rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
1-...D } 2661 jiffies s: 54469 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
RIP: 0033:0x7f15a639e31b
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5287 Comm: udevd Not tainted 6.12.0-rc4-syzkaller-00052-gc6d9e43954bf #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__sanitizer_cov_trace_pc+0x46/0x70 kernel/kcov.c:220
Code: 74 1d f6 c4 01 74 43 a9 00 00 0f 00 75 3c a9 00 00 f0 00 75 35 8b 82 54 15 00 00 85 c0 74 2b 8b 82 30 15 00 00 83 f8 02 75 20 <48> 8b 8a 38 15 00 00 8b 92 34 15 00 00 48 8b 01 48 83 c0 01 48 39
RSP: 0018:ffffc900001b7a70 EFLAGS: 00000046
RAX: 0000000000000002 RBX: ffffffff8728c781 RCX: ffffffff86e69d0f
RDX: ffff88811309ba80 RSI: ffffffff86e69d71 RDI: 0000000000000001
RBP: 0000000000000025 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000025 R11: 00000000006a26a0 R12: ffffc900001b7b78
R13: ffffffff8728c781 R14: 0000000000000000 R15: dffffc0000000000
FS: 00007f7959c92c80(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c383a75 CR3: 0000000113cb2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
format_decode+0x1a1/0xba0 lib/vsprintf.c:2538
vsnprintf+0x13d/0x1880 lib/vsprintf.c:2755
sprintf+0xcd/0x110 lib/vsprintf.c:3007
print_time kernel/printk/printk.c:1362 [inline]
info_print_prefix+0x25c/0x350 kernel/printk/printk.c:1388
record_print_text+0x141/0x400 kernel/printk/printk.c:1437
printk_get_next_message+0x2a6/0x670 kernel/printk/printk.c:2978
console_emit_next_record kernel/printk/printk.c:3046 [inline]
console_flush_all+0x6ec/0xc60 kernel/printk/printk.c:3180
__console_flush_and_unlock kernel/printk/printk.c:3239 [inline]
console_unlock+0xd9/0x210 kernel/printk/printk.c:3279
vprintk_emit+0x424/0x6f0 kernel/printk/printk.c:2407
vprintk+0x7f/0xa0 kernel/printk/printk_safe.c:68
_printk+0xc8/0x100 kernel/printk/printk.c:2432
show_ip arch/x86/kernel/dumpstack.c:142 [inline]
show_iret_regs+0x26/0x60 arch/x86/kernel/dumpstack.c:149
__show_regs+0x2a/0x750 arch/x86/kernel/process_64.c:76
show_trace_log_lvl+0x26c/0x3d0 arch/x86/kernel/dumpstack.c:301
sched_show_task kernel/sched/core.c:7604 [inline]
sched_show_task+0x3f0/0x5f0 kernel/sched/core.c:7579
show_state_filter+0xee/0x320 kernel/sched/core.c:7649
k_spec drivers/tty/vt/keyboard.c:667 [inline]
k_spec+0xed/0x150 drivers/tty/vt/keyboard.c:656
kbd_keycode drivers/tty/vt/keyboard.c:1522 [inline]
kbd_event+0xcbd/0x17a0 drivers/tty/vt/keyboard.c:1541
input_handler_events_default+0x116/0x1b0 drivers/input/input.c:2549
input_pass_values+0x777/0x8e0 drivers/input/input.c:126
input_event_dispose drivers/input/input.c:352 [inline]
input_handle_event+0xb30/0x14d0 drivers/input/input.c:369
input_event drivers/input/input.c:398 [inline]
input_event+0x83/0xa0 drivers/input/input.c:390
hidinput_hid_event+0xa12/0x2410 drivers/hid/hid-input.c:1719
hid_process_event+0x4b7/0x5e0 drivers/hid/hid-core.c:1540
hid_input_array_field+0x330/0x710 drivers/hid/hid-core.c:1644
hid_process_report drivers/hid/hid-core.c:1694 [inline]
hid_report_raw_event+0xa02/0x11c0 drivers/hid/hid-core.c:2040
__hid_input_report.constprop.0+0x341/0x440 drivers/hid/hid-core.c:2110
hid_irq_in+0x35e/0x870 drivers/hid/usbhid/hid-core.c:285
__usb_hcd_giveback_urb+0x389/0x6e0 drivers/usb/core/hcd.c:1650
usb_hcd_giveback_urb+0x396/0x450 drivers/usb/core/hcd.c:1734
dummy_timer+0x17f0/0x3930 drivers/usb/gadget/udc/dummy_hcd.c:1993
__run_hrtimer kernel/time/hrtimer.c:1691 [inline]
__hrtimer_run_queues+0x20a/0xae0 kernel/time/hrtimer.c:1755
hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1772
handle_softirqs+0x206/0x8d0 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu kernel/softirq.c:637 [inline]
irq_exit_rcu+0xac/0x110 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:link_path_walk.part.0.constprop.0+0x2e/0xd40 fs/namei.c:2352
Code: ff 41 56 49 89 f6 41 55 41 54 55 53 48 83 ec 50 e8 b7 80 9c ff 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 <4c> 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 ee 0c 00 00 41 0f b6 1f
RSP: 0018:ffffc90004e4fa10 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffffc90004e4fb40 RCX: ffffffff81b9b23e
