hsr_slave_1: left promiscuous mode batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Removing interface: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 veth1_macvtap: left promiscuous mode veth0_macvtap: left promiscuous mode veth1_vlan: left promiscuous mode veth0_vlan: left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim1 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim1 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim1 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim1 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 bridge_slave_1: left allmulticast mode bridge_slave_1: left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state bridge_slave_0: left allmulticast mode bridge_slave_0: left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state bridge_slave_1: left allmulticast mode bridge_slave_1: left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state bridge_slave_0: left allmulticast mode bridge_slave_0: left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state bridge_slave_1: left allmulticast mode bridge_slave_1: left promiscuous mode bridge0: port 2(bridge_slave_1) entered disabled state bridge_slave_0: left allmulticast mode bridge_slave_0: left promiscuous mode bridge0: port 1(bridge_slave_0) entered disabled state bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): Released all slaves bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): Released all slaves bond0 (unregistering): (slave bond_slave_0): Releasing backup interface bond0 (unregistering): (slave bond_slave_1): Releasing backup interface bond0 (unregistering): Released all slaves Oops: general protection fault, probably for non-canonical address 0xff1ffbfd1ff5a27f: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0xf8ffffe8ffad13f8-0xf8ffffe8ffad13ff] CPU: 1 PID: 45 Comm: kworker/u32:2 Not tainted 6.10.0-rc1-syzkaller-00021-ge0cce98fe279 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Workqueue: netns cleanup_net RIP: 0010:__skb_unlink include/linux/skbuff.h:2389 [inline] RIP: 0010:__skb_dequeue include/linux/skbuff.h:2405 [inline] RIP: 0010:__skb_queue_purge_reason include/linux/skbuff.h:3259 [inline] RIP: 0010:__skb_queue_purge include/linux/skbuff.h:3265 [inline] RIP: 0010:gro_cells_destroy net/core/gro_cells.c:118 [inline] RIP: 0010:gro_cells_destroy+0x1aa/0x4d0 net/core/gro_cells.c:106 Code: ea 03 80 3c 2a 00 0f 85 6f 02 00 00 48 8d 79 08 49 8b 57 08 49 c7 07 00 00 00 00 48 89 fe 49 c7 47 08 00 00 00 00 48 c1 ee 03 <80> 3c 2e 00 0f 85 29 02 00 00 48 89 d6 48 89 51 08 48 c1 ee 03 80 RSP: 0018:ffffc900006bfa58 EFLAGS: 00010a03 RAX: 0000000000000000 RBX: ffffe8ffad13f4f8 RCX: f8ffffe8ffad13f4 RDX: ffffffe8ffad13f4 RSI: 1f1ffffd1ff5a27f RDI: f8ffffe8ffad13fc RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000008 R10: 0000000000000008 R11: 0000000000000003 R12: fffff91ff5a27ea1 R13: 0000000000000001 R14: ffffe8ffad13f508 R15: ffffe8ffad13f4f9 FS: 0000000000000000(0000) GS:ffff88802c100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558d67c1d043 CR3: 000000000d97a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ip_tunnel_dev_free+0x19/0x60 net/ipv4/ip_tunnel.c:1100 netdev_run_todo+0x775/0x1250 net/core/dev.c:10692 cleanup_net+0x591/0xbf0 net/core/net_namespace.c:636 process_one_work+0x958/0x1ad0 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x6c8/0xf70 kernel/workqueue.c:3393 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__skb_unlink include/linux/skbuff.h:2389 [inline] RIP: 0010:__skb_dequeue include/linux/skbuff.h:2405 [inline] RIP: 0010:__skb_queue_purge_reason include/linux/skbuff.h:3259 [inline] RIP: 0010:__skb_queue_purge include/linux/skbuff.h:3265 [inline] RIP: 0010:gro_cells_destroy net/core/gro_cells.c:118 [inline] RIP: 0010:gro_cells_destroy+0x1aa/0x4d0 net/core/gro_cells.c:106 Code: ea 03 80 3c 2a 00 0f 85 6f 02 00 00 48 8d 79 08 49 8b 57 08 49 c7 07 00 00 00 00 48 89 fe 49 c7 47 08 00 00 00 00 48 c1 ee 03 <80> 3c 2e 00 0f 85 29 02 00 00 48 89 d6 48 89 51 08 48 c1 ee 03 80 RSP: 0018:ffffc900006bfa58 EFLAGS: 00010a03 RAX: 0000000000000000 RBX: ffffe8ffad13f4f8 RCX: f8ffffe8ffad13f4 RDX: ffffffe8ffad13f4 RSI: 1f1ffffd1ff5a27f RDI: f8ffffe8ffad13fc RBP: dffffc0000000000 R08: 0000000000000005 R09: 0000000000000008 R10: 0000000000000008 R11: 0000000000000003 R12: fffff91ff5a27ea1 R13: 0000000000000001 R14: ffffe8ffad13f508 R15: ffffe8ffad13f4f9 FS: 0000000000000000(0000) GS:ffff88802c100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000558d67c1d043 CR3: 000000000d97a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 03 80 3c 2a 00 0f add 0xf002a3c(%rax),%eax 6: 85 6f 02 test %ebp,0x2(%rdi) 9: 00 00 add %al,(%rax) b: 48 8d 79 08 lea 0x8(%rcx),%rdi f: 49 8b 57 08 mov 0x8(%r15),%rdx 13: 49 c7 07 00 00 00 00 movq $0x0,(%r15) 1a: 48 89 fe mov %rdi,%rsi 1d: 49 c7 47 08 00 00 00 movq $0x0,0x8(%r15) 24: 00 25: 48 c1 ee 03 shr $0x3,%rsi * 29: 80 3c 2e 00 cmpb $0x0,(%rsi,%rbp,1) <-- trapping instruction 2d: 0f 85 29 02 00 00 jne 0x25c 33: 48 89 d6 mov %rdx,%rsi 36: 48 89 51 08 mov %rdx,0x8(%rcx) 3a: 48 c1 ee 03 shr $0x3,%rsi 3e: 80 .byte 0x80