INFO: task syz-executor.2:5510 blocked for more than 143 seconds.
      Not tainted 6.6.0-syzkaller-10297-g21e80f3841c0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:25128 pid:5510  tgid:5510  ppid:5397   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1960/0x4a80 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6778
 request_wait_answer fs/fuse/dev.c:407 [inline]
 __fuse_request_send fs/fuse/dev.c:426 [inline]
 fuse_simple_request+0x1192/0x1b80 fs/fuse/dev.c:513
 fuse_do_getattr+0x39a/0x840 fs/fuse/dir.c:1263
 fuse_update_get_attr+0xa1a/0x1930 fs/fuse/dir.c:1319
 vfs_statx+0x198/0x4c0 fs/stat.c:244
 vfs_fstatat+0x135/0x190 fs/stat.c:295
 __do_sys_newfstatat fs/stat.c:459 [inline]
 __se_sys_newfstatat fs/stat.c:453 [inline]
 __x64_sys_newfstatat+0x117/0x190 fs/stat.c:453
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x456e69
RSP: 002b:00007fa12eef10d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000000000055bf80 RCX: 0000000000456e69
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00000000004b0ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b0297
R13: 000000000000000b R14: 000000000055bf80 R15: 00007ffde4b2d4d8
 </TASK>
INFO: task syz-executor.2:5532 blocked for more than 143 seconds.
      Not tainted 6.6.0-syzkaller-10297-g21e80f3841c0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:26792 pid:5532  tgid:5532  ppid:5397   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1960/0x4a80 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6778
 request_wait_answer fs/fuse/dev.c:407 [inline]
 __fuse_request_send fs/fuse/dev.c:426 [inline]
 fuse_simple_request+0x1192/0x1b80 fs/fuse/dev.c:513
 fuse_do_getattr+0x39a/0x840 fs/fuse/dir.c:1263
 fuse_update_get_attr+0xa1a/0x1930 fs/fuse/dir.c:1319
 vfs_statx+0x198/0x4c0 fs/stat.c:244
 vfs_fstatat+0x135/0x190 fs/stat.c:295
 __do_sys_newfstatat fs/stat.c:459 [inline]
 __se_sys_newfstatat fs/stat.c:453 [inline]
 __x64_sys_newfstatat+0x117/0x190 fs/stat.c:453
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x456e69
RSP: 002b:00007fa12eef10d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000000000055bf80 RCX: 0000000000456e69
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00000000004b0ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b0297
R13: 000000000000000b R14: 000000000055bf80 R15: 00007ffde4b2d4d8
 </TASK>
INFO: task syz-executor.3:5571 blocked for more than 144 seconds.
      Not tainted 6.6.0-syzkaller-10297-g21e80f3841c0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:26792 pid:5571  tgid:5571  ppid:5400   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1960/0x4a80 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6778
 request_wait_answer fs/fuse/dev.c:407 [inline]
 __fuse_request_send fs/fuse/dev.c:426 [inline]
 fuse_simple_request+0x1192/0x1b80 fs/fuse/dev.c:513
 fuse_do_getattr+0x39a/0x840 fs/fuse/dir.c:1263
 fuse_update_get_attr+0xa1a/0x1930 fs/fuse/dir.c:1319
 vfs_statx+0x198/0x4c0 fs/stat.c:244
 vfs_fstatat+0x135/0x190 fs/stat.c:295
 __do_sys_newfstatat fs/stat.c:459 [inline]
 __se_sys_newfstatat fs/stat.c:453 [inline]
 __x64_sys_newfstatat+0x117/0x190 fs/stat.c:453
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x456e69
RSP: 002b:00007f383d0390d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000000000055bf80 RCX: 0000000000456e69
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00000000004b0ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b0297
R13: 000000000000000b R14: 000000000055bf80 R15: 00007ffc49eb2308
 </TASK>
INFO: task syz-executor.2:5575 blocked for more than 144 seconds.
