Title | Replies (including bot) | Last reply |
---|---|---|
KASAN: use-after-free Read in radix_tree_next_chunk | 1 (2) | 2018/04/04 07:14 |
KASAN: use-after-free Read in radix_tree_next_chunk | 0 (1) | 2018/03/31 20:47 |
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Title | Replies (including bot) | Last reply |
---|---|---|
KASAN: use-after-free Read in radix_tree_next_chunk | 1 (2) | 2018/04/04 07:14 |
KASAN: use-after-free Read in radix_tree_next_chunk | 0 (1) | 2018/03/31 20:47 |
XFS (loop5): Invalid superblock magic number XFS (loop6): Invalid superblock magic number XFS (loop4): Invalid superblock magic number XFS (loop7): Invalid superblock magic number ================================================================== BUG: KASAN: use-after-free in radix_tree_next_chunk+0xf9f/0xfb0 lib/radix-tree.c:1718 Read of size 4 at addr ffff8801d8d92588 by task syz-executor042/8776 CPU: 0 PID: 8776 Comm: syz-executor042 Not tainted 4.17.0-rc5+ #60 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+0x1b9/0x294 lib/dump_stack.c:113 print_address_description+0x6c/0x20b mm/kasan/report.c:256 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:432 radix_tree_next_chunk+0xf9f/0xfb0 lib/radix-tree.c:1718 radix_tree_gang_lookup_tag+0x3d4/0x5f0 lib/radix-tree.c:1916 XFS (loop3): Invalid superblock magic number xfs_perag_get_tag+0x12d/0x7c0 fs/xfs/libxfs/xfs_sb.c:88 xfs_reclaim_inodes_count+0x82/0xb0 fs/xfs/xfs_icache.c:1383 XFS (loop0): Invalid superblock magic number xfs_fs_nr_cached_objects+0x37/0x50 fs/xfs/xfs_super.c:1809 super_cache_count+0x98/0x280 fs/super.c:132 do_shrink_slab mm/vmscan.c:374 [inline] shrink_slab.part.39+0x330/0xf90 mm/vmscan.c:531 shrink_slab+0xa1/0xc0 mm/vmscan.c:506 shrink_node+0x4f2/0x1740 mm/vmscan.c:2561 shrink_zones mm/vmscan.c:2794 [inline] do_try_to_free_pages+0x3c9/0x1240 mm/vmscan.c:2856 try_to_free_mem_cgroup_pages+0x475/0xc50 mm/vmscan.c:3146 memory_high_write+0x26e/0x2f0 mm/memcontrol.c:5124 cgroup_file_write+0x317/0x820 kernel/cgroup/cgroup.c:3429 kernfs_fop_write+0x2ba/0x480 fs/kernfs/file.c:316 __vfs_write+0x10b/0x960 fs/read_write.c:485 vfs_write+0x1f8/0x560 fs/read_write.c:549 ksys_write+0xf9/0x250 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x441d29 RSP: 002b:00007ffd74c58c38 EFLAGS: 00000217 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441d29 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000030 R13: 000000000000a9b8 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 8739: save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553 kmem_cache_alloc_trace+0x152/0x780 mm/slab.c:3620 kmalloc include/linux/slab.h:512 [inline] kzalloc include/linux/slab.h:701 [inline] xfs_mount_alloc fs/xfs/xfs_super.c:1587 [inline] xfs_fs_fill_super+0xda/0x1560 fs/xfs/xfs_super.c:1620 mount_bdev+0x30c/0x3e0 fs/super.c:1164 xfs_fs_mount+0x34/0x40 fs/xfs/xfs_super.c:1801 mount_fs+0xae/0x328 fs/super.c:1267 vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037 vfs_kern_mount fs/namespace.c:1027 [inline] do_new_mount fs/namespace.c:2518 [inline] do_mount+0x564/0x3070 fs/namespace.c:2848 ksys_mount+0x12d/0x140 fs/namespace.c:3064 __do_sys_mount fs/namespace.c:3078 [inline] __se_sys_mount fs/namespace.c:3075 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 8739: save_stack+0x43/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] __kasan_slab_free+0x11a/0x170 mm/kasan/kasan.c:521 kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528 __cache_free mm/slab.c:3498 [inline] kfree+0xd9/0x260 mm/slab.c:3813 xfs_fs_fill_super+0x66a/0x1560 fs/xfs/xfs_super.c:1765 mount_bdev+0x30c/0x3e0 fs/super.c:1164 xfs_fs_mount+0x34/0x40 fs/xfs/xfs_super.c:1801 mount_fs+0xae/0x328 fs/super.c:1267 vfs_kern_mount.part.34+0xd4/0x4d0 fs/namespace.c:1037 vfs_kern_mount fs/namespace.c:1027 [inline] do_new_mount fs/namespace.c:2518 [inline] do_mount+0x564/0x3070 fs/namespace.c:2848 ksys_mount+0x12d/0x140 fs/namespace.c:3064 __do_sys_mount fs/namespace.c:3078 [inline] __se_sys_mount fs/namespace.c:3075 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3075 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe The buggy address belongs to the object at ffff8801d8d92180 which belongs to the cache kmalloc-4096 of size 4096 The buggy address is located 1032 bytes inside of 4096-byte region [ffff8801d8d92180, ffff8801d8d93180) The buggy address belongs to the page: page:ffffea0007636480 count:1 mapcount:0 mapping:ffff8801d8d92180 index:0x0 compound_mapcount: 0 flags: 0x2fffc0000008100(slab|head) raw: 02fffc0000008100 ffff8801d8d92180 0000000000000000 0000000100000001 raw: ffffea0006eac020 ffffea0007633c20 ffff8801da800dc0 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801d8d92480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8801d8d92500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8801d8d92580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8801d8d92600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8801d8d92680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2018/05/20 20:56 | upstream | 203ec2fed17a | f48c20b8 | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | |||
2018/04/16 06:50 | upstream | 71b8ebbf3d7b | 7a67784c | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | |||
