Warning: Permanently added '10.128.0.10' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 67.493009] audit: type=1400 audit(1585596679.509:36): avc: denied { map } for pid=7998 comm="syz-executor043" path="/root/syz-executor043985056" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 67.515221] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 67.535102] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 67.584123] audit: type=1400 audit(1585596679.549:37): avc: denied { prog_load } for pid=8005 comm="syz-executor043" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 executing program executing program executing program executing program executing program executing program [ 67.652102] audit: type=1400 audit(1585596679.579:38): avc: denied { prog_run } for pid=8006 comm="syz-executor043" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 executing program executing program executing program [ 67.742329] audit: type=1400 audit(1585596679.579:39): avc: denied { prog_run } for pid=8005 comm="syz-executor043" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 70.661142] ------------[ cut here ]------------ [ 70.677274] WARNING: CPU: 0 PID: 8437 at net/kcm/kcmsock.c:629 kcm_write_msgs.cold+0x10f/0x13b [ 70.686072] Kernel panic - not syncing: panic_on_warn set ... [ 70.686072] [ 70.693564] CPU: 0 PID: 8437 Comm: syz-executor043 Not tainted 4.19.113-syzkaller #0 [ 70.701454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.710817] Call Trace: [ 70.713421] dump_stack+0x188/0x20d [ 70.717068] panic+0x26a/0x50e [ 70.720275] ? __warn_printk+0xf3/0xf3 [ 70.724177] ? kcm_write_msgs.cold+0x10f/0x13b [ 70.728772] ? __probe_kernel_read+0x16c/0x1b0 [ 70.733362] ? __warn.cold+0x5/0x46 [ 70.737001] ? __warn+0xe4/0x1c0 [ 70.740385] ? kcm_write_msgs.cold+0x10f/0x13b [ 70.744987] __warn.cold+0x20/0x46 [ 70.748547] ? kcm_write_msgs.cold+0x10f/0x13b [ 70.753150] report_bug+0x262/0x2a0 [ 70.756806] do_error_trap+0x1d7/0x310 [ 70.760730] ? math_error+0x310/0x310 [ 70.764548] ? irq_work_queue+0x2b/0x80 [ 70.768534] ? wake_up_klogd+0x8c/0xc0 [ 70.772429] ? vprintk_emit+0x1d0/0x6e0 [ 70.776409] ? trace_hardirqs_off_caller+0x55/0x210 [ 70.781453] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.786311] invalid_op+0x14/0x20 [ 70.789782] RIP: 0010:kcm_write_msgs.cold+0x10f/0x13b [ 70.794977] Code: c7 44 24 58 00 00 00 00 48 8b 80 50 02 00 00 48 89 44 24 28 e9 2d b6 ff ff e8 b3 65 de fa 48 c7 c7 80 bd 1c 88 e8 c0 84 c9 fa <0f> 0b 8b 44 24 70 bb ea ff ff ff 89 44 24 58 e9 7d b7 ff ff e8 8e [ 70.813887] RSP: 0018:ffff88807cebf980 EFLAGS: 00010286 [ 70.819262] RAX: 0000000000000024 RBX: 0000000000008000 RCX: 0000000000000000 [ 70.826542] RDX: 0000000000000000 RSI: ffffffff8152d3a1 RDI: ffffed100f9d7f22 [ 70.834259] RBP: ffff88808cafe100 R08: 0000000000000024 R09: ffffed1015cc5079 [ 70.841538] R10: ffffed1015cc5078 R11: ffff8880ae6283c7 R12: ffff88808cafe040 [ 70.848824] R13: ffff8880a8707400 R14: 00000000000000c0 R15: 0000000000000000 [ 70.856561] ? vprintk_func+0x81/0x17e [ 70.861184] ? lockdep_hardirqs_on+0x40b/0x5d0 [ 70.865802] kcm_sendmsg+0x1b68/0x212a [ 70.869716] ? lock_downgrade+0x740/0x740 [ 70.873880] ? kcm_tx_work+0x110/0x110 [ 70.877778] ? avc_has_perm+0x384/0x5b0 [ 70.881769] ? kcm_tx_work+0x110/0x110 [ 70.885665] sock_sendmsg+0xcf/0x120 [ 70.889406] sock_write_iter+0x283/0x3c0 [ 70.893474] ? sock_sendmsg+0x120/0x120 [ 70.898344] ? inode_has_perm.isra.0+0x175/0x210 [ 70.903202] ? find_held_lock+0x2d/0x110 [ 70.907280] __vfs_write+0x512/0x760 [ 70.911007] ? kernel_read+0x110/0x110 [ 70.914922] ? selinux_file_permission+0x87/0x520 [ 70.919868] ? security_file_permission+0x84/0x220 [ 70.924817] vfs_write+0x206/0x550 [ 70.928375] ksys_write+0x12b/0x2a0 [ 70.932016] ? __ia32_sys_read+0xb0/0xb0 [ 70.936095] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 70.940855] ? trace_hardirqs_off_caller+0x55/0x210 [ 70.945887] ? do_syscall_64+0x21/0x620 [ 70.949877] do_syscall_64+0xf9/0x620 [ 70.953690] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.958886] RIP: 0033:0x446fe9 [ 70.962084] Code: e8 dc e6 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 2b 06 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.981123] RSP: 002b:00007f5540447d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.988848] RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 0000000000446fe9 [ 70.996140] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 71.003461] RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 [ 71.010802] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc4c [ 71.018061] R13: 00000000200003c0 R14: 00000000004af5c8 R15: 000000000000d4f5 [ 71.026903] Kernel Offset: disabled [ 71.030591] Rebooting in 86400 seconds..