INFO: task kworker/u8:1:12 blocked for more than 143 seconds. Not tainted 6.13.0-syzkaller-07632-gaa22f4da2a46 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:1 state:D stack:22096 pid:12 tgid:12 ppid:2 flags:0x00004000 Workqueue: cfg80211 cfg80211_dfs_channels_update_work Call Trace: context_switch kernel/sched/core.c:5377 [inline] __schedule+0x186c/0x4be0 kernel/sched/core.c:6764 __schedule_loop kernel/sched/core.c:6841 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6856 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730 cfg80211_dfs_channels_update_work+0xbf/0x610 net/wireless/mlme.c:1022 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+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/u8:5:1104 blocked for more than 143 seconds. Not tainted 6.13.0-syzkaller-07632-gaa22f4da2a46 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:5 state:D stack:21264 pid:1104 tgid:1104 ppid:2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:5377 [inline] __schedule+0x186c/0x4be0 kernel/sched/core.c:6764 __schedule_loop kernel/sched/core.c:6841 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6856 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730 rtnl_net_lock include/linux/rtnetlink.h:129 [inline] addrconf_dad_work+0x10e/0x16a0 net/ipv6/addrconf.c:4190 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+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task kworker/u8:9:3468 blocked for more than 144 seconds. Not tainted 6.13.0-syzkaller-07632-gaa22f4da2a46 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:9 state:D stack:22096 pid:3468 tgid:3468 ppid:2 flags:0x00004000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:5377 [inline] __schedule+0x186c/0x4be0 kernel/sched/core.c:6764 __schedule_loop kernel/sched/core.c:6841 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6856 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730 rtnl_acquire_if_cleanup_net net/core/dev.c:10272 [inline] unregister_netdevice_many_notify+0x1c2c/0x2030 net/core/dev.c:11854 unregister_netdevice_many net/core/dev.c:11875 [inline] unregister_netdevice_queue+0x303/0x370 net/core/dev.c:11741 unregister_netdevice include/linux/netdevice.h:3329 [inline] _cfg80211_unregister_wdev+0x163/0x590 net/wireless/core.c:1251 ieee80211_remove_interfaces+0x4ef/0x700 net/mac80211/iface.c:2305 ieee80211_unregister_hw+0x5d/0x2c0 net/mac80211/main.c:1681 mac80211_hwsim_del_radio+0x2c4/0x4c0 drivers/net/wireless/virtual/mac80211_hwsim.c:5664 hwsim_exit_net+0x5c1/0x670 drivers/net/wireless/virtual/mac80211_hwsim.c:6544 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x812/0xd60 net/core/net_namespace.c:652 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+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task dhcpcd:5500 blocked for more than 144 seconds. Not tainted 6.13.0-syzkaller-07632-gaa22f4da2a46 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:dhcpcd state:D stack:21200 pid:5500 tgid:5500 ppid:5499 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5377 [inline] __schedule+0x186c/0x4be0 kernel/sched/core.c:6764 __schedule_loop kernel/sched/core.c:6841 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6856 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730 rtnl_net_lock include/linux/rtnetlink.h:129 [inline] inet_rtm_deladdr+0x1a1/0x7b0 net/ipv4/devinet.c:679 rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6911 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:728 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2568 ___sys_sendmsg net/socket.c:2622 [inline] __sys_sendmsg+0x269/0x350 net/socket.c:2654 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: 0033:0x7fe48b247a4b RSP: 002b:00007ffd89f79e88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fe48b16f6c0 RCX: 00007fe48b247a4b RDX: 0000000000000000 RSI: 00007ffd89f8e038 RDI: 0000000000000014 RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffd89f8e038 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 00007ffd89f8e038 R14: 0000000000000020 R15: 0000000000000001 INFO: task kworker/u8:10:6557 blocked for more than 144 seconds. Not tainted 6.13.0-syzkaller-07632-gaa22f4da2a46 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:10 state:D stack:20336 pid:6557 tgid:6557 ppid:2 flags:0x00004000 Workqueue: events_unbound linkwatch_event Call Trace: context_switch kernel/sched/core.c:5377 [inline] __schedule+0x186c/0x4be0 kernel/sched/core.c:6764 __schedule_loop kernel/sched/core.c:6841 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6856 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730 linkwatch_event+0xe/0x60 net/core/link_watch.c:285 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+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 INFO: task syz-executor:31456 blocked for more than 145 seconds. Not tainted 6.13.0-syzkaller-07632-gaa22f4da2a46 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:21392 pid:31456 tgid:31456 ppid:1 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5377 [inline] __schedule+0x186c/0x4be0 kernel/sched/core.c:6764 __schedule_loop kernel/sched/core.c:6841 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6856 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730 class_wiphy_constructor include/net/cfg80211.h:6061 [inline] reg_process_self_managed_hints+0xb9/0x1c0 net/wireless/reg.c:3206 wiphy_register+0x1be5/0x27b0 net/wireless/core.c:1026 ieee80211_register_hw+0x354e/0x4240 net/mac80211/main.c:1587 mac80211_hwsim_new_radio+0x2a9f/0x4a90 drivers/net/wireless/virtual/mac80211_hwsim.c:5558 hwsim_new_radio_nl+0xece/0x2290 drivers/net/wireless/virtual/mac80211_hwsim.c:6242 genl_family_rcv_msg_doit net/netlink/genetlink.c:1115 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline] genl_rcv_msg+0xb14/0xec0 net/netlink/genetlink.c:1210 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:728 __sys_sendto+0x363/0x4c0 net/socket.c:2182 __do_sys_sendto net/socket.c:2189 [inline] __se_sys_sendto net/socket.c:2185 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2185 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: 0033:0x7f1efdd8ebbc RSP: 002b:00007f1efe0cfe80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f1efead4620 RCX: 00007f1efdd8ebbc RDX: 0000000000000024 RSI: 00007f1efead4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007f1efe0cfed4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f1efead4670 R15: 0000000000000000 INFO: task syz-executor:31550 blocked for more than 145 seconds. Not tainted 6.13.0-syzkaller-07632-gaa22f4da2a46 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:21392 pid:31550 tgid:31550 ppid:1 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5377 [inline] __schedule+0x186c/0x4be0 kernel/sched/core.c:6764 __schedule_loop kernel/sched/core.c:6841 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6856 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnl_nets_lock net/core/rtnetlink.c:335 [inline] rtnl_newlink+0xce2/0x2210 net/core/rtnetlink.c:4020 rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6911 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:728 __sys_sendto+0x363/0x4c0 net/socket.c:2182 __do_sys_sendto net/socket.c:2189 [inline] __se_sys_sendto net/socket.c:2185 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2185 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: 0033:0x7f88f358ebbc RSP: 002b:00007f88f38cf630 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f88f42d4620 RCX: 00007f88f358ebbc RDX: 000000000000002c RSI: 00007f88f42d4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007f88f38cf684 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f88f42d4670 R15: 0000000000000000 INFO: task syz-executor:31602 blocked for more than 146 seconds. Not tainted 6.13.0-syzkaller-07632-gaa22f4da2a46 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:21360 pid:31602 tgid:31602 ppid:1 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5377 [inline] __schedule+0x186c/0x4be0 kernel/sched/core.c:6764 __schedule_loop kernel/sched/core.c:6841 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6856 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730 rtnl_net_lock include/linux/rtnetlink.h:129 [inline] inet_rtm_newaddr+0x47e/0x1bd0 net/ipv4/devinet.c:987 rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6911 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:728 __sys_sendto+0x363/0x4c0 net/socket.c:2182 __do_sys_sendto net/socket.c:2189 [inline] __se_sys_sendto net/socket.c:2185 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2185 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: 0033:0x7fb3c7b8ebbc RSP: 002b:00007fb3c7ecf670 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fb3c88d4620 RCX: 00007fb3c7b8ebbc RDX: 0000000000000028 RSI: 00007fb3c88d4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007fb3c7ecf6c4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fb3c88d4670 R15: 0000000000000000 INFO: task syz-executor:31807 blocked for more than 146 seconds. Not tainted 6.13.0-syzkaller-07632-gaa22f4da2a46 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:22128 pid:31807 tgid:31807 ppid:1 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5377 [inline] __schedule+0x186c/0x4be0 kernel/sched/core.c:6764 __schedule_loop kernel/sched/core.c:6841 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6856 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnl_nets_lock net/core/rtnetlink.c:335 [inline] rtnl_newlink+0xce2/0x2210 net/core/rtnetlink.c:4020 