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[syzbot] [jfs?] UBSAN: shift-out-of-bounds in jfs_statfs (3) | 0 (2) | 2025/06/09 22:13 |
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[syzbot] [jfs?] UBSAN: shift-out-of-bounds in jfs_statfs (3) | 0 (2) | 2025/06/09 22:13 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | UBSAN: shift-out-of-bounds in jfs_statfs jfs | C | error | inconclusive | 5 | 579d | 967d | 0/29 | auto-obsoleted due to no activity on 2024/02/25 19:43 |
upstream | UBSAN: shift-out-of-bounds in jfs_statfs (2) jfs | 1 | 280d | 276d | 0/29 | auto-obsoleted due to no activity on 2024/12/20 23:55 |
loop0: detected capacity change from 0 to 32768 ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/jfs/super.c:140:14 shift exponent 115 is too large for 64-bit type 's64' (aka 'long long') CPU: 0 UID: 0 PID: 5824 Comm: syz-executor158 Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Call Trace: <TASK> dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120 ubsan_epilogue+0xa/0x40 lib/ubsan.c:233 __ubsan_handle_shift_out_of_bounds+0x386/0x410 lib/ubsan.c:494 jfs_statfs+0x4d1/0x550 fs/jfs/super.c:140 statfs_by_dentry fs/statfs.c:66 [inline] vfs_statfs+0x144/0x2d0 fs/statfs.c:90 ovl_check_namelen fs/overlayfs/super.c:388 [inline] ovl_lower_dir fs/overlayfs/super.c:404 [inline] ovl_get_lowerstack fs/overlayfs/super.c:1150 [inline] ovl_fill_super+0x9d9/0x35d0 fs/overlayfs/super.c:1416 vfs_get_super fs/super.c:1323 [inline] get_tree_nodev+0xb8/0x150 fs/super.c:1342 vfs_get_tree+0x92/0x2b0 fs/super.c:1802 do_new_mount+0x24a/0xa40 fs/namespace.c:3885 do_mount fs/namespace.c:4222 [inline] __do_sys_mount fs/namespace.c:4433 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4410 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f035be53a39 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff8ebfc168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f035be53a39 RDX: 0000200000000000 RSI: 0000200000000140 RDI: 0000000000000000 RBP: 00007f035be9c05e R08: 00002000000003c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e R13: 65756e69746e6f63 R14: 633d73726f727265 R15: 0000000000000001 </TASK> ---[ end trace ]---
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2025/06/09 23:11 | upstream | 19272b37aa4f | 4826c28e | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci2-upstream-fs | UBSAN: shift-out-of-bounds in jfs_statfs | |
2025/06/09 22:13 | linux-next | 475c850a7fdd | 4826c28e | .config | strace log | report | syz / log | C | [disk image] [vmlinux] [kernel image] [mounted in repro (corrupt fs)] | ci-upstream-linux-next-kasan-gce-root | UBSAN: shift-out-of-bounds in jfs_statfs | |
2025/06/10 06:45 | upstream | 19272b37aa4f | 4826c28e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | UBSAN: shift-out-of-bounds in jfs_statfs | ||
2025/06/09 20:56 | linux-next | 475c850a7fdd | 4826c28e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-linux-next-kasan-gce-root | UBSAN: shift-out-of-bounds in jfs_statfs | ||
2025/04/26 13:25 | git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci | c72692105976 | c6b4fb39 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-gce-arm64 | UBSAN: shift-out-of-bounds in jfs_statfs |