INFO: task syz-executor.1:5558 blocked for more than 143 seconds. Not tainted 6.9.0-rc4-syzkaller-00214-g13a2e429f644 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:27768 pid:5558 tgid:5516 ppid:5098 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 bfs_lookup+0x139/0x270 fs/bfs/dir.c:136 __lookup_slow+0x28e/0x3f0 fs/namei.c:1692 lookup_slow+0x53/0x70 fs/namei.c:1709 walk_component fs/namei.c:2004 [inline] link_path_walk+0x9ea/0xea0 fs/namei.c:2331 path_parentat fs/namei.c:2532 [inline] __filename_parentat+0x263/0x6f0 fs/namei.c:2556 filename_parentat fs/namei.c:2574 [inline] filename_create+0xf6/0x540 fs/namei.c:3873 do_mkdirat+0xbd/0x3a0 fs/namei.c:4138 __do_sys_mkdirat fs/namei.c:4161 [inline] __se_sys_mkdirat fs/namei.c:4159 [inline] __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4159 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efdfe07dea9 RSP: 002b:00007efdfee850c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007efdfe1ac120 RCX: 00007efdfe07dea9 RDX: 00000000000001ff RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007efdfe0ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007efdfe1ac120 R15: 00007fff593683a8 INFO: task syz-executor.1:5559 blocked for more than 144 seconds. Not tainted 6.9.0-rc4-syzkaller-00214-g13a2e429f644 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:26712 pid:5559 tgid:5516 ppid:5098 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 d_wait_lookup fs/dcache.c:2449 [inline] d_alloc_parallel+0xc19/0x1600 fs/dcache.c:2531 __lookup_slow+0x117/0x3f0 fs/namei.c:1677 lookup_slow+0x53/0x70 fs/namei.c:1709 walk_component fs/namei.c:2004 [inline] link_path_walk+0x9ea/0xea0 fs/namei.c:2331 path_lookupat+0xa9/0x450 fs/namei.c:2484 do_o_path+0x95/0x230 fs/namei.c:3770 path_openat+0x2aa0/0x3240 fs/namei.c:3792 do_filp_open+0x235/0x490 fs/namei.c:3826 do_sys_openat2+0x13e/0x1d0 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1432 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efdfe07dea9 RSP: 002b:00007efdfee640c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007efdfe1ac1f0 RCX: 00007efdfe07dea9 RDX: 0000000000200002 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007efdfe0ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007efdfe1ac1f0 R15: 00007fff593683a8 INFO: task syz-executor.4:5534 blocked for more than 145 seconds. Not tainted 6.9.0-rc4-syzkaller-00214-g13a2e429f644 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:27288 pid:5534 tgid:5518 ppid:5110 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6895 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752 bfs_lookup+0x139/0x270 fs/bfs/dir.c:136 __lookup_slow+0x28e/0x3f0 fs/namei.c:1692 lookup_slow+0x53/0x70 fs/namei.c:1709 walk_component fs/namei.c:2004 [inline] link_path_walk+0x9ea/0xea0 fs/namei.c:2331 path_parentat fs/namei.c:2532 [inline] __filename_parentat+0x263/0x6f0 fs/namei.c:2556 filename_parentat fs/namei.c:2574 [inline] filename_create+0xf6/0x540 fs/namei.c:3873 do_mkdirat+0xbd/0x3a0 fs/namei.c:4138 __do_sys_mkdirat fs/namei.c:4161 [inline] __se_sys_mkdirat fs/namei.c:4159 [inline] __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4159 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f820287dea9 RSP: 002b:00007f82023ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f82029ac120 RCX: 00007f820287dea9 RDX: 00000000000001ff RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007f82028ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f82029ac120 R15: 00007ffd15c09ae8 INFO: task syz-executor.4:5537 blocked for more than 146 seconds. Not tainted 6.9.0-rc4-syzkaller-00214-g13a2e429f644 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:26680 pid:5537 tgid:5518 ppid:5110 flags:0x00000006 Call Trace: context_switch kernel/sched/core.c:5409 [inline] __schedule+0x17e8/0x4a50 kernel/sched/core.c:6746 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x14b/0x320 kernel/sched/core.c:6838 d_wait_lookup fs/dcache.c:2449 [inline] d_alloc_parallel+0xc19/0x1600 fs/dcache.c:2531 __lookup_slow+0x117/0x3f0 fs/namei.c:1677 lookup_slow+0x53/0x70 fs/namei.c:1709 walk_component fs/namei.c:2004 [inline] link_path_walk+0x9ea/0xea0 fs/namei.c:2331 path_lookupat+0xa9/0x450 fs/namei.c:2484 do_o_path+0x95/0x230 fs/namei.c:3770 path_openat+0x2aa0/0x3240 fs/namei.c:3792 do_filp_open+0x235/0x490 fs/namei.c:3826 do_sys_openat2+0x13e/0x1d0 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1432 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f820287dea9 RSP: 002b:00007f82023de0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f82029ac1f0 RCX: 00007f820287dea9 RDX: 0000000000200002 RSI: 0000000020000000 RDI: ffffffffffffff9c RBP: 00007f82028ca4a4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f82029ac1f0 R15: 00007ffd15c09ae8 Showing all locks held in the system: 1 lock held by khungtaskd/29: #0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #0: ffffffff8e334d20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6614 2 locks held by kworker/u8:2/34: #0: ffff888015081148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline] #0: ffff888015081148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x17c0 kernel/workqueue.c:3335 #1: ffff8880b9528948 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x441/0x770 kernel/sched/psi.c:988 4 locks held by kworker/u8:3/50: 2 locks held by getty/4838: #0: ffff88802f9f80a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 drivers/tty/n_tty.c:2201 3 locks held by kworker/0:3/5158: #0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3229 [inline] #0: ffff888015078948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x17c0 kernel/workqueue.c:3335 #1: ffffc900030dfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3230 [inline] #1: ffffc900030dfd00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x17c0 kernel/workqueue.c:3335 #2: ffffffff8f5a5348 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276 2 locks held by syz-executor.1/5517: 2 locks held by syz-executor.1/5553: 2 locks held by syz-executor.1/5558: #0: ffff88805e498690 (&type->i_mutex_dir_key#14){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:805 [inline] #0: ffff88805e498690 (&type->i_mutex_dir_key#14){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1708 #1: ffff88802b12b0d8 (&info->bfs_lock){+.+.}-{3:3}, at: bfs_lookup+0x139/0x270 fs/bfs/dir.c:136 1 lock held by syz-executor.1/5559: #0: ffff88805e498690 (&type->i_mutex_dir_key#14){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:805 [inline] #0: ffff88805e498690 (&type->i_mutex_dir_key#14){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1708 3 locks held by syz-executor.4/5520: 2 locks held by syz-executor.4/5533: 2 locks held by syz-executor.4/5534: #0: ffff88805e498168 (&type->i_mutex_dir_key#14){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:805 [inline] #0: ffff88805e498168 (&type->i_mutex_dir_key#14){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1708 #1: ffff88801b31acd8 (&info->bfs_lock){+.+.}-{3:3}, at: bfs_lookup+0x139/0x270 fs/bfs/dir.c:136 1 lock held by syz-executor.4/5537: #0: ffff88805e498168 (&type->i_mutex_dir_key#14){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:805 [inline] #0: ffff88805e498168 (&type->i_mutex_dir_key#14){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1708 2 locks held by syz-executor.3/5690: 2 locks held by syz-executor.3/5730: 2 locks held by syz-executor.3/5731: #0: ffff888037aa4168 (&type->i_mutex_dir_key#14){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:805 [inline] #0: ffff888037aa4168 (&type->i_mutex_dir_key#14){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1708 #1: ffff88801f31ced8 (&info->bfs_lock){+.+.}-{3:3}, at: bfs_lookup+0x139/0x270 fs/bfs/dir.c:136 1 lock held by syz-executor.3/5732: #0: ffff888037aa4168 (&type->i_mutex_dir_key#14){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:805 [inline] #0: ffff888037aa4168 (&type->i_mutex_dir_key#14){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1708 1 lock held by syz-executor.0/7255: #0: ffffffff8f5a5348 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5a5348 (rtnl_mutex){+.+.}-{3:3}, at: __rtnl_newlink net/core/rtnetlink.c:3704 [inline] #0: ffffffff8f5a5348 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_newlink+0xab5/0x20a0 net/core/rtnetlink.c:3727 3 locks held by syz-executor.4/7292: #0: ffff88807e1ca678 (nlk_cb_mutex-SOCK_DIAG){+.+.}-{3:3}, at: __netlink_dump_start+0x119/0x780 net/netlink/af_netlink.c:2350 #1: ffff8880361f0498 (&net->packet.sklist_lock){+.+.}-{3:3}, at: packet_diag_dump+0x1ae/0x22c0 net/packet/diag.c:200 #2: ffffffff8f5a5348 (rtnl_mutex){+.+.}-{3:3}, at: pdiag_put_mclist net/packet/diag.c:47 [inline] #2: ffffffff8f5a5348 (rtnl_mutex){+.+.}-{3:3}, at: sk_diag_fill net/packet/diag.c:160 [inline] #2: ffffffff8f5a5348 (rtnl_mutex){+.+.}-{3:3}, at: packet_diag_dump+0xbb9/0x22c0 net/packet/diag.c:207 3 locks held by syz-executor.2/7311: #0: ffffffff8f60a130 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1216 #1: ffffffff8f609fe8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8f609fe8 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:58 [inline] #1: ffffffff8f609fe8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x121/0xec0 net/netlink/genetlink.c:1207 #2: ffffffff8f5a5348 (rtnl_mutex){+.+.