      Not tainted 6.6.0-syzkaller-10297-g21e80f3841c0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:26088 pid:5575  tgid:5575  ppid:5397   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1960/0x4a80 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6778
 request_wait_answer fs/fuse/dev.c:407 [inline]
 __fuse_request_send fs/fuse/dev.c:426 [inline]
 fuse_simple_request+0x1192/0x1b80 fs/fuse/dev.c:513
 fuse_do_getattr+0x39a/0x840 fs/fuse/dir.c:1263
 fuse_update_get_attr+0xa1a/0x1930 fs/fuse/dir.c:1319
 vfs_statx+0x198/0x4c0 fs/stat.c:244
 vfs_fstatat+0x135/0x190 fs/stat.c:295
 __do_sys_newfstatat fs/stat.c:459 [inline]
 __se_sys_newfstatat fs/stat.c:453 [inline]
 __x64_sys_newfstatat+0x117/0x190 fs/stat.c:453
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x456e69
RSP: 002b:00007fa12eef10d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000000000055bf80 RCX: 0000000000456e69
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00000000004b0ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b0297
R13: 000000000000000b R14: 000000000055bf80 R15: 00007ffde4b2d4d8
 </TASK>
INFO: task syz-executor.1:5598 blocked for more than 144 seconds.
      Not tainted 6.6.0-syzkaller-10297-g21e80f3841c0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:26792 pid:5598  tgid:5598  ppid:5406   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1960/0x4a80 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6778
 request_wait_answer fs/fuse/dev.c:407 [inline]
 __fuse_request_send fs/fuse/dev.c:426 [inline]
 fuse_simple_request+0x1192/0x1b80 fs/fuse/dev.c:513
 fuse_do_getattr+0x39a/0x840 fs/fuse/dir.c:1263
 fuse_update_get_attr+0xa1a/0x1930 fs/fuse/dir.c:1319
 vfs_statx+0x198/0x4c0 fs/stat.c:244
 vfs_fstatat+0x135/0x190 fs/stat.c:295
 __do_sys_newfstatat fs/stat.c:459 [inline]
 __se_sys_newfstatat fs/stat.c:453 [inline]
 __x64_sys_newfstatat+0x117/0x190 fs/stat.c:453
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x456e69
RSP: 002b:00007f700734c0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000000000055bf80 RCX: 0000000000456e69
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00000000004b0ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b0297
R13: 000000000000000b R14: 000000000055bf80 R15: 00007ffdf3a97c08
 </TASK>
INFO: task syz-executor.3:5637 blocked for more than 145 seconds.
      Not tainted 6.6.0-syzkaller-10297-g21e80f3841c0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:26792 pid:5637  tgid:5637  ppid:5400   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1960/0x4a80 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6778
 request_wait_answer fs/fuse/dev.c:407 [inline]
 __fuse_request_send fs/fuse/dev.c:426 [inline]
 fuse_simple_request+0x1192/0x1b80 fs/fuse/dev.c:513
 fuse_do_getattr+0x39a/0x840 fs/fuse/dir.c:1263
 fuse_update_get_attr+0xa1a/0x1930 fs/fuse/dir.c:1319
 vfs_statx+0x198/0x4c0 fs/stat.c:244
 vfs_fstatat+0x135/0x190 fs/stat.c:295
 __do_sys_newfstatat fs/stat.c:459 [inline]
 __se_sys_newfstatat fs/stat.c:453 [inline]
 __x64_sys_newfstatat+0x117/0x190 fs/stat.c:453
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x456e69
RSP: 002b:00007f383d0390d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000000000055bf80 RCX: 0000000000456e69
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00000000004b0ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b0297
R13: 000000000000000b R14: 000000000055bf80 R15: 00007ffc49eb2308
 </TASK>
INFO: task syz-executor.3:5652 blocked for more than 145 seconds.
