[ 30.411946][ T433] device veth1_macvtap entered promiscuous mode [ 30.419525][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 30.428594][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 30.473330][ T433] syz-executor.0 (433) used greatest stack depth: 21832 bytes left [ 30.882710][ T210] device bridge_slave_1 left promiscuous mode [ 30.888680][ T210] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.896074][ T210] device bridge_slave_0 left promiscuous mode [ 30.902065][ T210] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.909833][ T210] device veth1_macvtap left promiscuous mode [ 30.915805][ T210] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.10.32' (ECDSA) to the list of known hosts. 2022/11/17 14:25:23 ignoring optional flag "sandboxArg"="0" 2022/11/17 14:25:23 parsed 1 programs 2022/11/17 14:25:23 executed programs: 0 [ 47.266347][ T30] kauditd_printk_skb: 65 callbacks suppressed [ 47.266356][ T30] audit: type=1400 audit(1668695123.710:137): avc: denied { mounton } for pid=475 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 47.297071][ T30] audit: type=1400 audit(1668695123.710:138): avc: denied { mount } for pid=475 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 47.326759][ T478] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.333757][ T478] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.341416][ T478] device bridge_slave_0 entered promiscuous mode [ 47.348882][ T478] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.355726][ T478] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.362987][ T478] device bridge_slave_1 entered promiscuous mode [ 47.390696][ T478] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.397937][ T478] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.405132][ T478] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.411978][ T478] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.425497][ T431] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.432569][ T431] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.439939][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.447352][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.456092][ T123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.465007][ T123] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.471834][ T123] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.482821][ T123] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.490769][ T123] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.497640][ T123] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.504957][ T123] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.513315][ T123] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.524594][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.534423][ T478] device veth0_vlan entered promiscuous mode [ 47.543552][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.551411][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.558966][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.566808][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.575931][ T478] device veth1_macvtap entered promiscuous mode [ 47.584440][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.595282][ T60] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.605776][ T30] audit: type=1400 audit(1668695124.050:139): avc: denied { mount } for pid=478 comm="syz-executor.0" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 47.635279][ T486] loop0: detected capacity change from 0 to 512 [ 47.642896][ T30] audit: type=1400 audit(1668695124.090:140): avc: denied { mounton } for pid=485 comm="syz-executor.0" path="/root/syzkaller-testdir2727468196/syzkaller.Hh6Iki/0/file0" dev="sda1" ino=1148 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 47.644655][ T486] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. [ 47.680868][ T30] audit: type=1400 audit(1668695124.120:141): avc: denied { mount } for pid=485 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 47.692309][ T486] ------------[ cut here ]------------ [ 47.703538][ T30] audit: type=1400 audit(1668695124.120:142): avc: denied { write } for pid=485 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 47.722329][ T486] kernel BUG at fs/ext4/inode.c:2731! [ 47.730816][ T30] audit: type=1400 audit(1668695124.120:143): avc: denied { add_name } for pid=485 comm="syz-executor.0" name="file0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 47.736495][ T486] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 47.756834][ T30] audit: type=1400 audit(1668695124.120:144): avc: denied { create } for pid=485 comm="syz-executor.0" name="file0" scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 47.762714][ T486] CPU: 0 PID: 486 Comm: syz-executor.0 Not tainted 5.15.74-syzkaller #0 [ 47.762721][ T486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 47.762724][ T486] RIP: 0010:ext4_writepages+0x34be/0x34c0 [ 47.762738][ T486] Code: 44 89 e1 45 89 f0 e8 61 2c 07 00 65 ff 0d 62 91 30 7e 48 8b 9c 24 f0 00 00 00 0f 85 ca fa ff ff e8 cf 92 2e ff e9 c0 fa ff ff <0f> 0b 55 48 89 e5 53 48 89 fb be 08 00 00 00 e8 1e 67 cc ff f0 80 [ 47.762744][ T486] RSP: 0018:ffffc900005af280 EFLAGS: 00010247 [ 47.762752][ T486] RAX: dffffc0000000000 RBX: ffff888109934670 