IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7297 at net/kcm/kcmsock.c:629 kcm_write_msgs.cold.34+0x5f/0x13e net/kcm/kcmsock.c:629 Modules linked in: CPU: 0 PID: 7297 Comm: syz-executor.0 Not tainted 4.19.194-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kcm_write_msgs.cold.34+0x5f/0x13e net/kcm/kcmsock.c:629 Code: c7 c7 80 c1 d0 87 4c 89 5d d0 e8 e6 31 ec ff 0f 0b 4c 8b 5d d0 e9 38 c1 5f ff 48 c7 c7 80 c1 d0 87 4c 89 5d d0 e8 cb 31 ec ff <0f> 0b 8b 85 7c ff ff ff ba ea ff ff ff 4c 8b 5d d0 89 45 c4 e9 92 RSP: 0018:ffff8881d77d78f8 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881d55bd180 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8767b1a0 RDI: ffffffff8a1869a0 RBP: ffff8881d77d79b8 R08: ffffed103ed05079 R09: ffffed103ed05078 R10: ffffed103ed05078 R11: ffff8881f68283c7 R12: 00000000000000c0 R13: ffff8881d692f240 R14: ffff8881cd997c40 R15: ffff8881d55bd0c0 FS: 00007fd7e175e700(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000380 CR3: 00000001d565e005 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kcm_sendmsg+0x1897/0x25b0 net/kcm/kcmsock.c:1035 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:632 sock_write_iter+0x215/0x420 net/socket.c:901 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x443/0x890 fs/read_write.c:487 vfs_write+0x150/0x4d0 fs/read_write.c:549 ksys_write+0x103/0x260 fs/read_write.c:599 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x6e/0xb0 fs/read_write.c:608 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4641a9 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:00007fd7e175e198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000c4c RCX: 00000000004641a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bf00 R13: 00007fd7e175e6bc R14: 00000000ffffffff R15: 0000000000000003 irq event stamp: 6274 hardirqs last enabled at (6273): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (6273): [] _raw_spin_unlock_irq+0x27/0x80 kernel/locking/spinlock.c:192 hardirqs last disabled at (6274): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (6252): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (6252): [] release_sock+0x11f/0x180 net/core/sock.c:2892 softirqs last disabled at (6250): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (6250): [] release_sock+0x1b/0x180 net/core/sock.c:2879 ---[ end trace 7fffdaa2baff8b86 ]--- KCM: Hard failure on kcm_write_msgs ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7405 at net/kcm/kcmsock.c:629 kcm_write_msgs.cold.34+0x5f/0x13e net/kcm/kcmsock.c:629 Modules linked in: CPU: 0 PID: 7405 Comm: syz-executor.2 Tainted: G W 4.19.194-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kcm_write_msgs.cold.34+0x5f/0x13e net/kcm/kcmsock.c:629 Code: c7 c7 80 c1 d0 87 4c 89 5d d0 e8 e6 31 ec ff 0f 0b 4c 8b 5d d0 e9 38 c1 5f ff 48 c7 c7 80 c1 d0 87 4c 89 5d d0 e8 cb 31 ec ff <0f> 0b 8b 85 7c ff ff ff ba ea ff ff ff 4c 8b 5d d0 89 45 c4 e9 92 RSP: 0018:ffff8881de7f78f8 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881d4447840 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8767b1a0 RDI: ffffffff8a1869a0 RBP: ffff8881de7f79b8 R08: ffffed103ed05079 R09: ffffed103ed05078 R10: ffffed103ed05078 R11: ffff8881f68283c7 R12: 00000000000000c0 R13: ffff8881f52287c0 R14: ffff8881f39d9cc0 R15: ffff8881d4447780 FS: 00007f609d980700(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000100 CR3: 00000001d3e41005 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kcm_sendmsg+0x1897/0x25b0 net/kcm/kcmsock.c:1035 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:632 sock_write_iter+0x215/0x420 net/socket.c:901 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x443/0x890 fs/read_write.c:487 vfs_write+0x150/0x4d0 fs/read_write.c:549 ksys_write+0x103/0x260 fs/read_write.c:599 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x6e/0xb0 fs/read_write.c:608 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4641a9 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:00007f609d980198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000c4c RCX: 