ip6_tables: ip6tables: counters copy to user failed while replacing table
sit0: caps=(0x00000000401d7869, 0x00000000401d7869) len=2960 data_len=0 gso_size=65535 gso_type=16384 ip_summed=3
------------[ cut here ]------------
WARNING: CPU: 0 PID: 8009 at net/core/dev.c:2609 skb_warn_bad_offload.cold+0x1d1/0x44d net/core/dev.c:2609
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 8009 Comm: syz-executor.2 Not tainted 4.14.277-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+0x1b2/0x281 lib/dump_stack.c:58
panic+0x1f9/0x42d kernel/panic.c:183
__warn.cold+0x20/0x44 kernel/panic.c:547
report_bug+0x208/0x250 lib/bug.c:183
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:skb_warn_bad_offload.cold+0x1d1/0x44d net/core/dev.c:2609
RSP: 0018:ffff8880ba407148 EFLAGS: 00010286
RAX: 0000000000000071 RBX: ffff88809f686de8 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffffffff878bc600 RDI: ffffed1017480e1f
RBP: ffff88809c5004d0 R08: 0000000000000071 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809c500400
R13: 000000000000ffff R14: 0000000000000000 R15: 0000000000000b90
skb_checksum_help+0x627/0x7d0 net/core/dev.c:2630
checksum_tg+0x52/0x70 net/netfilter/xt_CHECKSUM.c:29
ip6t_do_table+0x9f1/0x1720 net/ipv6/netfilter/ip6_tables.c:375
ip6table_mangle_hook+0xdd/0x6a0 net/ipv6/netfilter/ip6table_mangle.c:86
nf_hook_entry_hookfn include/linux/netfilter.h:108 [inline]
nf_hook_slow+0xb0/0x1a0 net/netfilter/core.c:468
nf_hook include/linux/netfilter.h:205 [inline]
NF_HOOK_COND include/linux/netfilter.h:238 [inline]
ip6_output+0x392/0x660 net/ipv6/ip6_output.c:209
dst_output include/net/dst.h:470 [inline]
NF_HOOK include/linux/netfilter.h:250 [inline]
ip6_xmit+0xcc6/0x1f00 net/ipv6/ip6_output.c:313
sctp_v6_xmit+0x36e/0x590 net/sctp/ipv6.c:224
sctp_packet_transmit+0x1c27/0x3000 net/sctp/output.c:637
sctp_outq_flush_rtx net/sctp/outqueue.c:703 [inline]
sctp_outq_flush+0x1286/0x30a0 net/sctp/outqueue.c:1002
sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1787 [inline]
sctp_side_effects net/sctp/sm_sideeffect.c:1179 [inline]
sctp_do_sm+0x6b4/0x4c70 net/sctp/sm_sideeffect.c:1150
sctp_generate_heartbeat_event+0x273/0x440 net/sctp/sm_sideeffect.c:391
call_timer_fn+0x14a/0x650 kernel/time/timer.c:1280
expire_timers+0x232/0x4d0 kernel/time/timer.c:1319
__run_timers kernel/time/timer.c:1637 [inline]
run_timer_softirq+0x1d5/0x5a0 kernel/time/timer.c:1650
__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
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:200
RSP: 0018:ffff8880b4667b68 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: 1ffffffff11e1313 RBX: ffff8880b46b80c0 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880b46b8944
RBP: ffff8880ba434380 R08: ffffffff8b9caa48 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ba434380
R13: ffff8880953da080 R14: 0000000000000000 R15: ffff8880ba434cd0
finish_lock_switch kernel/sched/sched.h:1346 [inline]
finish_task_switch+0x178/0x610 kernel/sched/core.c:2678
context_switch kernel/sched/core.c:2814 [inline]
__schedule+0x893/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
freezable_schedule include/linux/freezer.h:172 [inline]
do_nanosleep+0x229/0x600 kernel/time/hrtimer.c:1483
hrtimer_nanosleep+0x1da/0x4b0 kernel/time/hrtimer.c:1537
common_nsleep+0x23/0x30 kernel/time/posix-timers.c:1206
SYSC_clock_nanosleep kernel/time/posix-timers.c:1233 [inline]
SyS_clock_nanosleep+0x1ff/0x2d0 kernel/time/posix-timers.c:1211
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f6e720d9e11
RSP: 002b:00007ffd50d01170 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 00000000000001a1 RCX: 00007f6e720d9e11
RDX: 00007ffd50d011b0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd50d0123c R08: 0000000000000000 R09: 0000003b86ce89f1
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 00000000000376cb R14: 0000000000000003 R15: 00007ffd50d012a0
Kernel Offset: disabled
================================
WARNING: inconsistent lock state
4.14.277-syzkaller #0 Not tainted
--------------------------------
inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-R} usage.