RCX: 1ffff110213268ce [ 47.762756][ T486] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888109934670 [ 47.762760][ T486] RBP: ffffc900005af670 R08: dffffc0000000000 R09: ffffed10213268cf [ 47.762764][ T486] R10: ffffed10213268cf R11: 1ffff110213268ce R12: 0000000000000001 [ 47.762768][ T486] R13: ffffc900005af540 R14: ffff88810eb1a000 R15: ffffc900005af8a0 [ 47.762772][ T486] FS: 00007fbad958d700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 47.762777][ T486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.762781][ T486] CR2: 000055791583fea0 CR3: 00000001235d0000 CR4: 00000000003506b0 [ 47.762789][ T486] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.783402][ T30] audit: type=1400 audit(1668695124.130:145): avc: denied { write open } for pid=485 comm="syz-executor.0" path="/root/syzkaller-testdir2727468196/syzkaller.Hh6Iki/0/file0/file0" dev="loop0" ino=17 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 47.791711][ T486] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.801789][ T30] audit: type=1400 audit(1668695124.130:146): avc: denied { read } for pid=485 comm="syz-executor.0" name="file0" dev="loop0" ino=17 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:unlabeled_t tclass=file permissive=1 [ 47.807437][ T486] Call Trace: [ 47.807441][ T486] [ 47.807446][ T486] ? __kasan_check_read+0x11/0x20 [ 47.975594][ T486] ? mark_buffer_dirty+0x76/0x210 [ 47.980437][ T486] ? __ext4_handle_dirty_metadata+0x2fe/0x650 [ 47.986338][ T486] ? __kasan_check_write+0x14/0x20 [ 47.991283][ T486] ? ext4_readpage+0x180/0x180 [ 47.995894][ T486] ? __ext4_mark_inode_dirty+0x42c/0x650 [ 48.001349][ T486] ? ext4_blocks_for_truncate+0x250/0x250 [ 48.006907][ T486] ? __kasan_check_write+0x14/0x20 [ 48.012026][ T486] ? __brelse+0x43/0x80 [ 48.016024][ T486] ? __kasan_check_write+0x14/0x20 [ 48.021572][ T486] do_writepages+0x435/0x6b0 [ 48.026004][ T486] ? __writepage+0xf0/0xf0 [ 48.030357][ T486] ? put_page+0x60/0x60 [ 48.034619][ T486] ? __kasan_check_write+0x14/0x20 [ 48.039566][ T486] ? _raw_spin_lock+0xa3/0x1b0 [ 48.044166][ T486] ? _raw_spin_unlock+0x4d/0x70 [ 48.048869][ T486] filemap_fdatawrite_wbc+0x19b/0x200 [ 48.054070][ T486] file_write_and_wait_range+0x1c6/0x290 [ 48.059632][ T486] ? __filemap_set_wb_err+0xb0/0xb0 [ 48.064664][ T486] ext4_sync_file+0x173/0x7b0 [ 48.069699][ T486] vfs_fsync_range+0x11c/0x140 [ 48.074386][ T486] ext4_buffered_write_iter+0x4b6/0x540 [ 48.079856][ T486] ext4_file_write_iter+0x455/0x1900 [ 48.085150][ T486] ? do_futex+0x1a0/0x1300 [ 48.089401][ T486] ? ext4_file_read_iter+0x380/0x380 [ 48.095045][ T486] vfs_write+0x78d/0xe70 [ 48.099220][ T486] ? file_end_write+0x160/0x160 [ 48.103920][ T486] ? mutex_lock+0xb6/0x130 [ 48.108160][ T486] ? wait_for_completion_killable_timeout+0x10/0x10 [ 48.114583][ T486] ? __fdget_pos+0x1bb/0x250 [ 48.119101][ T486] ksys_write+0x15b/0x240 [ 48.123261][ T486] ? __kasan_check_write+0x14/0x20 [ 48.128397][ T486] ? __ia32_sys_read+0x80/0x80 [ 48.133050][ T486] ? do_sys_openat2+0x420/0x420 [ 48.137734][ T486] __x64_sys_write+0x76/0x80 [ 48.142109][ T486] do_syscall_64+0x44/0xd0 [ 48.146457][ T486] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 48.152441][ T486] RIP: 0033:0x7fbad96195a9 [ 48.157036][ T486] 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 b8 ff ff ff f7 d8 64 89 01 48 [ 48.176966][ T486] RSP: 002b:00007fbad958d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 48.185367][ T486] RAX: ffffffffffffffda RBX: 00007fbad9739f80 RCX: 00007fbad96195a9 [ 48.193183][ T486] RDX: 0000000000000088 RSI: 0000000020000440 RDI: 0000000000000006 [ 48.201079][ T486] RBP: 00007fbad9674580 R08: 0000000000000000 R09: 0000000000000000 [ 48.209007][ T486] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.216845][ T486] R13: 00007fff85cafd4f R14: 00007fbad958d300 R15: 0000000000022000 [ 48.224631][ T486] [ 48.227492][ T486] Modules linked in: [ 48.233069][ T486] ---[ end trace 69dad14e6c218fde ]--- [ 48.238558][ T486] RIP: 0010:ext4_writepages+0x34be/0x34c0 [ 48.244109][ T486] Code: 44 89 e1 45 89 f0 e8 61 2c 07 00 65 ff 0d 62 91 30 7e 48 8b 9c 24 f0 00 00 00 0f 85 ca fa ff ff e8 cf 92 2e ff e9 c0 fa ff ff <0f> 0b 55 48 89 e5 53 48 89 fb be 08 00 00 00 e8 1e 67 cc ff f0 80 [ 48.263810][ T486] RSP: 0018:ffffc900005af280 EFLAGS: 00010247 [ 48.269791][ T486] RAX: dffffc0000000000 RBX: ffff888109934670 RCX: 1ffff110213268ce [ 48.278945][ T486] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888109934670 [ 48.287474][ T486] RBP: ffffc900005af670 R08: dffffc0000000000 R09: ffffed10213268cf [ 48.295302][ T486] R10: ffffed10213268cf R11: 1ffff110213268ce R12: 0000000000000001 [ 48.303215][ T486] R13: ffffc900005af540 R14: ffff88810eb1a000 R15: ffffc900005af8a0 [ 48.311337][ T486] FS: 00007fbad958d700(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 48.320212][ T486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.326644][ T486] CR2: 000055791583fea0 CR3: 00000001235d0000 CR4: 00000000003506b0 [ 48.334534][ T486] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.342849][ T486] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.350998][ T486] Kernel panic - not syncing: Fatal exception [ 48.357171][ T486] Kernel Offset: disabled [ 48.361371][ T486] Rebooting in 86400 seconds..