INFO: task syz.2.19:5422 blocked for more than 143 seconds.
Not tainted 6.11.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.19 state:D stack:27360 pid:5422 tgid:5403 ppid:5220 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write_nested+0x1e0/0x220 kernel/locking/rwsem.c:1696
inode_lock_nested include/linux/fs.h:834 [inline]
lock_two_directories+0x16f/0x220 fs/namei.c:3118
lock_rename fs/namei.c:3152 [inline]
do_renameat2+0x5da/0x13f0 fs/namei.c:5058
__do_sys_renameat2 fs/namei.c:5157 [inline]
__se_sys_renameat2 fs/namei.c:5154 [inline]
__x64_sys_renameat2+0xce/0xe0 fs/namei.c:5154
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: 0033:0x7f34c5f779f9
RSP: 002b:00007f34c6ca4048 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
RAX: ffffffffffffffda RBX: 00007f34c6106058 RCX: 00007f34c5f779f9
RDX: 0000000000000008 RSI: 0000000020000000 RDI: 0000000000000007
RBP: 00007f34c5fe58ee R08: 0000000000000002 R09: 0000000000000000
R10: 00000000200004c0 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f34c6106058 R15: 00007fffe2414f48
INFO: task syz.2.19:5423 blocked for more than 144 seconds.
Not tainted 6.11.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.19 state:D stack:27424 pid:5423 tgid:5403 ppid:5220 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write_nested+0x1e0/0x220 kernel/locking/rwsem.c:1696
inode_lock_nested include/linux/fs.h:834 [inline]
do_rmdir+0x263/0x580 fs/namei.c:4340
__do_sys_rmdir fs/namei.c:4371 [inline]
__se_sys_rmdir fs/namei.c:4369 [inline]
__x64_sys_rmdir+0x47/0x50 fs/namei.c:4369
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: 0033:0x7f34c5f779f9
RSP: 002b:00007f34c6c83048 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007f34c6106130 RCX: 00007f34c5f779f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020005a40
RBP: 00007f34c5fe58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f34c6106130 R15: 00007fffe2414f48
INFO: task syz.2.19:5427 blocked for more than 144 seconds.
Not tainted 6.11.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.19 state:D stack:25848 pid:5427 tgid:5403 ppid:5220 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write+0x1d7/0x220 kernel/locking/rwsem.c:1580
inode_lock include/linux/fs.h:799 [inline]
open_last_lookups fs/namei.c:3644 [inline]
path_openat+0x7fb/0x3470 fs/namei.c:3883
do_filp_open+0x235/0x490 fs/namei.c:3913
do_sys_openat2+0x13e/0x1d0 fs/open.c:1416
do_sys_open fs/open.c:1431 [inline]
__do_sys_creat fs/open.c:1507 [inline]
__se_sys_creat fs/open.c:1501 [inline]
__x64_sys_creat+0x123/0x170 fs/open.c:1501
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: 0033:0x7f34c5f779f9
RSP: 002b:00007f34c6c62048 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f34c6106208 RCX: 00007f34c5f779f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040
RBP: 00007f34c5fe58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f34c6106208 R15: 00007fffe2414f48
INFO: task syz.2.19:5431 blocked for more than 145 seconds.
Not tainted 6.11.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.19 state:D stack:27424 pid:5431 tgid:5403 ppid:5220 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
rwsem_down_read_slowpath kernel/locking/rwsem.c:1086 [inline]
__down_read_common kernel/locking/rwsem.c:1250 [inline]
__down_read kernel/locking/rwsem.c:1263 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1528
inode_lock_shared include/linux/fs.h:809 [inline]
lookup_slow+0x45/0x70 fs/namei.c:1734
walk_component+0x2e1/0x410 fs/namei.c:2039
lookup_last fs/namei.c:2542 [inline]
path_lookupat+0x16f/0x450 fs/namei.c:2566
filename_lookup+0x256/0x610 fs/namei.c:2595
user_path_at+0x3a/0x60 fs/namei.c:3002
__do_sys_chdir fs/open.c:562 [inline]
__se_sys_chdir+0xbc/0x220 fs/open.c:556
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: 0033:0x7f34c5f779f9
RSP: 002b:00007f34c59ff048 EFLAGS: 00000246 ORIG_RAX: 0000000000000050
RAX: ffffffffffffffda RBX: 00007f34c61062e0 RCX: 00007f34c5f779f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0
RBP: 00007f34c5fe58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f34c61062e0 R15: 00007fffe2414f48
INFO: task syz.2.19:5437 blocked for more than 145 seconds.
Not tainted 6.11.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.19 state:D stack:26208 pid:5437 tgid:5403 ppid:5220 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write_nested+0x1e0/0x220 kernel/locking/rwsem.c:1696
inode_lock_nested include/linux/fs.h:834 [inline]
do_unlinkat+0x26a/0x830 fs/namei.c:4473
__do_sys_unlink fs/namei.c:4534 [inline]
__se_sys_unlink fs/namei.c:4532 [inline]
__x64_sys_unlink+0x47/0x50 fs/namei.c:4532
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: 0033:0x7f34c5f779f9
RSP: 002b:00007f34c59de048 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 00007f34c61063b8 RCX: 00007f34c5f779f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 00007f34c5fe58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f34c61063b8 R15: 00007fffe2414f48
INFO: task syz.2.19:5439 blocked for more than 146 seconds.
