Bluetooth: hci3: command 0x0406 tx timeout ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task kworker/0:0:5 blocked for more than 140 seconds. Not tainted 4.19.206-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/0:0 D26208 5 2 0x80000000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1015 [inline] __mutex_lock+0x604/0x1200 kernel/locking/mutex.c:1083 addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INFO: task kworker/1:2:4385 blocked for more than 140 seconds. Not tainted 4.19.206-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/1:2 D25680 4385 2 0x80000000 Workqueue: events linkwatch_event Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1015 [inline] __mutex_lock+0x604/0x1200 kernel/locking/mutex.c:1083 linkwatch_event+0xb/0x60 net/core/link_watch.c:236 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INFO: task kworker/1:3:9225 blocked for more than 140 seconds. Not tainted 4.19.206-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/1:3 D26208 9225 2 0x80000000 Workqueue: ipv6_addrconf addrconf_dad_work Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1015 [inline] __mutex_lock+0x604/0x1200 kernel/locking/mutex.c:1083 addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INFO: task kworker/u4:7:9557 blocked for more than 140 seconds. Not tainted 4.19.206-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:7 D27168 9557 2 0x80000000 Workqueue: cfg80211 cfg80211_dfs_channels_update_work Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1015 [inline] __mutex_lock+0x604/0x1200 kernel/locking/mutex.c:1083 cfg80211_dfs_channels_update_work+0x98/0x5a0 net/wireless/mlme.c:777 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INFO: task kworker/u4:8:10338 blocked for more than 140 seconds. Not tainted 4.19.206-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:8 D25992 10338 2 0x80000000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1015 [inline] __mutex_lock+0x604/0x1200 kernel/locking/mutex.c:1083 netdev_wait_allrefs net/core/dev.c:8899 [inline] netdev_run_todo+0x7e9/0xab0 net/core/dev.c:8988 default_device_exit_batch+0x304/0x3c0 net/core/dev.c:9796 ops_exit_list+0xf9/0x150 net/core/net_namespace.c:156 cleanup_net+0x3b4/0x8b0 net/core/net_namespace.c:553 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INFO: task syz-executor.2:15286 blocked for more than 140 seconds. Not tainted 4.19.206-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D30048 15286 15006 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1015 [inline] __mutex_lock+0x604/0x1200 kernel/locking/mutex.c:1083 dev_ioctl+0x19d/0xc50 net/core/dev_ioctl.c:487 sock_do_ioctl+0x178/0x300 net/socket.c:1038 sock_ioctl+0x2ef/0x5d0 net/socket.c:1135 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff77d82c739 Code: Bad RIP value. RSP: 002b:00007ff77ad82188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff77d931038 RCX: 00007ff77d82c739 RDX: 0000000020000040 RSI: 0000000000008914 RDI: 0000000000000005 RBP: 00007ff77d886cc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff77d931038 R13: 00007ffd1167df9f R14: 00007ff77ad82300 R15: 0000000000022000 INFO: task syz-executor.2:15325 blocked for more than 140 seconds. Not tainted 4.19.206-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D29912 15325 15006 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1015 [inline] __mutex_lock+0x604/0x1200 kernel/locking/mutex.c:1083 dev_ioctl+0x19d/0xc50 net/core/dev_ioctl.c:487 sock_do_ioctl+0x178/0x300 net/socket.c:1038 sock_ioctl+0x2ef/0x5d0 net/socket.c:1135 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff77d82c739 Code: Bad RIP value. RSP: 002b:00007ff77acfe188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007ff77d931318 RCX: 00007ff77d82c739 RDX: 0000000020000900 RSI: 0000000000008914 RDI: 0000000000000004 RBP: 00007ff77d886cc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff77d931318 R13: 00007ffd1167df9f R14: 00007ff77acfe300 R15: 0000000000022000 INFO: task syz-executor.0:15303 blocked for more than 140 seconds. Not tainted 4.19.206-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28240 15303 8140 0x80000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1015 [inline] __mutex_lock+0x604/0x1200 kernel/locking/mutex.c:1083 addrconf_set_dstaddr+0x9d/0x430 