Unable to handle kernel paging request at virtual address dfff800000000018 Mem abort info: ESR = 0x96000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 Data abort info: ISV = 0, ISS = 0x00000004 CM = 0, WnR = 0 [dfff800000000018] address between user and kernel address ranges Internal error: Oops: 96000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 13120 Comm: syz-executor.0 Not tainted 5.13.0-rc6-syzkaller-00078-gb1edae0d5f2e #0 Hardware name: linux,dummy-virt (DT) pstate: 10000005 (nzcV daif -PAN -UAO -TCO BTYPE=--) pc : skb_end_pointer include/linux/skbuff.h:1419 [inline] pc : skb_has_frag_list include/linux/skbuff.h:3566 [inline] pc : kcm_sendmsg+0xa9c/0x1eb4 net/kcm/kcmsock.c:1069 lr : kcm_sendmsg+0x1394/0x1eb4 net/kcm/kcmsock.c:928 sp : ffff8000192c7760 x29: ffff8000192c7760 x28: 00000000fffffe00 x27: ffff00000b214100 x26: ffff00000b2146aa x25: 0000000000000000 x24: 00000000000000c0 x23: 0000000000000018 x22: 1ffff00003258fa6 x21: ffff8000192c7d20 x20: ffff0000185164c8 x19: 0000000000000000 x18: fffffbffeff72208 x17: 1fffe00002983c0a x16: 1fffe00002983c3c x15: fffffbffeff7223c x14: 1ffff00003258e76 x13: 0000000000000001 x12: ffff700003258e95 x11: 1ffff00003258e94 x10: ffff700003258e94 x9 : 1fffe0000185847b x8 : ffff00000c2c23d8 x7 : ffff80001745a7a0 x6 : 00000000f3f3f3f3 x5 : 00000000f2f2f200 x4 : 1fffe00001858349 x3 : dfff800000000000 x2 : 1fffe000016428d5 x1 : 0000000000000000 x0 : dfff800000000000 Call trace: skb_end_pointer include/linux/skbuff.h:1419 [inline] skb_has_frag_list include/linux/skbuff.h:3566 [inline] kcm_sendmsg+0xa9c/0x1eb4 net/kcm/kcmsock.c:1069 sock_sendmsg_nosec net/socket.c:654 [inline] sock_sendmsg+0xc0/0xf4 net/socket.c:674 ____sys_sendmsg+0x548/0x6d0 net/socket.c:2350 ___sys_sendmsg+0xf4/0x170 net/socket.c:2404 __sys_sendmsg+0xbc/0x150 net/socket.c:2433 __do_sys_sendmsg net/socket.c:2442 [inline] __se_sys_sendmsg net/socket.c:2440 [inline] __arm64_sys_sendmsg+0x70/0xa0 net/socket.c:2440 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x6c/0x260 arch/arm64/kernel/syscall.c:52 el0_svc_common.constprop.0+0xc4/0x1e4 arch/arm64/kernel/syscall.c:145 do_el0_svc+0xa0/0xcc arch/arm64/kernel/syscall.c:184 el0_svc+0x24/0x3c arch/arm64/kernel/entry-common.c:408 el0_sync_handler+0x1a4/0x1b0 arch/arm64/kernel/entry-common.c:424 el0_sync+0x198/0x1c0 arch/arm64/kernel/entry.S:734 Code: 91030278 d2d00000 f2fbffe0 d343ff17 (38e06ae0) ---[ end trace 31784f89d00a9ff3 ]---