00000000004641a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bf00 R13: 00007f609d9806bc R14: 00000000ffffffff R15: 0000000000000003 irq event stamp: 6120 hardirqs last enabled at (6119): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (6119): [] _raw_spin_unlock_irq+0x27/0x80 kernel/locking/spinlock.c:192 hardirqs last disabled at (6120): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (6114): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (5881): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (5881): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 ---[ end trace 7fffdaa2baff8b87 ]--- KCM: Hard failure on kcm_write_msgs ------------[ cut here ]------------ ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7471 at net/kcm/kcmsock.c:629 kcm_write_msgs.cold.34+0x5f/0x13e net/kcm/kcmsock.c:629 Modules linked in: CPU: 0 PID: 7471 Comm: syz-executor.3 Tainted: G W 4.19.194-syzkaller #0 WARNING: CPU: 1 PID: 7482 at net/kcm/kcmsock.c:629 kcm_write_msgs.cold.34+0x5f/0x13e net/kcm/kcmsock.c:629 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Modules linked in: RIP: 0010:kcm_write_msgs.cold.34+0x5f/0x13e net/kcm/kcmsock.c:629 CPU: 1 PID: 7482 Comm: syz-executor.2 Tainted: G W 4.19.194-syzkaller #0 Code: c7 c7 80 c1 d0 87 4c 89 5d d0 e8 e6 31 ec ff 0f 0b 4c 8b 5d d0 e9 38 c1 5f ff 48 c7 c7 80 c1 d0 87 4c 89 5d d0 e8 cb 31 ec ff <0f> 0b 8b 85 7c ff ff ff ba ea ff ff ff 4c 8b 5d d0 89 45 c4 e9 92 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kcm_write_msgs.cold.34+0x5f/0x13e net/kcm/kcmsock.c:629 RSP: 0018:ffff8881f57878f8 EFLAGS: 00010282 Code: c7 c7 80 c1 d0 87 4c 89 5d d0 e8 e6 31 ec ff 0f 0b 4c 8b 5d d0 e9 38 c1 5f ff 48 c7 c7 80 c1 d0 87 4c 89 5d d0 e8 cb 31 ec ff <0f> 0b 8b 85 7c ff ff ff ba ea ff ff ff 4c 8b 5d d0 89 45 c4 e9 92 RAX: 0000000000000024 RBX: ffff8881e8692b00 RCX: 0000000000000000 RSP: 0018:ffff8881dd7df8f8 EFLAGS: 00010282 RDX: 0000000000000000 RSI: ffffffff8767b1a0 RDI: ffffffff8a1869a0 RBP: ffff8881f57879b8 R08: ffffed103ed05079 R09: ffffed103ed05078 RAX: 0000000000000024 RBX: ffff8881f45d53c0 RCX: 0000000000000000 R10: ffffed103ed05078 R11: ffff8881f68283c7 R12: 00000000000000c0 RDX: 0000000000000000 RSI: ffffffff8767b1a0 RDI: ffffffff8a1869a0 RBP: ffff8881dd7df9b8 R08: ffffed103ed25079 R09: ffffed103ed25078 R13: ffff8881d3654dc0 R14: ffff8881f2f6ba40 R15: ffff8881e8692a40 FS: 00007f26595fa700(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 R10: ffffed103ed25078 R11: ffff8881f69283c7 R12: 00000000000000c0 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 R13: ffff8881d36547c0 R14: ffff8881f39d86c0 R15: ffff8881f45d5300 CR2: 0000000020102000 CR3: 00000001d64ae001 CR4: 00000000001606f0 FS: 00007f609d95f700(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562937fbe140 CR3: 00000001d7be5002 CR4: 00000000001606e0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Call Trace: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kcm_sendmsg+0x1897/0x25b0 net/kcm/kcmsock.c:1035 kcm_sendmsg+0x1897/0x25b0 net/kcm/kcmsock.c:1035 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:632 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:632 sock_write_iter+0x215/0x420 net/socket.c:901 sock_write_iter+0x215/0x420 net/socket.c:901 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x443/0x890 fs/read_write.c:487 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x443/0x890 fs/read_write.c:487 vfs_write+0x150/0x4d0 fs/read_write.c:549 vfs_write+0x150/0x4d0 fs/read_write.c:549 ksys_write+0x103/0x260 fs/read_write.c:599 ksys_write+0x103/0x260 fs/read_write.c:599 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x6e/0xb0 fs/read_write.c:608 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x6e/0xb0 fs/read_write.c:608 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4641a9 RIP: 0033:0x4641a9 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 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:00007f26595fa198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RSP: 002b:00007f609d95f198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000c4c