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memory leak in pppoe_sendmsg

Status: upstream: reported C repro on 2019/05/31 03:48
Subsystems: net
[Documentation on labels]
Reported-by: syzbot+6bdfd184eac7709e5cc9@syzkaller.appspotmail.com
First crash: 1586d, last: 7h14m
▶ ▼ Discussions (2)
Title Replies (including bot) Last reply
Reminder: 1 open syzbot bug in "net/ppp" subsystem 1 (1) 2019/07/24 02:52
memory leak in pppoe_sendmsg 0 (2) 2019/06/28 18:58
▶ ▼ Last patch testing requests (15)
Created Duration User Patch Repo Result
2023/10/02 02:00 14m retest repro upstream report log
2023/10/02 02:00 49m retest repro upstream report log
2023/10/02 02:00 39m retest repro upstream report log
2023/10/02 02:00 1h01m retest repro upstream report log
2023/10/02 02:00 55m retest repro upstream report log
2023/09/15 11:16 27m retest repro upstream OK log
2023/09/15 11:16 15m retest repro upstream report log
2023/09/15 11:16 17m retest repro upstream OK log
2023/09/15 11:16 17m retest repro upstream OK log
2023/09/15 11:16 16m retest repro upstream OK log
2023/02/21 14:33 8m phind.uet@gmail.com linux-next report log
2021/07/19 03:58 15m phind.uet@gmail.com upstream OK
2021/07/19 03:14 15m phind.uet@gmail.com upstream OK
2021/07/19 02:21 15m phind.uet@gmail.com upstream report log
2020/10/16 23:45 15m anant.thazhemadam@gmail.com upstream report log

Sample crash report:
executing program
executing program
BUG: memory leak
unreferenced object 0xffff888111517700 (size 224):
  comm "syz-executor163", pid 7124, jiffies 4294953296 (age 25.350s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 c4 bf 11 81 88 ff ff  ................
  backtrace:
    [<00000000b1fa11c4>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000b1fa11c4>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000b1fa11c4>] slab_alloc_node mm/slab.c:3263 [inline]
    [<00000000b1fa11c4>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3575
    [<00000000983c39d5>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197
    [<00000000bf3a3fc1>] alloc_skb include/linux/skbuff.h:1049 [inline]
    [<00000000bf3a3fc1>] sock_wmalloc+0x51/0x80 net/core/sock.c:2093
    [<00000000dd22cf8e>] pppoe_sendmsg+0xca/0x280 drivers/net/ppp/pppoe.c:864
    [<0000000033ab7c29>] sock_sendmsg_nosec net/socket.c:639 [inline]
    [<0000000033ab7c29>] sock_sendmsg+0x54/0x70 net/socket.c:659
    [<00000000b63f039e>] ____sys_sendmsg+0x123/0x300 net/socket.c:2330
    [<000000009f65fe9f>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2384
    [<00000000525af263>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2474
    [<00000000e4f0b9a5>] __do_sys_sendmmsg net/socket.c:2503 [inline]
    [<00000000e4f0b9a5>] __se_sys_sendmmsg net/socket.c:2500 [inline]
    [<00000000e4f0b9a5>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2500
    [<0000000053effb26>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000001a9f3dd3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888111560600 (size 512):
  comm "syz-executor163", pid 7124, jiffies 4294953297 (age 25.340s)
  hex dump (first 32 bytes):
    00 00 aa aa aa aa aa 0a aa aa aa aa aa 0a 88 64  ...............d
    11 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000fee4eb66>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000fee4eb66>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000fee4eb66>] slab_alloc_node mm/slab.c:3263 [inline]
    [<00000000fee4eb66>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593
    [<0000000042b2c745>] __do_kmalloc_node mm/slab.c:3615 [inline]
    [<0000000042b2c745>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3630
    [<00000000d12f71ce>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141
    [<000000007b702757>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209
    [<00000000bf3a3fc1>] alloc_skb include/linux/skbuff.h:1049 [inline]
    [<00000000bf3a3fc1>] sock_wmalloc+0x51/0x80 net/core/sock.c:2093
    [<00000000dd22cf8e>] pppoe_sendmsg+0xca/0x280 drivers/net/ppp/pppoe.c:864
    [<0000000033ab7c29>] sock_sendmsg_nosec net/socket.c:639 [inline]
    [<0000000033ab7c29>] sock_sendmsg+0x54/0x70 net/socket.c:659
    [<00000000b63f039e>] ____sys_sendmsg+0x123/0x300 net/socket.c:2330
    [<000000009f65fe9f>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2384
    [<00000000525af263>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2474
    [<00000000e4f0b9a5>] __do_sys_sendmmsg net/socket.c:2503 [inline]
    [<00000000e4f0b9a5>] __se_sys_sendmmsg net/socket.c:2500 [inline]
    [<00000000e4f0b9a5>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2500
    [<0000000053effb26>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000001a9f3dd3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888111517700 (size 224):
  comm "syz-executor163", pid 7124, jiffies 4294953296 (age 30.480s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 c4 bf 11 81 88 ff ff  ................
