INFO: task udevd:3622 blocked for more than 143 seconds.
Not tainted 6.1.119-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:23912 pid:3622 ppid:1 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
device_lock include/linux/device.h:837 [inline]
uevent_show+0x176/0x330 drivers/base/core.c:2661
dev_attr_show+0x50/0xb0 drivers/base/core.c:2364
sysfs_kf_seq_show+0x32d/0x4b0 fs/sysfs/file.c:59
seq_read_iter+0x43a/0xd10 fs/seq_file.c:230
call_read_iter include/linux/fs.h:2259 [inline]
new_sync_read fs/read_write.c:389 [inline]
vfs_read+0x88d/0xbf0 fs/read_write.c:470
ksys_read+0x19c/0x2c0 fs/read_write.c:613
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f7943716b6a
RSP: 002b:00007ffd98dc6918 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055ca7b99ccf0 RCX: 00007f7943716b6a
RDX: 0000000000001000 RSI: 000055ca7b993f50 RDI: 000000000000000c
RBP: 000055ca7b99ccf0 R08: 000000000000000c R09: 0000000000000000
R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000003fff R14: 00007ffd98dc6df8 R15: 000000000000000a
INFO: task kworker/u4:5:4377 blocked for more than 143 seconds.
Not tainted 6.1.119-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:5 state:D stack:21752 pid:4377 ppid:2 flags:0x00004000
Workqueue: nfc2_nci_cmd_wq nci_cmd_work
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
virtual_nci_send+0x1c/0xd0 drivers/nfc/virtual_ncidev.c:54
nci_cmd_work+0xa4/0x2a0 net/nfc/nci/core.c:1589
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
INFO: task syz.0.3120:15477 blocked for more than 143 seconds.
Not tainted 6.1.119-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.3120 state:D stack:25832 pid:15477 ppid:14780 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
device_lock include/linux/device.h:837 [inline]
nfc_register_device+0x98/0x310 net/nfc/core.c:1128
nci_register_device+0x7be/0x900 net/nfc/nci/core.c:1265
virtual_ncidev_open+0x55/0xc0 drivers/nfc/virtual_ncidev.c:150
misc_open+0x304/0x380 drivers/char/misc.c:143
chrdev_open+0x54a/0x630 fs/char_dev.c:414
do_dentry_open+0x7f9/0x10f0 fs/open.c:882
do_open fs/namei.c:3626 [inline]
path_openat+0x2644/0x2e60 fs/namei.c:3783
do_filp_open+0x230/0x480 fs/namei.c:3810
do_sys_openat2+0x13b/0x4f0 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fac76d7e919
RSP: 002b:00007fac77af8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fac76f35fa0 RCX: 00007fac76d7e919
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fac76df197e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fac76f35fa0 R15: 00007fff764920d8
INFO: task syz.0.3120:15488 blocked for more than 144 seconds.
Not tainted 6.1.119-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.3120 state:D stack:25600 pid:15488 ppid:14780 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
virtual_nci_close+0x13/0x40 drivers/nfc/virtual_ncidev.c:44
nci_open_device net/nfc/nci/core.c:544 [inline]
nci_dev_up+0x954/0xd40 net/nfc/nci/core.c:631
nfc_dev_up+0x185/0x330 net/nfc/core.c:118
nfc_genl_dev_up+0x80/0xd0 net/nfc/netlink.c:770
genl_family_rcv_msg_doit net/netlink/genetlink.c:756 [inline]
genl_family_rcv_msg net/netlink/genetlink.c:833 [inline]
genl_rcv_msg+0xc1a/0xf70 net/netlink/genetlink.c:850
netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2493
genl_rcv+0x24/0x40 net/netlink/genetlink.c:861
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1337
netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
____sys_sendmsg+0x5a5/0x8f0 net/socket.c:2519
___sys_sendmsg net/socket.c:2573 [inline]
__sys_sendmsg+0x2a9/0x390 net/socket.c:2602
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fac76d7e919
RSP: 002b:00007fac77ad7038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fac76f36080 RCX: 00007fac76d7e919
RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000005
RBP: 00007fac76df197e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fac76f36080 R15: 00007fff764920d8
INFO: task syz.4.3314:15481 blocked for more than 144 seconds.
