INFO: task syz.4.35:6159 blocked for more than 143 seconds.
Not tainted 6.13.0-rc6-syzkaller-00290-gbe548645527a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.35 state:D stack:27360 pid:6159 tgid:6138 ppid:5824 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
inode_lock include/linux/fs.h:818 [inline]
open_last_lookups fs/namei.c:3745 [inline]
path_openat+0x89a/0x3590 fs/namei.c:3984
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1428
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: 0033:0x7efe3a985d29
RSP: 002b:00007efe3b792038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007efe3ab76080 RCX: 00007efe3a985d29
RDX: 000000000000275a RSI: 0000000020000100 RDI: ffffffffffffff9c
RBP: 00007efe3aa01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007efe3ab76080 R15: 00007ffc8dd78438
INFO: task syz.4.35:6161 blocked for more than 143 seconds.
Not tainted 6.13.0-rc6-syzkaller-00290-gbe548645527a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.35 state:D stack:25904 pid:6161 tgid:6138 ppid:5824 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
inode_lock include/linux/fs.h:818 [inline]
open_last_lookups fs/namei.c:3745 [inline]
path_openat+0x89a/0x3590 fs/namei.c:3984
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_open fs/open.c:1425 [inline]
__se_sys_open fs/open.c:1421 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1421
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: 0033:0x7efe3a985d29
RSP: 002b:00007efe3b771038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007efe3ab76160 RCX: 00007efe3a985d29
RDX: 0000000000000000 RSI: 000000000014927e RDI: 0000000020000180
RBP: 00007efe3aa01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efe3ab76160 R15: 00007ffc8dd78438
INFO: task syz.4.35:6175 blocked for more than 143 seconds.
Not tainted 6.13.0-rc6-syzkaller-00290-gbe548645527a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.35 state:D stack:23840 pid:6175 tgid:6138 ppid:5824 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
inode_lock_shared include/linux/fs.h:828 [inline]
lookup_slow+0x45/0x70 fs/namei.c:1807
walk_component fs/namei.c:2112 [inline]
link_path_walk+0x99b/0xea0 fs/namei.c:2477
path_openat+0x266/0x3590 fs/namei.c:3983
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1428
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: 0033:0x7efe3a985d29
RSP: 002b:00007efe3b750038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007efe3ab76240 RCX: 00007efe3a985d29
RDX: 0000000000000802 RSI: 00000000200001c0 RDI: ffffffffffffff9c
RBP: 00007efe3aa01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efe3ab76240 R15: 00007ffc8dd78438
INFO: task syz.4.35:6176 blocked for more than 144 seconds.
Not tainted 6.13.0-rc6-syzkaller-00290-gbe548645527a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.35 state:D stack:27360 pid:6176 tgid:6138 ppid:5824 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write_nested+0x1e0/0x220 kernel/locking/rwsem.c:1694
inode_lock_nested include/linux/fs.h:853 [inline]
filename_create+0x260/0x540 fs/namei.c:4080
do_mkdirat+0xbd/0x3a0 fs/namei.c:4326
__do_sys_mkdirat fs/namei.c:4349 [inline]
__se_sys_mkdirat fs/namei.c:4347 [inline]
__x64_sys_mkdirat+0x87/0xa0 fs/namei.c:4347
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: 0033:0x7efe3a985d29
RSP: 002b:00007efe3b72f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007efe3ab76320 RCX: 00007efe3a985d29
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000008
RBP: 00007efe3aa01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007efe3ab76320 R15: 00007ffc8dd78438
INFO: task syz.4.35:6179 blocked for more than 144 seconds.
Not tainted 6.13.0-rc6-syzkaller-00290-gbe548645527a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.35 state:D stack:27360 pid:6179 tgid:6138 ppid:5824 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
inode_lock_shared include/linux/fs.h:828 [inline]
lookup_slow+0x45/0x70 fs/namei.c:1807
walk_component fs/namei.c:2112 [inline]
link_path_walk+0x99b/0xea0 fs/namei.c:2477
path_parentat fs/namei.c:2681 [inline]
__filename_parentat+0x2a7/0x740 fs/namei.c:2705
filename_parentat fs/namei.c:2723 [inline]
do_renameat2+0x3b8/0x13f0 fs/namei.c:5136
__do_sys_renameat2 fs/namei.c:5258 [inline]
__se_sys_renameat2 fs/namei.c:5255 [inline]
__x64_sys_renameat2+0xce/0xe0 fs/namei.c:5255
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: 0033:0x7efe3a985d29
RSP: 002b:00007efe3b70e038 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007efe3ab76400 RCX: 00007efe3a985d29
RDX: 0000000000000008 RSI: 0000000020000380 RDI: 0000000000000008
RBP: 00007efe3aa01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020000200 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007efe3ab76400 R15: 00007ffc8dd78438
INFO: task syz.4.35:6183 blocked for more than 144 seconds.
