audit: type=1800 audit(1664937993.841:552): pid=22603 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="sda1" ino=14669 res=0 Bluetooth: hci5: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.5:22562] Modules linked in: irq event stamp: 101502 hardirqs last enabled at (101501): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (101502): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (101494): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (101489): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (101489): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 22562 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:__rdmsr arch/x86/include/asm/msr.h:100 [inline] RIP: 0010:native_read_msr+0x6/0x30 arch/x86/include/asm/msr.h:129 Code: 04 31 c0 5b c3 83 e0 fd 88 43 1d e8 e4 0e 00 00 b8 01 00 00 00 5b c3 e8 d8 42 6f 00 eb db 90 90 90 90 90 90 41 54 89 f9 0f 32 <48> c1 e2 20 48 09 c2 49 89 d4 0f 1f 44 00 00 4c 89 e0 41 5c c3 4c RSP: 0018:ffff88809a54f100 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000034 RCX: 0000000000000034 RDX: 0000000000000000 RSI: ffffffff8101cf61 RDI: 0000000000000034 RBP: ffff88807879f558 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000007 R11: ffffffff8c66505b R12: 0000000000000000 R13: ffff88807879f380 R14: ffff88807879f380 R15: ffffed100f0f3eab FS: 00007fe513ca8700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020fb6000 CR3: 0000000068b84000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 00000000b8fecd19 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: paravirt_read_msr arch/x86/include/asm/paravirt.h:111 [inline] msr_read_counter arch/x86/events/msr.c:193 [inline] msr_event_update+0x88/0x270 arch/x86/events/msr.c:208 perf_output_read_group kernel/events/core.c:6215 [inline] perf_output_read+0xeb6/0x1270 kernel/events/core.c:6254 perf_output_sample+0xc1b/0x18f0 kernel/events/core.c:6296 __perf_event_output kernel/events/core.c:6621 [inline] perf_event_output_forward+0x12f/0x270 kernel/events/core.c:6634 __perf_event_overflow+0x13c/0x370 kernel/events/core.c:7907 perf_swevent_overflow kernel/events/core.c:7983 [inline] perf_swevent_event+0x347/0x550 kernel/events/core.c:8011 do_perf_sw_event kernel/events/core.c:8124 [inline] ___perf_sw_event+0x309/0x570 kernel/events/core.c:8155 __perf_sw_event+0x58/0x120 kernel/events/core.c:8167 perf_sw_event include/linux/perf_event.h:1074 [inline] __do_page_fault+0x80e/0xd60 arch/x86/mm/fault.c:1453 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1205 RIP: 0010:copy_user_enhanced_fast_string+0xe/0x20 arch/x86/lib/copy_user_64.S:181 Code: 89 d1 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 31 c0 0f 01 ca c3 0f 1f 80 00 00 00 00 0f 01 cb 83 fa 40 0f 82 70 ff ff ff 89 d1 a4 31 c0 0f 01 ca c3 66 2e 0f 1f 84 00 00 00 00 00 0f 01 cb 83 RSP: 0018:ffff88809a54fa50 EFLAGS: 00050206 RAX: ffffed1013a27ea0 RBX: 0000000000007500 RCX: 0000000000006fcb RDX: 0000000000007500 RSI: 0000000020fb6000 RDI: ffff88809d138535 RBP: 0000000020fb5acb R08: 0000000000000001 R09: ffffed1013a27e9f R10: ffff88809d13f4ff R11: 0000000000000000 R12: ffff88809d138000 R13: 0000000020fbcfcb R14: 00007ffffffff000 R15: 0000000000000000 copy_user_generic arch/x86/include/asm/uaccess_64.h:37 [inline] raw_copy_from_user arch/x86/include/asm/uaccess_64.h:71 [inline] copyin+0xcd/0xf0 lib/iov_iter.c:146 _copy_from_iter_full+0x1df/0x7c0 lib/iov_iter.c:724 copy_from_iter_full include/linux/uio.h:124 [inline] skb_do_copy_data_nocache include/net/sock.h:1971 [inline] skb_copy_to_page_nocache include/net/sock.h:1997 [inline] tcp_sendmsg_locked+0x126b/0x2f60 net/ipv4/tcp.c:1364 tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1462 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_sendto+0x21a/0x320 net/socket.c:1899 __do_sys_sendto net/socket.c:1911 [inline] __se_sys_sendto net/socket.c:1907 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe5153345a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe513ca8168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fe515455f80 RCX: 00007fe5153345a9 RDX: ffffffffffffffef RSI: 0000000020d7cfcb RDI: 0000000000000006 RBP: 00007fe51538f580 R08: 0000000000000000 R09: 0000000000000053 R10: 0000000000000240 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe448b09ff R14: 00007fe513ca8300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 17259 Comm: kworker/u4:0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Workqueue: bat_events batadv_nc_worker RIP: 0010:__lock_release kernel/locking/lockdep.c:3686 [inline] RIP: 0010:lock_release+0x2b0/0x8b0 kernel/locking/lockdep.c:3927 Code: 00 00 48 8d 78 22 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 0f b6 0c 11 48 89 fa 83 e2 07 83 c2 01 38 ca 7c 08 84 c9 <0f> 85 41 05 00 00 66 f7 40 22 f0 ff 74 37 48 8d 78 20 48 ba 00 00 RSP: 0018:ffff88809b04fc00 EFLAGS: 00000046 RAX: ffff88807e4dcad8 RBX: ffffffff8d243760 RCX: 0000000000000000 RDX: 0000000000000003 RSI: ffffffff89f85fa0 RDI: ffff88807e4dcafa RBP: ffffffff89f85fa0 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff11013609f83 R13: ffffffff87d8f075 R14: ffff88807e4dc200 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00a577000 CR3: 0000000098d7c000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:681 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline] batadv_nc_worker+0x66c/0xd50 net/batman-adv/network-coding.c:730 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