INFO: task jbd2/sda1-8:4499 blocked for more than 143 seconds.
Not tainted 6.10.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:jbd2/sda1-8 state:D
stack:24904 pid:4499 tgid:4499 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
io_schedule+0x8d/0x110 kernel/sched/core.c:9043
bit_wait_io+0x12/0xd0 kernel/sched/wait_bit.c:209
__wait_on_bit+0xb0/0x2f0 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0x1d5/0x260 kernel/sched/wait_bit.c:64
wait_on_buffer include/linux/buffer_head.h:415 [inline]
journal_wait_on_commit_record fs/jbd2/commit.c:171 [inline]
jbd2_journal_commit_transaction+0x3d7f/0x6760 fs/jbd2/commit.c:887
kjournald2+0x463/0x850 fs/jbd2/journal.c:201
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
INFO: task udevd:5118 blocked for more than 144 seconds.
Not tainted 6.10.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D
stack:23472 pid:5118 tgid:5118 ppid:4536 flags:0x00000002
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
device_lock include/linux/device.h:1009 [inline]
uevent_show+0x17d/0x340 drivers/base/core.c:2743
dev_attr_show+0x55/0xc0 drivers/base/core.c:2437
sysfs_kf_seq_show+0x331/0x4c0 fs/sysfs/file.c:59
seq_read_iter+0x445/0xd60 fs/seq_file.c:230
new_sync_read fs/read_write.c:395 [inline]
vfs_read+0x9c4/0xbd0 fs/read_write.c:476
ksys_read+0x1a0/0x2c0 fs/read_write.c:619
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2be6516b6a
RSP: 002b:00007ffc8b317298 EFLAGS: 00000246
ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00005585b7cb54a0 RCX: 00007f2be6516b6a
RDX: 0000000000001000 RSI: 00005585b7cd9b60 RDI: 0000000000000008
RBP: 00005585b7cb54a0 R08: 0000000000000008 R09: 0000000000000008
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007ffc8b317778 R15: 000000000000000a
INFO: task syz-executor.4:6362 blocked for more than 145 seconds.
Not tainted 6.10.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:20080 pid:6362 tgid:6362 ppid:1 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
jbd2_log_wait_commit+0x29f/0x4a0 fs/jbd2/journal.c:697
ext4_sync_fs+0x45c/0x710 fs/ext4/super.c:6316
sync_filesystem+0x1c8/0x230 fs/sync.c:66
ovl_sync_fs+0x123/0x180 fs/overlayfs/super.c:232
sync_filesystem+0x1c8/0x230 fs/sync.c:66
generic_shutdown_super+0x72/0x2d0 fs/super.c:621
kill_anon_super+0x3b/0x70 fs/super.c:1226
deactivate_locked_super+0xc4/0x130 fs/super.c:473
cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1267
task_work_run+0x24f/0x310 kernel/task_work.c:180
resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdce967e3d7
RSP: 002b:00007ffe1c857b78 EFLAGS: 00000246
ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdce967e3d7
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe1c857c30
RBP: 00007ffe1c857c30 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe1c858ce0
R13: 00007fdce96d96c6 R14: 000000000002ebd9 R15: 0000000000000008
INFO: task syz-executor.0:7368 blocked for more than 145 seconds.
Not tainted 6.10.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:23256 pid:7368 tgid:7366 ppid:5119 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
jbd2_log_wait_commit+0x29f/0x4a0 fs/jbd2/journal.c:697
__jbd2_journal_force_commit+0x16e/0x1f0 fs/jbd2/journal.c:546
jbd2_journal_force_commit_nested+0x15/0x30 fs/jbd2/journal.c:567
ext4_should_retry_alloc+0x168/0x2d0 fs/ext4/balloc.c:720
ext4_alloc_file_blocks+0xbbe/0xd30 fs/ext4/extents.c:4527
ext4_zero_range+0x91d/0xd40 fs/ext4/extents.c:4658
ext4_fallocate+0x616/0x1ff0 fs/ext4/extents.c:4757
vfs_fallocate+0x564/0x6c0 fs/open.c:330
do_vfs_ioctl+0x2592/0x2e50 fs/ioctl.c:886
__do_sys_ioctl fs/ioctl.c:905 [inline]
__se_sys_ioctl+0x81/0x170 fs/ioctl.c:893
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa9cd87d0a9
RSP: 002b:00007fa9ce6400c8 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa9cd9b3f80 RCX: 00007fa9cd87d0a9
RDX: 0000000020000000 RSI: 0000000040305839 RDI: 0000000000000003
RBP: 00007fa9cd8ec074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fa9cd9b3f80 R15: 00007ffcf319ceb8
INFO: task syz-executor.0:7371 blocked for more than 146 seconds.