syz-executor.2/8009 [HC0[0]:SC1[3]: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:3342
fbmem_init+0xe2/0x103 drivers/video/fbdev/core/fbmem.c:1941
do_one_initcall+0x88/0x210 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+0x565/0x626 init/main.c:1077
kernel_init+0xd/0x162 init/main.c:1002
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
irq event stamp: 1684951
hardirqs last enabled at (1684950): [] console_unlock+0xb43/0xf20 kernel/printk/printk.c:2442
hardirqs last disabled at (1684951): [] error_entry+0x72/0xd0 arch/x86/entry/entry_64.S:1233
softirqs last enabled at (1682934): [] tcp_close+0x7e6/0xed0 net/ipv4/tcp.c:2307
softirqs last disabled at (1684855): [] invoke_softirq kernel/softirq.c:368 [inline]
softirqs last disabled at (1684855): [] 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 ***
4 locks held by syz-executor.2/8009:
#0: (((&peer->hb_timer))){+.-.}, at: [] lockdep_copy_map include/linux/lockdep.h:174 [inline]
#0: (((&peer->hb_timer))){+.-.}, at: [] call_timer_fn+0xb8/0x650 kernel/time/timer.c:1270
#1: (slock-AF_INET6){+.-.}, at: [] spin_lock include/linux/spinlock.h:317 [inline]
#1: (slock-AF_INET6){+.-.}, at: [] sctp_generate_heartbeat_event+0x96/0x440 net/sctp/sm_sideeffect.c:371
#2: (rcu_read_lock){....}, at: [] sctp_v6_xmit+0x256/0x590 net/sctp/ipv6.c:221
#3: (rcu_read_lock){....}, at: [] skb_dst include/linux/skbuff.h:883 [inline]
#3: (rcu_read_lock){....}, at: [] ip6_output+0x2b3/0x660 net/ipv6/ip6_output.c:198
stack backtrace:
CPU: 0 PID: 8009 Comm: syz-executor.2 Not tainted 4.14.277-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+0x1b2/0x281 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:1087
fbcon_blank+0x7ed/0xd50 drivers/video/fbdev/core/fbcon.c:2199
do_unblank_screen+0x1fd/0x4e0 drivers/tty/vt/vt.c:3954
panic+0x290/0x42d kernel/panic.c:236
__warn.cold+0x20/0x44 kernel/panic.c:547
report_bug+0x208/0x250 lib/bug.c:183
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:skb_warn_bad_offload.cold+0x1d1/0x44d net/core/dev.c:2609
RSP: 0018:ffff8880ba407148 EFLAGS: 00010286
RAX: 0000000000000071 RBX: ffff88809f686de8 RCX: 0000000000000000
RDX: 0000000000000100 RSI: ffffffff878bc600 RDI: ffffed1017480e1f
RBP: ffff88809c5004d0 R08: 0000000000000071 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809c500400
R13: 000000000000ffff R14: 0000000000000000 R15: 0000000000000b90
skb_checksum_help+0x627/0x7d0 net/core/dev.c:2630
checksum_tg+0x52/0x70 net/netfilter/xt_CHECKSUM.c:29
ip6t_do_table+0x9f1/0x1720 net/ipv6/netfilter/ip6_tables.c:375
ip6table_mangle_hook+0xdd/0x6a0 net/ipv6/netfilter/ip6table_mangle.c:86
nf_hook_entry_hookfn include/linux/netfilter.h:108 [inline]
nf_hook_slow+0xb0/0x1a0 net/netfilter/core.c:468
nf_hook include/linux/netfilter.h:205 [inline]
NF_HOOK_COND include/linux/netfilter.h:238 [inline]
ip6_output+0x392/0x660 net/ipv6/ip6_output.c:209
dst_output include/net/dst.h:470 [inline]
NF_HOOK include/linux/netfilter.h:250 [inline]
ip6_xmit+0xcc6/0x1f00 net/ipv6/ip6_output.c:313
sctp_v6_xmit+0x36e/0x590 net/sctp/ipv6.c:224
sctp_packet_transmit+0x1c27/0x3000 net/sctp/output.c:637
sctp_outq_flush_rtx net/sctp/outqueue.c:703 [inline]
sctp_outq_flush+0x1286/0x30a0 net/sctp/outqueue.c:1002
sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1787 [inline]
sctp_side_effects net/sctp/sm_sideeffect.c:1179 [inline]
sctp_do_sm+0x6b4/0x4c70 net/sctp/sm_sideeffect.c:1150
sctp_generate_heartbeat_event+0x273/0x440 net/sctp/sm_sideeffect.c:391
call_timer_fn+0x14a/0x650 kernel/time/timer.c:1280
expire_timers+0x232/0x4d0 kernel/time/timer.c:1319
__run_timers kernel/time/timer.c:1637 [inline]
run_timer_softirq+0x1d5/0x5a0 kernel/time/timer.c:1650
__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
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:200
RSP: 0018:ffff8880b4667b68 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: 1ffffffff11e1313 RBX: ffff8880b46b80c0 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880b46b8944
RBP: ffff8880ba434380 R08: ffffffff8b9caa48 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ba434380
R13: ffff8880953da080 R14: 0000000000000000 R15: ffff8880ba434cd0
finish_lock_switch kernel/sched/sched.h:1346 [inline]
finish_task_switch+0x178/0x610 kernel/sched/core.c:2678
context_switch kernel/sched/core.c:2814 [inline]
__schedule+0x893/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
freezable_schedule include/linux/freezer.h:172 [inline]
do_nanosleep+0x229/0x600 kernel/time/hrtimer.c:1483
hrtimer_nanosleep+0x1da/0x4b0 kernel/time/hrtimer.c:1537
common_nsleep+0x23/0x30 kernel/time/posix-timers.c:1206
SYSC_clock_nanosleep kernel/time/posix-timers.c:1233 [inline]
SyS_clock_nanosleep+0x1ff/0x2d0 kernel/time/posix-timers.c:1211
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f6e720d9e11
RSP: 002b:00007ffd50d01170 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: ffffffffffffffda RBX: 00000000000001a1 RCX: 00007f6e720d9e11
RDX: 00007ffd50d011b0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffd50d0123c R08: 0000000000000000 R09: 0000003b86ce89f1
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 00000000000376cb R14: 0000000000000003 R15: 00007ffd50d012a0
Rebooting in 86400 seconds..