INFO: task syz-executor.0:19272 blocked for more than 143 seconds.
Not tainted 6.8.0-syzkaller-05204-g237bb5f7f7f5 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:24632 pid:19272 tgid:19272 ppid:11962 flags:0x00000006
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x17d3/0x4a20 kernel/sched/core.c:6736
__schedule_loop kernel/sched/core.c:6813 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6828
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2548
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
__flush_work+0xa7b/0xc90 kernel/workqueue.c:4205
__cancel_work_sync+0x330/0x6d0 kernel/workqueue.c:4304
tls_sk_proto_close+0x125/0x940 net/tls/tls_main.c:376
inet_release+0x17d/0x200 net/ipv4/af_inet.c:437
__sock_release net/socket.c:659 [inline]
sock_close+0xbc/0x240 net/socket.c:1421
__fput+0x429/0x8a0 fs/file_table.c:423
__do_sys_close fs/open.c:1557 [inline]
__se_sys_close fs/open.c:1542 [inline]
__x64_sys_close+0x7f/0x110 fs/open.c:1542
do_syscall_64+0xfb/0x240
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f882d67cc9a
RSP: 002b:00007ffdaf820620 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f882d67cc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f882d7ad980 R08: 0000001b2d320000 R09: 000000000000033d
R10: 0000000081ded81e R11: 0000000000000293 R12: 000000000012eef2
R13: ffffffffffffffff R14: 00007f882d200000 R15: 000000000012ebb1
Showing all locks held in the system:
1 lock held by khungtaskd/29:
#0: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8e131920 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
4 locks held by kworker/u8:6/1041:
2 locks held by getty/4821:
#0: ffff88802a6c80a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201
3 locks held by kworker/1:9/5365:
#0: ffff888014c78948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline]
#0: ffff888014c78948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x1770 kernel/workqueue.c:3335
#1: ffffc90003fdfd00 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline]
#1: ffffc90003fdfd00 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x1770 kernel/workqueue.c:3335
#2: ffff8880333ba4f0 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x10e/0x210 net/tls/tls_sw.c:2559
1 lock held by syz-executor.0/19272:
#0: ffff88807e25d610 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:793 [inline]
#0: ffff88807e25d610 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:658 [inline]
#0: ffff88807e25d610 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 net/socket.c:1421
2 locks held by kworker/u8:1/21211:
1 lock held by syz-executor.3/21474:
2 locks held by syz-executor.4/22574:
4 locks held by syz-executor.2/22579:
3 locks held by syz-executor.1/22584:
1 lock held by syz-executor.1/22587:
#0: ffff88805160ea58 (sk_lock-AF_INET6){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline]
#0: ffff88805160ea58 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_stream_connect+0x50/0xa0 net/ipv4/af_inet.c:749
1 lock held by syz-executor.1/22591:
#0: ffff88805160ea58 (sk_lock-AF_INET6){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline]
#0: ffff88805160ea58 (sk_lock-AF_INET6){+.+.}-{0:0}, at: inet_stream_connect+0x50/0xa0 net/ipv4/af_inet.c:749
3 locks held by syz-executor.3/22600:
#0: ffff8880b953e158 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:559
#1: ffff8880b9528988 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
#2: ffff8880b9528988 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_change+0xfd/0x280 kernel/sched/psi.c:912
4 locks held by syz-executor.3/22602:
1 lock held by cmp/22603:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.8.0-syzkaller-05204-g237bb5f7f7f5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2e0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
watchdog+0xfb0/0xff0 kernel/hung_task.c:379
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 22608 Comm: syz-executor.2 Not tainted 6.8.0-syzkaller-05204-g237bb5f7f7f5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:validate_xmit_xfrm+0x2b9/0x1260