  backtrace:
    [<00000000b1fa11c4>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000b1fa11c4>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000b1fa11c4>] slab_alloc_node mm/slab.c:3263 [inline]
    [<00000000b1fa11c4>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3575
    [<00000000983c39d5>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197
    [<00000000bf3a3fc1>] alloc_skb include/linux/skbuff.h:1049 [inline]
    [<00000000bf3a3fc1>] sock_wmalloc+0x51/0x80 net/core/sock.c:2093
    [<00000000dd22cf8e>] pppoe_sendmsg+0xca/0x280 drivers/net/ppp/pppoe.c:864
    [<0000000033ab7c29>] sock_sendmsg_nosec net/socket.c:639 [inline]
    [<0000000033ab7c29>] sock_sendmsg+0x54/0x70 net/socket.c:659
    [<00000000b63f039e>] ____sys_sendmsg+0x123/0x300 net/socket.c:2330
    [<000000009f65fe9f>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2384
    [<00000000525af263>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2474
    [<00000000e4f0b9a5>] __do_sys_sendmmsg net/socket.c:2503 [inline]
    [<00000000e4f0b9a5>] __se_sys_sendmmsg net/socket.c:2500 [inline]
    [<00000000e4f0b9a5>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2500
    [<0000000053effb26>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000001a9f3dd3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888111560600 (size 512):
  comm "syz-executor163", pid 7124, jiffies 4294953297 (age 30.470s)
  hex dump (first 32 bytes):
    00 00 aa aa aa aa aa 0a aa aa aa aa aa 0a 88 64  ...............d
    11 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000fee4eb66>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000fee4eb66>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000fee4eb66>] slab_alloc_node mm/slab.c:3263 [inline]
    [<00000000fee4eb66>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593
    [<0000000042b2c745>] __do_kmalloc_node mm/slab.c:3615 [inline]
    [<0000000042b2c745>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3630
    [<00000000d12f71ce>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141
    [<000000007b702757>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209
    [<00000000bf3a3fc1>] alloc_skb include/linux/skbuff.h:1049 [inline]
    [<00000000bf3a3fc1>] sock_wmalloc+0x51/0x80 net/core/sock.c:2093
    [<00000000dd22cf8e>] pppoe_sendmsg+0xca/0x280 drivers/net/ppp/pppoe.c:864
    [<0000000033ab7c29>] sock_sendmsg_nosec net/socket.c:639 [inline]
    [<0000000033ab7c29>] sock_sendmsg+0x54/0x70 net/socket.c:659
    [<00000000b63f039e>] ____sys_sendmsg+0x123/0x300 net/socket.c:2330
    [<000000009f65fe9f>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2384
    [<00000000525af263>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2474
    [<00000000e4f0b9a5>] __do_sys_sendmmsg net/socket.c:2503 [inline]
    [<00000000e4f0b9a5>] __se_sys_sendmmsg net/socket.c:2500 [inline]
    [<00000000e4f0b9a5>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2500
    [<0000000053effb26>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000001a9f3dd3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888111517700 (size 224):
  comm "syz-executor163", pid 7124, jiffies 4294953296 (age 30.560s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 c4 bf 11 81 88 ff ff  ................
