ci2 starts bisection 2023-01-25 07:54:49.481958647 +0000 UTC m=+151580.462542049
bisecting fixing commit since 62e6e5940c0c09433efa52d0fa9a11623a4704b2
building syzkaller on aea5da898f473385f3b66c94f8aa49ca9a1c9744
ensuring issue is reproducible on original commit 62e6e5940c0c09433efa52d0fa9a11623a4704b2

testing commit 62e6e5940c0c09433efa52d0fa9a11623a4704b2 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: a18a29d605f1341cb868e51985f165e3124eb114697119c4911c18fb6b0c5a4d
all runs: crashed: UBSAN: shift-out-of-bounds in dbJoin
testing current HEAD 948ef7bb70c4acaf74d87420ea3a1190862d4548
testing commit 948ef7bb70c4acaf74d87420ea3a1190862d4548 gcc
compiler: Debian clang version 13.0.1-6~deb11u1, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 08b2bcbf66788e49c0b4b10717b0c80cbd685e83955366117493b61c019a351e
run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe
run #1: crashed: UBSAN: shift-out-of-bounds in dbJoin
run #2: crashed: UBSAN: shift-out-of-bounds in dbJoin
run #3: crashed: UBSAN: shift-out-of-bounds in dbJoin
run #4: crashed: UBSAN: shift-out-of-bounds in dbJoin
run #5: crashed: UBSAN: shift-out-of-bounds in dbJoin
run #6: crashed: UBSAN: shift-out-of-bounds in dbJoin
run #7: crashed: UBSAN: shift-out-of-bounds in dbJoin
run #8: crashed: UBSAN: shift-out-of-bounds in dbJoin
run #9: crashed: UBSAN: shift-out-of-bounds in dbJoin
revisions tested: 2, total time: 36m33.511580574s (build: 27m8.058755581s, test: 6m59.749322015s)
the crash still happens on HEAD
commit msg: Merge tag 'modules-6.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux
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-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x12a/0x1c0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_shift_out_of_bounds+0x222/0x250 lib/ubsan.c:321
 dbJoin+0x24c/0x260 fs/jfs/jfs_dmap.c:2775
 dbAdjCtl+0x2ef/0x950 fs/jfs/jfs_dmap.c:2515
 dbFreeDmap fs/jfs/jfs_dmap.c:2079 [inline]
 dbFree+0x329/0x550 fs/jfs/jfs_dmap.c:394
 txFreeMap+0x88f/0xcc0 fs/jfs/jfs_txnmgr.c:2510
 xtTruncate+0xc4f/0x3230 fs/jfs/jfs_xtree.c:2467
 jfs_free_zero_link+0x36f/0x650 fs/jfs/namei.c:758
 jfs_evict_inode+0x26d/0x370 fs/jfs/inode.c:153
 evict+0x262/0x550 fs/inode.c:664
 txUpdateMap+0x6c5/0x990 fs/jfs/jfs_txnmgr.c:2362
 txLazyCommit fs/jfs/jfs_txnmgr.c:2659 [inline]
 jfs_lazycommit+0x441/0xa20 fs/jfs/jfs_txnmgr.c:2727
 kthread+0x228/0x2a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>
================================================================================