ci starts bisection 2023-05-24 23:08:34.248863115 +0000 UTC m=+37760.172622630
bisecting fixing commit since 4c86114194e644b6da9107d75910635c9e87179e
building syzkaller on 0de35f24a4d2da07a3436f9d227c30d15f508beb
ensuring issue is reproducible on original commit 4c86114194e644b6da9107d75910635c9e87179e

testing commit 4c86114194e644b6da9107d75910635c9e87179e gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 9473dd759149aa88e63eeea7dc8962c112ad92d9c5a458896da4e7bb8b00426c
all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit
testing current HEAD 933174ae28ba72ab8de5b35cb7c98fc211235096
testing commit 933174ae28ba72ab8de5b35cb7c98fc211235096 gcc
compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: a665b3c7503e7a75e4b4e218e6b38377d90c2622604fe28e29afef6e33af374f
all runs: crashed: UBSAN: shift-out-of-bounds in dbSplit
crash still not fixed/happens on the oldest tested release
revisions tested: 2, total time: 21m17.403438185s (build: 14m21.872294346s, test: 5m52.680034893s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Merge tag 'spi-fix-v6.4-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
crash: UBSAN: shift-out-of-bounds in dbSplit
loop0: detected capacity change from 0 to 32768
================================================================================
UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2622:11
shift exponent 109 is too large for 32-bit type 'int'
CPU: 0 PID: 5428 Comm: syz-executor.0 Not tainted 6.4.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/16/2023
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
 dbSplit.cold+0x18/0x21 fs/jfs/jfs_dmap.c:2622
 dbAllocBits+0x107/0x590 fs/jfs/jfs_dmap.c:2174
 dbAllocDmap+0x56/0xf0 fs/jfs/jfs_dmap.c:2015
 dbAllocNear fs/jfs/jfs_dmap.c:1244 [inline]
 dbAlloc+0x621/0xab0 fs/jfs/jfs_dmap.c:829
 diNewExt+0x613/0x1a90 fs/jfs/jfs_imap.c:2251
 diAllocExt fs/jfs/jfs_imap.c:1945 [inline]
 diAllocAG+0x13fc/0x2460 fs/jfs/jfs_imap.c:1662
 diAlloc+0x64d/0x1760 fs/jfs/jfs_imap.c:1583
 ialloc+0x6e/0x9f0 fs/jfs/jfs_inode.c:56
 jfs_mkdir+0x1a0/0x9c0 fs/jfs/namei.c:225
 vfs_mkdir+0x1cd/0x3f0 fs/namei.c:4115
 do_mkdirat+0x20d/0x280 fs/namei.c:4138
 __do_sys_mkdir fs/namei.c:4158 [inline]
 __se_sys_mkdir fs/namei.c:4156 [inline]
 __x64_sys_mkdir+0xd0/0x120 fs/namei.c:4156
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fddeb88a5a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fddec918168 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fddeb9abf80 RCX: 00007fddeb88a5a9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200052c0
RBP: 00007fddeb8e5580 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc2087dcdf R14: 00007fddec918300 R15: 0000000000022000
 </TASK>
================================================================================