[ 48.763388][ T6179] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 48.775652][ T6179] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 48.790182][ T6179] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 48.804959][ T6179] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 48.853284][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.864920][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.876084][ T6179] netdevsim netdevsim4 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.891001][ T6179] netdevsim netdevsim4 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.902307][ T6179] netdevsim netdevsim4 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 48.912966][ T6179] netdevsim netdevsim4 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 405.312644][ T248] netdevsim netdevsim3 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 405.421728][ T248] netdevsim netdevsim3 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 405.528398][ T248] netdevsim netdevsim3 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 405.628725][ T248] netdevsim netdevsim3 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 405.850970][ T248] netdevsim netdevsim4 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 Warning: Permanently added '10.128.15.197' (ECDSA) to the list of known hosts. [ 406.038182][ T248] netdevsim netdevsim4 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 406.122828][ T248] netdevsim netdevsim4 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 406.241809][ T248] netdevsim netdevsim4 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 406.276904][ T28] audit: type=1400 audit(1610276192.293:11): avc: denied { execmem } for pid=16047 comm="syz-executor772" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 406.739470][ T248] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 406.808332][T16129] ------------[ cut here ]------------ [ 406.837370][T16129] WARNING: CPU: 1 PID: 16129 at net/kcm/kcmsock.c:628 kcm_write_msgs+0x481/0x570 [ 406.932382][T16129] Modules linked in: [ 406.952855][T16129] CPU: 1 PID: 16129 Comm: syz-executor772 Not tainted 5.11.0-rc2-syzkaller #0 [ 407.029331][T16129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.101626][T16129] RIP: 0010:kcm_write_msgs+0x481/0x570 [ 407.128482][T16129] Code: 24 1c 00 00 00 00 e9 4c fe ff ff 48 8b 74 24 30 31 d2 0f b7 44 24 10 44 89 3e 44 89 56 08 89 46 04 4c 89 66 10 e9 ae fc ff ff <0f> 0b ba ea ff ff ff e9 a2 fc ff ff 0f 0b e9 44 fd ff ff 44 89 7c [ 407.223535][T16129] RSP: 0018:ffffc900002a3cc8 EFLAGS: 00010246 [ 407.250880][T16129] RAX: 00000000000000c0 RBX: ffff888119347a00 RCX: 0000000000000000 [ 407.267120][ T248] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 407.291155][T16129] RDX: 0000000000008000 RSI: ffff888119347ac0 RDI: 0000000000000000 [ 407.323421][T16129] RBP: ffff888100dc4000 R08: 0000000000000001 R09: ffff88810c11e500 [ 407.364168][T16129] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 407.411039][T16129] R13: ffff88810e0e58c0 R14: ffff88810e14ba00 R15: 0000000000220000 [ 407.411057][T16129] FS: 00007f337e734700(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 [ 407.411061][T16129] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 407.411064][T16129] CR2: 00007f337e712e78 CR3: 000000010e371001 CR4: 00000000001706e0 [ 407.411072][T16129] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 407.411074][T16129] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 407.411078][T16129] Call Trace: [ 407.411089][T16129] kcm_sendmsg+0x799/0x7e0 [ 407.411106][T16129] sock_sendmsg+0x2b/0x40 [ 407.411114][T16129] sock_write_iter+0x95/0xf0 [ 407.411125][T16129] new_sync_write+0x18e/0x1a0 [ 407.411139][T16129] vfs_write+0x25d/0x390 [ 407.411146][T16129] ksys_write+0xb9/0xd0 [ 407.696880][ T248] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 407.718547][T16129] ? lockdep_hardirqs_on+0x54/0x110 [ 407.744973][T16129] do_syscall_64+0x2d/0x70 [ 407.761543][T16129] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 407.776197][T16129] RIP: 0033:0x4470a9 [ 407.789455][T16129] 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 ab 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 407.871777][T16129] RSP: 002b:00007f337e733d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 407.907318][T16129] RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 00000000004470a9 [ 407.949841][T16129] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 407.987952][T16129] RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 [ 408.028881][T16129] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc4c [ 408.071304][ T248] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 408.078604][T16129] R13: 00000000200003c0 R14: 00000000004af688 R15: 000000000000d4f5 [ 408.135086][T16129] Kernel panic - not syncing: panic_on_warn set ... [ 408.141960][T16129] CPU: 0 PID: 16129 Comm: syz-executor772 Not tainted 5.11.0-rc2-syzkaller #0 [ 408.151231][T16129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.161277][T16129] Call Trace: [ 408.165026][T16129] dump_stack+0xa3/0xc8 [ 408.169667][T16129] panic+0x135/0x31a [ 408.173549][T16129] ? kcm_write_msgs+0x481/0x570 [ 408.178626][T16129] __warn.cold.13+0x16/0x20 [ 408.183535][T16129] ? kcm_write_msgs+0x481/0x570 [ 408.188528][T16129] report_bug+0xc0/0xf0 [ 408.192930][T16129] handle_bug+0x35/0x90 [ 408.197055][T16129] exc_invalid_op+0x13/0x60 [ 408.201814][T16129] asm_exc_invalid_op+0x12/0x20 [ 408.206833][T16129] RIP: 0010:kcm_write_msgs+0x481/0x570 [ 408.212280][T16129] Code: 24 1c 00 00 00 00 e9 4c fe ff ff 48 8b 74 24 30 31 d2 0f b7 44 24 10 44 89 3e 44 89 56 08 89 46 04 4c 89 66 10 e9 ae fc ff ff <0f> 0b ba ea ff ff ff e9 a2 fc ff ff 0f 0b e9 44 fd ff ff 44 89 7c [ 408.232468][T16129] RSP: 0018:ffffc900002a3cc8 EFLAGS: 00010246 [ 408.238522][T16129] RAX: 00000000000000c0 RBX: ffff888119347a00 RCX: 0000000000000000 [ 408.246850][T16129] RDX: 0000000000008000 RSI: ffff888119347ac0 RDI: 0000000000000000 [ 408.254986][T16129] RBP: ffff888100dc4000 R08: 0000000000000001 R09: ffff88810c11e500 [ 408.263016][T16129] R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 [ 408.272017][T16129] R13: ffff88810e0e58c0 R14: ffff88810e14ba00 R15: 0000000000220000 [ 408.280242][T16129] ? kcm_write_msgs+0xdb/0x570 [ 408.284980][T16129] kcm_sendmsg+0x799/0x7e0 [ 408.289477][T16129] sock_sendmsg+0x2b/0x40 [ 408.293962][T16129] sock_write_iter+0x95/0xf0 [ 408.298727][T16129] new_sync_write+0x18e/0x1a0 [ 408.303981][T16129] vfs_write+0x25d/0x390 [ 408.308306][T16129] ksys_write+0xb9/0xd0 [ 408.312542][T16129] ? lockdep_hardirqs_on+0x54/0x110 [ 408.318506][T16129] do_syscall_64+0x2d/0x70 [ 408.323090][T16129] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 408.329040][T16129] RIP: 0033:0x4470a9 [ 408.333166][T16129] 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 ab 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 408.353352][T16129] RSP: 002b:00007f337e733d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 408.362309][T16129] RAX: ffffffffffffffda RBX: 00000000006dcc48 RCX: 00000000004470a9 [ 408.370625][T16129] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 [ 408.379365][T16129] RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 [ 408.387807][T16129] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc4c [ 408.397695][T16129] R13: 00000000200003c0 R14: 00000000004af688 R15: 000000000000d4f5 [ 408.408774][T16129] Kernel Offset: disabled [ 408.413833][T16129] Rebooting in 86400 seconds..