| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2024/10/28 | upstream (ToT) | 819837584309 | C | [report] UBSAN: shift-out-of-bounds in ocfs2_fill_super |
syzbot |
sign-in | mailing list | source | docs |
| Date | Name | Commit | Repro | Result |
|---|---|---|---|---|
| 2024/10/28 | upstream (ToT) | 819837584309 | C | [report] UBSAN: shift-out-of-bounds in ocfs2_fill_super |
| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | UBSAN: shift-out-of-bounds in ocfs2_fill_super ocfs2 | C | 199 | 48d | 116d | 28/28 | fixed on 2024/10/22 11:56 | ||
| linux-5.15 | UBSAN: shift-out-of-bounds in ocfs2_fill_super origin:upstream missing-backport | C | error | 24 | 1d19h | 69d | 0/3 | upstream: reported C repro on 2024/09/30 21:30 | |
| upstream | UBSAN: shift-out-of-bounds in ocfs2_fill_super (2) ocfs2 | C | 81 | 22d | 43d | 26/28 | upstream: reported C repro on 2024/10/27 00:25 |
option from the mount to silence this warning. ======================================================= ================================================================================ UBSAN: shift-out-of-bounds in fs/ocfs2/super.c:2338:10 shift exponent 777 is too large for 32-bit type 'int' CPU: 1 PID: 4289 Comm: syz-executor265 Not tainted 6.1.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:321 ocfs2_verify_volume fs/ocfs2/super.c:2338 [inline] ocfs2_sb_probe fs/ocfs2/super.c:792 [inline] ocfs2_fill_super+0xe6c/0x4a0c fs/ocfs2/super.c:988 mount_bdev+0x274/0x370 fs/super.c:1443 ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1186 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x278/0x8fc fs/namespace.c:3056 path_mount+0x590/0xe5c fs/namespace.c:3386 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount fs/namespace.c:3584 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3584 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 ================================================================================ ================================================================================ UBSAN: shift-out-of-bounds in fs/ocfs2/super.c:2034:24 shift exponent -764 is negative CPU: 1 PID: 4289 Comm: syz-executor265 Not tainted 6.1.114-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:321 ocfs2_initialize_super fs/ocfs2/super.c:2034 [inline] ocfs2_fill_super+0x4264/0x4a0c fs/ocfs2/super.c:994 mount_bdev+0x274/0x370 fs/super.c:1443 ocfs2_mount+0x44/0x58 fs/ocfs2/super.c:1186 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632 vfs_get_tree+0x90/0x274 fs/super.c:1573 do_new_mount+0x278/0x8fc fs/namespace.c:3056 path_mount+0x590/0xe5c fs/namespace.c:3386 do_mount fs/namespace.c:3399 [inline] __do_sys_mount fs/namespace.c:3607 [inline] __se_sys_mount fs/namespace.c:3584 [inline] __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3584 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 ================================================================================ (syz-executor265,4289,1):ocfs2_verify_userspace_stack:854 ERROR: cluster stack passed to mount, but this filesystem does not support it (syz-executor265,4289,1):ocfs2_fill_super:1176 ERROR: status = -22
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024/10/27 03:40 | linux-6.1.y | 7ec6f9fa3d97 | 65e8686b | .config | console log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro] | ci2-linux-6-1-kasan-arm64 | UBSAN: shift-out-of-bounds in ocfs2_fill_super | |
| 2024/11/21 23:56 | linux-6.1.y | b67dc5c9ade9 | 4b25d554 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | UBSAN: shift-out-of-bounds in ocfs2_fill_super | ||
| 2024/11/21 23:54 | linux-6.1.y | b67dc5c9ade9 | 4b25d554 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | UBSAN: shift-out-of-bounds in ocfs2_fill_super | ||
| 2024/11/11 00:49 | linux-6.1.y | d7039b844a1c | 6b856513 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | UBSAN: shift-out-of-bounds in ocfs2_fill_super | ||
| 2024/11/10 01:03 | linux-6.1.y | d7039b844a1c | 6b856513 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | UBSAN: shift-out-of-bounds in ocfs2_fill_super | ||
| 2024/11/10 01:03 | linux-6.1.y | d7039b844a1c | 6b856513 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan | UBSAN: shift-out-of-bounds in ocfs2_fill_super | ||
| 2024/11/21 16:08 | linux-6.1.y | b67dc5c9ade9 | 4b25d554 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | UBSAN: shift-out-of-bounds in ocfs2_fill_super | ||
| 2024/11/21 16:08 | linux-6.1.y | b67dc5c9ade9 | 4b25d554 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | UBSAN: shift-out-of-bounds in ocfs2_fill_super | ||
| 2024/11/10 22:40 | linux-6.1.y | d7039b844a1c | 6b856513 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | UBSAN: shift-out-of-bounds in ocfs2_fill_super | ||
| 2024/11/10 17:38 | linux-6.1.y | d7039b844a1c | 6b856513 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | UBSAN: shift-out-of-bounds in ocfs2_fill_super | ||
| 2024/11/09 19:04 | linux-6.1.y | d7039b844a1c | 6b856513 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | UBSAN: shift-out-of-bounds in ocfs2_fill_super | ||
| 2024/11/09 19:04 | linux-6.1.y | d7039b844a1c | 6b856513 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | UBSAN: shift-out-of-bounds in ocfs2_fill_super | ||
| 2024/10/27 03:28 | linux-6.1.y | 7ec6f9fa3d97 | 65e8686b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-6-1-kasan-arm64 | UBSAN: shift-out-of-bounds in ocfs2_fill_super |