  backtrace:
    [<00000000b1fa11c4>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000b1fa11c4>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000b1fa11c4>] slab_alloc_node mm/slab.c:3263 [inline]
    [<00000000b1fa11c4>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3575
    [<00000000983c39d5>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197
    [<00000000bf3a3fc1>] alloc_skb include/linux/skbuff.h:1049 [inline]
    [<00000000bf3a3fc1>] sock_wmalloc+0x51/0x80 net/core/sock.c:2093
    [<00000000dd22cf8e>] pppoe_sendmsg+0xca/0x280 drivers/net/ppp/pppoe.c:864
    [<0000000033ab7c29>] sock_sendmsg_nosec net/socket.c:639 [inline]
    [<0000000033ab7c29>] sock_sendmsg+0x54/0x70 net/socket.c:659
    [<00000000b63f039e>] ____sys_sendmsg+0x123/0x300 net/socket.c:2330
    [<000000009f65fe9f>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2384
    [<00000000525af263>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2474
    [<00000000e4f0b9a5>] __do_sys_sendmmsg net/socket.c:2503 [inline]
    [<00000000e4f0b9a5>] __se_sys_sendmmsg net/socket.c:2500 [inline]
    [<00000000e4f0b9a5>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2500
    [<0000000053effb26>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000001a9f3dd3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888111560600 (size 512):
  comm "syz-executor163", pid 7124, jiffies 4294953297 (age 30.550s)
  hex dump (first 32 bytes):
    00 00 aa aa aa aa aa 0a aa aa aa aa aa 0a 88 64  ...............d
    11 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000fee4eb66>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000fee4eb66>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000fee4eb66>] slab_alloc_node mm/slab.c:3263 [inline]
    [<00000000fee4eb66>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593
    [<0000000042b2c745>] __do_kmalloc_node mm/slab.c:3615 [inline]
    [<0000000042b2c745>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3630
    [<00000000d12f71ce>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141
    [<000000007b702757>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209
    [<00000000bf3a3fc1>] alloc_skb include/linux/skbuff.h:1049 [inline]
    [<00000000bf3a3fc1>] sock_wmalloc+0x51/0x80 net/core/sock.c:2093
    [<00000000dd22cf8e>] pppoe_sendmsg+0xca/0x280 drivers/net/ppp/pppoe.c:864
    [<0000000033ab7c29>] sock_sendmsg_nosec net/socket.c:639 [inline]
    [<0000000033ab7c29>] sock_sendmsg+0x54/0x70 net/socket.c:659
    [<00000000b63f039e>] ____sys_sendmsg+0x123/0x300 net/socket.c:2330
    [<000000009f65fe9f>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2384
    [<00000000525af263>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2474
    [<00000000e4f0b9a5>] __do_sys_sendmmsg net/socket.c:2503 [inline]
    [<00000000e4f0b9a5>] __se_sys_sendmmsg net/socket.c:2500 [inline]
    [<00000000e4f0b9a5>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2500
    [<0000000053effb26>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000001a9f3dd3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888111517700 (size 224):
  comm "syz-executor163", pid 7124, jiffies 4294953296 (age 30.640s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 c4 bf 11 81 88 ff ff  ................
  backtrace:
    [<00000000b1fa11c4>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000b1fa11c4>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000b1fa11c4>] slab_alloc_node mm/slab.c:3263 [inline]
    [<00000000b1fa11c4>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3575
    [<00000000983c39d5>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197
    [<00000000bf3a3fc1>] alloc_skb include/linux/skbuff.h:1049 [inline]
    [<00000000bf3a3fc1>] sock_wmalloc+0x51/0x80 net/core/sock.c:2093
    [<00000000dd22cf8e>] pppoe_sendmsg+0xca/0x280 drivers/net/ppp/pppoe.c:864
    [<0000000033ab7c29>] sock_sendmsg_nosec net/socket.c:639 [inline]
    [<0000000033ab7c29>] sock_sendmsg+0x54/0x70 net/socket.c:659
    [<00000000b63f039e>] ____sys_sendmsg+0x123/0x300 net/socket.c:2330
    [<000000009f65fe9f>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2384
