read_mapping_page failed! read_mapping_page failed! BUG at fs/jfs/jfs_dmap.c:2700 assert(leaf[leafno] == NOFREE) ------------[ cut here ]------------ kernel BUG at fs/jfs/jfs_dmap.c:2700! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 UID: 0 PID: 6540 Comm: syz.0.10 Not tainted 6.11.0-rc5-syzkaller-gdf54f4a16f82 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : dbBackSplit+0x50c/0x510 fs/jfs/jfs_dmap.c:2700 lr : dbBackSplit+0x50c/0x510 fs/jfs/jfs_dmap.c:2700 sp : ffff80009b097910 x29: ffff80009b097940 x28: dfff800000000000 x27: 0000000000000074 x26: 0000000000000000 x25: 1fffe0001a90ac1d x24: 00000000000000ff x23: 0000000000000006 x22: ffff0000d4856076 x21: 0000000000000055 x20: ffff0000d4856010 x19: ffff0000d48560ea x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008b22c470 x15: ffff700011eb116c x14: 1ffff00011eb116c x13: 0000000000000004 x12: ffffffffffffffff x11: 0000000000040000 x10: 000000000003ffff x9 : 66d0280209d6ee00 x8 : 66d0280209d6ee00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80009b097078 x4 : ffff80008f5fb200 x3 : ffff800080381c08 x2 : 0000000000000000 x1 : 0000000100000000 x0 : 000000000000003c Call trace: dbBackSplit+0x50c/0x510 fs/jfs/jfs_dmap.c:2700 dbFreeDmap fs/jfs/jfs_dmap.c:2108 [inline] dbFree+0x498/0x5b0 fs/jfs/jfs_dmap.c:409 dbDiscardAG+0x604/0x748 fs/jfs/jfs_dmap.c:1650 jfs_ioc_trim+0x3cc/0x5d8 fs/jfs/jfs_discard.c:100 jfs_ioctl+0x338/0x550 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl fs/ioctl.c:893 [inline] __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:893 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 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 Code: d004e9a3 91128063 52815182 9592231d (d4210000) ---[ end trace 0000000000000000 ]---