[ 29.731622][ T3177] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.752661][ T3177] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 41.635116][ T25] kauditd_printk_skb: 37 callbacks suppressed [ 41.635133][ T25] audit: type=1400 audit(1647800202.881:73): avc: denied { transition } for pid=3431 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 41.694664][ T25] audit: type=1400 audit(1647800202.921:74): avc: denied { write } for pid=3431 comm="sh" path="pipe:[27540]" dev="pipefs" ino=27540 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.1.122' (ECDSA) to the list of known hosts. executing program [ 51.266847][ T25] audit: type=1400 audit(1647800212.521:75): avc: denied { execmem } for pid=3591 comm="syz-executor307" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 51.288139][ T25] audit: type=1400 audit(1647800212.541:76): avc: denied { read write } for pid=3591 comm="syz-executor307" name="loop0" dev="devtmpfs" ino=644 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 51.297638][ T3591] loop0: detected capacity change from 0 to 1051 [ 51.312947][ T25] audit: type=1400 audit(1647800212.541:77): avc: denied { open } for pid=3591 comm="syz-executor307" path="/dev/loop0" dev="devtmpfs" ino=644 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 51.327784][ T3591] EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (60935!=0) [ 51.353101][ T25] audit: type=1400 audit(1647800212.541:78): avc: denied { ioctl } for pid=3591 comm="syz-executor307" path="/dev/loop0" dev="devtmpfs" ino=644 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 51.374731][ T3591] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. [ 51.379752][ T25] audit: type=1400 audit(1647800212.571:79): avc: denied { mounton } for pid=3591 comm="syz-executor307" path="/root/file0" dev="sda1" ino=1137 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 51.411923][ T25] audit: type=1400 audit(1647800212.671:80): avc: denied { mount } for pid=3591 comm="syz-executor307" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 51.416335][ T3591] ------------[ cut here ]------------ [ 51.440016][ T3591] kernel BUG at fs/ext4/extents_status.c:899! [ 51.447562][ T3591] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 51.453641][ T3591] CPU: 1 PID: 3591 Comm: syz-executor307 Not tainted 5.17.0-rc8-syzkaller-00077-g14702b3b2438 #0 [ 51.464123][ T3591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.474269][ T3591] RIP: 0010:ext4_es_cache_extent+0x4e8/0x550 [ 51.480286][ T3591] Code: 00 48 c7 c7 20 3a c1 89 c6 05 4a 15 70 0b 01 e8 fd 16 f9 06 e9 5a ff ff ff e8 44 db 68 ff 0f 0b e9 d7 fc ff ff e8 38 db 68 ff <0f> 0b e8 31 db 68 ff 0f 0b e9 13 fe ff ff e8 05 c1 af ff e9 c2 fb [ 51.499875][ T3591] RSP: 0018:ffffc90001f46e80 EFLAGS: 00010293 [ 51.505923][ T3591] RAX: 0000000000000000 RBX: 00000000000053de RCX: 0000000000000000 [ 51.513882][ T3591] RDX: ffff88801ddd42c0 RSI: ffffffff820f1a58 RDI: 0000000000000003 [ 51.521847][ T3591] RBP: ffff88806d1dd660 R08: 00000000ffffffff R09: 0000000000000000 [ 51.529802][ T3591] R10: ffffffff820f179c R11: 0000000000000000 R12: 0000000000000001 [ 51.537754][ T3591] R13: 00000000ffffffff R14: 1ffff920003e8dd1 R15: 00008f1cffffffff [ 51.545705][ T3591] FS: 