INFO: task syz-executor.1:5175 blocked for more than 143 seconds.
Not tainted 6.8.0-rc5-syzkaller-00381-g70ff1fe626a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:26616 pid:5175 tgid:5175 ppid:5105 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2159
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+0x354/0x620 kernel/sched/completion.c:148
__flush_work+0x950/0xad0 kernel/workqueue.c:3410
__cancel_work_timer+0x51d/0x6b0 kernel/workqueue.c:3497
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xaf/0x600 drivers/hid/uhid.c:662
__fput+0x429/0x8a0 fs/file_table.c:376
__do_sys_close fs/open.c:1554 [inline]
__se_sys_close fs/open.c:1539 [inline]
__x64_sys_close+0x7e/0x110 fs/open.c:1539
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7fb16fe7cc9a
RSP: 002b:00007fffce77a7d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fb16fe7cc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000048 R08: 0000001b31a60000 R09: 00007fb16ffabf8c
R10: 0000000000000120 R11: 0000000000000293 R12: 00007fb16fa003c0
R13: ffffffffffffffff R14: 00007fb16fa00000 R15: 0000000000016fad
INFO: task syz-executor.3:5179 blocked for more than 144 seconds.
Not tainted 6.8.0-rc5-syzkaller-00381-g70ff1fe626a1 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:26616 pid:5179 tgid:5179 ppid:5087 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5400 [inline]
__schedule+0x17d1/0x49f0 kernel/sched/core.c:6727
__schedule_loop kernel/sched/core.c:6802 [inline]
schedule+0x149/0x260 kernel/sched/core.c:6817
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2159
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+0x354/0x620 kernel/sched/completion.c:148
__flush_work+0x950/0xad0 kernel/workqueue.c:3410
__cancel_work_timer+0x51d/0x6b0 kernel/workqueue.c:3497
uhid_dev_destroy drivers/hid/uhid.c:584 [inline]
uhid_char_release+0xaf/0x600 drivers/hid/uhid.c:662
__fput+0x429/0x8a0 fs/file_table.c:376
__do_sys_close fs/open.c:1554 [inline]
__se_sys_close fs/open.c:1539 [inline]
__x64_sys_close+0x7e/0x110 fs/open.c:1539
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f663e27cc9a
RSP: 002b:00007ffe373d8f50 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f663e27cc9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000048 R08: 0000001b31460000 R09: 00007f663e3abf8c
R10: 0000000000000120 R11: 0000000000000293 R12: 00007f663de003c0
R13: ffffffffffffffff R14: 00007f663de00000 R15: 00000000000179bf
Showing all locks held in the system:
3 locks held by kworker/0:0/8:
2 locks held by kworker/1:1/27:
#0: ffff888014c8e538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
#0: ffff888014c8e538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
#1: ffffc90000a2fd20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
#1: ffffc90000a2fd20 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
1 lock held by khungtaskd/29:
#0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:298 [inline]
#0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:750 [inline]
#0: ffffffff8e130be0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
3 locks held by kworker/u4:3/49:
7 locks held by kworker/u4:8/2849:
#0:
ffff8880162f4938
((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
#1: ffffc9000a44fd20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
#1: ffffc9000a44fd20 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
#2: ffffffff8f3695d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf5/0xb90 net/core/net_namespace.c:580
#3: ffff8880245bf0e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:990 [inline]
#3: ffff8880245bf0e8 (&dev->mutex){....}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline]
#3: ffff8880245bf0e8 (&dev->mutex){....}-{3:3}, at: devlink_pernet_pre_exit+0x13b/0x440 net/devlink/core.c:506
#4: ffff8880245ba250 (&devlink->lock_key#14){+.+.}-{3:3}, at: devl_lock net/devlink/core.c:276 [inline]
#4: ffff8880245ba250 (&devlink->lock_key#14){+.+.}-{3:3}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline]
#4: ffff8880245ba250 (&devlink->lock_key#14){+.+.}-{3:3}, at: devlink_pernet_pre_exit+0x14d/0x440 net/devlink/core.c:506
#5:
ffffffff8f375b48 (rtnl_mutex){+.+.}-{3:3}, at: nsim_destroy+0x40/0x160 drivers/net/netdevsim/netdev.c:417
#6: ffffffff8e136578 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline]
#6: ffffffff8e136578 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3a3/0x890 kernel/rcu/tree_exp.h:995
2 locks held by getty/4820:
#0: ffff88802f9420a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1:
ffffc90002efe2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b4/0x1e10 drivers/tty/n_tty.c:2201
3 locks held by kworker/u5:3/5092:
#0: ffff8880247ae938 ((wq_completion)hci5){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
#0: ffff8880247ae938 ((wq_completion)hci5){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
