BUG at fs/jfs/jfs_dmap.c:3018 assert(nb <= DBWORD)
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kernel BUG at fs/jfs/jfs_dmap.c:3018!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 8844 Comm: syz.8.835 Not tainted 6.1.118-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dbFindBits+0x1b8/0x1e4 fs/jfs/jfs_dmap.c:3018
lr : dbFindBits+0x1b8/0x1e4 fs/jfs/jfs_dmap.c:3018
sp : ffff800022bc7750
x29: ffff800022bc7750 x28: 00000000ffffffff x27: 1ffff00004578ef4
x26: dfff800000000000 x25: ffff000101eb4800 x24: 000000000000000a
x23: 0000000000000000 x22: ffff0000dcfef000 x21: 00000000ffffffff
x20: 0000000000000400 x19: 000000000000000a x18: 1fffe000367a3376
x17: ffff8000159cd000 x16: ffff800012295cec x15: ffff0001b3d19bbc
x14: 1ffff00002b3a0b0 x13: dfff800000000000 x12: 0000000000080000
x11: 000000000000c93d x10: ffff8000270e9000 x9 : 0c1cad8f46687e00
x8 : 0c1cad8f46687e00 x7 : ffff800008277348 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000aaa79cc
x2 : ffff0001b3d19cd0 x1 : 0000000100000000 x0 : 0000000000000032
Call trace:
 dbFindBits+0x1b8/0x1e4 fs/jfs/jfs_dmap.c:3018
 dbAllocDmapLev+0x194/0x414 fs/jfs/jfs_dmap.c:1985
 dbAllocCtl+0x104/0x844 fs/jfs/jfs_dmap.c:1825
 dbAllocAG+0x208/0xe4c fs/jfs/jfs_dmap.c:1364
 dbDiscardAG+0x244/0x748 fs/jfs/jfs_dmap.c:1613
 jfs_ioc_trim+0x3f4/0x5f0 fs/jfs/jfs_discard.c:105
 jfs_ioctl+0x338/0x550 fs/jfs/ioctl.c:131
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 90046d83 91250063 52817942 95956082 (d4210000) 
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