INFO: task kworker/u8:3:52 blocked for more than 144 seconds. Not tainted 6.12.0-rc7-syzkaller-01702-gd7ef9eeef072 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:3 state:D stack:23000 pid:52 tgid:52 ppid:2 flags:0x00004000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x184f/0x4c30 kernel/sched/core.c:6693 __schedule_loop kernel/sched/core.c:6770 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6785 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6842 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 mpls_net_exit+0x7d/0x2a0 net/mpls/af_mpls.c:2706 ops_exit_list net/core/net_namespace.c:172 [inline] cleanup_net+0x802/0xcc0 net/core/net_namespace.c:632 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 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 INFO: task kworker/u8:4:61 blocked for more than 146 seconds. Not tainted 6.12.0-rc7-syzkaller-01702-gd7ef9eeef072 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:4 state:D stack:21616 pid:61 tgid:61 ppid:2 flags:0x00004000 Workqueue: events_unbound linkwatch_event Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x184f/0x4c30 kernel/sched/core.c:6693 __schedule_loop kernel/sched/core.c:6770 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6785 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6842 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 linkwatch_event+0xe/0x60 net/core/link_watch.c:276 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 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 INFO: task syz.0.297:6825 blocked for more than 148 seconds. Not tainted 6.12.0-rc7-syzkaller-01702-gd7ef9eeef072 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.297 state:D stack:24984 pid:6825 tgid:6818 ppid:5848 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x184f/0x4c30 kernel/sched/core.c:6693 __schedule_loop kernel/sched/core.c:6770 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6785 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6842 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 __tun_chr_ioctl+0x48c/0x2400 drivers/net/tun.c:3121 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 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: 0033:0x7fc3bab7e759 RSP: 002b:00007fc3bba11038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc3bad35f80 RCX: 00007fc3bab7e759 RDX: 0000000020000200 RSI: 00000000400454ca RDI: 0000000000000003 RBP: 00007fc3babf175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc3bad35f80 R15: 00007ffe909d5618 INFO: task syz.0.297:6827 blocked for more than 150 seconds. Not tainted 6.12.0-rc7-syzkaller-01702-gd7ef9eeef072 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.297 state:D stack:27360 pid:6827 tgid:6818 ppid:5848 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x184f/0x4c30 kernel/sched/core.c:6693 __schedule_loop kernel/sched/core.c:6770 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6785 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6842 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 packet_mc_add+0x28/0x950 net/packet/af_packet.c:3752 packet_setsockopt+0x104f/0x1970 net/packet/af_packet.c:3874 do_sock_setsockopt+0x3af/0x720 net/socket.c:2336 __sys_setsockopt+0x1a2/0x250 net/socket.c:2359 __do_sys_setsockopt net/socket.c:2368 [inline] __se_sys_setsockopt net/socket.c:2365 [inline] __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2365 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: 0033:0x7fc3bab7e759 RSP: 002b:00007fc3bb9f0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007fc3bad36058 RCX: 00007fc3bab7e759 RDX: 0000000000000001 RSI: 0000000000000107 RDI: 0000000000000005 RBP: 00007fc3babf175e R08: 0000000000000010 R09: 0000000000000000 R10: 0000000020000080 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fc3bad36058 R15: 00007ffe909d5618 INFO: task syz.0.297:6837 blocked for more than 151 seconds. Not tainted 6.12.0-rc7-syzkaller-01702-gd7ef9eeef072 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.297 state:D stack:27360 pid:6837 tgid:6818 ppid:5848 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x184f/0x4c30 kernel/sched/core.c:6693 __schedule_loop kernel/sched/core.c:6770 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6785 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6842 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 __tun_chr_ioctl+0x48c/0x2400 drivers/net/tun.c:3121 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 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: 0033:0x7fc3bab7e759 RSP: 002b:00007fc3bb98d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc3bad362e0 RCX: 00007fc3bab7e759 RDX: 0000000020000040 RSI: 000000008002f515 RDI: 0000000000000003 RBP: 00007fc3babf175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fc3bad362e0 R15: 00007ffe909d5618 INFO: task syz.0.297:6841 blocked for more than 152 seconds. Not tainted 6.12.0-rc7-syzkaller-01702-gd7ef9eeef072 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.0.297 state:D stack:26712 pid:6841 tgid:6818 ppid:5848 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x184f/0x4c30 kernel/sched/core.c:6693 __schedule_loop kernel/sched/core.c:6770 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6785 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6842 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 rtnl_net_lock include/linux/rtnetlink.h:128 [inline] devinet_ioctl+0x31a/0x1ac0 net/ipv4/devinet.c:1129 inet_ioctl+0x3d7/0x4f0 net/ipv4/af_inet.c:1001 sock_do_ioctl+0x158/0x460 net/socket.c:1227 sock_ioctl+0x626/0x8e0 net/socket.c:1346 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xf9/0x170 fs/ioctl.c:893 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: 0033:0x7fc3bab7e759 RSP: 002b:00007fc3bb94b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc3bad36490 RCX: 00007fc3bab7e759 RDX: 0000000020000280 RSI: 0000000000008914 RDI: 0000000000000009 RBP: 00007fc3babf175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fc3bad36490 R15: 00007ffe909d5618 INFO: task syz.2.298:6832 blocked for more than 153 seconds. Not tainted 6.12.0-rc7-syzkaller-01702-gd7ef9eeef072 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.298 state:D stack:23480 pid:6832 tgid:6830 ppid:5852 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5328 [inline] __schedule+0x184f/0x4c30 kernel/sched/core.c:6693 __schedule_loop kernel/sched/core.c:6770 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6785 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6842 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752 ip_mroute_setsockopt+0x15b/0x1190 net/ipv4/ipmr.c:1370 do_ip_setsockopt+0x129f/0x3cd0 net/ipv4/ip_sockglue.c:948 ip_setsockopt+0x63/0x100 net/ipv4/ip_sockglue.c:1417 do_sock_setsockopt+0x3af/0x720 net/socket.c:2336 __sys_setsockopt+0x1a2/0x250 net/socket.c:2359 __do_sys_setsockopt net/socket.c:2368 [inline] __se_sys_setsockopt net/socket.c:2365 [inline] __x64_sys_setsockopt+0xb5/0xd0 net/socket.c:2365 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: 0033:0x7f06c577e759 RSP: 002b:00007f06c64cf038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f06c5935f80 RCX: 00007f06c577e759 RDX: 00000000000000c8 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f06c57f175e R08: 0000000000000004 R09: 0000000000000000 R10: 0000000020000240 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f06c5935f80 R15: 00007fff90926068 INFO: task syz.2.298:6836 blocked for more than 154 seconds. Not tainted 6.12.0-rc7-syzkaller-01702-gd7ef9eeef072 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.298 state:D stack:27360 pid:6836 tgid:6830 ppid:5852 flags:0x00000004