================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2778:24 index 1621 is out of range for type 's8[1365]' (aka 'signed char[1365]') CPU: 1 PID: 109 Comm: jfsCommit Not tainted 6.7.0-rc4-syzkaller-00358-gf2e8a57ee903 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:217 [inline] __ubsan_handle_out_of_bounds+0x11c/0x150 lib/ubsan.c:348 dbJoin+0x2a6/0x2d0 fs/jfs/jfs_dmap.c:2778 dbFreeBits+0x4eb/0xda0 fs/jfs/jfs_dmap.c:2338 dbFreeDmap fs/jfs/jfs_dmap.c:2087 [inline] dbFree+0x343/0x650 fs/jfs/jfs_dmap.c:409 txFreeMap+0x798/0xd50 fs/jfs/jfs_txnmgr.c:2534 txUpdateMap+0x342/0x9e0 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x47a/0xb70 fs/jfs/jfs_txnmgr.c:2732 kthread+0x2d3/0x370 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 ================================================================================ Kernel panic - not syncing: UBSAN: panic_on_warn set ... CPU: 0 PID: 109 Comm: jfsCommit Not tainted 6.7.0-rc4-syzkaller-00358-gf2e8a57ee903 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 panic+0x349/0x850 kernel/panic.c:344 check_panic_on_warn+0x82/0xa0 kernel/panic.c:237 ubsan_epilogue lib/ubsan.c:223 [inline] __ubsan_handle_out_of_bounds+0x13c/0x150 lib/ubsan.c:348 dbJoin+0x2a6/0x2d0 fs/jfs/jfs_dmap.c:2778 dbFreeBits+0x4eb/0xda0 fs/jfs/jfs_dmap.c:2338 dbFreeDmap fs/jfs/jfs_dmap.c:2087 [inline] dbFree+0x343/0x650 fs/jfs/jfs_dmap.c:409 txFreeMap+0x798/0xd50 fs/jfs/jfs_txnmgr.c:2534 txUpdateMap+0x342/0x9e0 txLazyCommit fs/jfs/jfs_txnmgr.c:2664 [inline] jfs_lazycommit+0x47a/0xb70 fs/jfs/jfs_txnmgr.c:2732 kthread+0x2d3/0x370 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Kernel Offset: disabled Rebooting in 86400 seconds..