INFO: task syz-executor.2:7991 blocked for more than 143 seconds.
Not tainted 6.5.0-syzkaller-01207-g1c59d383390f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:24584 pid:7991 ppid:5408 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
jfs_flush_journal+0x733/0xec0 fs/jfs/jfs_logmgr.c:1564
jfs_sync_fs+0x80/0xa0 fs/jfs/super.c:684
dquot_quota_sync+0xdb/0x490 fs/quota/dquot.c:704
iterate_supers+0xc2/0x180 fs/super.c:958
quota_sync_all fs/quota/quota.c:69 [inline]
__do_sys_quotactl fs/quota/quota.c:938 [inline]
__se_sys_quotactl+0x391/0xa30 fs/quota/quota.c:917
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdb4aa7cae9
RSP: 002b:00007fdb4b85d0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007fdb4ab9bf80 RCX: 00007fdb4aa7cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000101
RBP: 00007fdb4aac847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fdb4ab9bf80 R15: 00007ffd96aa18f8
INFO: task syz-executor.2:8002 blocked for more than 143 seconds.
Not tainted 6.5.0-syzkaller-01207-g1c59d383390f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:25896 pid:8002 ppid:5408 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
rwsem_down_write_slowpath+0xedd/0x13a0 kernel/locking/rwsem.c:1178
__down_write_common+0x1aa/0x200 kernel/locking/rwsem.c:1306
do_remount fs/namespace.c:2879 [inline]
path_mount+0xbdd/0xfa0 fs/namespace.c:3654
do_mount fs/namespace.c:3675 [inline]
__do_sys_mount fs/namespace.c:3884 [inline]
__se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fdb4aa7e1ea
RSP: 002b:00007fdb4b83bee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fdb4b83bf80 RCX: 00007fdb4aa7e1ea
RDX: 0000000020000180 RSI: 0000000020000100 RDI: 0000000000000000
RBP: 0000000020000180 R08: 00007fdb4b83bf80 R09: 0000000001a404ac
R10: 0000000001a404ac R11: 0000000000000246 R12: 0000000020000100
R13: 00007fdb4b83bf40 R14: 0000000000000000 R15: 0000000020003600
INFO: task syz-executor.4:7995 blocked for more than 144 seconds.
Not tainted 6.5.0-syzkaller-01207-g1c59d383390f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:24584 pid:7995 ppid:5397 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
rwsem_down_read_slowpath+0x5f4/0x950 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x9c/0x2f0 kernel/locking/rwsem.c:1522
__super_lock fs/super.c:58 [inline]
super_lock+0x176/0x390 fs/super.c:117
super_lock_shared fs/super.c:146 [inline]
iterate_supers+0x8c/0x180 fs/super.c:956
quota_sync_all fs/quota/quota.c:69 [inline]
__do_sys_quotactl fs/quota/quota.c:938 [inline]
__se_sys_quotactl+0x391/0xa30 fs/quota/quota.c:917
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f2ce527cae9
RSP: 002b:00007f2ce5ef40c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007f2ce539bf80 RCX: 00007f2ce527cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000101
RBP: 00007f2ce52c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f2ce539bf80 R15: 00007ffcaa3b89c8
INFO: task syz-executor.0:7998 blocked for more than 144 seconds.
Not tainted 6.5.0-syzkaller-01207-g1c59d383390f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:24584 pid:7998 ppid:5392 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
rwsem_down_read_slowpath+0x5f4/0x950 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x9c/0x2f0 kernel/locking/rwsem.c:1522
__super_lock fs/super.c:58 [inline]
super_lock+0x176/0x390 fs/super.c:117
super_lock_shared fs/super.c:146 [inline]
iterate_supers+0x8c/0x180 fs/super.c:956
quota_sync_all fs/quota/quota.c:69 [inline]
__do_sys_quotactl fs/quota/quota.c:938 [inline]
__se_sys_quotactl+0x391/0xa30 fs/quota/quota.c:917
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f714dc7cae9
RSP: 002b:00007f714eabb0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007f714dd9bf80 RCX: 00007f714dc7cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000101
RBP: 00007f714dcc847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f714dd9bf80 R15: 00007ffeb590f118
INFO: task syz-executor.1:8005 blocked for more than 145 seconds.
Not tainted 6.5.0-syzkaller-01207-g1c59d383390f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1 state:D stack:24584 pid:8005 ppid:5388 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
rwsem_down_read_slowpath+0x5f4/0x950 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x9c/0x2f0 kernel/locking/rwsem.c:1522
__super_lock fs/super.c:58 [inline]
super_lock+0x176/0x390 fs/super.c:117
super_lock_shared fs/super.c:146 [inline]
iterate_supers+0x8c/0x180 fs/super.c:956
quota_sync_all fs/quota/quota.c:69 [inline]
__do_sys_quotactl fs/quota/quota.c:938 [inline]
__se_sys_quotactl+0x391/0xa30 fs/quota/quota.c:917
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f74a107cae9
RSP: 002b:00007f74a1dfb0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007f74a119bf80 RCX: 00007f74a107cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000101
RBP: 00007f74a10c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f74a119bf80 R15: 00007fff739e2468
INFO: task syz-executor.3:8006 blocked for more than 145 seconds.