2018/04/11 07:16 | upstream | c18bb396d3d2 | 8b8de427 | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | |||
2018/04/01 10:06 | upstream | 10b84daddbec | 0174c6c8 | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | |||
2018/03/30 23:02 | upstream | 9dd2326890d8 | 8fbce0e4 | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | |||
2018/05/22 06:22 | upstream | 6741c4bb389d | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/21 21:44 | upstream | 6741c4bb389d | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/21 20:30 | upstream | 6741c4bb389d | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/21 13:47 | upstream | 771c577c23ba | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/21 07:45 | upstream | 771c577c23ba | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/21 06:25 | upstream | 771c577c23ba | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/21 05:17 | upstream | 771c577c23ba | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/21 03:53 | upstream | 771c577c23ba | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/21 02:25 | upstream | 771c577c23ba | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/21 00:48 | upstream | 771c577c23ba | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/20 20:09 | upstream | 203ec2fed17a | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/20 19:02 | upstream | 203ec2fed17a | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/20 17:41 | upstream | 203ec2fed17a | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/20 14:18 | upstream | 203ec2fed17a | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/20 10:28 | upstream | 203ec2fed17a | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/20 06:24 | upstream | 0b449a441dac | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/20 02:32 | upstream | 0b449a441dac | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/19 21:13 | upstream | 0b449a441dac | f48c20b8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/19 19:22 | upstream | 73fcb1a370c7 | 849705db | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/19 17:37 | upstream | 73fcb1a370c7 | 849705db | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/19 16:21 | upstream | 73fcb1a370c7 | 849705db | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/19 14:27 | upstream | 73fcb1a370c7 | 849705db | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/19 12:56 | upstream | 73fcb1a370c7 | 849705db | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/19 11:11 | upstream | 73fcb1a370c7 | 849705db | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/19 09:53 | upstream | 73fcb1a370c7 | 849705db | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/18 20:36 | upstream | 2c71d338bef2 | 849705db | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/18 19:28 | upstream | 3acf4e395260 | 849705db | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/18 16:58 | upstream | 3acf4e395260 | c992b767 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/18 11:52 | upstream | 3acf4e395260 | c992b767 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/18 10:43 | upstream | 3acf4e395260 | c992b767 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/18 04:20 | upstream | 305bb5521282 | 738d58ad | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/18 02:27 | upstream | 305bb5521282 | 738d58ad | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/17 22:59 | upstream | 305bb5521282 | 738d58ad | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/17 21:12 | upstream | 305bb5521282 | 738d58ad | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/17 18:30 | upstream | 305bb5521282 | 738d58ad | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/17 17:21 | upstream | e6506eb24187 | 90c54c49 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/17 16:10 | upstream | e6506eb24187 | 90c54c49 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/17 13:35 | upstream | e6506eb24187 | 90c54c49 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/17 10:41 | upstream | e6506eb24187 | 90c54c49 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/17 09:03 | upstream | e6506eb24187 | a367c1d7 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/17 08:00 | upstream | e6506eb24187 | a367c1d7 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/17 05:51 | upstream | e6506eb24187 | a367c1d7 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/17 03:08 | upstream | e6506eb24187 | a367c1d7 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/17 01:47 | upstream | e6506eb24187 | a367c1d7 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/17 00:25 | upstream | 21b9f1c7e319 | a367c1d7 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/16 21:54 | upstream | 21b9f1c7e319 | a367c1d7 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/16 18:04 | upstream | 21b9f1c7e319 | 75b2448a | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/16 15:07 | upstream | 21b9f1c7e319 | 75b2448a | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/16 12:59 | upstream | 21b9f1c7e319 | 75b2448a | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/05/16 09:15 | upstream | 21b9f1c7e319 | 75b2448a | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/03/30 19:43 | upstream | 9dd2326890d8 | 8fbce0e4 | .config | console log | report | ci-upstream-kasan-gce-root |