      Not tainted 6.6.0-syzkaller-10297-g21e80f3841c0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:26792 pid:5652  tgid:5652  ppid:5400   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1960/0x4a80 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6778
 request_wait_answer fs/fuse/dev.c:407 [inline]
 __fuse_request_send fs/fuse/dev.c:426 [inline]
 fuse_simple_request+0x1192/0x1b80 fs/fuse/dev.c:513
 fuse_do_getattr+0x39a/0x840 fs/fuse/dir.c:1263
 fuse_update_get_attr+0xa1a/0x1930 fs/fuse/dir.c:1319
 vfs_statx+0x198/0x4c0 fs/stat.c:244
 vfs_fstatat+0x135/0x190 fs/stat.c:295
 __do_sys_newfstatat fs/stat.c:459 [inline]
 __se_sys_newfstatat fs/stat.c:453 [inline]
 __x64_sys_newfstatat+0x117/0x190 fs/stat.c:453
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x456e69
RSP: 002b:00007f383d0390d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000000000055bf80 RCX: 0000000000456e69
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00000000004b0ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b0297
R13: 000000000000000b R14: 000000000055bf80 R15: 00007ffc49eb2308
 </TASK>
INFO: task syz-executor.1:5722 blocked for more than 145 seconds.
      Not tainted 6.6.0-syzkaller-10297-g21e80f3841c0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.1  state:D stack:26792 pid:5722  tgid:5722  ppid:5406   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1960/0x4a80 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6778
 request_wait_answer fs/fuse/dev.c:407 [inline]
 __fuse_request_send fs/fuse/dev.c:426 [inline]
 fuse_simple_request+0x1192/0x1b80 fs/fuse/dev.c:513
 fuse_do_getattr+0x39a/0x840 fs/fuse/dir.c:1263
 fuse_update_get_attr+0xa1a/0x1930 fs/fuse/dir.c:1319
 vfs_statx+0x198/0x4c0 fs/stat.c:244
 vfs_fstatat+0x135/0x190 fs/stat.c:295
 __do_sys_newfstatat fs/stat.c:459 [inline]
 __se_sys_newfstatat fs/stat.c:453 [inline]
 __x64_sys_newfstatat+0x117/0x190 fs/stat.c:453
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x456e69
RSP: 002b:00007f700734c0d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000000000055bf80 RCX: 0000000000456e69
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00000000004b0ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b0297
R13: 000000000000000b R14: 000000000055bf80 R15: 00007ffdf3a97c08
 </TASK>
INFO: task syz-executor.2:5746 blocked for more than 146 seconds.
      Not tainted 6.6.0-syzkaller-10297-g21e80f3841c0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:26760 pid:5746  tgid:5746  ppid:5397   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1960/0x4a80 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6778
 request_wait_answer fs/fuse/dev.c:407 [inline]
 __fuse_request_send fs/fuse/dev.c:426 [inline]
 fuse_simple_request+0x1192/0x1b80 fs/fuse/dev.c:513
 fuse_do_getattr+0x39a/0x840 fs/fuse/dir.c:1263
 fuse_update_get_attr+0xa1a/0x1930 fs/fuse/dir.c:1319
 vfs_statx+0x198/0x4c0 fs/stat.c:244
 vfs_fstatat+0x135/0x190 fs/stat.c:295
 __do_sys_newfstatat fs/stat.c:459 [inline]
 __se_sys_newfstatat fs/stat.c:453 [inline]
 __x64_sys_newfstatat+0x117/0x190 fs/stat.c:453
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x456e69
RSP: 002b:00007fa12eef10d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000000000055bf80 RCX: 0000000000456e69
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00000000004b0ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b0297
R13: 000000000000000b R14: 000000000055bf80 R15: 00007ffde4b2d4d8
 </TASK>
INFO: task syz-executor.2:5763 blocked for more than 146 seconds.
