INFO: task syz-executor.4:23932 blocked for more than 143 seconds.
Not tainted 5.19.0-rc4-syzkaller-00754-g04740c53cac4 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:26544 pid:23932 ppid: 10894 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5146 [inline]
__schedule+0xa00/0x4b50 kernel/sched/core.c:6458
schedule+0xd2/0x1f0 kernel/sched/core.c:6530
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6589
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747
tls_sw_sendpage+0x7f/0xe0 net/tls/tls_sw.c:1288
inet_sendpage+0xd0/0x140 net/ipv4/af_inet.c:833
kernel_sendpage.part.0+0x1ff/0x7b0 net/socket.c:3564
kernel_sendpage net/socket.c:3561 [inline]
sock_sendpage+0xdf/0x140 net/socket.c:1054
pipe_to_sendpage+0x2ad/0x380 fs/splice.c:364
splice_from_pipe_feed fs/splice.c:418 [inline]
__splice_from_pipe+0x43e/0x8a0 fs/splice.c:562
splice_from_pipe fs/splice.c:597 [inline]
generic_splice_sendpage+0xd4/0x140 fs/splice.c:746
do_splice_from fs/splice.c:767 [inline]
direct_splice_actor+0x110/0x180 fs/splice.c:936
splice_direct_to_actor+0x34b/0x8c0 fs/splice.c:891
do_splice_direct+0x1a7/0x270 fs/splice.c:979
do_sendfile+0xae0/0x1240 fs/read_write.c:1262
__do_sys_sendfile64 fs/read_write.c:1327 [inline]
__se_sys_sendfile64 fs/read_write.c:1313 [inline]
__x64_sys_sendfile64+0x1cc/0x210 fs/read_write.c:1313
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7eff7ca89109
RSP: 002b:00007eff7dc6c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007eff7cb9c030 RCX: 00007eff7ca89109
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007eff7cae305d R08: 0000000000000000 R09: 0000000000000000
R10: 00000000f2090000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd5c0c178f R14: 00007eff7dc6c300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/28:
#0: ffffffff8bd86660 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6491
1 lock held by klogd/2965:
1 lock held by dhcpcd/3187:
2 locks held by getty/3291:
#0: ffff88814a30f098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002d162e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 drivers/tty/n_tty.c:2124
3 locks held by kworker/1:18/10004:
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline]
#0: ffff888011864d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260
#1: ffffc9001445fda8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264
#2: ffff88804b0e84d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 net/tls/tls_sw.c:2223
2 locks held by kworker/u4:0/16975:
1 lock held by syz-executor.4/23932:
#0: ffff88804b0e84d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tls_sw_sendpage+0x7f/0xe0 net/tls/tls_sw.c:1288
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.19.0-rc4-syzkaller-00754-g04740c53cac4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:369
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 21 Comm: ksoftirqd/1 Not tainted 5.19.0-rc4-syzkaller-00754-g04740c53cac4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
RIP: 0010:stack_access_ok+0xe1/0x1d0 arch/x86/kernel/unwind_orc.c:347
Code: c1 ea 03 80 3c 02 00 0f 85 e1 00 00 00 48 8b 73 28 48 89 da 48 89 ef e8 ed f9 f5 ff 85 c0 74 0f 31 c0 48 83 c4 08 5b 5d 41 5c <41> 5d 41 5e c3 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa
RSP: 0018:ffffc900001b68d0 EFLAGS: 00000286
RAX: ffffc900001b8001 RBX: 0000000000000001 RCX: 0000000000000001
RDX: ffffc900001b6e01 RSI: ffffc900001b6ee0 RDI: ffffc900001b6968
RBP: ffffc900001b69a0 R08: ffffffff8ebeae42 R09: ffffc900001b698c
R10: fffff52000036d36 R11: ffffc900001b6ee0 R12: ffffc900001b698d
R13: ffffc900001b0000 R14: ffffc900001b6ee8 R15: ffffffff8ebeae46
FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff20a194a70 CR3: 000000001841e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
