find_entry called with index = 0
find_entry called with index = 0
------------[ cut here ]------------
UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:2639:11
shift exponent 80 is too large for 32-bit type 'int'
CPU: 1 PID: 8497 Comm: syz-executor.1 Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:317
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:324
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:114
 dump_stack+0x1c/0x28 lib/dump_stack.c:123
 ubsan_epilogue lib/ubsan.c:231 [inline]
 __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:468
 dbSplit+0x1d4/0x1d8 fs/jfs/jfs_dmap.c:2639
 dbAllocBits+0x434/0x8d8 fs/jfs/jfs_dmap.c:2191
 dbAllocDmap fs/jfs/jfs_dmap.c:2032 [inline]
 dbAllocDmapLev+0x1d4/0x414 fs/jfs/jfs_dmap.c:1986
 dbAllocCtl+0x104/0x844 fs/jfs/jfs_dmap.c:1823
 dbAllocAG+0x208/0xe4c fs/jfs/jfs_dmap.c:1364
 dbAlloc+0x520/0xb68 fs/jfs/jfs_dmap.c:888
 dtSplitUp fs/jfs/jfs_dtree.c:979 [inline]
 dtInsert+0xab0/0x54f4 fs/jfs/jfs_dtree.c:868
 jfs_create+0x698/0xa04 fs/jfs/namei.c:137
 lookup_open fs/namei.c:3497 [inline]
 open_last_lookups fs/namei.c:3566 [inline]
 path_openat+0xfb4/0x2830 fs/namei.c:3796
 do_filp_open+0x1bc/0x3cc fs/namei.c:3826
 do_sys_openat2+0x124/0x1b8 fs/open.c:1406
 do_sys_open fs/open.c:1421 [inline]
 __do_sys_openat fs/open.c:1437 [inline]
 __se_sys_openat fs/open.c:1432 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1432
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
---[ end trace ]---
find_entry called with index >= next_index
find_entry called with index >= next_index
find_entry called with index >= next_index
find_entry called with index >= next_index
find_entry called with index >= next_index
read_mapping_page failed!
ERROR: (device loop1): txAbort: 

ERROR: (device loop1): remounting filesystem as read-only