Not tainted 6.13.0-rc6-syzkaller-00290-gbe548645527a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.35 state:D stack:27360 pid:6183 tgid:6138 ppid:5824 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1578
inode_lock include/linux/fs.h:818 [inline]
open_last_lookups fs/namei.c:3745 [inline]
path_openat+0x89a/0x3590 fs/namei.c:3984
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_openat fs/open.c:1433 [inline]
__se_sys_openat fs/open.c:1428 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1428
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: 0033:0x7efe3a985d29
RSP: 002b:00007efe3b6ed038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007efe3ab764e0 RCX: 00007efe3a985d29
RDX: 0000000000101042 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007efe3aa01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007efe3ab764e0 R15: 00007ffc8dd78438
INFO: task syz.4.35:6184 blocked for more than 145 seconds.
Not tainted 6.13.0-rc6-syzkaller-00290-gbe548645527a #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.35 state:D stack:27360 pid:6184 tgid:6138 ppid:5824 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5369 [inline]
__schedule+0x17fb/0x4be0 kernel/sched/core.c:6756
__schedule_loop kernel/sched/core.c:6833 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6848
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
rwsem_down_write_slowpath+0xeee/0x13b0 kernel/locking/rwsem.c:1176
__down_write_common kernel/locking/rwsem.c:1304 [inline]
__down_write kernel/locking/rwsem.c:1313 [inline]
down_write_nested+0x1e0/0x220 kernel/locking/rwsem.c:1694
inode_lock_nested include/linux/fs.h:853 [inline]
filename_create+0x260/0x540 fs/namei.c:4080
do_mknodat+0x18b/0x5b0 fs/namei.c:4226
__do_sys_mknod fs/namei.c:4272 [inline]
__se_sys_mknod fs/namei.c:4270 [inline]
__x64_sys_mknod+0x8c/0xa0 fs/namei.c:4270
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: 0033:0x7efe3a985d29
RSP: 002b:00007efe373ec038 EFLAGS: 00000246 ORIG_RAX: 0000000000000085
RAX: ffffffffffffffda RBX: 00007efe3ab765c0 RCX: 00007efe3a985d29
RDX: 0000000000000709 RSI: 0000000000000800 RDI: 0000000020000700
RBP: 00007efe3aa01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efe3ab765c0 R15: 00007ffc8dd78438
Showing all locks held in the system:
1 lock held by pool_workqueue_/3:
#0: ffffffff8e7e3168 (wq_pool_mutex){+.+.}-{4:4}, at: pwq_release_workfn+0x422/0x800 kernel/workqueue.c:5089
1 lock held by khungtaskd/30:
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6744
3 locks held by kworker/0:2/974:
#0: ffff88801ac80948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
#0: ffff88801ac80948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3317
#1: ffffc90003ad7d00 (deferred_process_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
#1: ffffc90003ad7d00 (deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3317
#2: ffffffff8fca0b08 (rtnl_mutex){+.+.}-{4:4}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
2 locks held by getty/5575:
#0: ffff88814e2100a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
2 locks held by kworker/0:5/5875:
#0: ffff8880b863e758 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
#1: ffff8880b8628948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x41d/0x7a0 kernel/sched/psi.c:987
1 lock held by syz-executor/6055:
4 locks held by syz.4.35/6140:
2 locks held by syz.4.35/6159:
#0: ffff888035eb8420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:516
#1: ffff88805ac06708 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#1: ffff88805ac06708 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3745 [inline]
#1: ffff88805ac06708 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: path_openat+0x89a/0x3590 fs/namei.c:3984
2 locks held by syz.4.35/6161:
#0: ffff888035eb8420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:516
#1: ffff88805ac06708 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#1: ffff88805ac06708 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3745 [inline]
#1: ffff88805ac06708 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: path_openat+0x89a/0x3590 fs/namei.c:3984
1 lock held by syz.4.35/6175:
#0: ffff88805ac06708 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:828 [inline]
#0: ffff88805ac06708 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: lookup_slow+0x45/0x70 fs/namei.c:1807
2 locks held by syz.4.35/6176:
#0: ffff888035eb8420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:516
#1: ffff88805ac06708 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:853 [inline]
#1: ffff88805ac06708 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x260/0x540 fs/namei.c:4080
1 lock held by syz.4.35/6179:
#0: ffff88805ac06708 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:828 [inline]
#0: ffff88805ac06708 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: lookup_slow+0x45/0x70 fs/namei.c:1807
2 locks held by syz.4.35/6183:
#0: ffff888035eb8420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:516
