ci starts bisection 2023-06-25 13:48:39.31065603 +0000 UTC m=+457584.972142446
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: 39a61430ac4ee7d5afb13706334c9010e4a2a0000bd570c520fe00e0663a3972
all runs: crashed: UBSAN: shift-out-of-bounds in dbJoin
testing current HEAD a92b7d26c743b9dc06d520f863d624e94978a1d9
testing commit a92b7d26c743b9dc06d520f863d624e94978a1d9 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 371339d14dbf506513808064cd0f30eb6ca0f959185cc735acb2715ff5b3e85a
all runs: crashed: UBSAN: shift-out-of-bounds in dbJoin
crash still not fixed/happens on the oldest tested release
revisions tested: 2, total time: 33m25.080332481s (build: 25m3.695734717s, test: 6m19.250419221s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Merge tag 'drm-fixes-2023-06-23' of git://anongit.freedesktop.org/drm/drm
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: 0 PID: 104 Comm: jfsCommit Not tainted 6.4.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
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>
================================================================================