Hello,
syzbot found the following crash on:
HEAD commit: 9d234505 Merge tag 'hwmon-for-v5.4-rc6' of git://git.kerne..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=10c4e4ece00000
kernel config: https://syzkaller.appspot.com/x/.config?x=9bbb8fba7651600b
dashboard link: https://syzkaller.appspot.com/bug?extid=4b73ad6fc767e576e275
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16f6dc68e00000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=124c8934e00000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+4b73ad6fc767e576e275@xxxxxxxxxxxxxxxxxxxxxxxxx
executing program
executing program
BUG: memory leak
unreferenced object 0xffff888121495640 (size 1376):
comm "syz-executor038", pid 6906, jiffies 4294945610 (age 13.070s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
2b 00 07 40 00 00 00 00 00 00 00 00 00 00 00 00 +..@............
backtrace:
[<00000000930d5c59>] kmemleak_alloc_recursive
include/linux/kmemleak.h:43 [inline]
[<00000000930d5c59>] slab_post_alloc_hook mm/slab.h:586 [inline]
[<00000000930d5c59>] slab_alloc mm/slab.c:3319 [inline]
[<00000000930d5c59>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483
[<00000000249c491d>] sk_prot_alloc+0x41/0x170 net/core/sock.c:1599
[<0000000035a03310>] sk_alloc+0x35/0x2f0 net/core/sock.c:1659
[<00000000e79e3c49>] smc_sock_alloc+0x4a/0x1a0 net/smc/af_smc.c:222
[<0000000079a84e95>] smc_create+0x6b/0x160 net/smc/af_smc.c:1979
[<00000000607f3b4e>] __sock_create+0x164/0x250 net/socket.c:1418
[<00000000fbb3e501>] sock_create net/socket.c:1469 [inline]
[<00000000fbb3e501>] __sys_socket+0x69/0x110 net/socket.c:1511
[<00000000d697ec9a>] __do_sys_socket net/socket.c:1520 [inline]
[<00000000d697ec9a>] __se_sys_socket net/socket.c:1518 [inline]
[<00000000d697ec9a>] __x64_sys_socket+0x1e/0x30 net/socket.c:1518
[<00000000dcb4ba7a>] do_syscall_64+0x73/0x1f0
arch/x86/entry/common.c:290
[<000000009386b4f0>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
---
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