================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:470:12 shift exponent 131072 is too large for 64-bit type 'long long' CPU: 1 PID: 275 Comm: jfsCommit Not tainted 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_shift_out_of_bounds+0x3bf/0x420 lib/ubsan.c:321 dbUpdatePMap+0xe4a/0xf50 fs/jfs/jfs_dmap.c:470 txAllocPMap+0x57b/0x6b0 fs/jfs/jfs_txnmgr.c:2454 txUpdateMap+0x7c8/0x9e0 fs/jfs/jfs_txnmgr.c:2392 txLazyCommit fs/jfs/jfs_txnmgr.c:2693 [inline] jfs_lazycommit+0x470/0xc30 fs/jfs/jfs_txnmgr.c:2761 kthread+0x3f6/0x4f0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 ================================================================================ Kernel panic - not syncing: UBSAN: panic_on_warn set ... CPU: 0 PID: 275 Comm: jfsCommit Not tainted 5.15.120-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 panic+0x318/0x84d kernel/panic.c:309 check_panic_on_warn+0x7e/0xa0 kernel/panic.c:229 ubsan_epilogue lib/ubsan.c:157 [inline] __ubsan_handle_shift_out_of_bounds+0x3de/0x420 lib/ubsan.c:321 dbUpdatePMap+0xe4a/0xf50 fs/jfs/jfs_dmap.c:470 txAllocPMap+0x57b/0x6b0 fs/jfs/jfs_txnmgr.c:2454 txUpdateMap+0x7c8/0x9e0 fs/jfs/jfs_txnmgr.c:2392 txLazyCommit fs/jfs/jfs_txnmgr.c:2693 [inline] jfs_lazycommit+0x470/0xc30 fs/jfs/jfs_txnmgr.c:2761 kthread+0x3f6/0x4f0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Kernel Offset: disabled Rebooting in 86400 seconds..