Not tainted 6.5.0-syzkaller-01207-g1c59d383390f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3 state:D stack:23368 pid:8006 ppid:5391 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
rwsem_down_read_slowpath+0x5f4/0x950 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x9c/0x2f0 kernel/locking/rwsem.c:1522
__super_lock fs/super.c:58 [inline]
super_lock+0x176/0x390 fs/super.c:117
super_lock_shared fs/super.c:146 [inline]
iterate_supers+0x8c/0x180 fs/super.c:956
quota_sync_all fs/quota/quota.c:69 [inline]
__do_sys_quotactl fs/quota/quota.c:938 [inline]
__se_sys_quotactl+0x391/0xa30 fs/quota/quota.c:917
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f7e0f67cae9
RSP: 002b:00007f7e103670c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007f7e0f79bf80 RCX: 00007f7e0f67cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000101
RBP: 00007f7e0f6c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7e0f79bf80 R15: 00007fff0361a8d8
INFO: task syz-executor.5:8008 blocked for more than 146 seconds.
Not tainted 6.5.0-syzkaller-01207-g1c59d383390f #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:24584 pid:8008 ppid:5405 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5382 [inline]
__schedule+0x1873/0x48f0 kernel/sched/core.c:6695
schedule+0xc3/0x180 kernel/sched/core.c:6771
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
rwsem_down_read_slowpath+0x5f4/0x950 kernel/locking/rwsem.c:1086
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x9c/0x2f0 kernel/locking/rwsem.c:1522
__super_lock fs/super.c:58 [inline]
super_lock+0x176/0x390 fs/super.c:117
super_lock_shared fs/super.c:146 [inline]
iterate_supers+0x8c/0x180 fs/super.c:956
quota_sync_all fs/quota/quota.c:69 [inline]
__do_sys_quotactl fs/quota/quota.c:938 [inline]
__se_sys_quotactl+0x391/0xa30 fs/quota/quota.c:917
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fcba987cae9
RSP: 002b:00007fcbaa5f20c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3
RAX: ffffffffffffffda RBX: 00007fcba999bf80 RCX: 00007fcba987cae9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff80000101
RBP: 00007fcba98c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fcba999bf80 R15: 00007ffd28f39758
Showing all locks held in the system:
3 locks held by kworker/0:0/7:
#0: ffff88814571b538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc900000c7d00
((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffffffff8e4bf248 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16b0 net/ipv6/addrconf.c:4093
3 locks held by kworker/0:1/8:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffff8880b98287c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:999
#2: ffff888020394580 (&p->pi_lock){-.-.}-{2:2}, at: class_raw_spinlock_irqsave_constructor include/linux/spinlock.h:518 [inline]
#2: ffff888020394580 (&p->pi_lock){-.-.}-{2:2}, at: try_to_wake_up+0xb2/0x12f0 kernel/sched/core.c:4230
2 locks held by kworker/1:0/22:
#0: ffff888012872538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc900001c7d00 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
1 lock held by khungtaskd/28:
#0: ffffffff8d329fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
2 locks held by kworker/u4:7/2448:
3 locks held by kworker/1:3/4762:
#0: ffff888012870d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc9000367fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffff88807a9bb240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 drivers/net/netdevsim/fib.c:1489
2 locks held by getty/4773:
#0: ffff888028c31098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900015d02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0 drivers/tty/n_tty.c:2187
3 locks held by kworker/0:4/5041:
#0: ffff88814571b538 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7e3/0x12c0 kernel/workqueue.c:2572
#1: ffffc9000413fd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work+0x82b/0x12c0 kernel/workqueue.c:2574
#2: ffffffff8e4bf248 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16b0 net/ipv6/addrconf.c:4093
1 lock held by syz-executor.2/7991:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.2/8002:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: do_remount fs/namespace.c:2879 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: path_mount+0xbdd/0xfa0 fs/namespace.c:3654
1 lock held by syz-executor.4/7995:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.0/7998:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.1/8005:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.3/8006:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.5/8008:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.2/8093:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.4/8098:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.1/8115:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.3/8124:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.0/8126:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.5/8130:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.2/8157:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.4/8189:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.1/8223:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.3/8234:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.0/8245:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
