INFO: task kworker/0:0:8 blocked for more than 143 seconds. Not tainted 6.13.0-syzkaller-05001-gd0d106a2bd21 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:0 state:D stack:22472 pid:8 tgid:8 ppid:2 flags:0x00004000 Workqueue: events disconnect_work Call Trace: context_switch kernel/sched/core.c:5373 [inline] __schedule+0x1142/0x5b60 kernel/sched/core.c:6760 __schedule_loop kernel/sched/core.c:6837 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6852 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730 class_wiphy_constructor include/net/cfg80211.h:6061 [inline] cfg80211_is_all_idle net/wireless/sme.c:694 [inline] disconnect_work+0xa0/0x2a0 net/wireless/sme.c:709 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/u8:5:1045 blocked for more than 143 seconds. Not tainted 6.13.0-syzkaller-05001-gd0d106a2bd21 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:5 state:D stack:23936 pid:1045 tgid:1045 ppid:2 flags:0x00004000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:5373 [inline] __schedule+0x1142/0x5b60 kernel/sched/core.c:6760 __schedule_loop kernel/sched/core.c:6837 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6852 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730 rtnl_acquire_if_cleanup_net net/core/dev.c:10272 [inline] unregister_netdevice_many_notify+0x1a51/0x21a0 net/core/dev.c:11792 unregister_netdevice_many net/core/dev.c:11875 [inline] unregister_netdevice_queue+0x307/0x3f0 net/core/dev.c:11741 unregister_netdevice include/linux/netdevice.h:3329 [inline] _cfg80211_unregister_wdev+0x64b/0x830 net/wireless/core.c:1251 ieee80211_remove_interfaces+0x34f/0x720 net/mac80211/iface.c:2305 ieee80211_unregister_hw+0x55/0x3a0 net/mac80211/main.c:1681 mac80211_hwsim_del_radio drivers/net/wireless/virtual/mac80211_hwsim.c:5664 [inline] hwsim_exit_net+0x3ad/0x7d0 drivers/net/wireless/virtual/mac80211_hwsim.c:6544 ops_exit_list+0xb0/0x180 net/core/net_namespace.c:172 cleanup_net+0x5c6/0xbf0 net/core/net_namespace.c:652 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/u8:10:6407 blocked for more than 143 seconds. Not tainted 6.13.0-syzkaller-05001-gd0d106a2bd21 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:10 state:D stack:23840 pid:6407 tgid:6407 ppid:2 flags:0x00004000 Workqueue: events_unbound linkwatch_event Call Trace: context_switch kernel/sched/core.c:5373 [inline] __schedule+0x1142/0x5b60 kernel/sched/core.c:6760 __schedule_loop kernel/sched/core.c:6837 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6852 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730 linkwatch_event+0x51/0xc0 net/core/link_watch.c:285 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task syz-executor:10714 blocked for more than 144 seconds. Not tainted 6.13.0-syzkaller-05001-gd0d106a2bd21 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:23808 pid:10714 tgid:10714 ppid:1 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5373 [inline] __schedule+0x1142/0x5b60 kernel/sched/core.c:6760 __schedule_loop kernel/sched/core.c:6837 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6852 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnl_nets_lock net/core/rtnetlink.c:335 [inline] rtnl_newlink+0x5d9/0x1d60 net/core/rtnetlink.c:4020 rtnetlink_rcv_msg+0x95b/0xea0 net/core/rtnetlink.c:6911 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg net/socket.c:728 [inline] __sys_sendto+0x488/0x4f0 net/socket.c:2182 __do_sys_sendto net/socket.c:2189 [inline] __se_sys_sendto net/socket.c:2185 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2185 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fad0158ebbc RSP: 002b:00007ffeaaedc610 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fad022d4620 RCX: 00007fad0158ebbc RDX: 0000000000000028 RSI: 00007fad022d4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffeaaedc664 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fad022d4670 R15: 0000000000000000 INFO: task syz.2.1305:10753 blocked for more than 144 seconds. Not tainted 6.13.0-syzkaller-05001-gd0d106a2bd21 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.1305 state:D stack:26904 pid:10753 tgid:10752 ppid:5819 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5373 [inline] __schedule+0x1142/0x5b60 kernel/sched/core.c:6760 __schedule_loop kernel/sched/core.c:6837 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6852 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnl_nets_lock net/core/rtnetlink.c:335 [inline] rtnl_newlink+0x5d9/0x1d60 net/core/rtnetlink.c:4020 rtnetlink_rcv_msg+0x95b/0xea0 net/core/rtnetlink.c:6911 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg net/socket.c:728 [inline] ____sys_sendmsg+0xaaf/0xc90 net/socket.c:2568 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2622 __sys_sendmsg+0x16e/0x220 net/socket.c:2654 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f41b138cd29 RSP: 002b:00007f41b217c038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f41b15a5fa0 RCX: 00007f41b138cd29 RDX: 0000000020000000 RSI: 00000000200002c0 RDI: 0000000000000003 RBP: 00007f41b140e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f41b15a5fa0 R15: 00007ffd655dc138 INFO: task syz.3.1306:10758 blocked for more than 144 seconds. Not tainted 6.13.0-syzkaller-05001-gd0d106a2bd21 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.1306 state:D stack:27432 pid:10758 tgid:10755 ppid:5821 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5373 [inline] __schedule+0x1142/0x5b60 kernel/sched/core.c:6760 __schedule_loop kernel/sched/core.c:6837 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6852 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6917 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg net/socket.c:728 [inline] ____sys_sendmsg+0xaaf/0xc90 net/socket.c:2568 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2622 __sys_sendmsg+0x16e/0x220 net/socket.c:2654 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fae2158cd29 RSP: 002b:00007fae1f3f6038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fae217a6160 RCX: 00007fae2158cd29 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000007 RBP: 00007fae2160e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fae217a6160 R15: 00007ffd8c585fb8 INFO: task syz.4.1307:10761 blocked for more than 145 seconds. Not tainted 6.13.0-syzkaller-05001-gd0d106a2bd21 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.4.1307 state:D stack:29104 pid:10761 tgid:10760 ppid:5811 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5373 [inline] __schedule+0x1142/0x5b60 kernel/sched/core.c:6760 __schedule_loop kernel/sched/core.c:6837 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6852 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730 __tun_chr_ioctl+0x4e7/0x4b80 drivers/net/tun.c:3125 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl fs/ioctl.c:892 [inline] __x64_sys_ioctl+0x190/0x200 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd8d098cd29 RSP: 002b:00007fd8d18bc038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd8d0ba5fa0 RCX: 00007fd8d098cd29 RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000004 RBP: 00007fd8d0a0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fd8d0ba5fa0 R15: 00007ffc724dc788 INFO: task syz.0.1309:10770 blocked for more than 145 seconds. Not tainted 6.13.0-syzkaller-05001-gd0d106a2bd21 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.1309 state:D stack:27432 pid:10770 tgid:10766 ppid:5812 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5373 [inline] __schedule+0x1142/0x5b60 kernel/sched/core.c:6760 __schedule_loop kernel/sched/core.c:6837 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6852 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6917 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg net/socket.c:728 [inline] ____sys_sendmsg+0xaaf/0xc90 net/socket.c:2568 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2622 __sys_sendmsg+0x16e/0x220 net/socket.c:2654 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f11aaf8cd29 RSP: 002b:00007f11abe2d038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f11ab1a6080 RCX: 00007f11aaf8cd29 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000004 RBP: 00007f11ab00e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f11ab1a6080 R15: 00007ffd5125aa78 INFO: task syz.0.1309:10772 blocked for more than 145 seconds. Not tainted 6.13.0-syzkaller-05001-gd0d106a2bd21 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.1309 state:D stack:26792 pid:10772 tgid:10766 ppid:5812 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5373 [inline] __schedule+0x1142/0x5b60 kernel/sched/core.c:6760 __schedule_loop kernel/sched/core.c:6837 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6852 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnl_dumpit+0x18f/0x1f0 net/core/rtnetlink.c:6779 netlink_dump+0x53c/0xd00 net/netlink/af_netlink.c:2318 __netlink_dump_start+0x6ca/0x970 net/netlink/af_netlink.c:2433 netlink_dump_start include/linux/netlink.h:340 [inline] rtnetlink_dump_start net/core/rtnetlink.c:6809 [inline] rtnetlink_rcv_msg+0xb44/0xea0 net/core/rtnetlink.c:6876 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg net/socket.c:728 [inline] ____sys_sendmsg+0xaaf/0xc90 net/socket.c:2568 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2622 __sys_sendmsg+0x16e/0x220 net/socket.c:2654 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f11aaf8cd29 RSP: 002b:00007f11abe0c038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f11ab1a6160 RCX: 00007f11aaf8cd29 RDX: 0000000020008000 RSI: 00000000200001c0 RDI: 0000000000000005 RBP: 00007f11ab00e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f11ab1a6160 R15: 00007ffd5125aa78 INFO: task syz.0.1309:10773 blocked for more than 146 seconds. Not tainted 6.13.0-syzkaller-05001-gd0d106a2bd21 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.1309 state:D stack:27704 pid:10773 tgid:10766 ppid:5812 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5373 [inline] __schedule+0x1142/0x5b60 kernel/sched/core.c:6760 __schedule_loop kernel/sched/core.c:6837 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6852 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnetlink_rcv_msg+0x372/0xea0 net/core/rtnetlink.c:6917 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg net/socket.c:728 [inline] ____sys_sendmsg+0xaaf/0xc90 net/socket.c:2568 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2622 __sys_sendmsg+0x16e/0x220 net/socket.c:2654 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f11aaf8cd29 RSP: 002b:00007f11abdeb038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f11ab1a6240 RCX: 00007f11aaf8cd29 RDX: 0000000000008000 RSI: 0000000020000000 RDI: 0000000000000007 RBP: 00007f11ab00e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f11ab1a6240 R15: 00007ffd5125aa78 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task syz.0.1309:10775 blocked for more than 146 seconds. Not tainted 6.13.0-syzkaller-05001-gd0d106a2bd21 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.1309 state:D stack:27384 pid:10775 tgid:10766 ppid:5812 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5373 [inline] __schedule+0x1142/0x5b60 kernel/sched/core.c:6760 __schedule_loop kernel/sched/core.c:6837 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6852 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6909 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x6bd/0xb10 kernel/locking/mutex.c:730 bpf_map_offload_map_alloc+0x12a/0x420 kernel/bpf/offload.c:532 map_create+0x5c5/0x1d20 kernel/bpf/syscall.c:1446 __sys_bpf+0x4391/0x49c0 kernel/bpf/syscall.c:5776 __do_sys_bpf kernel/bpf/syscall.c:5901 [inline] __se_sys_bpf kernel/bpf/syscall.c:5899 [inline] __x64_sys_bpf+0x78/0xc0 kernel/bpf/syscall.c:5899 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f11aaf8cd29 RSP: 002b:00007f11abdca038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f11ab1a6320 RCX: 00007f11aaf8cd29 RDX: 0000000000000050 RSI: 0000000020000280 RDI: 0000000000000000 RBP: 00007f11ab00e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f11ab1a6320 R15: 00007ffd5125aa78 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-syzkaller-05001-gd0d106a2bd21 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 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+0xf14/0x1240 kernel/hung_task.c:397 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 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: 5940 Comm: kworker/u8:8 Not tainted 6.13.0-syzkaller-05001-gd0d106a2bd21 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: bat_events batadv_mcast_mla_update RIP: 0010:unwind_next_frame+0x14c/0x20c0 arch/x86/kernel/unwind_orc.c:494 Code: ea 03 0f b6 04 02 4c 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 4e 09 00 00 48 89 e9 41 0f b6 45 35 48 ba 00 00 00 00 00 fc ff df <48> c1 e9 03 80 3c 11 00 0f 85 25 17 00 00 4d 8b 7d 48 3c 01 49 83 RSP: 0018:ffffc90003827658 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffc90003827710 RDX: dffffc0000000000 RSI: ffffffff810ba28a RDI: ffff888036745d48 RBP: ffffc90003827710 R08: ffffc900038276fc R09: ffffffff90f39ef4 R10: ffffc900038276c8 R11: 0000000000003ed3 R12: ffffc90003827718 R13: ffffc900038276c8 R14: ffffc900038276fd R15: ffff888036744880 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f779209b76a CR3: 000000000df80000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: arch_stack_walk+0x95/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x95/0xd0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:582 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2353 [inline] slab_free mm/slub.c:4613 [inline] kfree+0x14f/0x4b0 mm/slub.c:4761 batadv_mcast_mla_list_free net/batman-adv/multicast.c:669 [inline] __batadv_mcast_mla_update net/batman-adv/multicast.c:926 [inline] batadv_mcast_mla_update+0x151f/0x3200 net/batman-adv/multicast.c:948 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244