Title | Replies (including bot) | Last reply |
---|---|---|
[syzbot] [bcachefs?] UBSAN: shift-out-of-bounds in __btree_node_pinned | 0 (3) | 2024/10/04 21:48 |
syzbot |
sign-in | mailing list | source | docs |
Title | Replies (including bot) | Last reply |
---|---|---|
[syzbot] [bcachefs?] UBSAN: shift-out-of-bounds in __btree_node_pinned | 0 (3) | 2024/10/04 21:48 |
------------[ cut here ]------------ UBSAN: shift-out-of-bounds in fs/bcachefs/btree_cache.c:198:18 shift exponent 227 is too large for 64-bit type 'unsigned long long' CPU: 0 UID: 0 PID: 5109 Comm: read_btree_node Not tainted 6.11.0-syzkaller-11728-gad46e8f95e93 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 lib/ubsan.c:468 __btree_node_pinned+0x80b/0x850 fs/bcachefs/btree_cache.c:198 __bch2_btree_node_hash_insert+0xcfd/0x13e0 fs/bcachefs/btree_cache.c:270 bch2_btree_node_hash_insert fs/bcachefs/btree_cache.c:287 [inline] bch2_btree_node_fill+0x94e/0x1200 fs/bcachefs/btree_cache.c:932 bch2_btree_node_get_noiter+0x9d5/0xf70 fs/bcachefs/btree_cache.c:1238 found_btree_node_is_readable fs/bcachefs/btree_node_scan.c:85 [inline] try_read_btree_node fs/bcachefs/btree_node_scan.c:190 [inline] read_btree_nodes_worker+0x122c/0x20b0 fs/bcachefs/btree_node_scan.c:239 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> ---[ end trace ]--- Kernel panic - not syncing: UBSAN: panic_on_warn set ... CPU: 0 UID: 0 PID: 5109 Comm: read_btree_node Not tainted 6.11.0-syzkaller-11728-gad46e8f95e93 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 panic+0x349/0x880 kernel/panic.c:354 check_panic_on_warn+0x86/0xb0 kernel/panic.c:243 ubsan_epilogue lib/ubsan.c:236 [inline] __ubsan_handle_shift_out_of_bounds+0x3e7/0x420 lib/ubsan.c:468 __btree_node_pinned+0x80b/0x850 fs/bcachefs/btree_cache.c:198 __bch2_btree_node_hash_insert+0xcfd/0x13e0 fs/bcachefs/btree_cache.c:270 bch2_btree_node_hash_insert fs/bcachefs/btree_cache.c:287 [inline] bch2_btree_node_fill+0x94e/0x1200 fs/bcachefs/btree_cache.c:932 bch2_btree_node_get_noiter+0x9d5/0xf70 fs/bcachefs/btree_cache.c:1238 found_btree_node_is_readable fs/bcachefs/btree_node_scan.c:85 [inline] try_read_btree_node fs/bcachefs/btree_node_scan.c:190 [inline] read_btree_nodes_worker+0x122c/0x20b0 fs/bcachefs/btree_node_scan.c:239 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> Kernel Offset: disabled Rebooting in 86400 seconds..
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/09/28 14:33 | upstream | ad46e8f95e93 | ba29ff75 | .config | console log | report | syz / log | C | [disk image (non-bootable)] [vmlinux] [kernel image] [mounted in repro] | ci-snapshot-upstream-root | UBSAN: shift-out-of-bounds in __btree_node_pinned | |
2024/09/28 10:45 | upstream | e477dba5442c | 440b26ec | .config | console log | report | [disk image (non-bootable)] [vmlinux] [kernel image] | ci-snapshot-upstream-root | UBSAN: shift-out-of-bounds in __btree_node_pinned |