Title | Replies (including bot) | Last reply |
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[syzbot] [block?] KASAN: slab-out-of-bounds Read in bio_split_rw | 3 (7) | 2023/07/24 21:20 |
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[syzbot] [block?] KASAN: slab-out-of-bounds Read in bio_split_rw | 3 (7) | 2023/07/24 21:20 |
Created | Duration | User | Patch | Repo | Result |
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2023/07/24 16:25 | 35m | dhowells@redhat.com | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 0b7ec177b589842c0abf9e91459c83ba28d32452 | OK log |
================================================================== BUG: KASAN: slab-out-of-bounds in bio_split_rw+0x7e7/0x8b0 block/blk-merge.c:286 Read of size 8 at addr ffff88807a302100 by task syz-executor144/5006 CPU: 1 PID: 5006 Comm: syz-executor144 Not tainted 6.4.0-rc7-syzkaller-01944-g3674fbf0451d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 print_address_description.constprop.0+0x2c/0x3c0 mm/kasan/report.c:351 print_report mm/kasan/report.c:462 [inline] kasan_report+0x11c/0x130 mm/kasan/report.c:572 bio_split_rw+0x7e7/0x8b0 block/blk-merge.c:286 __bio_split_to_limits+0x235/0x9b0 block/blk-merge.c:370 blk_mq_submit_bio+0x235/0x1f50 block/blk-mq.c:2940 __submit_bio+0xfc/0x310 block/blk-core.c:594 __submit_bio_noacct_mq block/blk-core.c:673 [inline] submit_bio_noacct_nocheck+0x7f9/0xb40 block/blk-core.c:702 submit_bio_noacct+0x945/0x19f0 block/blk-core.c:801 ext4_io_submit+0xa6/0x140 fs/ext4/page-io.c:378 ext4_do_writepages+0x141c/0x3290 fs/ext4/inode.c:2723 ext4_writepages+0x304/0x770 fs/ext4/inode.c:2792 do_writepages+0x1a8/0x640 mm/page-writeback.c:2551 filemap_fdatawrite_wbc mm/filemap.c:390 [inline] filemap_fdatawrite_wbc+0x147/0x1b0 mm/filemap.c:380 __filemap_fdatawrite_range+0xb8/0xf0 mm/filemap.c:423 filemap_write_and_wait_range mm/filemap.c:678 [inline] filemap_write_and_wait_range+0xa1/0x120 mm/filemap.c:669 __iomap_dio_rw+0x65f/0x1f90 fs/iomap/direct-io.c:569 iomap_dio_rw+0x40/0xa0 fs/iomap/direct-io.c:688 ext4_dio_read_iter fs/ext4/file.c:94 [inline] ext4_file_read_iter+0x4be/0x690 fs/ext4/file.c:145 call_read_iter include/linux/fs.h:1862 [inline] generic_file_splice_read+0x182/0x4b0 fs/splice.c:420 do_splice_to+0x1b9/0x240 fs/splice.c:1007
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/06/30 01:32 | net | 3674fbf0451d | 7b33cf8f | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | KASAN: slab-out-of-bounds Read in bio_split_rw |