================================================================================
UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:454:12
shift exponent -836427008 is negative
CPU: 0 PID: 119 Comm: jfsCommit Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
ubsan_epilogue+0xb/0x50 lib/ubsan.c:151
__ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 lib/ubsan.c:322
dbUpdatePMap.cold+0x6b/0x70 fs/jfs/jfs_dmap.c:454
txFreeMap+0x4dd/0xd70 fs/jfs/jfs_txnmgr.c:2492
txUpdateMap+0x3cd/0xc50 fs/jfs/jfs_txnmgr.c:2325
txLazyCommit fs/jfs/jfs_txnmgr.c:2659 [inline]
jfs_lazycommit+0x5bb/0xaa0 fs/jfs/jfs_txnmgr.c:2727
kthread+0x2e4/0x3a0 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: 119 Comm: jfsCommit Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
panic+0x2c8/0x622 kernel/panic.c:274
ubsan_epilogue+0x4a/0x50 lib/ubsan.c:158
__ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 lib/ubsan.c:322
dbUpdatePMap.cold+0x6b/0x70 fs/jfs/jfs_dmap.c:454
txFreeMap+0x4dd/0xd70 fs/jfs/jfs_txnmgr.c:2492
txUpdateMap+0x3cd/0xc50 fs/jfs/jfs_txnmgr.c:2325
txLazyCommit fs/jfs/jfs_txnmgr.c:2659 [inline]
jfs_lazycommit+0x5bb/0xaa0 fs/jfs/jfs_txnmgr.c:2727
kthread+0x2e4/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Kernel Offset: disabled
Rebooting in 86400 seconds..