Not tainted 6.10.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:24344 pid:7371 tgid:7366 ppid:5119 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
filemap_invalidate_lock_shared include/linux/fs.h:846 [inline]
page_cache_ra_unbounded+0xf7/0x7f0 mm/readahead.c:225
do_sync_mmap_readahead+0x49c/0x970
filemap_fault+0x828/0x1760 mm/filemap.c:3313
__do_fault+0x135/0x460 mm/memory.c:4556
do_cow_fault mm/memory.c:4950 [inline]
do_fault mm/memory.c:5052 [inline]
do_pte_missing mm/memory.c:3897 [inline]
handle_pte_fault+0xdbe/0x7090 mm/memory.c:5380
__handle_mm_fault mm/memory.c:5523 [inline]
handle_mm_fault+0xfb0/0x19d0 mm/memory.c:5688
do_user_addr_fault arch/x86/mm/fault.c:1389 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x2b9/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x4a/0x70 arch/x86/lib/copy_user_64.S:71
Code: 75 f1 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 a4 c3 cc cc cc cc 48 89 c8 48 c1 e9 03 83 e0 07 f3 48 a5 89 c1
RSP: 0018:ffffc900096e7898 EFLAGS: 00050206
RAX: ffffffff84a3b301 RBX: 0000000000000106 RCX: 0000000000000106
RDX: 0000000000000000 RSI: ffff88807a1f60ff RDI: 0000000020001280
RBP: ffffc900096e7a08 R08: ffff88807a1f6204 R09: 1ffff1100f43ec40
R10: dffffc0000000000 R11: ffffed100f43ec41 R12: 1ffff920012dcfb1
R13: 0000000020001280 R14: ffffc900096e7d88 R15: ffff88807a1f60ff
copy_user_generic arch/x86/include/asm/uaccess_64.h:110 [inline]
raw_copy_to_user arch/x86/include/asm/uaccess_64.h:131 [inline]
copy_to_user_iter lib/iov_iter.c:25 [inline]
iterate_ubuf include/linux/iov_iter.h:29 [inline]
iterate_and_advance2 include/linux/iov_iter.h:245 [inline]
iterate_and_advance include/linux/iov_iter.h:271 [inline]
_copy_to_iter+0x26b/0x1960 lib/iov_iter.c:185
copy_to_iter include/linux/uio.h:196 [inline]
seq_read_iter+0x2e1/0xd60 fs/seq_file.c:216
do_iter_readv_writev+0x5a4/0x800
vfs_readv+0x2b6/0xa90 fs/read_write.c:932
do_preadv fs/read_write.c:1049 [inline]
__do_sys_preadv fs/read_write.c:1099 [inline]
__se_sys_preadv fs/read_write.c:1094 [inline]
__x64_sys_preadv+0x1c7/0x2d0 fs/read_write.c:1094
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa9cd87d0a9
RSP: 002b:00007fa9ce61f0c8 EFLAGS: 00000246
ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00007fa9cd9b4050 RCX: 00007fa9cd87d0a9
RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000005
RBP: 00007fa9cd8ec074 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fa9cd9b4050 R15: 00007ffcf319ceb8
INFO: task syz-executor.2:7370 blocked for more than 148 seconds.