      Not tainted 6.6.0-syzkaller-10297-g21e80f3841c0 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:24808 pid:5763  tgid:5763  ppid:5397   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0x1960/0x4a80 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0x149/0x260 kernel/sched/core.c:6778
 request_wait_answer fs/fuse/dev.c:407 [inline]
 __fuse_request_send fs/fuse/dev.c:426 [inline]
 fuse_simple_request+0x1192/0x1b80 fs/fuse/dev.c:513
 fuse_do_getattr+0x39a/0x840 fs/fuse/dir.c:1263
 fuse_update_get_attr+0xa1a/0x1930 fs/fuse/dir.c:1319
 vfs_statx+0x198/0x4c0 fs/stat.c:244
 vfs_fstatat+0x135/0x190 fs/stat.c:295
 __do_sys_newfstatat fs/stat.c:459 [inline]
 __se_sys_newfstatat fs/stat.c:453 [inline]
 __x64_sys_newfstatat+0x117/0x190 fs/stat.c:453
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x456e69
RSP: 002b:00007fa12eef10d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 000000000055bf80 RCX: 0000000000456e69
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00000000004b0ca0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004b0297
R13: 000000000000000b R14: 000000000055bf80 R15: 00007ffde4b2d4d8
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings

Showing all locks held in the system:
3 locks held by kworker/u4:1/12:
 #0: ffff8880b993c358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
 #1: ffff8880b9928808 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988
 #2: ffff8880b9929718 (&base->lock){-.-.}-{2:2}, at: __mod_timer+0x692/0xf40 kernel/time/timer.c:1112
1 lock held by khungtaskd/29:
 #0: ffffffff8d72d4a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
 #0: ffffffff8d72d4a0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
 #0: ffffffff8d72d4a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6613
1 lock held by klogd/4486:
 #0: ffff8880b993c358 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:558
2 locks held by getty/4795:
 #0: ffff88814aa3e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0 drivers/tty/n_tty.c:2206

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-syzkaller-10297-g21e80f3841c0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Call Trace:
 <TASK>
 __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+0x198/0x310 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+0xfa9/0xff0 kernel/hung_task.c:379
 kthread+0x2d3/0x370 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 32312 Comm: kworker/u4:0 Not tainted 6.6.0-syzkaller-10297-g21e80f3841c0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
Workqueue: bat_events batadv_nc_worker
RIP: 0010:kasan_check_range+0x5/0x290 mm/kasan/generic.c:186
Code: 01 c6 48 89 c7 e8 bb 0e 29 09 31 c0 c3 0f 0b b8 ea ff ff ff c3 0f 0b b8 ea ff ff ff c3 0f 1f 84 00 00 00 00 00 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
RSP: 0018:ffffc9000503f670 EFLAGS: 00000046
RAX: 000000000000001a RBX: 000000000000069d RCX: ffffffff816d7e17
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90baf470
RBP: ffffc9000503f948 R08: dffffc0000000000 R09: 1ffffffff2175e8e
R10: dffffc0000000000 R11: fffffbfff2175e8f R12: 00000000dfcaf6a1
R13: ffff888020fe8ac8 R14: 000000003b34ef99 R15: ffff888020fe8b40
FS:  0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe7c5f13238 CR3: 000000006ffe1000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 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:228 [inline]
 __lock_acquire+0x1267/0x7f70 kernel/locking/lockdep.c:5133
 lock_acquire+0x1e3/0x520 kernel/locking/lockdep.c:5753
 __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+0xe8/0x3a0 net/batman-adv/network-coding.c:442
 batadv_nc_worker+0x328/0x610 net/batman-adv/network-coding.c:720
 process_one_work kernel/workqueue.c:2630 [inline]
 process_scheduled_works+0x90f/0x1400 kernel/workqueue.c:2703
 worker_thread+0xa5f/0xff0 kernel/workqueue.c:2784
 kthread+0x2d3/0x370 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242
 </TASK>