ci2 starts bisection 2023-04-16 05:46:49.513554978 +0000 UTC m=+147917.738455889
bisecting fixing commit since 0ddc84d2dd43e2c2c3f634baa05ea10abd31197e
building syzkaller on 18b586030b9a7e7f4c7208f44be8994740608841
ensuring issue is reproducible on original commit 0ddc84d2dd43e2c2c3f634baa05ea10abd31197e

testing commit 0ddc84d2dd43e2c2c3f634baa05ea10abd31197e gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 0cbc40060c769c9156c479aae9949ada3767369687ec3cd7c7a6ade57c26bd52
all runs: crashed: UBSAN: shift-out-of-bounds in dbFree
testing current HEAD 3e7bb4f2461710b70887704af7f175383251088e
testing commit 3e7bb4f2461710b70887704af7f175383251088e gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: b842bf0da7d20e3d932bf89593cd66366d18acaef636be8bb24ebf3b771313cb
all runs: crashed: UBSAN: shift-out-of-bounds in dbFree
revisions tested: 2, total time: 45m38.833729303s (build: 37m46.202274895s, test: 6m27.901138579s)
the crash still happens on HEAD
commit msg: Merge tag '6.3-rc6-smb311-client-negcontext-fix' of git://git.samba.org/sfrench/cifs-2.6
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: 5539 Comm: syz-executor.0 Not tainted 6.3.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x167/0x220 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_shift_out_of_bounds+0x283/0x2b0 lib/ubsan.c:387
 dbFree+0x399/0x540 fs/jfs/jfs_dmap.c:381
 txFreeMap+0x87f/0xca0 fs/jfs/jfs_txnmgr.c:2510
 xtTruncate+0xc61/0x3120 fs/jfs/jfs_xtree.c:2467
 jfs_free_zero_link+0x3cc/0x630 fs/jfs/namei.c:758
 jfs_evict_inode+0x283/0x380 fs/jfs/inode.c:153
 evict+0x262/0x550 fs/inode.c:665
 __dentry_kill+0x38b/0x560 fs/dcache.c:607
 shrink_dentry_list+0x2a4/0x550 fs/dcache.c:1201
 shrink_dcache_parent+0xb3/0x3a0
 do_one_tree+0x1b/0xd0 fs/dcache.c:1682
 shrink_dcache_for_umount+0x67/0xf0 fs/dcache.c:1699
 generic_shutdown_super+0x61/0x2d0 fs/super.c:472
 kill_block_super+0x79/0xc0 fs/super.c:1407
 deactivate_locked_super+0x75/0xd0 fs/super.c:331
 cleanup_mnt+0x358/0x3e0 fs/namespace.c:1177
 task_work_run+0x20a/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+0x64/0x280 kernel/entry/common.c:297
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f9b6b48d567
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:00007ffca8ee0298 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9b6b48d567
RDX: 00007ffca8ee0369 RSI: 000000000000000a RDI: 00007ffca8ee0360
RBP: 00007ffca8ee0360 R08: 00000000ffffffff R09: 00007ffca8ee0130
R10: 0000555557413873 R11: 0000000000000246 R12: 00007f9b6b4e6b74
R13: 00007ffca8ee1420 R14: 0000555557413810 R15: 00007ffca8ee1460
 </TASK>
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