syz-executor414 uses obsolete (PF_INET,SOCK_PACKET)
Unable to handle kernel paging request at virtual address 0000000000006020
Mem abort info:
ESR = 0x0000000096000006
EC = 0x25: DABT (current EL), IL = 32 bits
SET = 0, FnV = 0
EA = 0, S1PTW = 0
FSC = 0x06: level 2 translation fault
Data abort info:
ISV = 0, ISS = 0x00000006
CM = 0, WnR = 0
user pgtable: 4k pages, 48-bit VAs, pgdp=0000000109d9e000
[0000000000006020] pgd=080000010bb80003, p4d=080000010bb80003, pud=080000010ba1f003, pmd=0000000000000000
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 3072 Comm: syz-executor414 Not tainted 6.1.0-rc7-syzkaller-33097-ge3cb714fb489 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : can_rcv_filter+0x30/0x30c net/can/af_can.c:584
lr : can_rcv_filter+0x28/0x30c net/can/af_can.c:578
sp : ffff80000f77b970
x29: ffff80000f77b970 x28: ffff0000c9f2cc80 x27: ffff80000f77bcd0
x26: 0000000000000000 x25: ffff0000c9585300 x24: 0000000000000001
x23: ffff0000c7be3680 x22: 0000000000000000 x21: 0000000000000000
x20: ffff0000c9f2c000 x19: ffff0000c9585300 x18: 0000000000000000
x17: 0000000000000000 x16: ffff80000dbe6158 x15: ffff0000c7c98000
x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c7c98000
x11: ff8080000b96c6ac x10: 0000000000000000 x9 : 0000000000006020
x8 : ffff0000c7ab2240 x7 : ffff80000b96c9a0 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : ffff0000c9585300 x0 : 0000000000000000
Call trace:
can_rcv_filter+0x30/0x30c
can_receive+0x194/0x26c net/can/af_can.c:664
canfd_rcv+0x7c/0xf8 net/can/af_can.c:703
__netif_receive_skb_one_core net/core/dev.c:5489 [inline]
__netif_receive_skb+0x70/0x14c net/core/dev.c:5603
netif_receive_skb_internal+0xb4/0x258 net/core/dev.c:5689
netif_receive_skb+0x28/0x44 net/core/dev.c:5748
tun_rx_batched+0x1e0/0x220
tun_get_user+0xf94/0x1148 drivers/net/tun.c:2004
tun_chr_write_iter+0xa4/0x144 drivers/net/tun.c:2034
call_write_iter include/linux/fs.h:2199 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x2dc/0x46c fs/read_write.c:584
ksys_write+0xb4/0x160 fs/read_write.c:637
__do_sys_write fs/read_write.c:649 [inline]
__se_sys_write fs/read_write.c:646 [inline]
__arm64_sys_write+0x24/0x34 fs/read_write.c:646
__invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
do_el0_svc+0x48/0x140 arch/arm64/kernel/syscall.c:197
el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637
el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584
Code: aa0003f6 9724e4b5 f9406e68 528c0409 (b8696ad4)
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: aa0003f6 mov x22, x0
4: 9724e4b5 bl 0xfffffffffc9392d8
8: f9406e68 ldr x8, [x19, #216]
c: 528c0409 mov w9, #0x6020 // #24608
* 10: b8696ad4 ldr w20, [x22, x9] <-- trapping instruction