ci starts bisection 2023-04-25 21:57:43.020193382 +0000 UTC m=+33086.626525234
bisecting fixing commit since 55be6084c8e0e0ada9278c2ab60b7a584378efda
building syzkaller on 67cb024cd1a3c95e311263a5c95e957f9abfd8ca
ensuring issue is reproducible on original commit 55be6084c8e0e0ada9278c2ab60b7a584378efda

testing commit 55be6084c8e0e0ada9278c2ab60b7a584378efda gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 87b49023e40fa2742b6854adf783ad8b5d5b6c6343e96e0f95814332b2a4286c
all runs: crashed: UBSAN: shift-out-of-bounds in dbJoin
testing current HEAD 736b378b29d89c8c3567fa4b2e948be5568aebb8
testing commit 736b378b29d89c8c3567fa4b2e948be5568aebb8 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f1b072944134a08a490e35cb392a15a678c971cf50b553ab8e5b078bbbae73fe
all runs: crashed: UBSAN: shift-out-of-bounds in dbJoin
revisions tested: 2, total time: 32m33.168120989s (build: 20m55.599545404s, test: 10m49.070903457s)
the crash still happens on HEAD
commit msg: Merge tag 'slab-for-6.4' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
crash: UBSAN: shift-out-of-bounds in dbJoin
================================================================================
UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2776:11
shift exponent 78 is too large for 32-bit type 'int'
CPU: 1 PID: 103 Comm: jfsCommit Not tainted 6.3.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x8a/0xa0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_shift_out_of_bounds+0x156/0x2f0 lib/ubsan.c:387
 dbJoin.cold+0x18/0x21 fs/jfs/jfs_dmap.c:2776
 dbAdjCtl+0x5b6/0x830 fs/jfs/jfs_dmap.c:2516
 dbFreeDmap+0xa8/0x150 fs/jfs/jfs_dmap.c:2080
 dbFree+0x1f9/0x490 fs/jfs/jfs_dmap.c:395
 txFreeMap+0x283/0xc30 fs/jfs/jfs_txnmgr.c:2510
 xtTruncate+0x15c5/0x26e0 fs/jfs/jfs_xtree.c:2467
 jfs_free_zero_link+0x2b3/0x410 fs/jfs/namei.c:758
 jfs_evict_inode+0x384/0x430 fs/jfs/inode.c:153
 evict+0x296/0x5d0 fs/inode.c:665
 txUpdateMap+0x847/0xa50 fs/jfs/jfs_txnmgr.c:2362
 txLazyCommit fs/jfs/jfs_txnmgr.c:2659 [inline]
 jfs_lazycommit+0x4d7/0x940 fs/jfs/jfs_txnmgr.c:2727
 kthread+0x2e6/0x3c0 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
================================================================================