#1: ffff88805ac06708 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: inode_lock include/linux/fs.h:818 [inline]
#1: ffff88805ac06708 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: open_last_lookups fs/namei.c:3745 [inline]
#1: ffff88805ac06708 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: path_openat+0x89a/0x3590 fs/namei.c:3984
2 locks held by syz.4.35/6184:
#0: ffff888035eb8420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:516
#1: ffff88805ac06708 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:853 [inline]
#1: ffff88805ac06708 (&type->i_mutex_dir_key#3/1){+.+.}-{4:4}, at: filename_create+0x260/0x540 fs/namei.c:4080
3 locks held by kworker/u8:8/6178:
#0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
#0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3317
#1: ffffc90003e7fd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
#1: ffffc90003e7fd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3317
#2: ffffffff8fca0b08 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:285
5 locks held by kworker/u8:9/6180:
#0: ffff88801baeb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
#0: ffff88801baeb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3317
#1: ffffc9000493fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
#1: ffffc9000493fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3317
#2: ffffffff8fc94650 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x16a/0xd50 net/core/net_namespace.c:602
#3: ffffffff8fca0b08 (rtnl_mutex){+.+.}-{4:4}, at: cleanup_net+0x6af/0xd50 net/core/net_namespace.c:638
#4: ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline]
#4: ffffffff8e93cff8 (rcu_state.exp_mutex){+.+.}-{4:4}, at: synchronize_rcu_expedited+0x381/0x830 kernel/rcu/tree_exp.h:976
3 locks held by kworker/u8:10/6609:
#0: ffff88814cd92148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3211 [inline]
#0: ffff88814cd92148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 kernel/workqueue.c:3317
#1: ffffc900042cfd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3212 [inline]
#1: ffffc900042cfd00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 kernel/workqueue.c:3317
#2: ffffffff8fca0b08 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4215
1 lock held by syz-executor/7539:
#0: ffffffff8fca0b08 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline]
#0: ffffffff8fca0b08 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987
1 lock held by syz.8.170/7639:
2 locks held by syz.9.172/7669:
1 lock held by sed/7676:
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc6-syzkaller-00290-gbe548645527a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
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:234 [inline]
watchdog+0xff6/0x1040 kernel/hung_task.c:397
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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 4497 Comm: kworker/u8:7 Not tainted 6.13.0-rc6-syzkaller-00290-gbe548645527a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4851 [inline]
RIP: 0010:__lock_acquire+0x5bf/0x2100 kernel/locking/lockdep.c:5176
Code: 41 8b 1f 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 80 18 27 94 be 08 00 00 00 e8 b9 91 88 00 48 0f a3 1d 41 5d ac 12 <73> 22 48 69 c3 c8 00 00 00 48 8d 98 40 97 be 93 48 ba 00 00 00 00
RSP: 0018:ffffc9000e426a10 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 0000000000000019 RCX: ffffffff817abb37
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff94271880
RBP: 0000000000000002 R08: ffffffff94271887 R09: 1ffffffff284e310
R10: dffffc0000000000 R11: fffffbfff284e311 R12: ffff88803458e4c4
R13: 0000000000000014 R14: 1ffff110068b1cb4 R15: ffff88803458e5a0
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd70a1d0378 CR3: 000000005788a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock_sched include/linux/rcupdate.h:941 [inline]
pfn_valid include/linux/mmzone.h:2048 [inline]
__virt_addr_valid+0x1a0/0x530 arch/x86/mm/physaddr.c:65
kasan_addr_to_slab+0xd/0x80 mm/kasan/common.c:37
__kasan_record_aux_stack+0x11/0xc0 mm/kasan/generic.c:529
kvfree_call_rcu+0xfc/0x790 kernel/rcu/tree.c:3820
cfg80211_update_known_bss+0xb45/0x1590 net/wireless/scan.c:1892
__cfg80211_bss_update+0x153/0x2030 net/wireless/scan.c:1939
cfg80211_inform_single_bss_data+0xd82/0x2070 net/wireless/scan.c:2330
cfg80211_inform_bss_data+0x3ce/0x5e80 net/wireless/scan.c:3189
cfg80211_inform_bss_frame_data+0x3bb/0x720 net/wireless/scan.c:3284
ieee80211_bss_info_update+0x8a7/0xbc0 net/mac80211/scan.c:226
ieee80211_rx_bss_info net/mac80211/ibss.c:1101 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1580 [inline]
ieee80211_ibss_rx_queued_mgmt+0x1969/0x2d70 net/mac80211/ibss.c:1607
ieee80211_iface_process_skb net/mac80211/iface.c:1613 [inline]
ieee80211_iface_work+0x8a5/0xf20 net/mac80211/iface.c:1667
cfg80211_wiphy_work+0x2db/0x480 net/wireless/core.c:440
process_one_work kernel/workqueue.c:3236 [inline]
process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3317
worker_thread+0x870/0xd30 kernel/workqueue.c:3398
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