Not tainted 6.10.0-rc5-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D
stack:25456 pid:7370 tgid:7369 ppid:6970 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x1796/0x49d0 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
jbd2_log_wait_commit+0x29f/0x4a0 fs/jbd2/journal.c:697
__jbd2_journal_force_commit+0x16e/0x1f0 fs/jbd2/journal.c:546
jbd2_journal_force_commit_nested+0x15/0x30 fs/jbd2/journal.c:567
ext4_should_retry_alloc+0x168/0x2d0 fs/ext4/balloc.c:720
ext4_mkdir+0xab3/0xcf0 fs/ext4/namei.c:3056
vfs_mkdir+0x2f9/0x4f0 fs/namei.c:4131
do_mkdirat+0x264/0x3a0 fs/namei.c:4154
__do_sys_mkdirat fs/namei.c:4169 [inline]
__se_sys_mkdirat fs/namei.c:4167 [inline]
__x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4167
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f63a607bba7
RSP: 002b:00007f63a6d66ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007f63a6d66f80 RCX: 00007f63a607bba7
RDX: 00000000000001ff RSI: 0000000020009640 RDI: 00000000ffffff9c
RBP: 0000000020009600 R08: 0000000000000000 R09: 0000000000009600
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020009640
R13: 00007f63a6d66f40 R14: 0000000000009606 R15: 0000000020000100
Showing all locks held in the system:
1 lock held by khungtaskd/30:
#0: ffffffff8e333fa0
(
rcu_read_lock
){....}-{1:2}
, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline]
, at: rcu_read_lock include/linux/rcupdate.h:781 [inline]
, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614
3 locks held by kworker/0:2/785:
#0: ffff888015080948
(
(wq_completion)events
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3206 [inline]
, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1:
ffffc90003bbfd00
((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f5d4a48 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
14 locks held by kworker/1:2/2528:
3 locks held by kworker/u8:9/2863:
#0: ffff88802a55b948
(
(wq_completion)ipv6_addrconf
){+.+.}-{0:0}
, at: process_one_work kernel/workqueue.c:3206 [inline]
, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1:
ffffc9000a107d00
((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f5d4a48 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x19/0x30 net/ipv6/addrconf.c:4733
5 locks held by kworker/u8:10/2916:
2 locks held by getty/4842:
#0:
ffff88807c8c80a0
(
&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:2211
3 locks held by syz-fuzzer/5086:
#0:
ffff88807c93e420
(
sb_writers
#4){.+.+}-{0:0}
, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1:
ffff888058c64000 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:826 [inline]
ffff888058c64000 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: do_unlinkat+0x26a/0x830 fs/namei.c:4394
#2: ffff888076e7de00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline]
#2: ffff888076e7de00 (&sb->s_type->i_mutex_key#7){++++}-{3:3}, at: vfs_unlink+0xe4/0x650 fs/namei.c:4332
2 locks held by syz-fuzzer/5088:
#0: ffff88807c93e420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1:
ffff888079e45400
(
&type->i_mutex_dir_key#3
/1
){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:826 [inline]
){+.+.}-{3:3}, at: filename_create+0x260/0x540 fs/namei.c:3900
4 locks held by udevd/5118:
#0:
ffff8880117c32f0
(
&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182
#1: ffff88807d717488 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_seq_start+0x53/0x3b0 fs/kernfs/file.c:154
#2: ffff88802f2fc788 (kn->active#5){++++}-{0:0}, at: kernfs_seq_start+0x72/0x3b0 fs/kernfs/file.c:155
#3:
ffff888060e74190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
ffff888060e74190 (&dev->mutex){....}-{3:3}, at: uevent_show+0x17d/0x340 drivers/base/core.c:2743
5 locks held by kworker/1:3/5153:
4 locks held by kworker/0:5/5157:
#0:
ffff888028c68d48
(
(wq_completion)wg-kex-wg2
