Unable to handle kernel paging request at virtual address 0073766564746560 Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [0073766564746560] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 UID: 0 PID: 26847 Comm: syz.1.6000 Tainted: G B 6.11.0-syzkaller-08481-g88264981f208 #0 Tainted: [B]=BAD_PAGE Hardware name: linux,dummy-virt (DT) pstate: 21400009 (nzCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) pc : __pi_strlen+0x124/0x150 arch/arm64/lib/strlen.S:194 lr : audit_log_untrustedstring+0x20/0x40 kernel/audit.c:2135 sp : ffff800083683c00 x29: ffff800083683c00 x28: fdf0000006ad5b40 x27: 0000000000000000 x26: 0000000000000000 x25: 0000000000000000 x24: fdf000000768fa80 x23: 00000000fffffff3 x22: 0000000000000000 x21: ffff80008051ca88 x20: f0f0000003042540 x19: 697376656474656e x18: ffffffffffffffff x17: ffff800080027db0 x16: ffff8000804f4360 x15: ffff8000836839e0 x14: 0000000000000000 x13: fdf0000008c2481f x12: ffff800080027eb8 x11: ffff800080011558 x10: 000000000000005f x9 : 00000000001c66b6 x8 : 0101010101010101 x7 : 00000000000006c0 x6 : 000000000000005f x5 : fdf0000008c2485f x4 : 000000000000000e x3 : 0000000000000067 x2 : 0000000000000000 x1 : 6973766564746560 x0 : 697376656474656e Call trace: __pi_strlen+0x124/0x150 arch/arm64/lib/strlen.S:193 smack_log_callback+0x7c/0xc8 security/smack/smack_access.c:321 common_lsm_audit+0x5c/0x85c security/lsm_audit.c:456 smack_log+0xec/0x140 security/smack/smack_access.c:383 smk_access+0x104/0x148 security/smack/smack_access.c:199 smack_watch_key+0xe0/0xf8 security/smack/smack_lsm.c:4656 security_watch_key+0x58/0x148 security/security.c:4448 keyctl_watch_key+0xb0/0x1cc security/keys/keyctl.c:1813 __do_sys_keyctl security/keys/keyctl.c:2021 [inline] __se_sys_keyctl security/keys/keyctl.c:1874 [inline] __arm64_sys_keyctl+0x50/0x290 security/keys/keyctl.c:1874 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x48/0x110 arch/arm64/kernel/syscall.c:49 el0_svc_common.constprop.0+0x40/0xe0 arch/arm64/kernel/syscall.c:132 do_el0_svc+0x1c/0x28 arch/arm64/kernel/syscall.c:151 el0_svc+0x34/0xec arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x100/0x12c arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x19c/0x1a0 arch/arm64/kernel/entry.S:598 Code: fa4008a0 54fffde0 17ffffe6 927cec01 (a9400c22) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: fa4008a0 ccmp x5, #0x0, #0x0, eq // eq = none 4: 54fffde0 b.eq 0xffffffffffffffc0 // b.none 8: 17ffffe6 b 0xffffffffffffffa0 c: 927cec01 and x1, x0, #0xfffffffffffffff0 * 10: a9400c22 ldp x2, x3, [x1] <-- trapping instruction