INFO: task syz-executor.1:24630 blocked for more than 143 seconds.
Not tainted 5.17.0-rc7-syzkaller-00235-gaad611a868d1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:25424 pid:24630 ppid: 3646 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4995 [inline]
__schedule+0xa94/0x4910 kernel/sched/core.c:6304
schedule+0xd2/0x260 kernel/sched/core.c:6377
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6436
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
tls_sw_sendpage+0x7f/0xe0 net/tls/tls_sw.c:1291
inet_sendpage+0xd0/0x140 net/ipv4/af_inet.c:833
kernel_sendpage.part.0+0x1a0/0x340 net/socket.c:3492
kernel_sendpage net/socket.c:3489 [inline]
sock_sendpage+0xe5/0x140 net/socket.c:1007
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+0x1b3/0x280 fs/splice.c:979
do_sendfile+0xaf2/0x1250 fs/read_write.c:1245
__do_sys_sendfile64 fs/read_write.c:1310 [inline]
__se_sys_sendfile64 fs/read_write.c:1296 [inline]
__x64_sys_sendfile64+0x1cc/0x210 fs/read_write.c:1296
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+0x44/0xae
RIP: 0033:0x7f453ec31049
RSP: 002b:00007f453d5a6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f453ed43f60 RCX: 00007f453ec31049
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004
RBP: 00007f453ec8b08d R08: 0000000000000000 R09: 0000000000000000
R10: 000000007ffff000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f453f277b1f R14: 00007f453d5a6300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/26:
#0: ffffffff8bb84ba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460
2 locks held by getty/3280:
#0: ffff88814b23d098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244
#1: ffffc90002b662e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2075
3 locks held by kworker/1:18/4745:
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:631 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:658 [inline]
#0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x890/0x1650 kernel/workqueue.c:2278
#1: ffffc9000424fdb8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8c4/0x1650 kernel/workqueue.c:2282
#2: ffff8880785b0cd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 net/tls/tls_sw.c:2299
1 lock held by syz-executor.1/24630:
#0: ffff8880785b0cd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tls_sw_sendpage+0x7f/0xe0 net/tls/tls_sw.c:1291
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.17.0-rc7-syzkaller-00235-gaad611a868d1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2876 Comm: kworker/1:2 Not tainted 5.17.0-rc7-syzkaller-00235-gaad611a868d1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient fb_flashcursor
RIP: 0010:drm_fbdev_use_iomem.isra.0+0x0/0x200 drivers/gpu/drm/drm_fb_helper.c:2095
Code: e9 ad fd ff ff 48 89 44 24 08 e8 1b 58 6a fd 48 8b 44 24 08 e9 69 fd ff ff e8 0c 58 6a fd e9 43 fd ff ff 0f 1f 80 00 00 00 00 <41> 54 55 53 48 89 fb e8 54 de 22 fd 48 8d bb d8 00 00 00 48 b8 00
RSP: 0018:ffffc90004227aa0 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffff88801a1b4300 RCX: 0000000000000000
RDX: 1ffff11003428895 RSI: ffffffff8455fc5c RDI: ffff88801a338000
RBP: ffff88801a144000 R08: 0000000000000000 R09: ffff88801a1b435f
R10: ffffffff8416f4c7 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88801a1444a8 R14: ffffc90004227c08 R15: ffff88801a144000
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff906ed0d8 CR3: 0000000019644000 CR4: 00000000003506e0
Call Trace:
drm_fbdev_fb_imageblit+0x43/0x350 drivers/gpu/drm/drm_fb_helper.c:2285
soft_cursor+0x514/0xa30 drivers/video/fbdev/core/softcursor.c:74
bit_cursor+0x11bc/0x1770 drivers/video/fbdev/core/bitblit.c:377
fb_flashcursor+0x38b/0x430 drivers/video/fbdev/core/fbcon.c:387
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: e9 ad fd ff ff jmpq 0xfffffdb2
5: 48 89 44 24 08 mov %rax,0x8(%rsp)
a: e8 1b 58 6a fd callq 0xfd6a582a
f: 48 8b 44 24 08 mov 0x8(%rsp),%rax
14: e9 69 fd ff ff jmpq 0xfffffd82
19: e8 0c 58 6a fd callq 0xfd6a582a
1e: e9 43 fd ff ff jmpq 0xfffffd66
23: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
* 2a: 41 54 push %r12 <-- trapping instruction
2c: 55 push %rbp
2d: 53 push %rbx
2e: 48 89 fb mov %rdi,%rbx
31: e8 54 de 22 fd callq 0xfd22de8a
36: 48 8d bb d8 00 00 00 lea 0xd8(%rbx),%rdi
3d: 48 rex.W
3e: b8 .byte 0xb8