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: 1 PID: 14955 Comm: syz-executor5 Not tainted 5.0.0-rc1-next-20190108 #7 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__read_once_size include/linux/compiler.h:197 [inline] RIP: 0010:mm_match_cgroup include/linux/memcontrol.h:474 [inline] RIP: 0010:try_charge+0x12a8/0x1d00 mm/memcontrol.c:2332 Code: c0 e8 dc bf fe ff 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 c6 04 02 00 49 8d bc 24 40 05 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 20 0a 00 00 4c 89 f2 4d 8b a4 24 40 05 00 00 48 RSP: 0000:ffff888057e56f78 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88805955ac40 RCX: 1ffff1100afcaddd RDX: 00000000000000a8 RSI: 0000000000000000 RDI: 0000000000000540 RBP: ffff888057e57180 R08: 1ffff11015ce5b8f R09: ffffed1015ce5b90 R10: ffffed1015ce5b8f R11: ffff8880ae72dc7b R12: 0000000000000000 R13: ffff888057e57158 R14: ffff888057e57118 R15: 0000000000000000 FS: 00007f2bb493f700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f73d7fc874d CR3: 00000000a0c37000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mem_cgroup_charge_skmem+0x12f/0x280 mm/memcontrol.c:6296 sk_forced_mem_schedule+0x146/0x170 net/ipv4/tcp_output.c:3073 tcp_send_fin+0x3b8/0xf30 net/ipv4/tcp_output.c:3116 tcp_close+0xed1/0x1200 net/ipv4/tcp.c:2405 inet_release+0x105/0x1f0 net/ipv4/af_inet.c:428 __sock_release+0xd3/0x250 net/socket.c:579 sock_close+0x1b/0x30 net/socket.c:1141 __fput+0x3c5/0xb10 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x1f4/0x2b0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xad9/0x2af0 kernel/exit.c:874 do_group_exit+0x177/0x430 kernel/exit.c:977 get_signal+0x8b4/0x19b0 kernel/signal.c:2517 do_signal+0x91/0x1ea0 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x2f7/0x3b0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x696/0x800 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457ec9 Code: 28 c3 e8 aa 20 00 00 eb a8 cc cc cc cc cc cc cc cc 64 48 8b 0c 25 f8 ff ff ff 48 3b 61 10 76 2e 48 83 ec 18 48 89 6c 24 10 48 <8d> 6c 24 10 48 8b 42 08 48 8b 4a 10 48 89 04 24 48 89 4c 24 08 e8 RSP: 002b:00007f2bb493ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffed RBX: 0000000000000003 RCX: 0000000000457ec9 RDX: 0000000020000080 RSI: 0000000000008918 RDI: 000000000000000c RBP: 000000000073c180 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2bb493f6d4 R13: 00000000004cb108 R14: 00000000004d5d70 R15: 00000000ffffffff Modules linked in: ---[ end trace 73001735ff19a7d6 ]--- RIP: 0010:__read_once_size include/linux/compiler.h:197 [inline] RIP: 0010:mm_match_cgroup include/linux/memcontrol.h:474 [inline] RIP: 0010:try_charge+0x12a8/0x1d00 mm/memcontrol.c:2332 Code: c0 e8 dc bf fe ff 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 c6 04 02 00 49 8d bc 24 40 05 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 20 0a 00 00 4c 89 f2 4d 8b a4 24 40 05 00 00 48 RSP: 0000:ffff888057e56f78 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88805955ac40 RCX: 1ffff1100afcaddd RDX: 00000000000000a8 RSI: 0000000000000000 RDI: 0000000000000540 RBP: ffff888057e57180 R08: 1ffff11015ce5b8f R09: ffffed1015ce5b90 R10: ffffed1015ce5b8f R11: ffff8880ae72dc7b R12: 0000000000000000 R13: ffff888057e57158 R14: ffff888057e57118 R15: 0000000000000000 FS: 00007f2bb493f700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f73d7fab813 CR3: 00000000a0c37000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400