kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 12228 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:j1939_sk_send_loop net/can/j1939/socket.c:988 [inline]
RIP: 0010:j1939_sk_sendmsg+0x6d6/0x1450 net/can/j1939/socket.c:1105
Code: e8 6f f6 f3 fa 48 8b 8d 50 ff ff ff b8 f9 06 00 00 48 81 f9 f9 06 00 00 48 0f 46 c1 48 89 85 60 ff ff ff 48 8b 85 20 ff ff ff <80> 38 00 0f 85 fa 0a 00 00 48 8b 85 40 ff ff ff 48 8b 58 48 48 8b
RSP: 0018:ffff88808bf57a18 EFLAGS: 00010297
RAX: dffffc0000000009 RBX: 00000000000001f3 RCX: 00000000000001f3
RDX: 0000000000000000 RSI: ffffffff867f3121 RDI: 0000000000000007
RBP: ffff88808bf57b30 R08: ffff888091d221c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880a71c1510 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae800000(0063) knlGS:00000000f7f33b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000816b00d CR3: 000000009818f000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 sock_sendmsg_nosec net/socket.c:637 [inline]
 sock_sendmsg+0xd7/0x130 net/socket.c:657
 ___sys_sendmsg+0x803/0x920 net/socket.c:2311
 __sys_sendmsg+0x105/0x1d0 net/socket.c:2356
 __compat_sys_sendmsg net/compat.c:642 [inline]
 __do_compat_sys_sendmsg net/compat.c:649 [inline]
 __se_compat_sys_sendmsg net/compat.c:646 [inline]
 __ia32_compat_sys_sendmsg+0x7a/0xb0 net/compat.c:646
 do_syscall_32_irqs_on arch/x86/entry/common.c:333 [inline]
 do_fast_syscall_32+0x27b/0xdb3 arch/x86/entry/common.c:404
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f58a39
Code: 00 00 00 89 d3 5b 5e 5f 5d c3 b8 80 96 98 00 eb c4 8b 04 24 c3 8b 1c 24 c3 8b 34 24 c3 8b 3c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f7f330cc EFLAGS: 00000296 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000020000140
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 5cdbeb3b1f3682c9 ]---
RIP: 0010:j1939_sk_send_loop net/can/j1939/socket.c:988 [inline]
RIP: 0010:j1939_sk_sendmsg+0x6d6/0x1450 net/can/j1939/socket.c:1105
Code: e8 6f f6 f3 fa 48 8b 8d 50 ff ff ff b8 f9 06 00 00 48 81 f9 f9 06 00 00 48 0f 46 c1 48 89 85 60 ff ff ff 48 8b 85 20 ff ff ff <80> 38 00 0f 85 fa 0a 00 00 48 8b 85 40 ff ff ff 48 8b 58 48 48 8b
RSP: 0018:ffff88808bf57a18 EFLAGS: 00010297
RAX: dffffc0000000009 RBX: 00000000000001f3 RCX: 00000000000001f3
RDX: 0000000000000000 RSI: ffffffff867f3121 RDI: 0000000000000007
RBP: ffff88808bf57b30 R08: ffff888091d221c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff8880a71c1510 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:00000000f7f33b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007ffe44e82fac CR3: 000000009818f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400