ci starts bisection 2023-02-24 08:31:52.798011254 +0000 UTC m=+102437.808730641
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: f086ed74ee8573d09b5e191db3aa21ee5e5cec51540e7be94201e1cc64310b09
all runs: crashed: UBSAN: shift-out-of-bounds in dbJoin
testing current HEAD d2980d8d826554fa6981d621e569a453787472f8
testing commit d2980d8d826554fa6981d621e569a453787472f8 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 1f5a4a01bdff7d25bbdacb9ade072aa81648ae74fa0dc3fc27fc6da75924a0e8
all runs: crashed: UBSAN: shift-out-of-bounds in dbJoin
revisions tested: 2, total time: 20m58.452890917s (build: 13m45.578626785s, test: 6m21.381178319s)
the crash still happens on HEAD
commit msg: Merge tag 'mm-nonmm-stable-2023-02-20-15-29' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
crash: UBSAN: shift-out-of-bounds in dbJoin
================================================================================
UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2775:11
shift exponent 78 is too large for 32-bit type 'int'
CPU: 0 PID: 103 Comm: jfsCommit Not tainted 6.2.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
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:2775
 dbAdjCtl+0x5b6/0x830 fs/jfs/jfs_dmap.c:2515
 dbFreeDmap+0xa8/0x150 fs/jfs/jfs_dmap.c:2079
 dbFree+0x1f9/0x490 fs/jfs/jfs_dmap.c:394
 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+0x294/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
================================================================================