#8){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#8){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90004477d00 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __ptr = (unsigned long) ((typeof(*((worker))) *)((worker))); (typeof((typeof(*((worker))) *)((worker)))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90004477d00 ((work_completion)(&({ do { const void *__vpp_verify = (typeof((worker) + 0))((void *)0); (void)__vpp_verify; } while (0); ({ unsigned long __ptr; __ptr = (unsigned long) ((typeof(*((worker))) *)((worker))); (typeof((typeof(*((worker))) *)((worker)))) (__ptr + (((__per_cpu_offset[(cpu)])))); }); })->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffff88805d785228 (&wg->static_identity.lock){++++}-{3:3}, at: wg_noise_handshake_consume_initiation+0x156/0xf70 drivers/net/wireguard/noise.c:598
#3:
ffff88802d0a3b78
(
&handshake->lock){++++}-{3:3}
, at: wg_noise_handshake_consume_initiation+0x844/0xf70 drivers/net/wireguard/noise.c:632
3 locks held by kworker/0:7/5186:
#0:
ffff888015080948
((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1:
ffffc90004527d00
(
deferred_process_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8f5d4a48 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
2 locks held by syz-executor.4/6362:
#0: ffff88804e6640e0
(&type->s_umount_key#70){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline]
(&type->s_umount_key#70){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline]
(&type->s_umount_key#70){+.+.}-{3:3}, at: deactivate_super+0xb5/0xf0 fs/super.c:505
#1: ffff88807c93e0e0
(
&type->s_umount_key
#32){++++}-{3:3}
, at: ovl_sync_fs+0x11b/0x180 fs/overlayfs/super.c:231
1 lock held by syz-executor.1/7310:
#0: ffffffff8f5d4a48
(
rtnl_mutex
){+.+.}-{3:3}
, at: tun_detach drivers/net/tun.c:698 [inline]
, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500
2 locks held by syz-executor.3/7367:
#0:
ffffffff8f5d4a48 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
ffffffff8f5d4a48 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3500
#1:
ffffffff8e1ce5b0
(
cpu_hotplug_lock){++++}-{0:0}, at: flush_all_backlogs net/core/dev.c:5984 [inline]
cpu_hotplug_lock){++++}-{0:0}, at: unregister_netdevice_many_notify+0x607/0x16b0 net/core/dev.c:11201
3 locks held by syz-executor.0/7368:
#0:
ffff88807c93e420 (sb_writers#4){.+.+}-{0:0}, at: file_start_write include/linux/fs.h:2854 [inline]
ffff88807c93e420 (sb_writers#4){.+.+}-{0:0}, at: vfs_fallocate+0x4d3/0x6c0 fs/open.c:329
#1: ffff888076e7de00 (&sb->s_type->i_mutex_key
#7
){++++}-{3:3}
, at: inode_lock include/linux/fs.h:791 [inline]
, at: ext4_zero_range+0x225/0xd40 fs/ext4/extents.c:4577
#2: ffff888076e7dfa0
(mapping.invalidate_lock){++++}-{3:3}
, at: filemap_invalidate_lock include/linux/fs.h:836 [inline]
, at: ext4_zero_range+0x500/0xd40 fs/ext4/extents.c:4626
2 locks held by syz-executor.0/7371:
#0:
ffff88801fc06540
(&p->lock
){+.+.}-{3:3}
, at: seq_read_iter+0xb7/0xd60 fs/seq_file.c:182
#1:
ffff888076e7dfa0
(
mapping.invalidate_lock
){++++}-{3:3}
, at: filemap_invalidate_lock_shared include/linux/fs.h:846 [inline]
, at: page_cache_ra_unbounded+0xf7/0x7f0 mm/readahead.c:225
2 locks held by syz-executor.2/7370:
#0: ffff88807c93e420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1:
ffff888076fc4a00
(&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:826 [inline]
(&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: filename_create+0x260/0x540 fs/namei.c:3900
2 locks held by syz-executor.1/7372:
#0: ffff88807c93e420
(
sb_writers#4
){.+.+}-{0:0}
, at: mnt_want_write+0x3f/0x90 fs/namespace.c:409
#1:
ffff88805a4b5e00
(
&type->i_mutex_dir_key
#3
/1
){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:826 [inline]
){+.+.}-{3:3}, at: filename_create+0x260/0x540 fs/namei.c:3900
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114
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:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfde/0x1020 kernel/hung_task.c:379
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
yealink 4-1:36.0: urb_irq_callback - urb status -71
NMI backtrace for cpu 1
CPU: 1 PID: 2528 Comm: kworker/1:2 Not tainted 6.10.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: usb_hub_wq hub_event
RIP: 0010:io_serial_in+0x76/0xb0 drivers/tty/serial/8250/8250_port.c:406
