INFO: task syz.1.251:7793 blocked for more than 143 seconds.
Not tainted 6.11.0-rc2-syzkaller-00011-geb5e56d14912 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.251 state:D stack:27424 pid:7793 tgid:7779 ppid:7109 flags:0x00004006
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]
chown_common+0x3e1/0x850 fs/open.c:784
vfs_fchown fs/open.c:862 [inline]
ksys_fchown+0xea/0x160 fs/open.c:873
__do_sys_fchown fs/open.c:881 [inline]
__se_sys_fchown fs/open.c:879 [inline]
__x64_sys_fchown+0x7a/0x90 fs/open.c:879
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: 0033:0x7ff0759779f9
RSP: 002b:00007ff0766bb038 EFLAGS: 00000246 ORIG_RAX: 000000000000005d
RAX: ffffffffffffffda RBX: 00007ff075b06208 RCX: 00007ff0759779f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007ff0759e58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff075b06208 R15: 00007fffdee48718
INFO: task syz.1.251:7797 blocked for more than 144 seconds.
Not tainted 6.11.0-rc2-syzkaller-00011-geb5e56d14912 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.251 state:D stack:27424 pid:7797 tgid:7779 ppid:7109 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_openat fs/open.c:1447 [inline]
__se_sys_openat fs/open.c:1442 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1442
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: 0033:0x7ff0759779f9
RSP: 002b:00007ff07669a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ff075b062e0 RCX: 00007ff0759779f9
RDX: 0000000000141842 RSI: 0000000020000200 RDI: ffffffffffffff9c
RBP: 00007ff0759e58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff075b062e0 R15: 00007fffdee48718
INFO: task syz.1.251:7799 blocked for more than 144 seconds.
Not tainted 6.11.0-rc2-syzkaller-00011-geb5e56d14912 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.251 state:D stack:27424 pid:7799 tgid:7779 ppid:7109 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]
open_last_lookups fs/namei.c:3646 [inline]
path_openat+0x7ec/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_open fs/open.c:1439 [inline]
__se_sys_open fs/open.c:1435 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1435
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: 0033:0x7ff0759779f9
RSP: 002b:00007ff076679038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff075b063b8 RCX: 00007ff0759779f9
RDX: 0000000000000000 RSI: 0000000000101000 RDI: 0000000020000040
RBP: 00007ff0759e58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff075b063b8 R15: 00007fffdee48718
INFO: task syz.1.251:7801 blocked for more than 145 seconds.
Not tainted 6.11.0-rc2-syzkaller-00011-geb5e56d14912 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.251 state:D stack:26944 pid:7801 tgid:7779 ppid:7109 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_mount fs/namespace.c:3809 [inline]
__do_sys_mount fs/namespace.c:4020 [inline]
__se_sys_mount+0x297/0x3c0 fs/namespace.c:3997
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: 0033:0x7ff0759779f9
RSP: 002b:00007ff0753ff038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff075b06490 RCX: 00007ff0759779f9
RDX: 0000000020000180 RSI: 0000000020000140 RDI: 0000000000000000
RBP: 00007ff0759e58ee R08: 0000000020003640 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff075b06490 R15: 00007fffdee48718
INFO: task syz.1.251:7805 blocked for more than 145 seconds.
Not tainted 6.11.0-rc2-syzkaller-00011-geb5e56d14912 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.251 state:D stack:27424 pid:7805 tgid:7779 ppid:7109 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]
open_last_lookups fs/namei.c:3646 [inline]
path_openat+0x7ec/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_openat fs/open.c:1447 [inline]
__se_sys_openat fs/open.c:1442 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1442
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: 0033:0x7ff0759779f9
RSP: 002b:00007ff0753de038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ff075b06568 RCX: 00007ff0759779f9
RDX: 0000000000000000 RSI: 0000000020000540 RDI: ffffffffffffff9c
RBP: 00007ff0759e58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007ff075b06568 R15: 00007fffdee48718
INFO: task syz.1.251:7808 blocked for more than 146 seconds.