RDX: 1ffff1102363a224 RSI: ffffffff81b97209 RDI: ffff88811b1d1120
RBP: ffffc90004e4fae0 R08: 0000000000000007 R09: fffffffffffff000
R10: ffff88811b1d1120 R11: 0000000000000000 R12: ffff88811b1d1120
R13: 0000000000000000 R14: ffffc90004e4fb40 R15: ffff88811b1d1120
link_path_walk fs/namei.c:2349 [inline]
path_lookupat+0x93/0x770 fs/namei.c:2579
filename_lookup+0x1e5/0x5b0 fs/namei.c:2609
vfs_statx+0x11e/0x1e0 fs/stat.c:312
vfs_fstatat+0x9f/0x160 fs/stat.c:341
__do_sys_newfstatat+0xa2/0x130 fs/stat.c:505
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7959dbd5f4
Code: 64 c7 00 09 00 00 00 83 c8 ff c3 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 00 00 00 00 41 89 ca b8 06 01 00 00 0f 05 <45> 31 c0 3d 00 f0 ff ff 76 10 48 8b 15 03 a8 0d 00 f7 d8 41 83 c8
RSP: 002b:00007ffc588b6768 EFLAGS: 00000206 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000055a33b24e6c0 RCX: 00007f7959dbd5f4
RDX: 00007ffc588b6778 RSI: 00007ffc588b6808 RDI: 00000000ffffff9c
RBP: 000055a326818df3 R08: 000055a326818df3 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 0000000000000000
R13: 000055a33b24e7b0 R14: 00007ffc588b6808 R15: 000055a326818ddb
RSP: 002b:00007f15a5014f10 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f15a639e31b
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000005
RBP: 00007f15a5015fe0 R08: 0000000000000000 R09: 00342e6364755f79
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f15a5014fb0 R14: 0000000020000000 R15: 00007f15a66813f0
task:syz.1.3616 state:D stack:27856 pid:20249 tgid:20248 ppid:16851 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
exp_funnel_lock+0x344/0x3b0 kernel/rcu/tree_exp.h:320
synchronize_rcu_expedited+0x290/0x450 kernel/rcu/tree_exp.h:976
module_remove_driver+0x2e/0x260 drivers/base/module.c:106
bus_remove_driver+0x143/0x2c0 drivers/base/bus.c:745
driver_unregister+0x76/0xb0 drivers/base/driver.c:274
usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1732
raw_release+0x1ae/0x2b0 drivers/usb/gadget/legacy/raw_gadget.c:462
__fput+0x3f6/0xb60 fs/file_table.c:431
task_work_run+0x14e/0x250 kernel/task_work.c:239
exit_task_work include/linux/task_work.h:43 [inline]
do_exit+0xadd/0x2ce0 kernel/exit.c:939
do_group_exit+0xd3/0x2a0 kernel/exit.c:1088
get_signal+0x25fb/0x2770 kernel/signal.c:2917
arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [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+0x147/0x260 kernel/entry/common.c:218
do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2fa4b7e31b
RSP: 002b:00007f2fa37eef10 EFLAGS: 00000246
ORIG_RAX: 0000000000000010
RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 00007f2fa4b7e31b
RDX: 00007f2fa37effe0 RSI: 0000000080085502 RDI: 0000000000000003
RBP: 00007f2fa37effe0 R08: 0000000000000080 R09: 00007f2fa37eefd8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000080085502
R13: 0000000800000000 R14: 0000000000000012 R15: 00007f2fa4bfb30b
task:syz-executor state:D stack:26144 pid:20252 tgid:20252 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
io_schedule+0xbf/0x130 kernel/sched/core.c:7574
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:209
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5773
__ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:5947
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:5984
__mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2493
generic_update_time+0xcf/0xf0 fs/inode.c:2043
inode_update_time fs/inode.c:2056 [inline]
touch_atime+0x4ee/0x5d0 fs/inode.c:2128
file_accessed include/linux/fs.h:2528 [inline]
ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797
call_mmap include/linux/fs.h:2172 [inline]
mmap_region+0x110a/0x2910 mm/mmap.c:1447
do_mmap+0xc00/0xfc0 mm/mmap.c:496
vm_mmap_pgoff+0x1ba/0x350 mm/util.c:588
ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:542
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
__x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f73ba9de753
RSP: 002b:00007ffc2db05188 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f73ba9de753
RDX: 0000000000000001 RSI: 0000000000400000 RDI: 0000000000000000
RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffc2db051f0