0000555557469300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 51.554617][ T3591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.561184][ T3591] CR2: 00007ffe98856bf8 CR3: 000000001e108000 CR4: 00000000003506e0 [ 51.569160][ T3591] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.577120][ T3591] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.585076][ T3591] Call Trace: [ 51.588334][ T3591] [ 51.591246][ T3591] ? ext4_es_insert_extent+0xc80/0xc80 [ 51.596708][ T3591] ? rcu_read_lock_sched_held+0x3a/0x70 [ 51.602282][ T3591] ? trace_kmalloc+0x32/0xf0 [ 51.606884][ T3591] ext4_cache_extents+0x13e/0x2d0 [ 51.611903][ T3591] ext4_find_extent+0x8f6/0xce0 [ 51.616741][ T3591] ext4_ext_map_blocks+0x1e2/0x5f60 [ 51.621931][ T3591] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.627892][ T3591] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.633858][ T3591] ? arch_stack_walk+0x5c/0xe0 [ 51.638606][ T3591] ? ext4_ext_release+0x10/0x10 [ 51.643435][ T3591] ? lock_release+0x720/0x720 [ 51.648094][ T3591] ? down_read+0x198/0x440 [ 51.652503][ T3591] ? rwsem_down_read_slowpath+0xa70/0xa70 [ 51.658198][ T3591] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 51.664424][ T3591] ? ext4_es_lookup_extent+0xc4/0xcf0 [ 51.669777][ T3591] ? __stack_depot_save+0x35/0x500 [ 51.674867][ T3591] ext4_map_blocks+0x9ca/0x18a0 [ 51.679697][ T3591] ? kmem_cache_alloc+0x265/0x560 [ 51.684788][ T3591] ? __d_alloc+0x2a/0x950 [ 51.689107][ T3591] ? ext4_issue_zeroout+0x1f0/0x1f0 [ 51.694285][ T3591] ext4_getblk+0x553/0x6b0 [ 51.698692][ T3591] ? ext4_iomap_overwrite_begin+0xa0/0xa0 [ 51.704410][ T3591] ? mark_lock.part.0+0xee/0x1910 [ 51.709446][ T3591] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.715424][ T3591] ext4_bread_batch+0x7c/0x550 [ 51.720170][ T3591] __ext4_find_entry+0x482/0x1050 [ 51.725177][ T3591] ? ext4_dx_find_entry+0x580/0x580 [ 51.730363][ T3591] ? ext4_fname_prepare_lookup+0x259/0x330 [ 51.736167][ T3591] ? ext4_fname_setup_filename+0x240/0x240 [ 51.741967][ T3591] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.748233][ T3591] ? d_alloc_parallel+0x9af/0x1af0 [ 51.753414][ T3591] ext4_lookup+0x4fc/0x730 [ 51.757823][ T3591] ? ext4_resetent+0x2d0/0x2d0 [ 51.762571][ T3591] ? alauda_transport+0x93a/0x3320 [ 51.767677][ T3591] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.773652][ T3591] ? find_held_lock+0x2d/0x110 [ 51.778396][ T3591] ? lockdep_init_map_type+0x21a/0x7f0 [ 51.783834][ T3591] __lookup_slow+0x24c/0x480 [ 51.788409][ T3591] ? page_put_link+0x220/0x220 [ 51.793150][ T3591] ? trace_raw_output_mptcp_subflow_get_send+0xa0/0x220 [ 51.800065][ T3591] ? trace_raw_output_mptcp_subflow_get_send+0xa0/0x220 [ 51.806992][ T3591] ? selinux_inode_permission+0x9b/0x610 [ 51.812605][ T3591] ? __inode_security_revalidate+0x140/0x140 [ 51.818564][ T3591] walk_component+0x40f/0x6a0 [ 51.823266][ T3591] ? handle_dots.part.0+0x15e0/0x15e0 [ 51.828631][ T3591] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 51.834863][ T3591] ? security_inode_permission+0xc5/0xf0 [ 51.840492][ T3591] ? inode_permission.part.0+0xb5/0x670 [ 51.846016][ T3591] link_path_walk.part.0+0x7ef/0xf70 [ 51.851281][ T3591] ? walk_component+0x6a0/0x6a0 [ 51.856112][ T3591] ? percpu_counter_add_batch+0xbd/0x180 [ 51.861732][ T3591] path_openat+0x266/0x2940 [ 51.866225][ T3591] ? lock_chain_count+0x20/0x20 [ 51.871054][ T3591] ? path_lookupat+0x860/0x860 [ 51.875797][ T3591] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.881757][ T3591] do_filp_open+0x1aa/0x400 [ 51.886241][ T3591] ? may_open_dev+0xf0/0xf0 [ 51.890725][ T3591] ? alloc_fd+0x2f0/0x670 [ 51.895035][ T3591] ? rwlock_bug.part.0+0x90/0x90 [ 51.899962][ T3591] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 51.906184][ T3591] ? _find_next_bit+0x1e3/0x260 [ 51.911013][ T3591] ? _raw_spin_unlock+0x24/0x40 [ 51.915843][ T3591] ? alloc_fd+0x2f0/0x670 [ 51.920148][ T3591] do_sys_openat2+0x16d/0x4d0 [ 51.924821][ T3591] ? find_held_lock+0x2d/0x110 [ 51.929567][ T3591] ? build_open_flags+0x6f0/0x6f0 [ 51.934576][ T3591] ? lock_downgrade+0x6e0/0x6e0 [ 51.939418][ T3591] __x64_sys_openat+0x13f/0x1f0 [ 51.944250][ T3591] ? __ia32_sys_open+0x1c0/0x1c0 [ 51.949171][ T3591] ? syscall_enter_from_user_mode+0x21/0x70 [ 51.955055][ T3591] do_syscall_64+0x35/0xb0 [ 51.959461][ T3591] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 51.965346][ T3591] RIP: 0033:0x7f7262acdf19 [ 51.969749][ T3591] 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 c0 ff ff ff f7 d8 64 89 01 48 [ 51.989342][ T3591] RSP: 002b:00007ffc78095188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 51.997746][ T3591] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7262acdf19 [ 52.005694][ T3591] RDX: 000000000000c880 RSI: 0000000020000100 RDI: 0000000000000005 [ 52.013652][ T3591] RBP: 00007f7262a8d7b0 R08: 0000000800000015 R09: 0000000000000000 [ 52.021603][ T3591] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7262a8d840 [ 52.029551][ T3591] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 52.037501][ T3591] [ 52.040497][ T3591] Modules linked in: [ 52.044886][ T3591] ---[ end trace 0000000000000000 ]--- [ 52.050345][ T3591] RIP: 0010:ext4_es_cache_extent+0x4e8/0x550 [ 52.056377][ T3591] Code: 00 48 c7 c7 20 3a c1 89 c6 05 4a 15 70 0b 01 e8 fd 16 f9 06 e9 5a ff ff ff e8 44 db 68 ff 0f 0b e9 d7 fc ff ff e8 38 db 68 ff <0f> 0b e8 31 db 68 ff 0f 0b e9 13 fe ff ff e8 05 c1 af ff e9 c2 fb [ 52.076015][ T3591] RSP: 0018:ffffc90001f46e80 EFLAGS: 00010293 [ 52.082067][ T3591] RAX: 0000000000000000 RBX: 00000000000053de RCX: 0000000000000000 [ 52.090089][ T3591] RDX: ffff88801ddd42c0 RSI: ffffffff820f1a58 RDI: 0000000000000003 [ 52.098103][ T3591] RBP: ffff88806d1dd660 R08: 00000000ffffffff R09: 0000000000000000 [ 52.106106][ T3591] R10: ffffffff820f179c R11: 0000000000000000 R12: 0000000000000001 [ 52.114076][ T3591] R13: 00000000ffffffff R14: 1ffff920003e8dd1 R15: 00008f1cffffffff [ 52.122084][ T3591] FS: 0000555557469300(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 52.131049][ T3591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.137749][ T3591] CR2: 00007ffe98856bf8 CR3: 000000001e108000 CR4: 00000000003506e0 [ 52.145751][ T3591] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.153720][ T3591] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.161742][ T3591] Kernel panic - not syncing: Fatal exception [ 52.167979][ T3591] Kernel Offset: disabled [ 52.172289][ T3591] Rebooting in 86400 seconds..