Not tainted 6.11.0-rc2-syzkaller-00011-geb5e56d14912 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.251 state:D stack:27424 pid:7808 tgid:7779 ppid:7109 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]
open_last_lookups fs/namei.c:3646 [inline]
path_openat+0x7ec/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_open fs/open.c:1439 [inline]
__se_sys_open fs/open.c:1435 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1435
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: 0033:0x7ff0759779f9
RSP: 002b:00007ff0753bd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ff075b06640 RCX: 00007ff0759779f9
RDX: 0000000000000088 RSI: 0000000000080900 RDI: 0000000020000080
RBP: 00007ff0759e58ee R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ff075b06640 R15: 00007fffdee48718
Showing all locks held in the system:
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
5 locks held by kworker/u8:9/2584:
#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: ffffc90009a37d00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3207 [inline]
#1: ffffc90009a37d00 (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: ffff888023c39428 (&wg->device_update_lock){+.+.}-{3:3}, at: wg_destruct+0x110/0x2e0 drivers/net/wireguard/device.c:249
#4: ffffffff8e73d540 (rcu_state.barrier_mutex){+.+.}-{3:3}, at: rcu_barrier+0x4c/0x530 kernel/rcu/tree.c:4486
1 lock held by udevd/4671:
1 lock held by dhcpcd/4885:
2 locks held by getty/4970:
#0: ffff88802ac240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ac/0x1e00 drivers/tty/n_tty.c:2211
2 locks held by syz.1.251/7782:
2 locks held by syz.1.251/7793:
#0: ffff8880192d4420 (sb_writers#31){.+.+}-{0:0}, at: mnt_want_write_file+0x61/0x200 fs/namespace.c:559
#1: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:799 [inline]
#1: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: chown_common+0x3e1/0x850 fs/open.c:784
2 locks held by syz.1.251/7797:
#0: ffff8880192d4420 (sb_writers#31){.+.+}-{0:0}, at: mnt_want_write+0x3f/0x90 fs/namespace.c:515
#1: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: inode_lock include/linux/fs.h:799 [inline]
#1: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: open_last_lookups fs/namei.c:3644 [inline]
#1: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: path_openat+0x7fb/0x3470 fs/namei.c:3883
1 lock held by syz.1.251/7799:
#0: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:809 [inline]
#0: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: open_last_lookups fs/namei.c:3646 [inline]
#0: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: path_openat+0x7ec/0x3470 fs/namei.c:3883
1 lock held by syz.1.251/7801:
#0: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:809 [inline]
#0: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1734
1 lock held by syz.1.251/7805:
#0: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:809 [inline]
#0: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: open_last_lookups fs/namei.c:3646 [inline]
#0: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: path_openat+0x7ec/0x3470 fs/namei.c:3883
1 lock held by syz.1.251/7808:
#0: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:809 [inline]
#0: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: open_last_lookups fs/namei.c:3646 [inline]
#0: ffff88807b674180 (&type->i_mutex_dir_key#21){++++}-{3:3}, at: path_openat+0x7ec/0x3470 fs/namei.c:3883
3 locks held by syz-executor/8936:
#0: ffff888075b54d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
#0: ffff888075b54d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2692
#1: ffff888075b54078 (&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/9664:
#0: ffff88805e2a8d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
#0: ffff88805e2a8d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2692
#1: ffff88805e2a8078 (&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.4.485/9812:
#0: ffff88807fca0d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
#0: ffff88807fca0d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2692
#1: ffff88807fca0078 (&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.3.487/9830:
#0: ffff8880690d4d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
#0: ffff8880690d4d80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2692
#1: ffff8880690d4078 (&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/9870:
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-rc2-syzkaller-00011-geb5e56d14912 #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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5428 Comm: kworker/u8:12 Not tainted 6.11.0-rc2-syzkaller-00011-geb5e56d14912 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Workqueue: bat_events batadv_nc_worker
RIP: 0010:kasan_check_range+0x9/0x290 mm/kasan/generic.c:188
Code: e3 ff 90 0f 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 55 41 57 41 56 <41> 54 53 b0 01 48 85 f6 0f 84 a0 01 00 00 4c 8d 04 37 49 39 f8 0f
RSP: 0018:ffffc90004897830 EFLAGS: 00000046
RAX: 000000000000001b RBX: 00000000000006d0 RCX: ffffffff816fd3d7
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff934ee8d8
RBP: a41cabe9741b259f R08: ffffffff934ee8df R09: 1ffffffff269dd1b
R10: dffffc0000000000 R11: fffffbfff269dd1c R12: 0000000000000000
R13: ffff8880786ce4d8 R14: 1ffff1100f0d9caa R15: ffff8880786ce550
FS: 0000000000000000(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6a01a355e8 CR3: 000000000e534000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
instrument_atomic_read include/linux/instrumented.h:68 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
hlock_class kernel/locking/lockdep.c:227 [inline]
__lock_acquire+0x1297/0x2040 kernel/locking/lockdep.c:5139
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5759
__raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline]
_raw_spin_lock_bh+0x35/0x50 kernel/locking/spinlock.c:178
spin_lock_bh include/linux/spinlock.h:356 [inline]
batadv_nc_purge_paths+0xe8/0x3b0 net/batman-adv/network-coding.c:442
batadv_nc_worker+0x365/0x610 net/batman-adv/network-coding.c:722
process_one_work kernel/workqueue.c:3231 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312
worker_thread+0x86d/0xd40 kernel/workqueue.c:3390
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