R13: 00007ffc2db051f8 R14: 0000000000000009 R15: 0000000000000000
task:syz-executor state:D
stack:26144 pid:20253 tgid:20253 ppid:1 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
io_schedule+0xbf/0x130 kernel/sched/core.c:7574
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:209
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5773
__ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:5947
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:5984
__mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2493
generic_update_time+0xcf/0xf0 fs/inode.c:2043
inode_update_time fs/inode.c:2056 [inline]
touch_atime+0x4ee/0x5d0 fs/inode.c:2128
file_accessed include/linux/fs.h:2528 [inline]
ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797
call_mmap include/linux/fs.h:2172 [inline]
mmap_region+0x110a/0x2910 mm/mmap.c:1447
do_mmap+0xc00/0xfc0 mm/mmap.c:496
vm_mmap_pgoff+0x1ba/0x350 mm/util.c:588
ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:542
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
__x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f706961e753
RSP: 002b:00007ffebc049308 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f706961e753
RDX: 0000000000000001 RSI: 0000000000400000 RDI: 0000000000000000
RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffebc049370
R13: 00007ffebc049378 R14: 0000000000000009 R15: 0000000000000000
task:syz-executor state:D stack:26144 pid:20254 tgid:20254 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
io_schedule+0xbf/0x130 kernel/sched/core.c:7574
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:209
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5773
__ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:5947
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:5984
__mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2493
generic_update_time+0xcf/0xf0 fs/inode.c:2043
inode_update_time fs/inode.c:2056 [inline]
touch_atime+0x4ee/0x5d0 fs/inode.c:2128
file_accessed include/linux/fs.h:2528 [inline]
ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797
call_mmap include/linux/fs.h:2172 [inline]
mmap_region+0x110a/0x2910 mm/mmap.c:1447
do_mmap+0xc00/0xfc0 mm/mmap.c:496
vm_mmap_pgoff+0x1ba/0x350 mm/util.c:588
ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:542
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
__x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f5d735fe753
RSP: 002b:00007fff6f667e78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5d735fe753
RDX: 0000000000000001 RSI: 0000000000400000 RDI: 0000000000000000
RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 00007fff6f667ee0
R13: 00007fff6f667ee8 R14: 0000000000000009 R15: 0000000000000000
task:syz-executor state:D stack:26144 pid:20255 tgid:20255 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
io_schedule+0xbf/0x130 kernel/sched/core.c:7574
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:209
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5773
__ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:5947
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:5984
__mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2493
generic_update_time+0xcf/0xf0 fs/inode.c:2043
inode_update_time fs/inode.c:2056 [inline]
touch_atime+0x4ee/0x5d0 fs/inode.c:2128
file_accessed include/linux/fs.h:2528 [inline]
ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797
call_mmap include/linux/fs.h:2172 [inline]
mmap_region+0x110a/0x2910 mm/mmap.c:1447
do_mmap+0xc00/0xfc0 mm/mmap.c:496
vm_mmap_pgoff+0x1ba/0x350 mm/util.c:588
ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:542
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
__x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd5de8fe753
RSP: 002b:00007fffe51a81f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd5de8fe753
RDX: 0000000000000001 RSI: 0000000000400000 RDI: 0000000000000000
RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 00007fffe51a8260
R13: 00007fffe51a8268 R14: 0000000000000009 R15: 0000000000000000
