divide error in squashfs

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	divide error in squashfs_readpage	C		error	1	1099d	1228d	0/1	upstream: reported C repro on 2020/12/15 07:21
upstream	divide error in squashfs_readpage squashfs	C	inconclusive		1	1089d	1089d	26/26	closed as dup on 2021/05/11 08:53

linux-4.19

divide error in squashfs_readpage

error

1099d

1228d

0/1

upstream: reported C repro on 2020/12/15 07:21

upstream

divide error in squashfs_readpage squashfs

inconclusive

1089d

26/26

closed as dup on 2021/05/11 08:53


Created	Duration	User	Repo	Result
2023/02/19 17:12	30m	bisect fix	linux-4.14.y	job log (0) log
2023/01/20 06:58	23m	bisect fix	linux-4.14.y	job log (0) log
2022/10/27 15:47	30m	bisect fix	linux-4.14.y	job log (0) log
2022/09/19 15:16	24m	bisect fix	linux-4.14.y	job log (0) log
2022/08/20 12:20	29m	bisect fix	linux-4.14.y	job log (0) log
2022/07/21 11:54	26m	bisect fix	linux-4.14.y	job log (0) log
2022/06/21 11:18	21m	bisect fix	linux-4.14.y	job log (0) log
2022/05/22 10:21	30m	bisect fix	linux-4.14.y	job log (0) log
2022/04/22 06:36	21m	bisect fix	linux-4.14.y	job log (0) log
2022/03/23 05:33	27m	bisect fix	linux-4.14.y	job log (0) log
2022/02/20 15:11	31m	bisect fix	linux-4.14.y	job log (0) log
2022/01/21 13:16	28m	bisect fix	linux-4.14.y	job log (0) log
2021/12/22 12:40	29m	bisect fix	linux-4.14.y	job log (0) log
2021/11/22 11:55	23m	bisect fix	linux-4.14.y	job log (0) log
2021/10/23 10:43	27m	bisect fix	linux-4.14.y	job log (0) log
2021/09/22 22:45	28m	bisect fix	linux-4.14.y	job log (0) log
2021/08/23 19:38	26m	bisect fix	linux-4.14.y	job log (0) log
2021/07/24 19:03	27m	bisect fix	linux-4.14.y	job log (0) log
2021/06/24 18:31	22m	bisect fix	linux-4.14.y	job log (0) log
2021/05/25 14:57	28m	bisect fix	linux-4.14.y	job log (0) log
2021/04/25 13:25	26m	bisect fix	linux-4.14.y	job log (0) log
2021/03/26 05:25	21m	bisect fix	linux-4.14.y	job log (0) log
2021/02/24 04:33	22m	bisect fix	linux-4.14.y	job log (0) log
2021/01/24 03:50	22m	bisect fix	linux-4.14.y	job log (0) log
2020/12/25 03:22	22m	bisect fix	linux-4.14.y	job log (0) log

divide error: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 7982 Comm: syz-executor083 Not tainted 4.14.209-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880b5300000 task.stack: ffff888096358000 RIP: 0010:fill_meta_index fs/squashfs/file.c:256 [inline] RIP: 0010:read_blocklist fs/squashfs/file.c:345 [inline] RIP: 0010:squashfs_readpage+0x7a0/0x1d5d fs/squashfs/file.c:482 RSP: 0018:ffff88809635f798 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffea0002400680 RDI: ffff88808df9a4f8 RBP: 0000000000000099 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000000de R13: ffff88808df9a548 R14: ffffea0002400690 R15: ffffea0002400688 FS: 0000000000ed8880(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055fe05c98020 CR3: 00000000b5384000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: read_pages mm/readahead.c:131 [inline] __do_page_cache_readahead+0x69b/0x940 mm/readahead.c:199 ra_submit mm/internal.h:66 [inline] ondemand_readahead.isra.0+0x514/0xb60 mm/readahead.c:486 page_cache_sync_readahead mm/readahead.c:518 [inline] page_cache_sync_readahead+0xa6/0xf0 mm/readahead.c:503 generic_file_buffered_read mm/filemap.c:2003 [inline] generic_file_read_iter+0xfbc/0x21c0 mm/filemap.c:2273 call_read_iter include/linux/fs.h:1772 [inline] new_sync_read fs/read_write.c:401 [inline] __vfs_read+0x449/0x620 fs/read_write.c:413 vfs_read+0x139/0x340 fs/read_write.c:447 kernel_read+0xa6/0x110 fs/read_write.c:426 prepare_binprm+0x5b8/0x7e0 fs/exec.c:1581 do_execveat_common+0xd72/0x1f30 fs/exec.c:1798 do_execveat fs/exec.c:1871 [inline] SYSC_execveat fs/exec.c:1952 [inline] SyS_execveat+0x51/0x70 fs/exec.c:1944 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4443c9 RSP: 002b:00007fffaa0dde68 EFLAGS: 00000246 ORIG_RAX: 0000000000000142 RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 00000000004443c9 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000005 RBP: 00000000006cf018 R08: 0000000000000000 R09: 00000000004002e0 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401fb0 R13: 0000000000402040 R14: 0000000000000000 R15: 0000000000000000 Code: 89 a4 24 d0 00 00 00 80 3c 02 00 0f 85 77 15 00 00 48 63 8c 24 94 00 00 00 31 d2 48 63 44 24 50 48 8b 3c 24 48 89 cb 48 c1 e1 0b <48> f7 f1 c1 e3 0b 85 c0 48 89 44 24 60 4c 8b 6f c8 89 44 24 38 RIP: fill_meta_index fs/squashfs/file.c:256 [inline] RSP: ffff88809635f798 RIP: read_blocklist fs/squashfs/file.c:345 [inline] RSP: ffff88809635f798 RIP: squashfs_readpage+0x7a0/0x1d5d fs/squashfs/file.c:482 RSP: ffff88809635f798 ---[ end trace 97236d6cdc65c556 ]---