RCX: 00000000004641a9 RAX: ffffffffffffffda RBX: 0000000000000c4c RCX: 00000000004641a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bfa0 R13: 00007f609d95f6bc R14: 00000000ffffffff R15: 0000000000000003 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bf00 irq event stamp: 3122 R13: 00007f26595fa6bc R14: 00000000ffffffff R15: 0000000000000003 hardirqs last enabled at (3121): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (3121): [] _raw_spin_unlock_irq+0x27/0x80 kernel/locking/spinlock.c:192 hardirqs last disabled at (3122): [] trace_hardirqs_off_thunk+0x1a/0x1c irq event stamp: 6204 softirqs last enabled at (3116): [] __do_softirq+0x62d/0x919 kernel/softirq.c:318 softirqs last disabled at (3091): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3091): [] irq_exit+0x17f/0x1c0 kernel/softirq.c:412 hardirqs last enabled at (6203): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (6203): [] _raw_spin_unlock_irq+0x27/0x80 kernel/locking/spinlock.c:192 ---[ end trace 7fffdaa2baff8b88 ]--- hardirqs last disabled at (6204): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (6192): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (6192): [] release_sock+0x11f/0x180 net/core/sock.c:2892 softirqs last disabled at (6190): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (6190): [] release_sock+0x1b/0x180 net/core/sock.c:2879 ---[ end trace 7fffdaa2baff8b89 ]--- ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7499 at net/kcm/kcmsock.c:629 kcm_write_msgs.cold.34+0x5f/0x13e net/kcm/kcmsock.c:629 Modules linked in: CPU: 1 PID: 7499 Comm: syz-executor.4 Tainted: G W 4.19.194-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:kcm_write_msgs.cold.34+0x5f/0x13e net/kcm/kcmsock.c:629 Code: c7 c7 80 c1 d0 87 4c 89 5d d0 e8 e6 31 ec ff 0f 0b 4c 8b 5d d0 e9 38 c1 5f ff 48 c7 c7 80 c1 d0 87 4c 89 5d d0 e8 cb 31 ec ff <0f> 0b 8b 85 7c ff ff ff ba ea ff ff ff 4c 8b 5d d0 89 45 c4 e9 92 KCM: Hard failure on kcm_write_msgs RSP: 0018:ffff8881f33df8f8 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff8881d4ec48c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8767b1a0 RDI: ffffffff8a1869a0 RBP: ffff8881f33df9b8 R08: ffffed103ed25079 R09: ffffed103ed25078 R10: ffffed103ed25078 R11: ffff8881f69283c7 R12: 00000000000000c0 R13: ffff8881d3000000 R14: ffff8881f35a5b80 R15: ffff8881d4ec4800 FS: 00007fce8dd76700(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020123040 CR3: 00000001f4b0a006 CR4: 00000000001606e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kcm_sendmsg+0x1897/0x25b0 net/kcm/kcmsock.c:1035 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xb5/0xf0 net/socket.c:632 sock_write_iter+0x215/0x420 net/socket.c:901 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x443/0x890 fs/read_write.c:487 vfs_write+0x150/0x4d0 fs/read_write.c:549 ksys_write+0x103/0x260 fs/read_write.c:599 __do_sys_write fs/read_write.c:611 [inline] __se_sys_write fs/read_write.c:608 [inline] __x64_sys_write+0x6e/0xb0 fs/read_write.c:608 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4641a9 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:00007fce8dd76198 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000c4c RCX: 00000000004641a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000053bfa0 R13: 00007fce8dd766bc R14: 00000000ffffffff R15: 0000000000000003 irq event stamp: 3538 hardirqs last enabled at (3537): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] hardirqs last enabled at (3537): [] _raw_spin_unlock_irq+0x27/0x80 kernel/locking/spinlock.c:192 hardirqs last disabled at (3538): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3524): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (3524): [] release_sock+0x11f/0x180 net/core/sock.c:2892 softirqs last disabled at (3522): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (3522): [] release_sock+0x1b/0x180 net/core/sock.c:2879 ---[ end trace 7fffdaa2baff8b8a ]--- KCM: Hard failure on kcm_write_msgs KCM: Hard failure on kcm_write_msgs ======================================================