task:syz-executor state:D stack:25440 pid:20256 tgid:20256 ppid:1 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x105f/0x34b0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0xe7/0x350 kernel/sched/core.c:6782
io_schedule+0xbf/0x130 kernel/sched/core.c:7574
bit_wait_io+0x15/0xe0 kernel/sched/wait_bit.c:209
__wait_on_bit+0x62/0x180 kernel/sched/wait_bit.c:49
out_of_line_wait_on_bit+0xda/0x110 kernel/sched/wait_bit.c:64
wait_on_bit_io include/linux/wait_bit.h:101 [inline]
do_get_write_access+0x933/0x1270 fs/jbd2/transaction.c:1096
jbd2_journal_get_write_access+0x1d6/0x280 fs/jbd2/transaction.c:1245
__ext4_journal_get_write_access+0x6a/0x390 fs/ext4/ext4_jbd2.c:239
ext4_reserve_inode_write+0x13b/0x270 fs/ext4/inode.c:5773
__ext4_mark_inode_dirty+0x1a6/0x890 fs/ext4/inode.c:5947
ext4_dirty_inode+0xd9/0x130 fs/ext4/inode.c:5984
__mark_inode_dirty+0x1f6/0xe60 fs/fs-writeback.c:2493
generic_update_time+0xcf/0xf0 fs/inode.c:2043
inode_update_time fs/inode.c:2056 [inline]
touch_atime+0x4ee/0x5d0 fs/inode.c:2128
file_accessed include/linux/fs.h:2528 [inline]
ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797
call_mmap include/linux/fs.h:2172 [inline]
mmap_region+0x110a/0x2910 mm/mmap.c:1447
do_mmap+0xc00/0xfc0 mm/mmap.c:496
vm_mmap_pgoff+0x1ba/0x350 mm/util.c:588
ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:542
__do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline]
__se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline]
__x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f997029e753
RSP: 002b:00007ffd9e63ad88 EFLAGS: 00000246
ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f997029e753
RDX: 0000000000000001 RSI: 0000000000400000 RDI: 0000000000000000
RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 00007ffd9e63adf0
R13: 00007ffd9e63adf8 R14: 0000000000000009 R15: 0000000000000000
Showing all locks held in the system:
6 locks held by kworker/1:1/62:
#0: ffff888105ef2d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc90000537d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2:
ffff88810aba2190
(&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
(&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849
#3: ffff8881087e7508 (&port_dev->status_lock){+.+.}-{3:3}, at: usb_lock_port drivers/usb/core/hub.c:3206 [inline]
#3: ffff8881087e7508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5418 [inline]
#3: ffff8881087e7508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
#3: ffff8881087e7508 (&port_dev->status_lock){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5821 [inline]
#3: ffff8881087e7508 (&port_dev->status_lock){+.+.}-{3:3}, at: hub_event+0x28aa/0x4f40 drivers/usb/core/hub.c:5903
#4:
ffff888103389168 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect drivers/usb/core/hub.c:5419 [inline]
ffff888103389168 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_port_connect_change drivers/usb/core/hub.c:5661 [inline]
ffff888103389168 (hcd->address0_mutex){+.+.}-{3:3}, at: port_event drivers/usb/core/hub.c:5821 [inline]
ffff888103389168 (hcd->address0_mutex){+.+.}-{3:3}, at: hub_event+0x28d0/0x4f40 drivers/usb/core/hub.c:5903
#5: ffffffff899cc910 (ehci_cf_port_reset_rwsem){.+.+}-{3:3}, at: hub_port_reset+0x1a7/0x1e60 drivers/usb/core/hub.c:3021
2 locks held by getty/2918:
#0: ffff88811209e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc900000432f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211
6 locks held by kworker/1:2/5227:
6 locks held by kworker/1:3/5236:
5 locks held by udevd/5287:
#0: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: path_init+0x6f0/0x1aa0 fs/namei.c:2451
#1: ffff88810133d230 (&dev->event_lock){..-.}-{2:2}, at: input_event drivers/input/input.c:397 [inline]
#1: ffff88810133d230 (&dev->event_lock){..-.}-{2:2}, at: input_event+0x70/0xa0 drivers/input/input.c:390
#2: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: input_pass_values+0x8b/0x8e0 drivers/input/input.c:118
#3: ffffffff89387a58 (
kbd_event_lock
){..-.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline]
){..-.}-{2:2}, at: kbd_event+0x8a/0x17a0 drivers/tty/vt/keyboard.c:1535
