================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2849:24
index 1621 is out of range for type 's8[1365]' (aka 'signed char[1365]')
CPU: 0 PID: 240 Comm: jfsCommit Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call trace:
 dump_backtrace+0x0/0x530 arch/arm64/kernel/stacktrace.c:152
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:216
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 dump_stack+0x1c/0x58 lib/dump_stack.c:113
 ubsan_epilogue lib/ubsan.c:151 [inline]
 __ubsan_handle_out_of_bounds+0x108/0x15c lib/ubsan.c:282
 dbJoin+0x268/0x2a4 fs/jfs/jfs_dmap.c:2849
 dbFreeBits+0x458/0xc30 fs/jfs/jfs_dmap.c:2409
 dbFreeDmap fs/jfs/jfs_dmap.c:2158 [inline]
 dbFree+0x2dc/0x5d8 fs/jfs/jfs_dmap.c:409
 txFreeMap+0x668/0xb84 fs/jfs/jfs_txnmgr.c:2568
 txUpdateMap+0x2e8/0x914 fs/jfs/jfs_txnmgr.c:-1
 txLazyCommit fs/jfs/jfs_txnmgr.c:2698 [inline]
 jfs_lazycommit+0x3b0/0xa40 fs/jfs/jfs_txnmgr.c:2766
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
================================================================================
------------[ cut here ]------------
WARNING: CPU: 0 PID: 240 at fs/jfs/jfs_dmap.c:2944 dbAdjTree+0x3d8/0x4b8 fs/jfs/jfs_dmap.c:2944
Modules linked in:
CPU: 0 PID: 240 Comm: jfsCommit Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dbAdjTree+0x3d8/0x4b8 fs/jfs/jfs_dmap.c:2944
lr : dbAdjTree+0x3d8/0x4b8 fs/jfs/jfs_dmap.c:2944
sp : ffff80001f967920
x29: ffff80001f967930 x28: 0000000000000011 x27: 1fffe0001a1cea02
x26: 0000000000000656 x25: ffff0000d0e75676 x24: dfff800000000000
x23: ffff0000d0e75018 x22: 0000000000000155 x21: 0000000000000004
x20: 0000000000000001 x19: ffff0000d0e75010 x18: 0000000000000001
x17: 0000000000000000 x16: ffff800011b54788 x15: 00000000ffffffff
x14: ffff0000c6a1d1c0 x13: 0000000000000001 x12: ffff700002e3ad64
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff0000c6a1d1c0
x8 : ffff80000995a518 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001f967098 x4 : ffff800014c4fec0 x3 : 0000000000000000
x2 : 0000000000000004 x1 : 0000000000000155 x0 : 0000000000000656
Call trace:
 dbAdjTree+0x3d8/0x4b8 fs/jfs/jfs_dmap.c:2944
 dbJoin+0x1ec/0x2a4 fs/jfs/jfs_dmap.c:2912
 dbFreeBits+0x458/0xc30 fs/jfs/jfs_dmap.c:2409
 dbFreeDmap fs/jfs/jfs_dmap.c:2158 [inline]
 dbFree+0x2dc/0x5d8 fs/jfs/jfs_dmap.c:409
 txFreeMap+0x668/0xb84 fs/jfs/jfs_txnmgr.c:2568
 txUpdateMap+0x2e8/0x914 fs/jfs/jfs_txnmgr.c:-1
 txLazyCommit fs/jfs/jfs_txnmgr.c:2698 [inline]
 jfs_lazycommit+0x3b0/0xa40 fs/jfs/jfs_txnmgr.c:2766
 kthread+0x37c/0x45c kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:870
irq event stamp: 282
hardirqs last  enabled at (281): [<ffff80000832ea28>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (282): [<ffff800011b4fe3c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (268): [<ffff8000081b90b8>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (268): [<ffff8000081b90b8>] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586
softirqs last disabled at (151): [<ffff8000081b9750>] __do_softirq kernel/softirq.c:592 [inline]
softirqs last disabled at (151): [<ffff8000081b9750>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (151): [<ffff8000081b9750>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (151): [<ffff8000081b9750>] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641
---[ end trace aa156615eb54482a ]---