net/ipv6/addrconf.c:2765 inet6_ioctl+0x158/0x1b0 net/ipv6/af_inet6.c:566 sock_do_ioctl+0xce/0x300 net/socket.c:1015 sock_ioctl+0x2ef/0x5d0 net/socket.c:1135 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f8ba72c6739 Code: Bad RIP value. RSP: 002b:00007f8ba483d188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8ba73caf80 RCX: 00007f8ba72c6739 RDX: 0000000020000080 RSI: 0000000000008918 RDI: 0000000000000004 RBP: 00007f8ba7320cc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8ba73caf80 R13: 00007ffed6f4b99f R14: 00007f8ba483d300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by systemd/1: 3 locks held by kworker/0:0/5: #0: 00000000e4e5b1d0 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000001761a56a ((work_completion)(&(&ifa->dad_work)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000001d86fa55 (rtnl_mutex){+.+.}, at: addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 2 locks held by kworker/1:0/19: 3 locks held by kworker/u4:2/35: 1 lock held by khungtaskd/1570: #0: 00000000fae9f3f4 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by khugepaged/1577: 3 locks held by kworker/0:2/3570: #0: 000000002c0c31de ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000871ff9d3 (deferred_process_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000001d86fa55 (rtnl_mutex){+.+.}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150 3 locks held by kworker/u4:5/3587: 3 locks held by kworker/1:2/4385: #0: 000000002c0c31de ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000fca93afc ((linkwatch_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000001d86fa55 (rtnl_mutex){+.+.}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:236 1 lock held by systemd-journal/4688: 1 lock held by systemd-udevd/4697: 1 lock held by systemd-timesyn/6171: 1 lock held by in:imklog/7824: #0: 00000000f912e1cf (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by agetty/8046: #0: 00000000c2ba35f6 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000a410d99d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 2 locks held by syz-fuzzer/8114: 1 lock held by syz-fuzzer/8127: #0: 000000008b18153f (&mm->mmap_sem){++++}, at: __do_page_fault+0x97f/0xd60 arch/x86/mm/fault.c:1348 3 locks held by kworker/1:3/9225: #0: 00000000e4e5b1d0 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 0000000058f6bbcd ((work_completion)(&(&ifa->dad_work)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000001d86fa55 (rtnl_mutex){+.+.}, at: addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 2 locks held by kworker/u4:6/9538: 3 locks held by kworker/u4:7/9557: #0: 000000006b623ef8 ((wq_completion)"cfg80211"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000aacbe4b6 ((work_completion)(&(&rdev->dfs_update_channels_wk)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000001d86fa55 (rtnl_mutex){+.+.}, at: cfg80211_dfs_channels_update_work+0x98/0x5a0 net/wireless/mlme.c:777 4 locks held by kworker/u4:8/10338: #0: 00000000628d9cd4 ((wq_completion)"%s""netns"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 0000000054588718 (net_cleanup_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 0000000096a832d7 (pernet_ops_rwsem){++++}, at: cleanup_net+0xa8/0x8b0 net/core/net_namespace.c:520 #3: 000000001d86fa55 (rtnl_mutex){+.+.}, at: netdev_wait_allrefs net/core/dev.c:8899 [inline] #3: 000000001d86fa55 (rtnl_mutex){+.+.}, at: netdev_run_todo+0x7e9/0xab0 net/core/dev.c:8988 1 lock held by syz-executor.2/15281: 1 lock held by syz-executor.2/15286: #0: 000000001d86fa55 (rtnl_mutex){+.+.}, at: dev_ioctl+0x19d/0xc50 net/core/dev_ioctl.c:487 1 lock held by syz-executor.2/15325: #0: 000000001d86fa55 (rtnl_mutex){+.+.}, at: dev_ioctl+0x19d/0xc50 net/core/dev_ioctl.c:487 1 lock held by syz-executor.3/15302: 1 lock held by syz-executor.0/15303: #0: 000000001d86fa55 (rtnl_mutex){+.+.