}-{3:3}, at: ieee802154_nl_fill_phy+0xf2/0x790 net/ieee802154/nl-phy.c:45 2 locks held by syz-executor.2/7312: #0: ffffffff8f60a130 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1216 #1: ffffffff8f609fe8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8f609fe8 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:58 [inline] #1: ffffffff8f609fe8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x121/0xec0 net/netlink/genetlink.c:1207 2 locks held by syz-executor.2/7313: #0: ffffffff8f60a130 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1216 #1: ffffffff8f609fe8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8f609fe8 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:58 [inline] #1: ffffffff8f609fe8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x121/0xec0 net/netlink/genetlink.c:1207 2 locks held by syz-executor.2/7316: #0: ffffffff8f60a130 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1216 #1: ffffffff8f609fe8 (genl_mutex){+.+.}-{3:3}, at: genl_lock net/netlink/genetlink.c:33 [inline] #1: ffffffff8f609fe8 (genl_mutex){+.+.}-{3:3}, at: genl_op_lock net/netlink/genetlink.c:58 [inline] #1: ffffffff8f609fe8 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg+0x121/0xec0 net/netlink/genetlink.c:1207 1 lock held by syz-executor.2/7317: #0: ffffffff8f5a5348 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:79 [inline] #0: ffffffff8f5a5348 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x10d0 net/core/rtnetlink.c:6592 1 lock held by syz-executor.1/7319: #0: ffffffff8f5a5348 (rtnl_mutex){+.+.}-{3:3}, at: __tun_chr_ioctl+0x48f/0x2400 drivers/net/tun.c:3110 1 lock held by syz-executor.3/7331: #0: ffffffff8e33a0b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:323 [inline] #0: ffffffff8e33a0b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x463/0x820 kernel/rcu/tree_exp.h:939 2 locks held by syz-executor.3/7332: #0: ffff88806109a678 (nlk_cb_mutex-ROUTE){+.+.}-{3:3}, at: __netlink_dump_start+0x119/0x780 net/netlink/af_netlink.c:2350 #1: ffffffff8f5a5348 (rtnl_mutex){+.+.}-{3:3}, at: netlink_dump+0x5d3/0xe50 net/netlink/af_netlink.c:2268 1 lock held by syz-executor.5/7335: #0: ffff8880608aa610 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:795 [inline] #0: ffff8880608aa610 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release net/socket.c:658 [inline] #0: ffff8880608aa610 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 net/socket.c:1421 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.9.0-rc4-syzkaller-00214-g13a2e429f644 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 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:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0xfde/0x1020 kernel/hung_task.c:380 kthread+0x2f2/0x390 kernel/kthread.c:388 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 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 PID: 5159 Comm: kworker/1:5 Not tainted 6.9.0-rc4-syzkaller-00214-g13a2e429f644 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: wg-crypt-wg0 wg_packet_tx_worker RIP: 0010:unwind_next_frame+0x6f4/0x2a00 Code: 75 1e e8 1f bb 54 00 4d 89 f7 48 8b 2c 24 e9 8c 14 00 00 e8 0e bb 54 00 4d 89 f7 e9 60 14 00 00 e8 01 bb 54 00 48 8b 54 24 10 4d e8 f5 ba 54 00 eb 18 e8 ee ba 54 00 eb 11 e8 e7 ba 54 00 eb RSP: 0018:ffffc90000a08608 EFLAGS: 00000246 RAX: ffffffff8141465f RBX: 0000000000000002 RCX: ffff88802a761e00 RDX: ffffc90000a08715 RSI: ffffffff8e1a2f00 RDI: 0000000000000002 RBP: ffffffff9080e6c8 R08: 0000000000000003 R09: ffffffff81414632 R10: 0000000000000002 R11: ffff88802a761e00 R12: ffffffff8ff282c0 R13: dffffc0000000000 R14: 1ffff920001410dc R15: ffffffff9080e6c4 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0b128d56c6 CR3: 000000008f2d2000 CR4: 0000000000350ef0 Call Trace: arch_stack_walk+0x151/0x1b0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xa6/0xe0 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2106 [inline] slab_free mm/slub.c:4280 [inline] kmem_cache_free+0x10b/0x2c0 mm/slub.c:4344 skb_kfree_head net/core/skbuff.c:1094 [inline] skb_free_head net/core/skbuff.c:1108 [inline] skb_release_data+0x556/0x870 net/core/skbuff.c:1136 skb_release_all net/core/skbuff.c:1202 [inline] __kfree_skb net/core/skbuff.c:1216 [inline] consume_skb+0xb3/0x160 net/core/skbuff.c:1432 mac80211_hwsim_beacon_tx+0x3be/0x7e0 drivers/net/wireless/virtual/mac80211_hwsim.c:2300 __iterate_interfaces+0x225/0x4c0 net/mac80211/util.c:772 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:808 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2326 __run_hrtimer kernel/time/hrtimer.c:1692 [inline] __hrtimer_run_queues+0x5a7/0xd50 kernel/time/hrtimer.c:1756 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1773 __do_softirq+0x2c8/0x980 kernel/softirq.c:554 do_softirq+0x11b/0x1e0 kernel/softirq.c:455 __local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382 wg_socket_send_skb_to_peer+0x176/0x1d0 drivers/net/wireguard/socket.c:184 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline] wg_packet_tx_worker+0x1bf/0x810 drivers/net/wireguard/send.c:276 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3335 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416 kthread+0x2f2/0x390 kernel/kthread.c:388 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244