1 lock held by syz-executor.5/8249:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
7 locks held by syz-executor268/8254:
#0: ffff88801b818410 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x216/0xaf0 fs/read_write.c:580
#1: ffff8880637bb088 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x4f0 fs/kernfs/file.c:325
#2: ffff88802260bcb8 (kn->active#51){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x4f0 fs/kernfs/file.c:326
#3: ffffffff8de2ad28 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xfc/0x480 drivers/net/netdevsim/bus.c:209
#4: ffff88805d22d0e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:958 [inline]
#4: ffff88805d22d0e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1093 [inline]
#4: ffff88805d22d0e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xce/0x7a0 drivers/base/dd.c:1290
#5: ffff88805d22e250 (&devlink->lock_key#18){+.+.}-{3:3}, at: nsim_drv_remove+0x50/0x160 drivers/net/netdevsim/dev.c:1672
#6: ffffffff8d32f978 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:293 [inline]
#6: ffffffff8d32f978 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3a3/0x890 kernel/rcu/tree_exp.h:992
4 locks held by syz-executor268/8258:
#0: ffff88801b818410 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x216/0xaf0 fs/read_write.c:580
#1: ffff888076779888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x4f0 fs/kernfs/file.c:325
#2: ffff88802260bbd0 (kn->active#52){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x4f0 fs/kernfs/file.c:326
#3: ffffffff8de2ad28 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: new_device_store+0x1b1/0x800 drivers/net/netdevsim/bus.c:160
1 lock held by syz-executor268/8260:
#0: ffffffff8e4bf248 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e4bf248 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7d4/0xf50 net/core/rtnetlink.c:6442
4 locks held by syz-executor268/8262:
#0: ffff88801b818410 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x216/0xaf0 fs/read_write.c:580
#1: ffff88801b9ebc88 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1eb/0x4f0 fs/kernfs/file.c:325
#2: ffff88802260bbd0 (kn->active#52){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x20f/0x4f0 fs/kernfs/file.c:326
#3: ffffffff8de2ad28 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: new_device_store+0x1b1/0x800 drivers/net/netdevsim/bus.c:160
3 locks held by syz-executor268/8263:
#0: ffffffff8e4bf248 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:78 [inline]
#0: ffffffff8e4bf248 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x7d4/0xf50 net/core/rtnetlink.c:6442
#1: ffff88804d6e93e8 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_open+0x228/0x410 drivers/net/wireguard/device.c:50
#2: ffffffff8d32f978 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
#2: ffffffff8d32f978 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x46c/0x890 kernel/rcu/tree_exp.h:992
1 lock held by syz-executor268/8305:
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline]
#0: ffff88802a82a0e0 (&type->s_umount_key#54){++++}-{3:3}, at: super_lock+0x176/0x390 fs/super.c:117
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-syzkaller-01207-g1c59d383390f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x187/0x300 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+0xdf2/0xe30 kernel/hung_task.c:379
kthread+0x2b8/0x350 kernel/kthread.c:389
ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1082 Comm: kworker/u4:6 Not tainted 6.5.0-syzkaller-01207-g1c59d383390f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline]
RIP: 0010:rcu_is_watching+0x3a/0xb0 kernel/rcu/tree.c:699
Code: e8 ab fe 48 09 89 c3 83 f8 08 73 76 49 bf 00 00 00 00 00 fc ff df 4c 8d 34 dd 00 19 c9 8c 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 <74> 08 4c 89 f7 e8 9c 2c 70 00 48 c7 c3 48 6b 03 00 49 03 1e 48 89
RSP: 0018:ffffc9000501fa60 EFLAGS: 00000246
RAX: 1ffffffff1992321 RBX: 0000000000000001 RCX: ffffffff816bda80
RDX: 0000000000000000 RSI: ffffffff8b58fe60 RDI: ffffffff8b58fe20
RBP: ffffc9000501fba8 R08: ffffffff8e98b22f R09: 1ffffffff1d31645
R10: dffffc0000000000 R11: fffffbfff1d31646 R12: 1ffff92000a03f5c
R13: ffffffff8a8e1f15 R14: ffffffff8cc91908 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557a594bd4b8 CR3: 000000004a657000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
trace_lock_release include/trace/events/lock.h:69 [inline]
lock_release+0xbf/0x9d0 kernel/locking/lockdep.c:5772
rcu_read_unlock include/linux/rcupdate.h:782 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline]
batadv_nc_worker+0x23d/0x5c0 net/batman-adv/network-coding.c:719
process_one_work+0x92c/0x12c0 kernel/workqueue.c:2600
worker_thread+0xa63/0x1210 kernel/workqueue.c:2751
kthread+0x2b8/0x350 kernel/kthread.c:389
ret_from_fork+0x2e/0x60 arch/x86/kernel/process.c:145
ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304