Not tainted 6.1.119-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.3314 state:D stack:27560 pid:15481 ppid:4392 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
misc_open+0x58/0x380 drivers/char/misc.c:107
chrdev_open+0x54a/0x630 fs/char_dev.c:414
do_dentry_open+0x7f9/0x10f0 fs/open.c:882
do_open fs/namei.c:3626 [inline]
path_openat+0x2644/0x2e60 fs/namei.c:3783
do_filp_open+0x230/0x480 fs/namei.c:3810
do_sys_openat2+0x13b/0x4f0 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb1bc57e919
RSP: 002b:00007fb1bd389038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fb1bc735fa0 RCX: 00007fb1bc57e919
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fb1bc5f197e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb1bc735fa0 R15: 00007ffee5bdb3f8
INFO: task syz.4.3314:15489 blocked for more than 144 seconds.
Not tainted 6.1.119-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.3314 state:D stack:27192 pid:15489 ppid:4392 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
genl_lock net/netlink/genetlink.c:33 [inline]
genl_rcv_msg+0x125/0xf70 net/netlink/genetlink.c:848
netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2493
genl_rcv+0x24/0x40 net/netlink/genetlink.c:861
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1337
netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x480/0x600 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__x64_sys_sendto+0xda/0xf0 net/socket.c:2161
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fb1bc5807ac
RSP: 002b:00007fb1bd366ec0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fb1bd366fc0 RCX: 00007fb1bc5807ac
RDX: 000000000000001c RSI: 00007fb1bd367010 RDI: 0000000000000006
RBP: 0000000000000000 R08: 00007fb1bd366f14 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006
R13: 00007fb1bd366f68 R14: 00007fb1bd367010 R15: 0000000000000000
INFO: task syz.2.3313:15486 blocked for more than 145 seconds.
Not tainted 6.1.119-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.3313 state:D stack:27560 pid:15486 ppid:14298 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
misc_open+0x58/0x380 drivers/char/misc.c:107
chrdev_open+0x54a/0x630 fs/char_dev.c:414
do_dentry_open+0x7f9/0x10f0 fs/open.c:882
do_open fs/namei.c:3626 [inline]
path_openat+0x2644/0x2e60 fs/namei.c:3783
do_filp_open+0x230/0x480 fs/namei.c:3810
do_sys_openat2+0x13b/0x4f0 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f44c1b7e919
RSP: 002b:00007f44c2a1d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f44c1d35fa0 RCX: 00007f44c1b7e919
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007f44c1bf197e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f44c1d35fa0 R15: 00007fff832148a8
INFO: task syz.2.3313:15490 blocked for more than 145 seconds.
Not tainted 6.1.119-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.3313 state:D stack:27272 pid:15490 ppid:14298 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
genl_lock net/netlink/genetlink.c:33 [inline]
genl_rcv_msg+0x125/0xf70 net/netlink/genetlink.c:848
netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2493
genl_rcv+0x24/0x40 net/netlink/genetlink.c:861
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1337
netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x480/0x600 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__x64_sys_sendto+0xda/0xf0 net/socket.c:2161
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f44c1b807ac
RSP: 002b:00007f44c29faec0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f44c29fafc0 RCX: 00007f44c1b807ac
RDX: 000000000000001c RSI: 00007f44c29fb010 RDI: 0000000000000006
RBP: 0000000000000000 R08: 00007f44c29faf14 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006
R13: 00007f44c29faf68 R14: 00007f44c29fb010 R15: 0000000000000000
INFO: task syz.1.3312:15487 blocked for more than 145 seconds.
Not tainted 6.1.119-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.3312 state:D stack:27560 pid:15487 ppid:4380 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
misc_open+0x58/0x380 drivers/char/misc.c:107
chrdev_open+0x54a/0x630 fs/char_dev.c:414
do_dentry_open+0x7f9/0x10f0 fs/open.c:882
do_open fs/namei.c:3626 [inline]
path_openat+0x2644/0x2e60 fs/namei.c:3783
do_filp_open+0x230/0x480 fs/namei.c:3810
do_sys_openat2+0x13b/0x4f0 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f4028b7e919
RSP: 002b:00007f4029a3f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f4028d35fa0 RCX: 00007f4028b7e919
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007f4028bf197e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4028d35fa0 R15: 00007fffd4801ac8
INFO: task syz.1.3312:15491 blocked for more than 145 seconds.
