INFO: task syz-executor.5:12232 blocked for more than 143 seconds. Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.5 state:D stack:28464 pid:12232 ppid: 3633 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5184 [inline] __schedule+0xa09/0x4f10 kernel/sched/core.c:6496 schedule+0xd2/0x1f0 kernel/sched/core.c:6568 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6627 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x6eb/0x810 net/socket.c:2485 ___sys_sendmsg+0xf3/0x170 net/socket.c:2539 __sys_sendmsg net/socket.c:2568 [inline] __do_sys_sendmsg net/socket.c:2577 [inline] __se_sys_sendmsg net/socket.c:2575 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2575 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f5a0f289109 RSP: 002b:00007f5a10335168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f5a0f39c030 RCX: 00007f5a0f289109 RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000004 RBP: 00007f5a0f2e30ed R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcc87807cf R14: 00007f5a10335300 R15: 0000000000022000 INFO: task syz-executor.0:12239 blocked for more than 143 seconds. Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:27616 pid:12239 ppid: 3631 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5184 [inline] __schedule+0xa09/0x4f10 kernel/sched/core.c:6496 schedule+0xd2/0x1f0 kernel/sched/core.c:6568 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6627 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x21a/0x320 net/socket.c:2116 __do_sys_sendto net/socket.c:2128 [inline] __se_sys_sendto net/socket.c:2124 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2124 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f91cca3becc RSP: 002b:00007f91cdc2c000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f91cdc2c0f0 RCX: 00007f91cca3becc RDX: 0000000000000028 RSI: 00007f91cdc2c140 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007f91cdc2c054 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 00007f91cdc2c0a8 R13: 00007f91cdc2c140 R14: 0000000000000003 R15: 0000000000000000 INFO: task syz-executor.0:12244 blocked for more than 144 seconds. Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:28216 pid:12244 ppid: 3631 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5184 [inline] __schedule+0xa09/0x4f10 kernel/sched/core.c:6496 schedule+0xd2/0x1f0 kernel/sched/core.c:6568 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6627 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x21a/0x320 net/socket.c:2116 __do_sys_sendto net/socket.c:2128 [inline] __se_sys_sendto net/socket.c:2124 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2124 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f91cca3becc RSP: 002b:00007f91cdc0b000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f91cdc0b0f0 RCX: 00007f91cca3becc RDX: 0000000000000024 RSI: 00007f91cdc0b140 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007f91cdc0b054 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 00007f91cdc0b0a8 R13: 00007f91cdc0b140 R14: 0000000000000005 R15: 0000000000000000 INFO: task syz-executor.4:12237 blocked for more than 144 seconds. Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28032 pid:12237 ppid: 3634 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5184 [inline] __schedule+0xa09/0x4f10 kernel/sched/core.c:6496 schedule+0xd2/0x1f0 kernel/sched/core.c:6568 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6627 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x21a/0x320 net/socket.c:2116 __do_sys_sendto net/socket.c:2128 [inline] __se_sys_sendto net/socket.c:2124 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2124 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fba5083becc RSP: 002b:00007fba51a4c000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fba51a4c0f0 RCX: 00007fba5083becc RDX: 0000000000000028 RSI: 00007fba51a4c140 RDI: 0000000000000006 RBP: 0000000000000000 R08: 00007fba51a4c054 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 00007fba51a4c0a8 R13: 00007fba51a4c140 R14: 0000000000000006 R15: 0000000000000000 INFO: task syz-executor.4:12243 blocked for more than 144 seconds. Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28440 pid:12243 ppid: 3634 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5184 [inline] __schedule+0xa09/0x4f10 kernel/sched/core.c:6496 schedule+0xd2/0x1f0 kernel/sched/core.c:6568 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6627 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x21a/0x320 net/socket.c:2116 __do_sys_sendto net/socket.c:2128 [inline] __se_sys_sendto net/socket.c:2124 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2124 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fba5083becc RSP: 002b:00007fba51a2b000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fba51a2b0f0 RCX: 00007fba5083becc RDX: 0000000000000024 RSI: 00007fba51a2b140 RDI: 0000000000000009 RBP: 0000000000000000 R08: 00007fba51a2b054 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 00007fba51a2b0a8 R13: 00007fba51a2b140 R14: 0000000000000009 R15: 0000000000000000 INFO: task syz-executor.4:12273 blocked for more than 144 seconds. Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:28936 pid:12273 ppid: 3634 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5184 [inline] __schedule+0xa09/0x4f10 kernel/sched/core.c:6496 schedule+0xd2/0x1f0 kernel/sched/core.c:6568 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6627 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x21a/0x320 net/socket.c:2116 __do_sys_sendto net/socket.c:2128 [inline] __se_sys_sendto net/socket.c:2124 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2124 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fba5083becc RSP: 002b:00007fba51a0a000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fba51a0a0f0 RCX: 00007fba5083becc RDX: 0000000000000028 RSI: 00007fba51a0a140 RDI: 0000000000000008 RBP: 0000000000000000 R08: 00007fba51a0a054 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 00007fba51a0a0a8 R13: 00007fba51a0a140 R14: 0000000000000008 R15: 0000000000000000 INFO: task syz-executor.1:12241 blocked for more than 145 seconds. Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:28032 pid:12241 ppid: 3632 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5184 [inline] __schedule+0xa09/0x4f10 kernel/sched/core.c:6496 schedule+0xd2/0x1f0 kernel/sched/core.c:6568 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6627 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x21a/0x320 net/socket.c:2116 __do_sys_sendto net/socket.c:2128 [inline] __se_sys_sendto net/socket.c:2124 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2124 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f639243becc RSP: 002b:00007f6393524000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f63935240f0 RCX: 00007f639243becc RDX: 0000000000000024 RSI: 00007f6393524140 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007f6393524054 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 00007f63935240a8 R13: 00007f6393524140 R14: 0000000000000003 R15: 0000000000000000 INFO: task syz-executor.2:12354 blocked for more than 145 seconds. Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:28032 pid:12354 ppid: 3635 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5184 [inline] __schedule+0xa09/0x4f10 kernel/sched/core.c:6496 schedule+0xd2/0x1f0 kernel/sched/core.c:6568 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6627 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa70/0x1350 kernel/locking/mutex.c:747 genl_lock net/netlink/genetlink.c:33 [inline] genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 __sys_sendto+0x21a/0x320 net/socket.c:2116 __do_sys_sendto net/socket.c:2128 [inline] __se_sys_sendto net/socket.c:2124 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2124 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7fb839a3becc RSP: 002b:00007fb83aafc000 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fb83aafc0f0 RCX: 00007fb839a3becc RDX: 0000000000000024 RSI: 00007fb83aafc140 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007fb83aafc054 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 00007fb83aafc0a8 R13: 00007fb83aafc140 R14: 0000000000000003 R15: 0000000000000000 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8bd864f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/13: #0: ffffffff8bd861f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 1 lock held by khungtaskd/28: #0: ffffffff8bd87040 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6491 2 locks held by getty/3278: #0: ffff88814ab4b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc90002d162f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 drivers/tty/n_tty.c:2177 3 locks held by kworker/0:11/31774: #0: ffff88814a882138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88814a882138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88814a882138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88814a882138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88814a882138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88814a882138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc900147a7da8 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffffffff8d5a31a8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xe/0x20 net/ipv6/addrconf.c:4620 3 locks held by kworker/1:4/3130: #0: ffff88814a882138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88814a882138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88814a882138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff88814a882138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff88814a882138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff88814a882138 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc900045c7da8 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffffffff8d5a31a8 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xe/0x20 net/ipv6/addrconf.c:4620 2 locks held by kworker/1:0/9414: #0: ffff888011866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888011866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888011866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888011866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888011866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888011866538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc90014917da8 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 4 locks held by syz-executor.5/12228: #0: ffffffff8d63b410 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:802 #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 #2: ffffffff8d5a31a8 (rtnl_mutex){+.+.}-{3:3}, at: nl802154_pre_doit+0x634/0xd50 net/ieee802154/nl802154.c:2169 #3: ffffffff8bd91938 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:292 [inline] #3: ffffffff8bd91938 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x562/0x670 kernel/rcu/tree_exp.h:940 2 locks held by syz-executor.5/12232: #0: ffffffff8d63b410 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:802 #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 2 locks held by syz-executor.0/12239: #0: ffffffff8d63b410 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:802 #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 2 locks held by syz-executor.0/12244: #0: ffffffff8d63b410 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:802 #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 2 locks held by syz-executor.4/12237: #0: ffffffff8d63b410 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:802 #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 2 locks held by syz-executor.4/12243: #0: ffffffff8d63b410 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:802 #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 2 locks held by syz-executor.4/12273: #0: ffffffff8d63b410 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:802 #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 2 locks held by syz-executor.1/12241: #0: ffffffff8d63b410 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:802 #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 2 locks held by syz-executor.2/12354: #0: ffffffff8d63b410 (cb_lock){++++}-{3:3}, at: genl_rcv+0x15/0x40 net/netlink/genetlink.c:802 #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8d63b4c8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x3e0/0x580 net/netlink/genetlink.c:790 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline] watchdog+0xc18/0xf50 kernel/hung_task.c:369 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3726 Comm: kworker/u4:6 Not tainted 5.19.0-rc4-next-20220628-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 Workqueue: phy3 ieee80211_iface_work RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:30 [inline] RIP: 0010:__orc_find+0x6f/0xf0 arch/x86/kernel/unwind_orc.c:52 Code: 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 <48> 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 48 48 63 03 48 01 RSP: 0018:ffffc90003e9f530 EFLAGS: 00000a07 RAX: 1ffffffff1b8d865 RBX: ffffffff8dc6c32c RCX: ffffffff8100455e RDX: 0000000000000000 RSI: ffffffff8e358ce2 RDI: ffffffff8dc6c2e8 RBP: ffffffff8dc6c2e8 R08: ffffffff8bc00220 R09: ffffc90003e9f61c R10: fffff520007d3ec8 R11: 000000000008a07b R12: ffffffff8dc6c370 R13: ffffffff8dc6c2e8 R14: ffffffff8dc6c2e8 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c0229753f8 CR3: 000000000ba8e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: orc_find arch/x86/kernel/unwind_orc.c:173 [inline] unwind_next_frame+0x2a3/0x1cc0 arch/x86/kernel/unwind_orc.c:443 arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:436 [inline] ____kasan_kmalloc mm/kasan/common.c:515 [inline] ____kasan_kmalloc mm/kasan/common.c:474 [inline] __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:524 kmalloc include/linux/slab.h:605 [inline] ieee802_11_parse_elems_crc+0x14d/0x1050 net/mac80211/util.c:1508 ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2269 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1606 [inline] ieee80211_ibss_rx_queued_mgmt+0xc82/0x30d0 net/mac80211/ibss.c:1640 ieee80211_iface_process_skb net/mac80211/iface.c:1594 [inline] ieee80211_iface_work+0xa7f/0xd20 net/mac80211/iface.c:1648 process_one_work+0x991/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302