Oops: general protection fault, probably for non-canonical address 0xe3fffb24001155c8: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: maybe wild-memory-access in range [0x1ffff920008aae40-0x1ffff920008aae47]
CPU: 1 UID: 0 PID: 6704 Comm: syz.4.413 Not tainted 6.10.0-next-20240718-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:__cpu_map_flush+0x42/0xd0
Code: e8 13 8c d6 ff 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 ad f9 3d 00 49 8b 1e 4c 39 f3 74 77 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 8f f9 3d 00 4c 8b 23 48 8d 7b c0
RSP: 0018:ffffc90000a18bb0 EFLAGS: 00010203
RAX: 03ffff24001155c8 RBX: 1ffff920008aae44 RCX: ffff888022579e00
RDX: 0000000000000101 RSI: 0000000000000000 RDI: ffffc900045571a0
RBP: dffffc0000000000 R08: ffffffff896d3a3a R09: 1ffffffff1f5f995
R10: dffffc0000000000 R11: fffffbfff1f5f996 R12: ffffc900045571a0
R13: ffffc90004557160 R14: ffffc900045571a0 R15: dffffc0000000000
FS: 00007f4e5ac0c6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c40204c CR3: 000000001d3b8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
xdp_do_check_flushed+0x136/0x240 net/core/filter.c:4304
__napi_poll+0xe4/0x490 net/core/dev.c:6774
napi_poll net/core/dev.c:6840 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:6962
handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
do_softirq+0x11b/0x1e0 kernel/softirq.c:455
__local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382
tun_rx_batched+0x732/0x8f0
tun_get_user+0x2f84/0x4720 drivers/net/tun.c:2006
tun_chr_write_iter+0x113/0x1f0 drivers/net/tun.c:2052
new_sync_write fs/read_write.c:497 [inline]
vfs_write+0xa72/0xc90 fs/read_write.c:590
ksys_write+0x1a0/0x2c0 fs/read_write.c:643
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4e59d746df
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 29 8c 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 7c 8c 02 00 48
RSP: 002b:00007f4e5ac0c010 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4e59f05f60 RCX: 00007f4e59d746df
RDX: 0000000000000036 RSI: 0000000020000240 RDI: 00000000000000c8
RBP: 00007f4e59de4e5d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000036 R11: 0000000000000293 R12: 0000000000000000
R13: 000000000000000b R14: 00007f4e59f05f60 R15: 00007ffe7d7135a8
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__cpu_map_flush+0x42/0xd0
Code: e8 13 8c d6 ff 4c 89 f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 ad f9 3d 00 49 8b 1e 4c 39 f3 74 77 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 8f f9 3d 00 4c 8b 23 48 8d 7b c0
RSP: 0018:ffffc90000a18bb0 EFLAGS: 00010203
RAX: 03ffff24001155c8 RBX: 1ffff920008aae44 RCX: ffff888022579e00
RDX: 0000000000000101 RSI: 0000000000000000 RDI: ffffc900045571a0
RBP: dffffc0000000000 R08: ffffffff896d3a3a R09: 1ffffffff1f5f995
R10: dffffc0000000000 R11: fffffbfff1f5f996 R12: ffffc900045571a0
R13: ffffc90004557160 R14: ffffc900045571a0 R15: dffffc0000000000
FS: 00007f4e5ac0c6c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c40204c CR3: 000000001d3b8000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: e8 13 8c d6 ff call 0xffd68c18
5: 4c 89 f0 mov %r14,%rax
8: 48 c1 e8 03 shr $0x3,%rax
c: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
11: 74 08 je 0x1b
13: 4c 89 f7 mov %r14,%rdi
16: e8 ad f9 3d 00 call 0x3df9c8
1b: 49 8b 1e mov (%r14),%rbx
1e: 4c 39 f3 cmp %r14,%rbx
21: 74 77 je 0x9a
23: 48 89 d8 mov %rbx,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 48 89 df mov %rbx,%rdi
34: e8 8f f9 3d 00 call 0x3df9c8
39: 4c 8b 23 mov (%rbx),%r12
3c: 48 8d 7b c0 lea -0x40(%rbx),%rdi