}, at: addrconf_set_dstaddr+0x9d/0x430 net/ipv6/addrconf.c:2765 2 locks held by syz-executor.4/15318: ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.206-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 15302 Comm: syz-executor.3 Not tainted 4.19.206-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:23 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:67 [inline] RIP: 0010:write_comp_data+0xf/0x70 kernel/kcov.c:122 Code: 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 c3 0f 1f 84 00 00 00 00 00 49 89 f1 49 89 fa 65 48 8b 34 25 c0 df 01 00 <65> 8b 05 2a 4c 9f 7e a9 00 01 1f 00 75 4f 8b 86 60 13 00 00 83 f8 RSP: 0018:ffff8880ba1075d8 EFLAGS: 00000006 RAX: ffff888092d58180 RBX: 0000000000000001 RCX: ffffffff81543b2e RDX: 0000000000000001 RSI: ffff888092d58180 RDI: 0000000000000005 RBP: 00000089edfeca5f R08: 0000000000000000 R09: 0000000000000007 R10: 0000000000000005 R11: ffffffff8c66405b R12: 0000000000000086 R13: ffff888046914f18 R14: ffff8880ba124d40 R15: dffffc0000000000 FS: 00007f357d20d700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f980db62ab4 CR3: 0000000044b33000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cpu_max_bits_warn include/linux/cpumask.h:121 [inline] cpumask_check include/linux/cpumask.h:128 [inline] cpumask_test_cpu include/linux/cpumask.h:344 [inline] trace_hrtimer_cancel include/trace/events/timer.h:285 [inline] debug_deactivate kernel/time/hrtimer.c:472 [inline] __run_hrtimer kernel/time/hrtimer.c:1389 [inline] __hrtimer_run_queues+0x1de/0xe60 kernel/time/hrtimer.c:1481 hrtimer_interrupt+0x326/0x9e0 kernel/time/hrtimer.c:1539 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline] smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:unwind_next_frame+0xef7/0x1400 arch/x86/kernel/unwind_orc.c:580 Code: 93 c1 49 39 d4 0f 92 c0 84 c1 74 0b 48 3b 6c 24 18 0f 86 5f 01 00 00 bf 01 00 00 00 e8 52 db 17 00 65 8b 15 6b 3f d8 7e 85 d2 01 00 00 00 0f 85 90 f1 ff ff e8 23 9d d6 ff e9 86 f1 ff ff 49 RSP: 0018:ffff8880ba107890 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000080000101 RBX: 1ffff11017420f1b RCX: 0000000000000000 RDX: 0000000080000100 RSI: ffff8880ba107820 RDI: 0000000000000001 RBP: ffff8880aa167a58 R08: 0000000000000001 R09: 0000000000000001 R10: ffff8880ba107a1f R11: 0000000000074071 R12: ffff8880aa160000 R13: ffff8880ba1079f5 R14: ffff8880ba1079c0 R15: ffffffff8bfd12fa __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc_node mm/slab.c:3340 [inline] kmem_cache_alloc_node+0x133/0x3b0 mm/slab.c:3647 __alloc_skb+0x71/0x560 net/core/skbuff.c:193 alloc_skb include/linux/skbuff.h:995 [inline] bcm_can_tx+0x259/0x800 net/can/bcm.c:287 bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:qlist_free_all+0x101/0x140 mm/kasan/quarantine.c:161 Code: ff 83 e2 01 48 0f 45 c1 4c 8b 70 18 e9 40 ff ff ff e8 a3 40 cf ff 48 83 3d d3 0c 59 08 00 74 38 4c 89 ff 57 9d 0f 1f 44 00 00 <4d> 85 e4 75 9e 49 c7 45 08 00 00 00 00 49 c7 45 00 00 00 00 00 49 RSP: 0018:ffff8880aa166c20 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: ffff888090dda2c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff888092d58a08 RDI: 0000000000000286 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809dcd0d00 R13: ffff8880aa166c58 R14: ffff8880b5b8fd80 R15: 0000000000000286 quarantine_reduce+0x1a9/0x230 mm/kasan/quarantine.c:259 kasan_kmalloc+0xa2/0x160 mm/kasan/kasan.c:538 kmem_cache_alloc_node_trace+0x151/0x3b0 mm/slab.c:3668 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x38/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0xae/0x560 net/core/skbuff.c:205 alloc_skb include/linux/skbuff.h:995 [inline] alloc_skb_with_frags+0x92/0x570 net/core/skbuff.c:5333 sock_alloc_send_pskb+0x6e1/0x830 net/core/sock.c:2090 __ip_append_data+0x136d/0x2580 net/ipv4/ip_output.c:989 ip_make_skb+0x226/0x2a0 net/ipv4/ip_output.c:1517 udp_sendmsg+0x1c76/0x2550 net/ipv4/udp.c:1130 udpv6_sendmsg+0x14b2/0x2ae0 net/ipv6/udp.c:1224 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x3b3/0x8e0 net/socket.c:2227 __sys_sendmmsg+0x195/0x470 net/socket.c:2322 Lost 14 message(s)! ---------------- Code disassembly (best guess): 0: 8b 11 mov (%rcx),%edx 2: 48 83 c2 01 add $0x1,%rdx 6: 48 39 d0 cmp %rdx,%rax 9: 76 07 jbe 0x12 b: 48 89 34 d1 mov %rsi,(%rcx,%rdx,8) f: 48 89 11 mov %rdx,(%rcx) 12: c3 retq 13: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 1a: 00 1b: 49 89 f1 mov %rsi,%r9 1e: 49 89 fa mov %rdi,%r10 21: 65 48 8b 34 25 c0 df mov %gs:0x1dfc0,%rsi 28: 01 00 * 2a: 65 8b 05 2a 4c 9f 7e mov %gs:0x7e9f4c2a(%rip),%eax # 0x7e9f4c5b <-- trapping instruction 31: a9 00 01 1f 00 test $0x1f0100,%eax 36: 75 4f jne 0x87 38: 8b 86 60 13 00 00 mov 0x1360(%rsi),%eax 3e: 83 .byte 0x83 3f: f8 clc