Title | Replies (including bot) | Last reply |
---|---|---|
[syzbot] UBSAN: shift-out-of-bounds in dbAllocBits | 1 (3) | 2023/03/22 21:30 |
syzbot |
sign-in | mailing list | source | docs |
Title | Replies (including bot) | Last reply |
---|---|---|
[syzbot] UBSAN: shift-out-of-bounds in dbAllocBits | 1 (3) | 2023/03/22 21:30 |
loop0: detected capacity change from 0 to 32768 ================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2217:15 shift exponent -1368651876 is negative CPU: 0 PID: 3606 Comm: syz-executor109 Not tainted 6.0.0-syzkaller-09039-ga6afa4199d3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x33d/0x3b0 lib/ubsan.c:322 dbAllocBits+0x96f/0x9c0 fs/jfs/jfs_dmap.c:2217 dbAllocDmap fs/jfs/jfs_dmap.c:1999 [inline] dbAllocDmapLev+0x240/0x420 fs/jfs/jfs_dmap.c:1953 dbAllocCtl+0x113/0x970 fs/jfs/jfs_dmap.c:1793 dbAllocAny fs/jfs/jfs_dmap.c:1507 [inline] dbAlloc+0x5ae/0xc90 fs/jfs/jfs_dmap.c:732 extBalloc fs/jfs/jfs_extent.c:321 [inline] extAlloc+0x4b9/0xff0 fs/jfs/jfs_extent.c:122 jfs_get_block+0x342/0xce0 fs/jfs/inode.c:248 __block_write_begin_int+0x5f6/0x1ba0 fs/buffer.c:2006 __block_write_begin fs/buffer.c:2056 [inline] block_write_begin+0x93/0x1e0 fs/buffer.c:2117 jfs_write_begin+0x2d/0x60 fs/jfs/inode.c:304 generic_perform_write+0x2a8/0x5b0 mm/filemap.c:3745 __generic_file_write_iter+0x176/0x400 mm/filemap.c:3873 generic_file_write_iter+0xab/0x310 mm/filemap.c:3905 do_iter_write+0x6c2/0xc20 fs/read_write.c:861 vfs_writev fs/read_write.c:934 [inline] do_writev+0x23e/0x430 fs/read_write.c:977 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe1ef5c4e39 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff5e480f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fe1ef5c4e39 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 0000000000000003 RBP: 00007fe1ef584600 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000f8008000 R13: 0000000000000000 R14: 00080000000000f4 R15: 0000000000000000 </TASK> ================================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/10/09 02:28 | upstream | a6afa4199d3d | aea5da89 | .config | strace log | report | syz | C | [disk image] [vmlinux] [mounted in repro] | ci2-upstream-fs | UBSAN: shift-out-of-bounds in dbAllocBits | |
2022/11/01 14:54 | upstream | b229b6ca5abb | a1d8560a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | UBSAN: shift-out-of-bounds in dbAllocBits | ||
2022/11/01 14:47 | upstream | b229b6ca5abb | a1d8560a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | UBSAN: shift-out-of-bounds in dbAllocBits | ||
2022/10/26 19:12 | upstream | 4dc12f37a8e9 | 86777b7f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-fs | UBSAN: shift-out-of-bounds in dbAllocBits |