bridge28: port 1(bridge_slave_1) entered disabled state general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] CPU: 2 PID: 32260 Comm: syz-executor.3 Not tainted 5.19.0-rc6-syzkaller-00115-g4a57a8400075 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014 RIP: 0010:__seqprop_raw_spinlock_sequence include/linux/seqlock.h:274 [inline] RIP: 0010:hrtimer_active+0x6b/0x1f0 kernel/time/hrtimer.c:1611 Code: 01 f0 48 89 44 24 10 e8 a3 f6 0f 00 48 8b 44 24 08 80 38 00 0f 85 71 01 00 00 49 8b 6d 30 48 8d 45 10 48 89 04 24 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 42 01 00 00 8b 5d 10 31 ff RSP: 0018:ffffc90024056de8 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffff88806b6c0120 RCX: ffffc9000d0d1000 RDX: 0000000000040000 RSI: ffffffff816a743d RDI: ffff88806b6c0120 RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000004 R10: 0000000000000004 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88806b6c0120 R14: dffffc0000000000 R15: ffffed100d6d8002 FS: 0000000000000000(0000) GS:ffff88802ca00000(0063) knlGS:00000000f7fd0b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007f0122da18e0 CR3: 0000000075a47000 CR4: 0000000000152ee0 Call Trace: hrtimer_try_to_cancel+0x21/0x1e0 kernel/time/hrtimer.c:1328 hrtimer_cancel+0x13/0x40 kernel/time/hrtimer.c:1443 napi_disable+0xc8/0x120 net/core/dev.c:6413 veth_napi_del_range+0xc5/0x560 drivers/net/veth.c:1044 veth_napi_del drivers/net/veth.c:1059 [inline] veth_set_features+0x156/0x190 drivers/net/veth.c:1487 __netdev_update_features+0x801/0x1980 net/core/dev.c:9709 netdev_update_features net/core/dev.c:9783 [inline] dev_disable_lro+0x8d/0x3e0 net/core/dev.c:1588 br_add_if+0xc13/0x1d80 net/bridge/br_if.c:646 do_set_master+0x1c8/0x220 net/core/rtnetlink.c:2577 do_setlink+0x9e7/0x3bb0 net/core/rtnetlink.c:2787 __rtnl_newlink+0xd6a/0x17e0 net/core/rtnetlink.c:3546 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3593 rtnetlink_rcv_msg+0x43a/0xc90 net/core/rtnetlink.c:6089 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2501 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x6eb/0x810 net/socket.c:2488 ___sys_sendmsg+0xf3/0x170 net/socket.c:2542 __sys_sendmsg+0xec/0x1b0 net/socket.c:2571 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7fd5549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7fd05cc EFLAGS: 00000296 ORIG_RAX: 0000000000000172 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000020000300 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__seqprop_raw_spinlock_sequence include/linux/seqlock.h:274 [inline] RIP: 0010:hrtimer_active+0x6b/0x1f0 kernel/time/hrtimer.c:1611 Code: 01 f0 48 89 44 24 10 e8 a3 f6 0f 00 48 8b 44 24 08 80 38 00 0f 85 71 01 00 00 49 8b 6d 30 48 8d 45 10 48 89 04 24 48 c1 e8 03 <42> 0f b6 04 30 84 c0 74 08 3c 03 0f 8e 42 01 00 00 8b 5d 10 31 ff RSP: 0018:ffffc90024056de8 EFLAGS: 00010202 RAX: 0000000000000002 RBX: ffff88806b6c0120 RCX: ffffc9000d0d1000 RDX: 0000000000040000 RSI: ffffffff816a743d RDI: ffff88806b6c0120 RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000004 R10: 0000000000000004 R11: 0000000000000001 R12: 0000000000000000 R13: ffff88806b6c0120 R14: dffffc0000000000 R15: ffffed100d6d8002 FS: 0000000000000000(0000) GS:ffff88802ca00000(0063) knlGS:00000000f7fd0b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00007f0122da18e0 CR3: 0000000075a47000 CR4: 0000000000152ee0 ---------------- Code disassembly (best guess): 0: 01 f0 add %esi,%eax 2: 48 89 44 24 10 mov %rax,0x10(%rsp) 7: e8 a3 f6 0f 00 callq 0xff6af c: 48 8b 44 24 08 mov 0x8(%rsp),%rax 11: 80 38 00 cmpb $0x0,(%rax) 14: 0f 85 71 01 00 00 jne 0x18b 1a: 49 8b 6d 30 mov 0x30(%r13),%rbp 1e: 48 8d 45 10 lea 0x10(%rbp),%rax 22: 48 89 04 24 mov %rax,(%rsp) 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 0f b6 04 30 movzbl (%rax,%r14,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 74 08 je 0x3b 33: 3c 03 cmp $0x3,%al 35: 0f 8e 42 01 00 00 jle 0x17d 3b: 8b 5d 10 mov 0x10(%rbp),%ebx 3e: 31 ff xor %edi,%edi