IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready VFS: Found a V7 FS (block size = 512) on device loop0 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready WARNING: CPU: 1 PID: 9961 at fs/inode.c:342 inc_nlink+0x125/0x140 fs/inode.c:341 Kernel panic - not syncing: panic_on_warn set ... IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready CPU: 1 PID: 9961 Comm: syz-executor.0 Not tainted 4.18.0-syzkaller #0 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 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+0x15a/0x20d lib/dump_stack.c:113 panic+0x1c6/0x36b kernel/panic.c:184 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 __warn.cold.7+0x120/0x168 kernel/panic.c:536 report_bug+0x1a1/0x200 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x200/0x350 arch/x86/kernel/traps.c:296 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready ieee80211 phy8: Selected rate control algorithm 'minstrel_ht' do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992 RIP: 0010:inc_nlink+0x125/0x140 fs/inode.c:342 Code: 4c 89 e7 89 45 e4 e8 8a 30 f1 ff 8b 45 ieee80211 phy9: Selected rate control algorithm 'minstrel_ht' e4 e9 53 ff ff ff 4c 89 e7 e8 da 2f f1 ff e9 1a ff ff ff 4c 89 e7 e8 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready cd wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 2f f1 ff eb ce <0f> 0b e9 72 ff ff ff e8 df 2f f1 ff e9 5b VFS: Found a V7 FS (block size = 512) on device loop5 ff ff ff e8 d5 2f f1 ff RSP: 0018:ffff88008a17fda0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: ffff88008ae1c038 RCX: ffff88008ae1c058 RDX: 1ffff100115c3822 RSI: ffff8800985dadc0 RDI: ffff88008ae1c110 RBP: ffff88008a17fdc0 R08: ffff88008a17fcd8 R09: ffff88008a17fd00 R10: 0000000000000000 R11: ffff88008a17fd1f R12: ffff88008ae1c080 R13: ffff8800985dadc0 R14: 0000000000000021 R15: ffff8800985dae18 inode_inc_link_count include/linux/fs.h:2061 [inline] sysv_mkdir+0x18/0x100 fs/sysv/namei.c:131 WARNING: CPU: 0 PID: 10001 at fs/inode.c:342 inc_nlink+0x125/0x140 fs/inode.c:341 vfs_mkdir+0x37f/0x620 fs/namei.c:3827 Modules linked in: do_mkdirat+0x1c2/0x220 fs/namei.c:3850 CPU: 0 PID: 10001 Comm: syz-executor.5 Not tainted 4.18.0-syzkaller #0 __do_sys_mkdir fs/namei.c:3866 [inline] __se_sys_mkdir fs/namei.c:3864 [inline] __x64_sys_mkdir+0x57/0x80 fs/namei.c:3864 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:inc_nlink+0x125/0x140 fs/inode.c:342 do_syscall_64+0xda/0x540 arch/x86/entry/common.c:290 Code: entry_SYSCALL_64_after_hwframe+0x49/0xbe 4c RIP: 0033:0x466459 89 Code: e7 ff 89 ff 45 c3 e4 66 e8 2e 8a 30 0f f1 1f 84 ff 00 8b 45 00 00 e4 00 00 e9 0f 53 1f ff 40 00 ff 48 ff 89 4c f8 48 89 e7 89 e8 da f7 48 2f 89 f1 d6 ff 48 e9 89 ca 1a 4d 89 ff ff c2 4d ff 89 4c c8 89 4c e7 8b 4c e8 24 cd 2f 08 0f f1 ff 05 eb ce <48> <0f> 0b 3d e9 01 72 ff f0 ff ff ff ff e8 73 df 01 2f c3 f1 ff 48 e9 5b c7 ff c1 ff bc ff ff e8 d5 ff 2f ff f1 ff f7 d8 RSP: 0018:ffff8800a228fda0 EFLAGS: 00010246 64 89 01 48 RAX: dffffc0000000000 RBX: ffff88008ae6c038 RCX: ffff88008ae6c058 RSP: 002b:00007f9226a6d188 EFLAGS: 00000246 RDX: 1ffff100115cd822 RSI: ffff8800964162c0 RDI: ffff88008ae6c110 ORIG_RAX: 0000000000000053 RBP: ffff8800a228fdc0 R08: ffff8800a228fcd8 R09: ffff8800a228fd00 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 R10: 0000000000000000 R11: ffff8800a228fd1f R12: ffff88008ae6c080 RDX: 0000000000000000 RSI: 0000000000000023 RDI: 0000000020000080 RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R13: ffff8800964162c0 R14: 0000000000000021 R15: ffff880096416318 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffc3908587f R14: 00007f9226a6d300 R15: 0000000000022000 FS: 00007fa8097c5700(0000) GS:ffff8800ba600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000520cd0 CR3: 00000000a15c6000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inode_inc_link_count include/linux/fs.h:2061 [inline] sysv_mkdir+0x18/0x100 fs/sysv/namei.c:131 vfs_mkdir+0x37f/0x620 fs/namei.c:3827 do_mkdirat+0x1c2/0x220 fs/namei.c:3850 __do_sys_mkdir fs/namei.c:3866 [inline] __se_sys_mkdir fs/namei.c:3864 [inline] __x64_sys_mkdir+0x57/0x80 fs/namei.c:3864 do_syscall_64+0xda/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x466459 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa8097c5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459 RDX: 0000000000000000 RSI: 0000000000000023 RDI: 0000000020000080 RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007fff7bc2e84f R14: 00007fa8097c5300 R15: 0000000000022000 irq event stamp: 638 hardirqs last enabled at (637): [] quarantine_put+0xff/0x1c0 mm/kasan/quarantine.c:209 hardirqs last disabled at (638): [] error_entry+0x80/0xd0 arch/x86/entry/entry_64.S:1261 softirqs last enabled at (158): [] spin_unlock_bh include/linux/spinlock.h:355 [inline] softirqs last enabled at (158): [] peernet2id+0x8b/0xc0 net/core/net_namespace.c:265 softirqs last disabled at (156): [] spin_lock_bh include/linux/spinlock.h:315 [inline] softirqs last disabled at (156): [] peernet2id+0x6d/0xc0 net/core/net_namespace.c:263 ---[ end trace af80bcecefcb36d8 ]--- Kernel Offset: disabled Rebooting in 86400 seconds..