rtnetlink_rcv_msg+0x791/0xcf0 net/core/rtnetlink.c:6911 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:728 __sys_sendto+0x363/0x4c0 net/socket.c:2182 __do_sys_sendto net/socket.c:2189 [inline] __se_sys_sendto net/socket.c:2185 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2185 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: 0033:0x7f620b38ebbc RSP: 002b:00007f620b6cf630 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f620c0d4620 RCX: 00007f620b38ebbc RDX: 0000000000000020 RSI: 00007f620c0d4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007f620b6cf684 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f620c0d4670 R15: 0000000000000000 INFO: task syz.3.5421:31928 blocked for more than 147 seconds. Not tainted 6.13.0-syzkaller-07632-gaa22f4da2a46 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.5421 state:D stack:24144 pid:31928 tgid:31927 ppid:31516 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5377 [inline] __schedule+0x186c/0x4be0 kernel/sched/core.c:6764 __schedule_loop kernel/sched/core.c:6841 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6856 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6917 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:728 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2568 ___sys_sendmsg net/socket.c:2622 [inline] __sys_sendmsg+0x269/0x350 net/socket.c:2654 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: 0033:0x7f301758cd29 RSP: 002b:00007f301835c038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f30177a5fa0 RCX: 00007f301758cd29 RDX: 0000000000044080 RSI: 0000000020000040 RDI: 0000000000000004 RBP: 00007f301760e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f30177a5fa0 R15: 00007f30178cfa28 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task syz.3.5421:31929 blocked for more than 147 seconds. Not tainted 6.13.0-syzkaller-07632-gaa22f4da2a46 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.3.5421 state:D stack:26808 pid:31929 tgid:31927 ppid:31516 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5377 [inline] __schedule+0x186c/0x4be0 kernel/sched/core.c:6764 __schedule_loop kernel/sched/core.c:6841 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6856 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6913 __mutex_lock_common kernel/locking/mutex.c:662 [inline] __mutex_lock+0x817/0x1010 kernel/locking/mutex.c:730 rtnl_lock net/core/rtnetlink.c:79 [inline] rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6917 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2543 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline] netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1348 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1892 sock_sendmsg_nosec net/socket.c:713 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:728 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2568 ___sys_sendmsg net/socket.c:2622 [inline] __sys_sendmsg+0x269/0x350 net/socket.c:2654 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: 0033:0x7f301758cd29 RSP: 002b:00007f301833b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f30177a6080 RCX: 00007f301758cd29 RDX: 0000000000004000 RSI: 0000000020000280 RDI: 0000000000000004 RBP: 00007f301760e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f30177a6080 R15: 00007f30178cfa28 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-07632-gaa22f4da2a46 #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+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+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/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: 31932 Comm: kworker/u8:0 Not tainted 6.13.0-syzkaller-07632-gaa22f4da2a46 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: bat_events batadv_nc_worker RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0x90 kernel/kcov.c:313 Code: 10 48 89 74 0a 18 4c 89 44 0a 20 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 4c 8b 04 24 65 48 8b 14 25 00 d6 03 00 65 8b 05 80 59 RSP: 0018:ffffc900033dfab0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88802e539e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8bc02f91 R09: 1ffffffff203716e R10: dffffc0000000000 R11: fffffbfff203716f R12: ffff88804f88cd80 R13: 00000000000002c8 R14: ffff8880325be400 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd7be66ccc CR3: 000000000e738000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 000000000000000a DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_read_unlock include/linux/rcupdate.h:878 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:412 [inline] batadv_nc_worker+0x1fe/0x610 net/batman-adv/network-coding.c:719 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+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244