Not tainted 6.1.119-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.3312 state:D stack:27192 pid:15491 ppid:4380 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5241 [inline]
__schedule+0x143f/0x4570 kernel/sched/core.c:6558
schedule+0xbf/0x180 kernel/sched/core.c:6634
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
genl_lock net/netlink/genetlink.c:33 [inline]
genl_rcv_msg+0x125/0xf70 net/netlink/genetlink.c:848
netlink_rcv_skb+0x1cd/0x410 net/netlink/af_netlink.c:2493
genl_rcv+0x24/0x40 net/netlink/genetlink.c:861
netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline]
netlink_unicast+0x7d8/0x970 net/netlink/af_netlink.c:1337
netlink_sendmsg+0xa26/0xd60 net/netlink/af_netlink.c:1859
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:730 [inline]
__sys_sendto+0x480/0x600 net/socket.c:2153
__do_sys_sendto net/socket.c:2165 [inline]
__se_sys_sendto net/socket.c:2161 [inline]
__x64_sys_sendto+0xda/0xf0 net/socket.c:2161
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f4028b807ac
RSP: 002b:00007f4029a1cec0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f4029a1cfc0 RCX: 00007f4028b807ac
RDX: 000000000000001c RSI: 00007f4029a1d010 RDI: 0000000000000006
RBP: 0000000000000000 R08: 00007f4029a1cf14 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000006
R13: 00007f4029a1cf68 R14: 00007f4029a1d010 R15: 0000000000000000
Showing all locks held in the system:
1 lock held by rcu_tasks_kthre/12:
#0: ffffffff8d32b110 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
#0: ffffffff8d32b910 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 kernel/rcu/tasks.h:517
1 lock held by khungtaskd/28:
#0: ffffffff8d32af40 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
#0: ffffffff8d32af40 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
#0: ffffffff8d32af40 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6510
5 locks held by kworker/u4:4/75:
no locks held by klogd/3611.
4 locks held by udevd/3622:
#0: ffff88801cf71668 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xae/0xd10 fs/seq_file.c:182
#1: ffff88805f689c88 (&of->mutex){+.+.}-{3:3}, at: kernfs_seq_start+0x4f/0x3a0 fs/kernfs/file.c:154
#2: ffff8880600a0cb8 (kn->active#5){++++}-{0:0}, at: kernfs_seq_start+0x6e/0x3a0 fs/kernfs/file.c:155
#3: ffff88801cf31100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#3: ffff88801cf31100 (&dev->mutex){....}-{3:3}, at: uevent_show+0x176/0x330 drivers/base/core.c:2661
2 locks held by getty/4014:
#0: ffff88814c861098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
#1: ffffc9000325e2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 drivers/tty/n_tty.c:2198
3 locks held by kworker/u4:5/4377:
#0: ffff888077912938 ((wq_completion)nfc2_nci_cmd_wq){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#1: ffffc90003367d20 ((work_completion)(&ndev->cmd_work)){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0 kernel/workqueue.c:2267
#2: ffffffff8dbec9a8 (nci_mutex){+.+.}-{3:3}, at: virtual_nci_send+0x1c/0xd0 drivers/nfc/virtual_ncidev.c:54
3 locks held by syz.0.3120/15477:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
#1: ffffffff8dbec9a8 (nci_mutex){+.+.}-{3:3}, at: virtual_ncidev_open+0x15/0xc0 drivers/nfc/virtual_ncidev.c:137
#2: ffff88801cf31100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#2: ffff88801cf31100 (&dev->mutex){....}-{3:3}, at: nfc_register_device+0x98/0x310 net/nfc/core.c:1128
5 locks held by syz.0.3120/15488:
#0: ffffffff8e569790 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860
#1: ffffffff8e569648 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline]
#1: ffffffff8e569648 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x125/0xf70 net/netlink/genetlink.c:848
#2: ffff88801cf31100 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:837 [inline]
#2: ffff88801cf31100 (&dev->mutex){....}-{3:3}, at: nfc_dev_up+0x3b/0x330 net/nfc/core.c:95
#3: ffff88801cf37350 (&ndev->req_lock){+.+.}-{3:3}, at: nci_open_device net/nfc/nci/core.c:477 [inline]
#3: ffff88801cf37350 (&ndev->req_lock){+.+.}-{3:3}, at: nci_dev_up+0xa0/0xd40 net/nfc/nci/core.c:631
#4: ffffffff8dbec9a8 (nci_mutex){+.+.}-{3:3}, at: virtual_nci_close+0x13/0x40 drivers/nfc/virtual_ncidev.c:44
1 lock held by syz.4.3314/15481:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
2 locks held by syz.4.3314/15489:
#0: ffffffff8e569790 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860
#1: ffffffff8e569648 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline]
#1: ffffffff8e569648 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x125/0xf70 net/netlink/genetlink.c:848
1 lock held by syz.2.3313/15486:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