    [<00000000525af263>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2474
    [<00000000e4f0b9a5>] __do_sys_sendmmsg net/socket.c:2503 [inline]
    [<00000000e4f0b9a5>] __se_sys_sendmmsg net/socket.c:2500 [inline]
    [<00000000e4f0b9a5>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2500
    [<0000000053effb26>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000001a9f3dd3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888111560600 (size 512):
  comm "syz-executor163", pid 7124, jiffies 4294953297 (age 30.630s)
  hex dump (first 32 bytes):
    00 00 aa aa aa aa aa 0a aa aa aa aa aa 0a 88 64  ...............d
    11 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000fee4eb66>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000fee4eb66>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000fee4eb66>] slab_alloc_node mm/slab.c:3263 [inline]
    [<00000000fee4eb66>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593
    [<0000000042b2c745>] __do_kmalloc_node mm/slab.c:3615 [inline]
    [<0000000042b2c745>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3630
    [<00000000d12f71ce>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141
    [<000000007b702757>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209
    [<00000000bf3a3fc1>] alloc_skb include/linux/skbuff.h:1049 [inline]
    [<00000000bf3a3fc1>] sock_wmalloc+0x51/0x80 net/core/sock.c:2093
    [<00000000dd22cf8e>] pppoe_sendmsg+0xca/0x280 drivers/net/ppp/pppoe.c:864
    [<0000000033ab7c29>] sock_sendmsg_nosec net/socket.c:639 [inline]
    [<0000000033ab7c29>] sock_sendmsg+0x54/0x70 net/socket.c:659
    [<00000000b63f039e>] ____sys_sendmsg+0x123/0x300 net/socket.c:2330
    [<000000009f65fe9f>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2384
    [<00000000525af263>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2474
    [<00000000e4f0b9a5>] __do_sys_sendmmsg net/socket.c:2503 [inline]
    [<00000000e4f0b9a5>] __se_sys_sendmmsg net/socket.c:2500 [inline]
    [<00000000e4f0b9a5>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2500
    [<0000000053effb26>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000001a9f3dd3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888111517700 (size 224):
  comm "syz-executor163", pid 7124, jiffies 4294953296 (age 30.720s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 c4 bf 11 81 88 ff ff  ................
  backtrace:
    [<00000000b1fa11c4>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000b1fa11c4>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000b1fa11c4>] slab_alloc_node mm/slab.c:3263 [inline]
    [<00000000b1fa11c4>] kmem_cache_alloc_node+0x163/0x2f0 mm/slab.c:3575
    [<00000000983c39d5>] __alloc_skb+0x6e/0x210 net/core/skbuff.c:197
    [<00000000bf3a3fc1>] alloc_skb include/linux/skbuff.h:1049 [inline]
    [<00000000bf3a3fc1>] sock_wmalloc+0x51/0x80 net/core/sock.c:2093
    [<00000000dd22cf8e>] pppoe_sendmsg+0xca/0x280 drivers/net/ppp/pppoe.c:864
    [<0000000033ab7c29>] sock_sendmsg_nosec net/socket.c:639 [inline]
    [<0000000033ab7c29>] sock_sendmsg+0x54/0x70 net/socket.c:659
    [<00000000b63f039e>] ____sys_sendmsg+0x123/0x300 net/socket.c:2330
    [<000000009f65fe9f>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2384
    [<00000000525af263>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2474
    [<00000000e4f0b9a5>] __do_sys_sendmmsg net/socket.c:2503 [inline]
    [<00000000e4f0b9a5>] __se_sys_sendmmsg net/socket.c:2500 [inline]
    [<00000000e4f0b9a5>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2500
    [<0000000053effb26>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000001a9f3dd3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888111560600 (size 512):
  comm "syz-executor163", pid 7124, jiffies 4294953297 (age 30.710s)
  hex dump (first 32 bytes):
    00 00 aa aa aa aa aa 0a aa aa aa aa aa 0a 88 64  ...............d
    11 00 04 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000fee4eb66>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000fee4eb66>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000fee4eb66>] slab_alloc_node mm/slab.c:3263 [inline]