#1: ffff8880b9528988 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
#2: ffff88801f7fe198 (&list->lock#10){....}-{2:2}, at: skb_dequeue+0x2d/0x150 net/core/skbuff.c:3725
3 locks held by kworker/u5:4/5094:
#0: ffff88807dc0bd38 ((wq_completion)hci6){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:2608 [inline]
#0: ffff88807dc0bd38 ((wq_completion)hci6){+.+.}-{0:0}, at: process_scheduled_works+0x825/0x1420 kernel/workqueue.c:2706
#1:
ffff8880b9528988
(
&per_cpu_ptr(group->pcpu, cpu)->seq
){-.-.}-{0:0}
, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
#2: ffff8880b9529898
(&base->lock){-.-.}-{2:2}, at: lock_timer_base+0x120/0x260 kernel/time/timer.c:999
3 locks held by kworker/0:4/5141:
1 lock held by syz-executor.4/5522:
#0:
ffffffff8f375b48
(
rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x82c/0x1040 net/core/rtnetlink.c:6615
1 lock held by syz-executor.3/5526:
#0:
ffffffff8f375b48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
ffffffff8f375b48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x82c/0x1040 net/core/rtnetlink.c:6615
1 lock held by syz-executor.0/5531:
#0: ffffffff8f375b48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f375b48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x82c/0x1040 net/core/rtnetlink.c:6615
1 lock held by syz-executor.2/5554:
#0:
ffffffff8f375b48
(rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
(rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x82c/0x1040 net/core/rtnetlink.c:6615
1 lock held by syz-executor.1/5564:
#0: ffffffff8f375b48 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline]
#0: ffffffff8f375b48 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x82c/0x1040 net/core/rtnetlink.c:6615
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.8.0-rc5-syzkaller-00381-g70ff1fe626a1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
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+0xfaf/0xff0 kernel/hung_task.c:379
kthread+0x2ef/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1b/0x30 arch/x86/entry/entry_64.S:243
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5573 Comm: sed Not tainted 6.8.0-rc5-syzkaller-00381-g70ff1fe626a1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:write_comp_data kernel/kcov.c:236 [inline]
RIP: 0010:__sanitizer_cov_trace_cmp8+0x17/0x90 kernel/kcov.c:284
Code: 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 4c 8b 04 24 65 48 8b 0d 40 4f 70 7e 65 8b 05 41 4f 70 7e 00 01 ff 00 74 10 a9 00 01 00 00 74 57 83 b9 fc 15 00 00 00 74
RSP: 0018:ffffc900051d6fd0 EFLAGS: 00000246
RAX: 0000000080000000 RBX: ffffc900051d6fd8 RCX: ffff88802288d940
RDX: ffff88802288d940 RSI: ffffc900051d70d0 RDI: ffffc900051d6fd8
RBP: 1ffff92000a3ae08 R08: ffffffff8140830c R09: 0000000000000000
R10: ffffc900051d7040 R11: fffff52000a3ae14 R12: ffffc900051d70d0
R13: ffffc900051d7050 R14: ffffc900051d7040 R15: ffffc900051d7048
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f636e2fe5e8 CR3: 000000002535e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__unwind_start+0x61c/0x7a0 arch/x86/kernel/unwind_orc.c:759
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0x102/0x1b0 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0x117/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
unpoison_slab_object mm/kasan/common.c:314 [inline]
__kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:340
kasan_slab_alloc include/linux/kasan.h:201 [inline]
slab_post_alloc_hook mm/slub.c:3813 [inline]
slab_alloc_node mm/slub.c:3860 [inline]
kmem_cache_alloc+0x16f/0x340 mm/slub.c:3867
vma_lock_alloc kernel/fork.c:439 [inline]
vm_area_dup+0x61/0x290 kernel/fork.c:492
__split_vma+0x1a9/0xd00 mm/mmap.c:2335
do_vmi_align_munmap+0x3a6/0x1930 mm/mmap.c:2536
do_vmi_munmap+0x24d/0x2d0 mm/mmap.c:2695
__vm_munmap+0x20b/0x480 mm/mmap.c:2982
elf_map fs/binfmt_elf.c:383 [inline]
elf_load+0x2d7/0x6e0 fs/binfmt_elf.c:408
load_elf_binary+0xf3b/0x2590 fs/binfmt_elf.c:1132
search_binary_handler fs/exec.c:1783 [inline]
exec_binprm fs/exec.c:1825 [inline]
bprm_execve+0xaf7/0x1790 fs/exec.c:1877
do_execveat_common+0x552/0x6f0 fs/exec.c:1984
do_execve fs/exec.c:2058 [inline]
__do_sys_execve fs/exec.c:2134 [inline]
__se_sys_execve fs/exec.c:2129 [inline]
__x64_sys_execve+0x92/0xb0 fs/exec.c:2129
do_syscall_64+0xf9/0x240
entry_SYSCALL_64_after_hwframe+0x6f/0x77
RIP: 0033:0x7f636e24bef7
Code: Unable to access opcode bytes at 0x7f636e24becd.
RSP: 002b:00007ffd79d4a978 EFLAGS: 00000246 ORIG_RAX: 000000000000003b
RAX: ffffffffffffffda RBX: 000055bed15e1ec0 RCX: 00007f636e24bef7
RDX: 000055bed15e1f08 RSI: 000055bed15e1ec0 RDI: 000055bed15e1f98
RBP: 000055bed15e1f98 R08: 000055bed15e1f9d R09: 00007ffd79d4ee92
R10: 00007f636e444088 R11: 0000000000000246 R12: 000055bed15e1f08
R13: 00007f636e3f9904 R14: 000055bed15e1f08 R15: 0000000000000000