while replacing table
ip_tables: iptables: counters copy to user failed while replacing table
ip_tables: iptables: counters copy to user failed while replacing table
EXT4-fs (loop4): couldn't mount RDWR because of unsupported optional features (8000)
EXT4-fs (loop5): mounted filesystem without journal. Opts: ,errors=continue
FAT-fs (loop4): bogus number of reserved sectors
FAT-fs (loop4): Can't find a valid FAT filesystem
FAT-fs (loop4): bogus number of reserved sectors
FAT-fs (loop4): Can't find a valid FAT filesystem
FAT-fs (loop5): bogus number of reserved sectors
FAT-fs (loop5): Can't find a valid FAT filesystem
FAT-fs (loop5): bogus number of reserved sectors
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop4): bogus number of reserved sectors
FAT-fs (loop5): Can't find a valid FAT filesystem
FAT-fs (loop3): Can't find a valid FAT filesystem
FAT-fs (loop4): Can't find a valid FAT filesystem
FAT-fs (loop2): bogus number of reserved sectors
FAT-fs (loop2): Can't find a valid FAT filesystem
FAT-fs (loop1): bogus number of reserved sectors
FAT-fs (loop1): Can't find a valid FAT filesystem
FAT-fs (loop5): bogus number of reserved sectors
FAT-fs (loop5): Can't find a valid FAT filesystem
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop3): Can't find a valid FAT filesystem
FAT-fs (loop4): bogus number of reserved sectors
FAT-fs (loop4): Can't find a valid FAT filesystem
audit: type=1800 audit(1652293620.267:36): pid=12697 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.5" name="file0" dev="loop5" ino=17 res=0
audit: type=1800 audit(1652293620.337:37): pid=12712 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.5" name="file0" dev="loop5" ino=18 res=0
FAT-fs (loop2): bogus number of reserved sectors
FAT-fs (loop3): bogus number of reserved sectors
FAT-fs (loop2): Can't find a valid FAT filesystem
FAT-fs (loop3): Can't find a valid FAT filesystem
FAT-fs (loop1): bogus number of reserved sectors
FAT-fs (loop1): Can't find a valid FAT filesystem
audit: type=1800 audit(1652293620.497:38): pid=12729 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.5" name="file0" dev="loop5" ino=19 res=0
audit: type=1800 audit(1652293620.607:39): pid=12743 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.5" name="file0" dev="loop5" ino=20 res=0
FAT-fs (loop2): bogus number of reserved sectors
FAT-fs (loop2): Can't find a valid FAT filesystem
IPVS: ftp: loaded support on port[0] = 21
FAT-fs (loop1): bogus number of reserved sectors
FAT-fs (loop1): Can't find a valid FAT filesystem