IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready bond0: Enslaving bond_slave_0 as an active interface with an up link ------------[ cut here ]------------ audit: type=1804 audit(1583035527.410:41): pid=6820 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir199142823/syzkaller.VL41tQ/0/file0/file0" dev="sda1" ino=16526 res=1 WARNING: CPU: 1 PID: 6820 at fs/overlayfs/dir.c:523 ovl_create_or_link+0x545/0x13b0 fs/overlayfs/dir.c:523 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 6820 Comm: syz-executor.4 Not tainted 4.14.172-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xf7/0x13b lib/dump_stack.c:58 panic+0x1b0/0x358 kernel/panic.c:183 __warn.cold.8+0x25/0x2c kernel/panic.c:547 report_bug+0x1a4/0x1f3 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] do_error_trap+0x1bd/0x310 arch/x86/kernel/traps.c:295 bond0: Enslaving bond_slave_1 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:314 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:963 RIP: 0010:ovl_create_or_link+0x545/0x13b0 fs/overlayfs/dir.c:523 RSP: 0018:ffff88808819fb00 EFLAGS: 00010202 RAX: 0000000000000000 RBX: ffff888087aa53f0 RCX: ffff888087aab544 RDX: 1ffff11010f54a7f RSI: ffff888096b3cf20 RDI: ffff888087aa53f8 RBP: ffff88808819fcb8 R08: ffff888096b3cf40 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 1ffff11011033f6e R15: ffff888095494350 team0: Port device team_slave_0 added IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added ovl_link+0x151/0x19d fs/overlayfs/dir.c:614 vfs_link+0x646/0xa10 fs/namei.c:4264 SYSC_linkat fs/namei.c:4332 [inline] SyS_linkat fs/namei.c:4288 [inline] SYSC_link fs/namei.c:4355 [inline] SyS_link+0x2f8/0x4b0 fs/namei.c:4353 IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4597c9 IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready RSP: 002b:00007f5c9e569c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00000000004597c9 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000020000140 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5c9e56a6d4 R13: 00000000004f53e2 R14: 00000000004d9f08 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..