Not tainted 6.11.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.19 state:D stack:27424 pid:5439 tgid:5403 ppid:5220 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5188 [inline]
__schedule+0x17ae/0x4a10 kernel/sched/core.c:6529
__schedule_loop kernel/sched/core.c:6606 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6621
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
rwsem_down_write_slowpath+0xeeb/0x13b0 kernel/locking/rwsem.c:1178
__down_write_common kernel/locking/rwsem.c:1306 [inline]
__down_write kernel/locking/rwsem.c:1315 [inline]
down_write_nested+0x1e0/0x220 kernel/locking/rwsem.c:1696
inode_lock_nested include/linux/fs.h:834 [inline]
lock_rename fs/namei.c:3147 [inline]
do_renameat2+0x62c/0x13f0 fs/namei.c:5058
__do_sys_rename fs/namei.c:5170 [inline]
__se_sys_rename fs/namei.c:5168 [inline]
__x64_sys_rename+0x82/0x90 fs/namei.c:5168
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: 0033:0x7f34c5f779f9
RSP: 002b:00007f34c59bd048 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
RAX: ffffffffffffffda RBX: 00007f34c6106490 RCX: 00007f34c5f779f9
RDX: 0000000000000000 RSI: 0000000020000f40 RDI: 00000000200003c0
RBP: 00007f34c5fe58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f34c6106490 R15: 00007fffe2414f48
Showing all locks held in the system:
3 locks held by kworker/u8:1/12:
#0: ffff88802a649148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff88802a649148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90000117d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90000117d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8fa6f1c8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 net/ipv6/addrconf.c:4194
2 locks held by kworker/1:0/25:
#0: ffff8880b933e9d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:560
#1: ffff8880b9328948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:989
1 lock held by khungtaskd/30:
#0: ffffffff8e7382a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
#0: ffffffff8e7382a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
#0: ffffffff8e7382a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6620
2 locks held by kworker/u8:2/35:
4 locks held by kworker/u8:7/1111:
#0: ffff8880162e3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff8880162e3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90004267d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90004267d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8fa62650 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:594
#3: ffffffff8fa6f1c8 (rtnl_mutex){+.+.}-{3:3}, at: ppp_exit_net+0xe3/0x3d0 drivers/net/ppp/ppp_generic.c:1146
3 locks held by kworker/0:2/1179:
#0: ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3206 [inline]
#0: ffff888015480948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 kernel/workqueue.c:3312
#1: ffffc90004487d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90004487d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 kernel/workqueue.c:3312
#2: ffffffff8fa6f1c8 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
2 locks held by getty/4977:
#0: ffff88802b24b0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002f162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ac/0x1e00 drivers/tty/n_tty.c:2211
3 locks held by syz.2.19/5405:
4 locks held by syz.2.19/5422:
#0: ffff88802f460420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff88802f460730 (&type->s_vfs_rename_key#2){+.+.}-{3:3}, at: lock_rename fs/namei.c:3151 [inline]
#1: ffff88802f460730 (&type->s_vfs_rename_key#2){+.+.}-{3:3}, at: do_renameat2+0x5cf/0x13f0 fs/namei.c:5058
#2: ffff888061b053b8 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:834 [inline]
#2: ffff888061b053b8 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: lock_two_directories+0x145/0x220 fs/namei.c:3117
#3: ffff88807b3397e8 (&type->i_mutex_dir_key#3/5){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:834 [inline]
#3: ffff88807b3397e8 (&type->i_mutex_dir_key#3/5){+.+.}-{3:3}, at: lock_two_directories+0x16f/0x220 fs/namei.c:3118
2 locks held by syz.2.19/5423:
#0: ffff88802f460420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff888061b053b8 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:834 [inline]
#1: ffff888061b053b8 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: do_rmdir+0x263/0x580 fs/namei.c:4340
2 locks held by syz.2.19/5427:
#0: ffff88802f460420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff888061b053b8 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: inode_lock include/linux/fs.h:799 [inline]
#1: ffff888061b053b8 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: open_last_lookups fs/namei.c:3644 [inline]
#1: ffff888061b053b8 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: path_openat+0x7fb/0x3470 fs/namei.c:3883
1 lock held by syz.2.19/5431:
#0: ffff888061b053b8 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:809 [inline]
#0: ffff888061b053b8 (&type->i_mutex_dir_key#3){++++}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1734
2 locks held by syz.2.19/5437:
#0: ffff88802f460420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff888061b053b8 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:834 [inline]
#1: ffff888061b053b8 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: do_unlinkat+0x26a/0x830 fs/namei.c:4473
2 locks held by syz.2.19/5439:
#0: ffff88802f460420 (sb_writers#4){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff888061b053b8 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:834 [inline]
#1: ffff888061b053b8 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: lock_rename fs/namei.c:3147 [inline]
#1: ffff888061b053b8 (&type->i_mutex_dir_key#3/1){+.+.}-{3:3}, at: do_renameat2+0x62c/0x13f0 fs/namei.c:5058
1 lock held by syz-executor/5506:
#0: ffffffff8fa6f1c8 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8fa6f1c8 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x1b0 drivers/net/tun.c:3510
3 locks held by syz-executor/6928:
#0: ffff888061194d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
#0: ffff888061194d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2692
#1: ffff888061194078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x572/0x11a0 net/bluetooth/hci_sync.c:5131
#2: ffffffff8e73d678 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:328 [inline]
#2: ffffffff8e73d678 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 kernel/rcu/tree_exp.h:958
3 locks held by syz-executor/6931:
#0: ffff8880225d4d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
#0: ffff8880225d4d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2692
#1: ffff8880225d4078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x572/0x11a0 net/bluetooth/hci_sync.c:5131
#2: ffffffff8fbdaae8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1977 [inline]
#2: ffffffff8fbdaae8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2592
3 locks held by syz-executor/6992:
#0: ffff8880649c8d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
#0: ffff8880649c8d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2692
#1: ffff8880649c8078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x572/0x11a0 net/bluetooth/hci_sync.c:5131
#2: ffffffff8fbdaae8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1977 [inline]
#2: ffffffff8fbdaae8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2592
3 locks held by syz-executor/7066:
#0: ffff88805b6e0d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
#0: ffff88805b6e0d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2692
#1: ffff88805b6e0078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x572/0x11a0 net/bluetooth/hci_sync.c:5131
#2: ffffffff8fbdaae8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1977 [inline]
#2: ffffffff8fbdaae8 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2592
2 locks held by sed/7268:
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call Trace:
__dump_stack lib/dump_stack.c:93 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfee/0x1030 kernel/hung_task.c:379
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 7273 Comm: sed Not tainted 6.11.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__call_rcu_common kernel/rcu/tree.c:3124 [inline]
RIP: 0010:call_rcu+0x48c/0xa70 kernel/rcu/tree.c:3210
Code: 0e 00 74 1a 65 8b 05 53 b9 88 7e 85 c0 75 0f 65 8b 05 00 b6 88 7e 85 c0 0f 85 e4 04 00 00 4c 89 ff e8 a8 7c 3d 0a 48 8b 1c 24 <48> 89 df e8 dc dd ff ff 48 8b 7c 24 38 4c 89 f6 e8 1f ff 01 00 48
RSP: 0018:ffffc90004087180 EFLAGS: 00000002
RAX: dffffc0000000001 RBX: ffff8880b933f900 RCX: 1ffff11017267f01
RDX: 0000000000000000 RSI: ffffffff8c3f88e0 RDI: ffffffff8c3f88a0
RBP: ffffc90004087290 R08: ffffffff8ff6956f R09: 1ffffffff1fed2ad
R10: dffffc0000000000 R11: fffffbfff1fed2ae R12: 0000000000004e20
R13: 1ffff92000810e3c R14: ffff8880475ad408 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f93c997e290 CR3: 000000005af66000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
mas_wr_node_store lib/maple_tree.c:3956 [inline]
mas_wr_modify+0x20fc/0x2830 lib/maple_tree.c:4189
mas_store_prealloc+0x278/0x5f0 lib/maple_tree.c:5482
vma_complete+0x21d/0xb60 mm/mmap.c:576
__split_vma+0xaca/0xc30 mm/mmap.c:2511
split_vma mm/mmap.c:2537 [inline]
vma_modify+0x268/0x350 mm/mmap.c:2578
vma_modify_flags include/linux/mm.h:3298 [inline]
mprotect_fixup+0x3ea/0xa90 mm/mprotect.c:639
do_mprotect_pkey+0x908/0xe00 mm/mprotect.c:822
__do_sys_mprotect mm/mprotect.c:843 [inline]
__se_sys_mprotect mm/mprotect.c:840 [inline]
__x64_sys_mprotect+0x80/0x90 mm/mprotect.c:840
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: 0033:0x7f93c99a1bb7
Code: 00 00 00 b8 0b 00 00 00 0f 05 48 3d 01 f0 ff ff 73 01 c3 48 8d 0d b9 46 01 00 f7 d8 89 01 48 83 c8 ff c3 b8 0a 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8d 0d 99 46 01 00 f7 d8 89 01 48 83
RSP: 002b:00007ffdf80ea158 EFLAGS: 00000246 ORIG_RAX: 000000000000000a
RAX: ffffffffffffffda RBX: 00000fffbf01d42c RCX: 00007f93c99a1bb7
RDX: 0000000000000000 RSI: 000000000001c000 RDI: 00007f93c96d9000
RBP: 00007ffdf80ea530 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000802 R11: 0000000000000246 R12: 00007f93c997dfc0
R13: 00007ffdf80ea5b8 R14: fffffffffffff000 R15: 0000000000000000