RDX: 000000000000000e RSI: 0000000020000100 RDI: 00000000000000c8 RBP: 00007f6b12cb96cc R08: 0000000000000000 R09: 0000000000000001 R10: 00007f6b12c11087 R11: 0000000000000293 R12: 00007f6b12cec4ec R13: 00007f6b12c112f0 R14: 00007f6b12cec4e8 R15: 0000000000000001 stack segment: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3703 Comm: syz-executor273 Not tainted 5.18.0-rc6-syzkaller-00161-gbc403203d65a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:skb_clone+0xd0/0x370 net/core/skbuff.c:1512 Code: 03 42 80 3c 28 00 74 08 48 89 df e8 8a 0c b7 f9 48 83 3b 00 0f 85 3b 01 00 00 e8 bb 24 66 f9 4d 8d 77 7e 4c 89 f5 48 c1 ed 03 <42> 8a 44 2d 00 84 c0 0f 85 cf 01 00 00 41 0f b6 1e 83 e3 0c bf 04 RSP: 0018:ffffc900032df320 EFLAGS: 00010207 RAX: ffffffff881ff01a RBX: 0000000000000004 RCX: ffff8880235f3b00 RDX: 0000000000000000 RSI: 0000000000000a20 RDI: 0000000000000000 RBP: 000000000000000f R08: 0000000000000a20 R09: 00000000ffffffff R10: fffffbfff197fc8b R11: 1ffffffff197fc8a R12: ffff88814bffbd00 R13: dffffc0000000000 R14: 000000000000007e R15: 0000000000000000 FS: 00007f6b12c11700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6b12cd1364 CR3: 000000007108e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hsr_forward_skb+0xf14/0x2150 net/hsr/hsr_forward.c:623 hsr_handle_frame+0x4fd/0x6b0 net/hsr/hsr_slave.c:69 __netif_receive_skb_core+0x1448/0x3bc0 net/core/dev.c:5297 __netif_receive_skb_one_core net/core/dev.c:5403 [inline] __netif_receive_skb+0x11a/0x500 net/core/dev.c:5519 netif_receive_skb_internal+0x108/0x360 net/core/dev.c:5605 netif_receive_skb+0x19/0x30 net/core/dev.c:5664 tun_rx_batched+0x777/0x920 tun_get_user+0x1b5a/0x2540 drivers/net/tun.c:1985 tun_chr_write_iter+0x10a/0x1e0 drivers/net/tun.c:2015 call_write_iter include/linux/fs.h:2050 [inline] new_sync_write fs/read_write.c:504 [inline] vfs_write+0xa22/0xd40 fs/read_write.c:591 ksys_write+0x19b/0x2c0 fs/read_write.c:644 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f6b12c241ff Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 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 cc fd ff ff 48 RSP: 002b:00007f6b12c112c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f6b12cec4e0 RCX: 00007f6b12c241ff RDX: 000000000000000e RSI: 0000000020000100 RDI: 00000000000000c8 RBP: 00007f6b12cb96cc R08: 0000000000000000 R09: 0000000000000001 R10: 00007f6b12c11087 R11: 0000000000000293 R12: 00007f6b12cec4ec R13: 00007f6b12c112f0 R14: 00007f6b12cec4e8 R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:skb_clone+0xd0/0x370 net/core/skbuff.c:1512 Code: 03 42 80 3c 28 00 74 08 48 89 df e8 8a 0c b7 f9 48 83 3b 00 0f 85 3b 01 00 00 e8 bb 24 66 f9 4d 8d 77 7e 4c 89 f5 48 c1 ed 03 <42> 8a 44 2d 00 84 c0 0f 85 cf 01 00 00 41 0f b6 1e 83 e3 0c bf 04 RSP: 0018:ffffc900032df320 EFLAGS: 00010207 RAX: ffffffff881ff01a RBX: 0000000000000004 RCX: ffff8880235f3b00 RDX: 0000000000000000 RSI: 0000000000000a20 RDI: 0000000000000000 RBP: 000000000000000f R08: 0000000000000a20 R09: 00000000ffffffff R10: fffffbfff197fc8b R11: 1ffffffff197fc8a R12: ffff88814bffbd00 R13: dffffc0000000000 R14: 000000000000007e R15: 0000000000000000 FS: 00007f6b12c11700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6b12cd1364 CR3: 000000007108e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 03 42 80 add -0x80(%rdx),%eax 3: 3c 28 cmp $0x28,%al 5: 00 74 08 48 add %dh,0x48(%rax,%rcx,1) 9: 89 df mov %ebx,%edi b: e8 8a 0c b7 f9 callq 0xf9b70c9a 10: 48 83 3b 00 cmpq $0x0,(%rbx) 14: 0f 85 3b 01 00 00 jne 0x155 1a: e8 bb 24 66 f9 callq 0xf96624da 1f: 4d 8d 77 7e lea 0x7e(%r15),%r14 23: 4c 89 f5 mov %r14,%rbp 26: 48 c1 ed 03 shr $0x3,%rbp * 2a: 42 8a 44 2d 00 mov 0x0(%rbp,%r13,1),%al <-- trapping instruction 2f: 84 c0 test %al,%al 31: 0f 85 cf 01 00 00 jne 0x206 37: 41 0f b6 1e movzbl (%r14),%ebx 3b: 83 e3 0c and $0xc,%ebx 3e: bf .byte 0xbf 3f: 04 .byte 0x4