2 locks held by syz.2.3313/15490:
#0: ffffffff8e569790 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860
#1: ffffffff8e569648 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline]
#1: ffffffff8e569648 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x125/0xf70 net/netlink/genetlink.c:848
1 lock held by syz.1.3312/15487:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
2 locks held by syz.1.3312/15491:
#0: ffffffff8e569790 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:860
#1: ffffffff8e569648 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline]
#1: ffffffff8e569648 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x125/0xf70 net/netlink/genetlink.c:848
1 lock held by syz-executor/15484:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
1 lock held by syz-executor/15499:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
1 lock held by syz-executor/15500:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
1 lock held by syz-executor/15502:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
1 lock held by syz-executor/15503:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
1 lock held by syz-executor/15511:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
1 lock held by syz-executor/15515:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
1 lock held by syz-executor/15517:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
1 lock held by syz-executor/15518:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
1 lock held by syz-executor/15519:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
1 lock held by syz-executor/15521:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
1 lock held by syz-executor/15525:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
1 lock held by syz-executor/15527:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
1 lock held by syz-executor/15528:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
1 lock held by syz-executor/15529:
#0: ffffffff8da902a8 (misc_mtx){+.+.}-{3:3}, at: misc_open+0x58/0x380 drivers/char/misc.c:107
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e1/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1ae/0x3f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xf88/0xfd0 kernel/hung_task.c:377
kthread+0x28d/0x320 kernel/kthread.c:376
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: 14333 Comm: kworker/u4:8 Not tainted 6.1.119-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: phy16 ieee80211_iface_work
RIP: 0010:clear_page_erms+0x7/0x10 arch/x86/lib/clear_page_64.S:50
Code: 48 89 47 18 48 89 47 20 48 89 47 28 48 89 47 30 48 89 47 38 48 8d 7f 40 75 d9 90 c3 0f 1f 80 00 00 00 00 b9 00 10 00 00 31 c0 aa c3 66 0f 1f 44 00 00 89 c8 48 c1 e9 03 74 18 0f 1f 84 00 00
RSP: 0018:ffffc900048a7140 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00000000000001c0
RDX: ffff88802765c000 RSI: 0000000000000004 RDI: ffff88802765ce40
RBP: 0000000000000008 R08: dffffc0000000000 R09: ffffed1004ecb000
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000000000000 R14: ffffea00009d9600 R15: 0000000000152a20
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcb006da28 CR3: 000000000d08e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
clear_page arch/x86/include/asm/page_64.h:58 [inline]
clear_highpage include/linux/highmem.h:242 [inline]
clear_highpage_kasan_tagged include/linux/highmem.h:252 [inline]
kernel_init_pages mm/page_alloc.c:1381 [inline]
post_alloc_hook+0x145/0x1b0 mm/page_alloc.c:2512
prep_new_page mm/page_alloc.c:2524 [inline]
get_page_from_freelist+0x3731/0x38d0 mm/page_alloc.c:4313
__alloc_pages+0x28d/0x770 mm/page_alloc.c:5590
alloc_slab_page+0x6a/0x150 mm/slub.c:1794
allocate_slab mm/slub.c:1939 [inline]
new_slab+0x84/0x2d0 mm/slub.c:1992
___slab_alloc+0xc20/0x1270 mm/slub.c:3180
__slab_alloc mm/slub.c:3279 [inline]
slab_alloc_node mm/slub.c:3364 [inline]
__kmem_cache_alloc_node+0x19f/0x260 mm/slub.c:3437
__do_kmalloc_node mm/slab_common.c:935 [inline]
__kmalloc+0xa1/0x230 mm/slab_common.c:949
kmalloc include/linux/slab.h:562 [inline]
kzalloc include/linux/slab.h:693 [inline]
ieee802_11_parse_elems_full+0xc4/0x1380 net/mac80211/util.c:1503
ieee802_11_parse_elems_crc net/mac80211/ieee80211_i.h:2248 [inline]
ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2255 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1605 [inline]
ieee80211_ibss_rx_queued_mgmt+0x430/0x2dd0 net/mac80211/ibss.c:1638
ieee80211_iface_process_skb net/mac80211/iface.c:1668 [inline]
ieee80211_iface_work+0x7aa/0xce0 net/mac80211/iface.c:1722
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295