================================================================================ UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:454:12 shift exponent 1834973817 is too large for 64-bit type 'long long' CPU: 1 PID: 123 Comm: jfsCommit Not tainted 6.1.0-rc4-syzkaller-00372-gaf7a05689189 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __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 dbUpdatePMap+0xdf5/0xef0 fs/jfs/jfs_dmap.c:454 txAllocPMap+0x581/0x6c0 fs/jfs/jfs_txnmgr.c:2420 txUpdateMap+0x883/0xaa0 fs/jfs/jfs_txnmgr.c:2358 txLazyCommit fs/jfs/jfs_txnmgr.c:2659 [inline] jfs_lazycommit+0x488/0xb80 fs/jfs/jfs_txnmgr.c:2727 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 ================================================================================ Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 123 Comm: jfsCommit Not tainted 6.1.0-rc4-syzkaller-00372-gaf7a05689189 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106 panic+0x2d6/0x710 kernel/panic.c:274 ubsan_epilogue lib/ubsan.c:158 [inline] __ubsan_handle_shift_out_of_bounds+0x3af/0x3b0 lib/ubsan.c:322 dbUpdatePMap+0xdf5/0xef0 fs/jfs/jfs_dmap.c:454 txAllocPMap+0x581/0x6c0 fs/jfs/jfs_txnmgr.c:2420 txUpdateMap+0x883/0xaa0 fs/jfs/jfs_txnmgr.c:2358 txLazyCommit fs/jfs/jfs_txnmgr.c:2659 [inline] jfs_lazycommit+0x488/0xb80 fs/jfs/jfs_txnmgr.c:2727 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Kernel Offset: disabled Rebooting in 86400 seconds..