kasan: CONFIG_KASAN_INLINE enabled xt_CT: You must specify a L4 protocol and not use inversions on it EXT4-fs error (device loop4): ext4_quota_enable:5844: comm syz-executor.4: inode #2304764988: comm syz-executor.4: iget: illegal inode # kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 12266 Comm: syz-executor.0 Not tainted 4.19.204-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 EXT4-fs error (device loop4): ext4_quota_enable:5846: comm syz-executor.4: Bad quota inode # 2304764988 RIP: 0010:hsr_dev_change_mtu+0xa2/0xd0 net/hsr/hsr_device.c:149 Code: 89 e0 5b 5d 41 5c 41 5d c3 e8 ba b4 ad f9 eb e1 e8 e3 dd 77 f9 49 8d 7d 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 1d 49 8b 7d 10 ba 06 00 00 00 48 c7 c6 80 cd 70 89 RSP: 0018:ffff88803c46eb60 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 00000000000005dc RCX: ffffc90013b56000 RDX: 0000000000000002 RSI: ffffffff87eab4ad RDI: 0000000000000010 RBP: ffff888033730d80 R08: 0000000000000000 R09: 00000000000005d6 R10: 0000000000000004 R11: 0000000000000000 R12: 00000000000005d6 R13: 0000000000000000 R14: ffff888033730fc8 R15: 0000000000000001 FS: 00007f62c6876700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffca2f8d9c0 CR3: 000000009a5aa000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __dev_set_mtu net/core/dev.c:7763 [inline] dev_set_mtu_ext+0x339/0x580 net/core/dev.c:7816 dev_set_mtu+0x95/0x120 net/core/dev.c:7840 team_port_add drivers/net/team/team.c:1205 [inline] team_add_slave+0x9cb/0x1fa0 drivers/net/team/team.c:1976 do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2321 do_setlink+0x7ec/0x3540 net/core/rtnetlink.c:2455 rtnl_newlink+0xda9/0x15c0 net/core/rtnetlink.c:3077 EXT4-fs warning (device loop4): ext4_enable_quotas:5883: Failed to enable quota tracking (type=0, err=-117). Please run e2fsck to fix. EXT4-fs (loop4): Cannot turn on quotas: error -117 EXT4-fs (loop4): mounted filesystem without journal. Opts: ,errors=continue rtnetlink_rcv_msg+0x453/0xb80 net/core/rtnetlink.c:4782 netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2457 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x6bb/0xc40 net/netlink/af_netlink.c:1911 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2225 __sys_sendmsg net/socket.c:2263 [inline] __do_sys_sendmsg net/socket.c:2272 [inline] __se_sys_sendmsg net/socket.c:2270 [inline] __x64_sys_sendmsg+0x132/0x220 net/socket.c:2270 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665e9 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:00007f62c6876188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000005 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffc42f12f2f R14: 00007f62c6876300 R15: 0000000000022000 Modules linked in: IPVS: ftp: loaded support on port[0] = 21 ---[ end trace cb59a9ce40310ed9 ]--- RIP: 0010:hsr_dev_change_mtu+0xa2/0xd0 net/hsr/hsr_device.c:149 Code: 89 e0 5b 5d 41 5c 41 5d c3 e8 ba b4 ad f9 eb e1 e8 e3 dd 77 f9 49 8d 7d 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 1d 49 8b 7d 10 ba 06 00 00 00 48 c7 c6 80 cd 70 89 RSP: 0018:ffff88803c46eb60 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 00000000000005dc RCX: ffffc90013b56000 RDX: 0000000000000002 RSI: ffffffff87eab4ad RDI: 0000000000000010 RBP: ffff888033730d80 R08: 0000000000000000 R09: 00000000000005d6 R10: 0000000000000004 R11: 0000000000000000 R12: 00000000000005d6 R13: 0000000000000000 R14: ffff888033730fc8 R15: 0000000000000001 FS: 00007f62c6876700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 xt_CT: You must specify a L4 protocol and not use inversions on it CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f89edaa2718 CR3: 000000009a5aa000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 input: syz0 as /devices/virtual/input/input5 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 e0 mov %esp,%eax 2: 5b pop %rbx 3: 5d pop %rbp 4: 41 5c pop %r12 6: 41 5d pop %r13 8: c3 retq 9: e8 ba b4 ad f9 callq 0xf9adb4c8 e: eb e1 jmp 0xfffffff1 10: e8 e3 dd 77 f9 callq 0xf977ddf8 15: 49 8d 7d 10 lea 0x10(%r13),%rdi 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 89 fa mov %rdi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 75 1d jne 0x4d 30: 49 8b 7d 10 mov 0x10(%r13),%rdi 34: ba 06 00 00 00 mov $0x6,%edx 39: 48 c7 c6 80 cd 70 89 mov $0xffffffff8970cd80,%rsi