Code: 24 e8 9b cb 88 f7 eb 1d e8 94 cb 88 f7 eb 0c e8 8d cb 88 f7 eb 0f e8 86 cb 88 f7 49 be 00 00 00 00 00 fc ff df 4c 8b 64 24 10 <4c> 8b 7c 24 18 48 c7 44 24 60 0e 36 e0 45 4b c7 04 26 00 00 00 00
RSP: 0018:ffffc90000a08180 EFLAGS: 00000246
RAX: ffffffff8a0c2301 RBX: 0000000000000000 RCX: ffff888020b05a00
RDX: 0000000080000301 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000a08290 R08: ffffffff8a0c22f7 R09: ffffffff89459144
R10: 0000000000000002 R11: 0000000000000000 R12: 1ffff9200014103c
R13: ffff8880a831957f R14: dffffc0000000000 R15: 1ffff110150632af
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fab96c3d5e8 CR3: 0000000081d16000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
validate_xmit_skb+0xa04/0x1120 net/core/dev.c:3640
validate_xmit_skb_list+0x95/0x130 net/core/dev.c:3662
sch_direct_xmit+0x11a/0x5f0 net/sched/sch_generic.c:328
__dev_xmit_skb net/core/dev.c:3760 [inline]
__dev_queue_xmit+0x1912/0x3b10 net/core/dev.c:4301
dev_queue_xmit include/linux/netdevice.h:3091 [inline]
neigh_hh_output include/net/neighbour.h:526 [inline]
neigh_output include/net/neighbour.h:540 [inline]
ip6_finish_output2+0xfc0/0x1670 net/ipv6/ip6_output.c:137
ip6_finish_output+0x41e/0x810 net/ipv6/ip6_output.c:222
NF_HOOK include/linux/netfilter.h:314 [inline]
ndisc_send_skb+0xab0/0x1380 net/ipv6/ndisc.c:509
addrconf_rs_timer+0x36e/0x660 net/ipv6/addrconf.c:4037
call_timer_fn+0x17e/0x600 kernel/time/timer.c:1792
expire_timers kernel/time/timer.c:1843 [inline]
__run_timers kernel/time/timer.c:2408 [inline]
__run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2419
run_timer_base kernel/time/timer.c:2428 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2438
__do_softirq+0x2bc/0x943 kernel/softirq.c:554
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf2/0x1c0 kernel/softirq.c:633
irq_exit_rcu+0x9/0x30 kernel/softirq.c:645
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:_compound_head include/linux/page-flags.h:249 [inline]
RIP: 0010:free_swap_cache+0x3d/0x740 mm/swap_state.c:287
Code: bd 00 00 00 00 00 fc ff df e8 cf ed a5 ff 49 8d 5d 08 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 f6 31 09 00 48 8b 1b <48> 89 de 48 83 e6 01 31 ff e8 85 f2 a5 ff 48 89 d8 48 83 e0 01 0f
RSP: 0018:ffffc900046e76f8 EFLAGS: 00000246
RAX: 1ffffd40003b0799 RBX: ffffea0001da8148 RCX: ffff888020b05a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0001d83cc0
RBP: dffffc0000000000 R08: ffffffff81ef0360 R09: 1ffffd40002f38b8
R10: dffffc0000000000 R11: fffff940002f38b9 R12: dffffc0000000000
R13: ffffea0001d83cc0 R14: 0000000000000144 R15: 0000000000000a18
free_pages_and_swap_cache+0x66/0xa0 mm/swap_state.c:315
tlb_batch_pages_flush mm/mmu_gather.c:98 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:293 [inline]
tlb_flush_mmu+0x34d/0x4e0 mm/mmu_gather.c:300
tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:392
exit_mmap+0x4b6/0xd40 mm/mmap.c:3300
__mmput+0x115/0x3c0 kernel/fork.c:1345
exit_mm+0x220/0x310 kernel/exit.c:569
do_exit+0x99e/0x27e0 kernel/exit.c:865
do_group_exit+0x207/0x2c0 kernel/exit.c:1027
get_signal+0x176e/0x1850 kernel/signal.c:2907
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310
exit_to_user_mode_loop kernel/entry/common.c:105 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline]
syscall_exit_to_user_mode+0xc9/0x360 kernel/entry/common.c:212
do_syscall_64+0x10a/0x240 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x6d/0x75
RIP: 0033:0x7f412147dda9
Code: Unable to access opcode bytes at 0x7f412147dd7f.
RSP: 002b:00007f4122146178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f41215ac128 RCX: 00007f412147dda9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f41215ac128
RBP: 00007f41215ac120 R08: 00007f41221466c0 R09: 00007f41221466c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41215ac12c
R13: 000000000000000b R14: 00007ffedb377800 R15: 00007ffedb3778e8