UBSAN: shift-out-of-bounds in dbJoin

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UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2760:11
shift exponent 78 is too large for 32-bit type 'int'
CPU: 1 PID: 119 Comm: jfsCommit Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 ubsan_epilogue+0xb/0x50 lib/ubsan.c:151
 __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187 lib/ubsan.c:322
 dbJoin.cold+0x19/0x1e fs/jfs/jfs_dmap.c:2760
 dbAdjCtl+0x703/0x900 fs/jfs/jfs_dmap.c:2500
 dbFreeDmap+0xd3/0x1a0 fs/jfs/jfs_dmap.c:2064
 dbFree+0x250/0x540 fs/jfs/jfs_dmap.c:379
 txFreeMap+0x70a/0xd70 fs/jfs/jfs_txnmgr.c:2510
 xtTruncate+0x1d2a/0x2720 fs/jfs/jfs_xtree.c:2467
 jfs_free_zero_link+0x33b/0x4a0 fs/jfs/namei.c:758
 jfs_evict_inode+0x40f/0x4a0 fs/jfs/inode.c:153
 evict+0x2ed/0x6b0 fs/inode.c:664
 iput_final fs/inode.c:1747 [inline]
 iput.part.0+0x55d/0x810 fs/inode.c:1773
 iput+0x58/0x70 fs/inode.c:1763
 txUpdateMap+0x97c/0xc50 fs/jfs/jfs_txnmgr.c:2362
 txLazyCommit fs/jfs/jfs_txnmgr.c:2659 [inline]
 jfs_lazycommit+0x5bb/0xaa0 fs/jfs/jfs_txnmgr.c:2727
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
================================================================================

Fix bisection attempts:
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro
ci2-upstream-fs	2023/03/26 21:32	upstream	0ec57cfa721f	aea5da89	.config	console log	report	syz	C
ci-upstream-kasan-gce-root	2023/02/24 08:52	upstream	d2980d8d8265	67cb024c	.config	console log	report	syz	C
ci2-upstream-fs	2023/01/25 08:31	upstream	948ef7bb70c4	aea5da89	.config	console log	report	syz	C

Fix bisection attempts:

Manager

ci2-upstream-fs

2023/03/26 21:32

upstream

ci-upstream-kasan-gce-root

2023/02/24 08:52

upstream

ci2-upstream-fs

2023/01/25 08:31

upstream

Crashes (3):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	Assets	Title
ci-upstream-kasan-gce-root	2022/10/15 13:34	upstream	55be6084c8e0	67cb024c	.config	strace log	report	syz	C	[disk image] [vmlinux] [mounted in repro]	UBSAN: shift-out-of-bounds in dbJoin
ci2-upstream-fs	2022/10/08 19:46	upstream	62e6e5940c0c	aea5da89	.config	strace log	report	syz	C	[disk image] [vmlinux] [mounted in repro]	UBSAN: shift-out-of-bounds in dbJoin
ci-upstream-linux-next-kasan-gce-root	2022/11/12 21:27	linux-next	f8f60f322f06	3ead01ad	.config	strace log	report	syz	C	[disk image] [vmlinux] [kernel image] [mounted in repro]	UBSAN: shift-out-of-bounds in dbJoin

Crashes (3):