deref_stack_reg arch/x86/kernel/unwind_orc.c:352 [inline]
unwind_next_frame+0xc3f/0x1cc0 arch/x86/kernel/unwind_orc.c:534
arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
kasan_set_track+0x21/0x30 mm/kasan/common.c:45
kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
____kasan_slab_free mm/kasan/common.c:366 [inline]
____kasan_slab_free+0x166/0x1a0 mm/kasan/common.c:328
kasan_slab_free include/linux/kasan.h:200 [inline]
slab_free_hook mm/slub.c:1754 [inline]
slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1780
slab_free mm/slub.c:3536 [inline]
kmem_cache_free+0xdd/0x5a0 mm/slub.c:3553
__skb_ext_put+0x127/0x2e0 net/core/skbuff.c:6480
__skb_ext_del+0xef/0x360 net/core/skbuff.c:6447
skb_ext_del include/linux/skbuff.h:4578 [inline]
nf_bridge_info_free net/bridge/br_netfilter_hooks.c:147 [inline]
br_nf_dev_queue_xmit+0x728/0x1f00 net/bridge/br_netfilter_hooks.c:806
NF_HOOK include/linux/netfilter.h:307 [inline]
NF_HOOK include/linux/netfilter.h:301 [inline]
br_nf_post_routing+0xf91/0x1c20 net/bridge/br_netfilter_hooks.c:853
nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
nf_hook_slow+0xc5/0x1f0 net/netfilter/core.c:620
nf_hook+0x3d4/0x680 include/linux/netfilter.h:262
NF_HOOK include/linux/netfilter.h:305 [inline]
br_forward_finish+0xd4/0x130 net/bridge/br_forward.c:66
br_nf_hook_thresh+0x2f8/0x3d0 net/bridge/br_netfilter_hooks.c:1039
br_nf_forward_finish+0x7d6/0xc80 net/bridge/br_netfilter_hooks.c:564
NF_HOOK include/linux/netfilter.h:307 [inline]
NF_HOOK include/linux/netfilter.h:301 [inline]
br_nf_forward_ip net/bridge/br_netfilter_hooks.c:634 [inline]
br_nf_forward_ip+0x10ae/0x1d90 net/bridge/br_netfilter_hooks.c:575
nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
nf_hook_slow+0xc5/0x1f0 net/netfilter/core.c:620
nf_hook+0x3d4/0x680 include/linux/netfilter.h:262
NF_HOOK include/linux/netfilter.h:305 [inline]
__br_forward+0x19a/0x580 net/bridge/br_forward.c:115
deliver_clone net/bridge/br_forward.c:131 [inline]
br_flood+0x367/0x460 net/bridge/br_forward.c:240
br_handle_frame_finish+0x1000/0x1af0 net/bridge/br_input.c:193
br_nf_hook_thresh+0x2f8/0x3d0 net/bridge/br_netfilter_hooks.c:1039
br_nf_pre_routing_finish+0x921/0x1af0 net/bridge/br_netfilter_hooks.c:422
NF_HOOK include/linux/netfilter.h:307 [inline]
NF_HOOK include/linux/netfilter.h:301 [inline]
br_nf_pre_routing+0xb0d/0x1fd0 net/bridge/br_netfilter_hooks.c:531
nf_hook_entry_hookfn include/linux/netfilter.h:142 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:255 [inline]
br_handle_frame+0x8fe/0x12d0 net/bridge/br_input.c:399
__netif_receive_skb_core+0xa13/0x3920 net/core/dev.c:5374
__netif_receive_skb_one_core+0xae/0x180 net/core/dev.c:5478
__netif_receive_skb+0x24/0x1b0 net/core/dev.c:5594
process_backlog+0x3a0/0x7c0 net/core/dev.c:5922
__napi_poll+0xb3/0x6e0 net/core/dev.c:6506
napi_poll net/core/dev.c:6573 [inline]
net_rx_action+0x9c1/0xd90 net/core/dev.c:6684
__do_softirq+0x29b/0x9c2 kernel/softirq.c:571
run_ksoftirqd kernel/softirq.c:934 [inline]
run_ksoftirqd+0x2d/0x60 kernel/softirq.c:926
smpboot_thread_fn+0x645/0x9c0 kernel/smpboot.c:164
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302
----------------
Code disassembly (best guess):
0: c1 ea 03 shr $0x3,%edx
3: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
7: 0f 85 e1 00 00 00 jne 0xee
d: 48 8b 73 28 mov 0x28(%rbx),%rsi
11: 48 89 da mov %rbx,%rdx
14: 48 89 ef mov %rbp,%rdi
17: e8 ed f9 f5 ff callq 0xfff5fa09
1c: 85 c0 test %eax,%eax
1e: 74 0f je 0x2f
20: 31 c0 xor %eax,%eax
22: 48 83 c4 08 add $0x8,%rsp
26: 5b pop %rbx
27: 5d pop %rbp
28: 41 5c pop %r12
* 2a: 41 5d pop %r13 <-- trapping instruction
2c: 41 5e pop %r14
2e: c3 retq
2f: 48 8d 7b 08 lea 0x8(%rbx),%rdi
33: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
3a: fc ff df
3d: 48 89 fa mov %rdi,%rdx