ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 6 ERROR: (device loop0): jfs_readdir: JFS:Dtree error: ino = 2, bn=0, index = 7 Unable to handle kernel paging request at virtual address dfff80019a76e968 KASAN: probably user-memory-access in range [0x0000000cd3b74b40-0x0000000cd3b74b47] Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [dfff80019a76e968] address between user and kernel address ranges Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 0 UID: 0 PID: 6418 Comm: syz-executor Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : smk_of_inode security/smack/smack.h:373 [inline] pc : smack_inode_permission+0x260/0x318 security/smack/smack_lsm.c:1234 lr : smk_ad_init security/smack/smack.h:437 [inline] lr : smack_inode_permission+0x1d0/0x318 security/smack/smack_lsm.c:1232 sp : ffff8000a3a97780 x29: ffff8000a3a97850 x28: dfff800000000000 x27: fefefefefefefeff x26: dfff800000000000 x25: ffff700014752ef0 x24: 0000000000000001 x23: ffff0000d2480b08 x22: ffff0000f3d5b280 x21: 0000000000000001 x20: 0000000cd3b74b40 x19: ffff8000a3a977a0 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80008b274880 x15: 0000000000000004 x14: 1ffff00014752ef9 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700014752efd x10: 1ffff00014752efc x9 : 0000000cd3b74b28 x8 : 000000019a76e968 x7 : 0000000000000000 x6 : ffff0000d9358fe0 x5 : ffff8000a3a97af0 x4 : 0000000000000008 x3 : 0000000000000010 x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff8000a3a977a8 Call trace: smk_of_inode security/smack/smack.h:373 [inline] smack_inode_permission+0x260/0x318 security/smack/smack_lsm.c:1234 security_inode_permission+0xac/0xfc security/security.c:2216 inode_permission+0xd0/0x3b4 fs/namei.c:543 may_lookup fs/namei.c:1746 [inline] link_path_walk+0x1e4/0xc44 fs/namei.c:2352 path_lookupat+0x90/0x3d0 fs/namei.c:2565 filename_lookup+0x1d4/0x4e0 fs/namei.c:2595 user_path_at+0x50/0x74 fs/namei.c:3002 ksys_umount fs/namespace.c:2033 [inline] __do_sys_umount fs/namespace.c:2041 [inline] __se_sys_umount fs/namespace.c:2039 [inline] __arm64_sys_umount+0xf4/0x178 fs/namespace.c:2039 __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: f94002c9 b986d908 8b080134 d343fe88 (387a6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f94002c9 ldr x9, [x22] 4: b986d908 ldrsw x8, [x8, #1752] 8: 8b080134 add x20, x9, x8 c: d343fe88 lsr x8, x20, #3 * 10: 387a6908 ldrb w8, [x8, x26] <-- trapping instruction