#4: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#4: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#4: ffffffff88ebb140 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6720
1 lock held by udevd/12368:
#0: ffffffff88ec6a38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329
8 locks held by kworker/0:7/19790:
#0: ffff888105ef2d48 ((wq_completion)usb_hub_wq){+.+.}-{0:0}, at: process_one_work+0x129b/0x1ba0 kernel/workqueue.c:3204
#1: ffffc90012c37d80 ((work_completion)(&hub->events)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205
#2: ffff88810a796190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#2: ffff88810a796190 (&dev->mutex){....}-{3:3}, at: hub_event+0x1be/0x4f40 drivers/usb/core/hub.c:5849
#3: ffff8881056ab190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#3: ffff8881056ab190 (&dev->mutex){....}-{3:3}, at: usb_disconnect+0x10a/0x920 drivers/usb/core/hub.c:2295
#4: ffff888113eec160 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
#4: ffff888113eec160 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
#4: ffff888113eec160 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293
#5: ffff88811bc6da20 (&dev->mutex
){....}-{3:3}, at: device_lock include/linux/device.h:1014 [inline]
){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1095 [inline]
){....}-{3:3}, at: device_release_driver_internal+0xa4/0x610 drivers/base/dd.c:1293
#6: ffffffff89bd7648 (input_mutex){+.+.}-{3:3}, at: __input_unregister_device+0x136/0x450 drivers/input/input.c:2272
#7:
ffffffff88ec6a38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x1a4/0x3b0 kernel/rcu/tree_exp.h:329
3 locks held by syz-executor/20252:
#0: ffff88811f019d58 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline]
#0: ffff88811f019d58 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x160/0x350 mm/util.c:586
#1: ffff8881154b03f8 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2528 [inline]
#1: ffff8881154b03f8 (sb_writers#5){.+.+}-{0:0}, at: ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797
#2: ffff8881154b4958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
3 locks held by syz-executor/20253:
#0: ffff88811f01de18 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline]
#0: ffff88811f01de18 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x160/0x350 mm/util.c:586
#1: ffff8881154b03f8 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2528 [inline]
#1: ffff8881154b03f8 (sb_writers#5){.+.+}-{0:0}, at: ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797
#2: ffff8881154b4958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
3 locks held by syz-executor/20254:
#0: ffff88811f01b918 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline]
#0: ffff88811f01b918 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x160/0x350 mm/util.c:586
#1:
ffff8881154b03f8 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2528 [inline]
ffff8881154b03f8 (sb_writers#5){.+.+}-{0:0}, at: ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797
#2: ffff8881154b4958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
3 locks held by syz-executor/20255:
#0:
ffff88811f01e758 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline]
ffff88811f01e758 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x160/0x350 mm/util.c:586
#1: ffff8881154b03f8 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2528 [inline]
#1: ffff8881154b03f8 (sb_writers#5){.+.+}-{0:0}, at: ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797
#2: ffff8881154b4958 (jbd2_handle){++++}-{0:0}
, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
3 locks held by syz-executor/20256:
#0: ffff88811bfff098 (&mm->mmap_lock){++++}-{3:3}, at: mmap_write_lock_killable include/linux/mmap_lock.h:122 [inline]
#0: ffff88811bfff098 (&mm->mmap_lock){++++}-{3:3}, at: vm_mmap_pgoff+0x160/0x350 mm/util.c:586
#1: ffff8881154b03f8 (sb_writers#5){.+.+}-{0:0}, at: file_accessed include/linux/fs.h:2528 [inline]
#1: ffff8881154b03f8 (sb_writers#5){.+.+}-{0:0}, at: ext4_file_mmap+0x1c8/0x240 fs/ext4/file.c:797
#2:
ffff8881154b4958 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0xf6c/0x1430 fs/jbd2/transaction.c:448
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