Code: 70 06 63 fc 89 e9 41 d3 e6 48 83 c3 40 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 d1 69 c5 fc 44 03 33 44 89 f2 ec <0f> b6 c0 5b 41 5e 41 5f 5d c3 cc cc cc cc 89 e9 80 e1 07 38 c1 7c
RSP: 0018:ffffc90000a174b8 EFLAGS: 00000002
RAX: 1ffffffff2952d00 RBX: ffffffff94a96f20 RCX: 0000000000000000
RDX: 00000000000003fd RSI: 0000000000000000 RDI: 0000000000000020
RBP: 0000000000000000 R08: ffffffff85331e26 R09: 1ffff11003f4a046
R10: dffffc0000000000 R11: ffffffff85331de0 R12: dffffc0000000000
R13: 0000000000002692 R14: 00000000000003fd R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e796964950 CR3: 000000000e132000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
serial_in drivers/tty/serial/8250/8250.h:117 [inline]
serial_lsr_in drivers/tty/serial/8250/8250.h:139 [inline]
wait_for_lsr drivers/tty/serial/8250/8250_port.c:2068 [inline]
serial8250_console_fifo_write drivers/tty/serial/8250/8250_port.c:3315 [inline]
serial8250_console_write+0x1099/0x1770 drivers/tty/serial/8250/8250_port.c:3393
console_emit_next_record kernel/printk/printk.c:2928 [inline]
console_flush_all+0x865/0xfd0 kernel/printk/printk.c:2994
console_unlock+0x13b/0x4d0 kernel/printk/printk.c:3063
vprintk_emit+0x5a6/0x770 kernel/printk/printk.c:2345
dev_vprintk_emit+0x2ae/0x330 drivers/base/core.c:4909
dev_printk_emit+0xdd/0x120 drivers/base/core.c:4920
_dev_err+0x122/0x170 drivers/base/core.c:4975
urb_irq_callback+0x37e/0x5b0 drivers/input/misc/yealink.c:416
__usb_hcd_giveback_urb+0x42c/0x6e0 drivers/usb/core/hcd.c:1650
dummy_timer+0x830/0x45d0 drivers/usb/gadget/udc/dummy_hcd.c:1987
__run_hrtimer kernel/time/hrtimer.c:1687 [inline]
__hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0x52/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:55 [inline]
RIP: 0010:stack_access_ok arch/x86/kernel/unwind_orc.c:397 [inline]
RIP: 0010:deref_stack_reg arch/x86/kernel/unwind_orc.c:403 [inline]
RIP: 0010:unwind_next_frame+0x12d1/0x2a00 arch/x86/kernel/unwind_orc.c:585
Code: 89 e7 e8 52 5a f2 ff 89 c3 31 ff 89 c6 e8 37 26 55 00 85 db 4c 8b 7c 24 08 74 0a e8 e9 21 55 00 e9 7e 08 00 00 43 80 3c 2e 00 <48> 8b 5c 24 60 74 08 48 89 df e8 50 85 b7 00 4c 8b 33 42 80 7c 2d
RSP: 0018:ffffc90000a18588 EFLAGS: 00000246
RAX: 0000000080000102 RBX: 0000000000000000 RCX: 0000000000000001
RDX: ffff88802a635a00 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 1ffff920001430ce R08: ffffffff814102a9 R09: ffffffff8140ffe6
R10: 0000000000000003 R11: ffff88802a635a00 R12: ffffc90009af6670
R13: dffffc0000000000 R14: 1ffff920001430cd R15: 1ffff920001430cc
arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
poison_slab_object+0xe0/0x150 mm/kasan/common.c:240
__kasan_slab_free+0x37/0x60 mm/kasan/common.c:256
kasan_slab_free include/linux/kasan.h:184 [inline]
slab_free_hook mm/slub.c:2196 [inline]
slab_free mm/slub.c:4437 [inline]
kmem_cache_free+0x145/0x350 mm/slub.c:4512
skb_kfree_head net/core/skbuff.c:1067 [inline]
skb_free_head net/core/skbuff.c:1081 [inline]
skb_release_data+0x64d/0x880 net/core/skbuff.c:1108
skb_release_all net/core/skbuff.c:1173 [inline]
__kfree_skb net/core/skbuff.c:1187 [inline]
consume_skb+0xb1/0x160 net/core/skbuff.c:1409
mac80211_hwsim_beacon_tx+0x3bf/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2306
__iterate_interfaces+0x223/0x4c0 net/mac80211/util.c:772
ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:808
mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2336
__run_hrtimer kernel/time/hrtimer.c:1687 [inline]
__hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1751
hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1768
handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 9e 9b 70 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 c3 ad dd f5 65 8b 05 e4 e7 7b 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc90009af6720 EFLAGS: 00000206
RAX: 808a2160ee20eb00 RBX: 1ffff9200135ece8 RCX: ffffffff8172d71a
RDX: dffffc0000000000 RSI: ffffffff8bcabb60 RDI: 0000000000000001
RBP: ffffc90009af67b0 R08: ffffffff92f715af R09: 1ffffffff25ee2b5
R10: dffffc0000000000 R11: fffffbfff25ee2b6 R12: dffffc0000000000
R13: 1ffff9200135ece4 R14: ffffc90009af6740 R15: 0000000000000246