    [<00000000fee4eb66>] kmem_cache_alloc_node_trace+0x161/0x2f0 mm/slab.c:3593
    [<0000000042b2c745>] __do_kmalloc_node mm/slab.c:3615 [inline]
    [<0000000042b2c745>] __kmalloc_node_track_caller+0x38/0x50 mm/slab.c:3630
    [<00000000d12f71ce>] __kmalloc_reserve.isra.0+0x40/0xb0 net/core/skbuff.c:141
    [<000000007b702757>] __alloc_skb+0xa0/0x210 net/core/skbuff.c:209
    [<00000000bf3a3fc1>] alloc_skb include/linux/skbuff.h:1049 [inline]
    [<00000000bf3a3fc1>] sock_wmalloc+0x51/0x80 net/core/sock.c:2093
    [<00000000dd22cf8e>] pppoe_sendmsg+0xca/0x280 drivers/net/ppp/pppoe.c:864
    [<0000000033ab7c29>] sock_sendmsg_nosec net/socket.c:639 [inline]
    [<0000000033ab7c29>] sock_sendmsg+0x54/0x70 net/socket.c:659
    [<00000000b63f039e>] ____sys_sendmsg+0x123/0x300 net/socket.c:2330
    [<000000009f65fe9f>] ___sys_sendmsg+0x8a/0xd0 net/socket.c:2384
    [<00000000525af263>] __sys_sendmmsg+0xf4/0x270 net/socket.c:2474
    [<00000000e4f0b9a5>] __do_sys_sendmmsg net/socket.c:2503 [inline]
    [<00000000e4f0b9a5>] __se_sys_sendmmsg net/socket.c:2500 [inline]
    [<00000000e4f0b9a5>] __x64_sys_sendmmsg+0x28/0x30 net/socket.c:2500
    [<0000000053effb26>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000001a9f3dd3>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

executing program
executing program
executing program

Crashes (25):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/12/17 10:47 upstream ea200dec5128 d13d7958 .config console log report syz C ci-upstream-gce-leak
2019/11/10 17:51 upstream 00aff6836241 dc438b91 .config console log report syz C ci-upstream-gce-leak
2019/09/11 15:49 upstream 3120b9a6a3f7 a60cb4cd .config console log report syz C ci-upstream-gce-leak
2019/08/21 03:09 upstream 5f97cbe22b76 cfc9868f .config console log report syz C ci-upstream-gce-leak
2019/08/17 00:01 upstream 2d63ba3e41db 8fd428a1 .config console log report syz C ci-upstream-gce-leak
2019/06/28 18:57 upstream c84afab02c31 7509bf36 .config console log report syz C ci-upstream-gce-leak
2023/09/18 01:42 upstream e789286468a9 0b6a67ac .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-gce-leak memory leak in pppoe_sendmsg
2020/07/29 03:25 upstream 6ba1b005ffc3 cb93dc6a .config console log report syz ci-upstream-gce-leak
2019/12/07 14:49 upstream eea2d5da29e3 85f26751 .config console log report syz ci-upstream-gce-leak
2019/10/27 14:53 upstream 5a1e843c66fa 25bb509e .config console log report syz ci-upstream-gce-leak
2019/10/13 07:41 upstream 328fefadd9cf 426631dd .config console log report syz ci-upstream-gce-leak
2019/09/08 15:32 upstream b3a9964cfa69 a60cb4cd .config console log report syz ci-upstream-gce-leak
2019/07/17 19:19 upstream 0a8ad0ffa4d8 f613a7c4 .config console log report syz ci-upstream-gce-leak
2019/06/18 03:58 upstream 9e0babf2c06c 442206d7 .config console log report syz ci-upstream-gce-leak
2019/06/15 15:07 upstream 0011572c8830 442206d7 .config console log report syz ci-upstream-gce-leak
2019/06/12 00:12 upstream 01ccc3ad4413 ea2f4006 .config console log report syz ci-upstream-gce-leak
2019/06/05 16:35 upstream 788a024921c4 bfb4a51e .config console log report syz ci-upstream-gce-leak
2019/05/30 11:48 upstream bec7550cca10 d9aaf3c2 .config console log report syz ci-upstream-gce-leak
2023/02/19 21:33 upstream 925cf0457d7e bcdf85f8 .config console log report syz [disk image] [vmlinux] [kernel image] ci-upstream-gce-leak memory leak in pppoe_sendmsg
2022/09/29 02:30 upstream 49c13ed0316d e2556bc3 .config console log report syz [disk image] [vmlinux] ci-upstream-gce-leak memory leak in pppoe_sendmsg
2022/05/13 04:08 upstream 0ac824f379fb 9ad6612a .config console log report syz ci-upstream-gce-leak memory leak in pppoe_sendmsg
2019/12/23 14:49 upstream 46cf053efec6 be5c2c81 .config console log report syz ci-upstream-gce-leak
2019/12/17 12:59 upstream ea200dec5128 d13d7958 .config console log report syz ci-upstream-gce-leak
2019/11/18 17:00 upstream af42d3466bdc 1daed50a .config console log report syz ci-upstream-gce-leak
2019/11/04 09:12 upstream a99d8080aaf3 b35fad31 .config console log report syz ci-upstream-gce-leak
* Struck through repros no longer work on HEAD.