ci2 starts bisection 2023-07-05 08:42:13.32409698 +0000 UTC m=+20842.601496984
bisecting fixing commit since ca48fc16c49388400eddd6c6614593ebf7c7726a
building syzkaller on 62df2017e3b1edd786a4c737bd4ccba2b4581d88
ensuring issue is reproducible on original commit ca48fc16c49388400eddd6c6614593ebf7c7726a

testing commit ca48fc16c49388400eddd6c6614593ebf7c7726a gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 400b501a1377cd9a794ced227fc146e75fec55c9ec1f264961d18029866a5dd8
all runs: crashed: UBSAN: shift-out-of-bounds in dbFree
testing current HEAD 0f4ac6b4c5f00f45b7a429c8a5b028a598c6400c
testing commit 0f4ac6b4c5f00f45b7a429c8a5b028a598c6400c gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: af0b6ce20c3bb7d9617d6e64bd5df42362c3fc80dbbd362ce9ca47243317f3cd
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: 1h20m5.440844365s (build: 57m44.03913657s, test: 6m54.035515191s)
crash still not fixed on HEAD or HEAD had kernel test errors
commit msg: Linux 6.1.37
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'
CPU: 1 PID: 3897 Comm: syz-executor.0 Not tainted 6.1.37-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+0x163/0x213 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_shift_out_of_bounds+0x27f/0x2b0 lib/ubsan.c:321
 dbFree+0x395/0x530 fs/jfs/jfs_dmap.c:381
 txFreeMap+0x87b/0xca0 fs/jfs/jfs_txnmgr.c:2510
 xtTruncate+0xc5d/0x3120 fs/jfs/jfs_xtree.c:2467
 jfs_free_zero_link+0x3c8/0x630 fs/jfs/namei.c:758
 jfs_evict_inode+0x27f/0x380 fs/jfs/inode.c:153
 evict+0x262/0x550 fs/inode.c:664
 __dentry_kill+0x38b/0x560 fs/dcache.c:607
 shrink_dentry_list+0x2a0/0x550 fs/dcache.c:1201
 shrink_dcache_parent+0xaf/0x390
 do_one_tree+0x1b/0xd0 fs/dcache.c:1682
 shrink_dcache_for_umount+0x63/0xe0 fs/dcache.c:1699
 generic_shutdown_super+0x5d/0x2d0 fs/super.c:473
 kill_block_super+0x75/0xc0 fs/super.c:1450
 deactivate_locked_super+0x71/0xd0 fs/super.c:332
 cleanup_mnt+0x3af/0x430 fs/namespace.c:1186
 task_work_run+0x206/0x290 kernel/task_work.c:179
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:297
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa76308d5d7
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:00007ffdeb58e848 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fa76308d5d7
RDX: 00007ffdeb58e919 RSI: 000000000000000a RDI: 00007ffdeb58e910
RBP: 00007ffdeb58e910 R08: 00000000ffffffff R09: 00007ffdeb58e6e0
R10: 00005555564a88b3 R11: 0000000000000246 R12: 00007fa7630e6cdc
R13: 00007ffdeb58f9d0 R14: 00005555564a8810 R15: 00007ffdeb58fa10
 </TASK>
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