ci2 starts bisection 2023-05-31 07:49:57.971464673 +0000 UTC m=+12902.623817140
bisecting fixing commit since f48aeeaaa64c628519273f6007a745cf55b68d95
building syzkaller on 62df2017e3b1edd786a4c737bd4ccba2b4581d88
ensuring issue is reproducible on original commit f48aeeaaa64c628519273f6007a745cf55b68d95

testing commit f48aeeaaa64c628519273f6007a745cf55b68d95 gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 017f5febc402d10cabd5449365bbce23ae764f4f2aae94afd90ccd7a254a00a6
all runs: crashed: UBSAN: shift-out-of-bounds in dbFree
testing current HEAD 0ab06468cbd149aac0d7f216ec00452ff8c74e0b
testing commit 0ab06468cbd149aac0d7f216ec00452ff8c74e0b gcc
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 1b6714e850ff280c3ec949638a26588260c78cba7111b6989b6cd7df353a8c77
all runs: crashed: UBSAN: shift-out-of-bounds in dbFree
crash still not fixed/happens on the oldest tested release
revisions tested: 2, total time: 41m54.30704542s (build: 34m52.422512291s, test: 6m17.270697265s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Linux 5.15.114
crash: UBSAN: shift-out-of-bounds in dbFree
================================================================================
UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:381:12
shift exponent 134217736 is too large for 64-bit type 'long long int'
CPU: 1 PID: 3854 Comm: syz-executor.0 Not tainted 5.15.114-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106
 ubsan_epilogue+0x5/0x2c lib/ubsan.c:151
 __ubsan_handle_shift_out_of_bounds.cold+0x61/0xef lib/ubsan.c:321
 dbFree.cold+0x18/0x26 fs/jfs/jfs_dmap.c:381
 txFreeMap+0x24c/0xca0 fs/jfs/jfs_txnmgr.c:2544
 xtTruncate+0x15be/0x2690 fs/jfs/jfs_xtree.c:3428
 jfs_free_zero_link+0x29f/0x400 fs/jfs/namei.c:758
 jfs_evict_inode+0x370/0x420 fs/jfs/inode.c:153
 evict+0x296/0x5d0 fs/inode.c:587
 __dentry_kill+0x315/0x560 fs/dcache.c:582
 shrink_dentry_list+0xe0/0x360 fs/dcache.c:1176
 shrink_dcache_parent+0x178/0x2b0 fs/dcache.c:1627
 do_one_tree fs/dcache.c:1657 [inline]
 shrink_dcache_for_umount+0x5c/0x2e0 fs/dcache.c:1674
 generic_shutdown_super+0x5c/0x330 fs/super.c:447
 kill_block_super+0x90/0xd0 fs/super.c:1405
 deactivate_locked_super+0x7b/0x130 fs/super.c:335
 cleanup_mnt+0x324/0x4d0 fs/namespace.c:1143
 task_work_run+0xc0/0x160 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
 exit_to_user_mode_prepare+0x25d/0x260 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:301
 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fe9fbecb5d7
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 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:00007ffda7387778 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe9fbecb5d7
RDX: 00007ffda7387849 RSI: 000000000000000a RDI: 00007ffda7387840
RBP: 00007ffda7387840 R08: 00000000ffffffff R09: 00007ffda7387610
R10: 000055555609b8b3 R11: 0000000000000246 R12: 00007fe9fbf24cdc
R13: 00007ffda7388900 R14: 000055555609b810 R15: 00007ffda7388940
 </TASK>
================================================================================