kasan: CONFIG_KASAN_INLINE enabled kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 18778 Comm: syz-executor.1 Not tainted 5.0.0+ #118 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:x25_write_internal+0x1e8/0xdf0 net/x25/x25_subr.c:173 Code: 00 40 88 b5 e0 fe ff ff 0f 85 01 0b 00 00 48 8b 8b 80 04 00 00 48 ba 00 00 00 00 00 fc ff df 48 8d 79 1c 48 89 fe 48 c1 ee 03 <0f> b6 34 16 48 89 fa 83 e2 07 83 c2 03 40 38 f2 7c 09 40 84 f6 0f RSP: 0000:ffff888057c7fa08 EFLAGS: 00010207 RAX: ffff8880a8a9cd12 RBX: ffff888085622b40 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000003 RDI: 000000000000001c RBP: ffff888057c7fb40 R08: ffff8880a0678400 R09: ffffed10151539bd R10: ffffed10151539bc R11: ffff8880a8a9cde3 R12: ffff88809ada8200 R13: 1ffff1100af8ff47 R14: 0000000000000013 R15: 0000000000000013 FS: 00007fd80d01e700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020305000 CR3: 00000000a40d6000 CR4: 00000000001406e0 Call Trace: x25_release+0xd0/0x340 net/x25/af_x25.c:658 __sock_release+0xd3/0x2b0 net/socket.c:579 sock_close+0x1b/0x30 net/socket.c:1162 __fput+0x2df/0x8d0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x14a/0x1c0 kernel/task_work.c:113 get_signal+0x1961/0x1d50 kernel/signal.c:2388 do_signal+0x87/0x1940 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0x244/0x2c0 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+0x52d/0x610 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457f29 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fd80d01dc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: fffffffffffffe00 RBX: 0000000000000003 RCX: 0000000000457f29 RDX: 0000000000000012 RSI: 0000000020000000 RDI: 0000000000000009 RBP: 000000000073c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd80d01e6d4 R13: 00000000004be462 R14: 00000000004cec98 R15: 00000000ffffffff Modules linked in: general protection fault: 0000 [#2] PREEMPT SMP KASAN CPU: 0 PID: 18770 Comm: syz-executor.1 Tainted: G D 5.0.0+ #118 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:x25_write_internal+0x1e8/0xdf0 net/x25/x25_subr.c:173 Code: 00 40 88 b5 e0 fe ff ff 0f 85 01 0b 00 00 48 8b 8b 80 04 00 00 48 ba 00 00 00 00 00 fc ff df 48 8d 79 1c 48 89 fe 48 c1 ee 03 <0f> b6 34 16 48 89 fa 83 e2 07 83 c2 03 40 38 f2 7c 09 40 84 f6 0f RSP: 0018:ffff8880639f7a08 EFLAGS: 00010207 RAX: ffff8880a93ef312 RBX: ffff8880a081e8c0 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000003 RDI: 000000000000001c RBP: ffff8880639f7b40 R08: ffff88809b04a3c0 R09: ffffed101527de7d R10: ffffed101527de7c R11: ffff8880a93ef3e3 R12: ffff88808955c080 R13: 1ffff1100c73ef47 R14: 0000000000000013 R15: 0000000000000013 FS: 00007fd80d060700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1b2da35000 CR3: 00000000a40d6000 CR4: 00000000001406f0 Call Trace: x25_release+0xd0/0x340 net/x25/af_x25.c:658 __sock_release+0xd3/0x2b0 net/socket.c:579 sock_close+0x1b/0x30 net/socket.c:1162 __fput+0x2df/0x8d0 fs/file_table.c:278 ---[ end trace 4cd5e87eecd9d2c2 ]--- ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x14a/0x1c0 kernel/task_work.c:113 get_signal+0x1961/0x1d50 kernel/signal.c:2388 RIP: 0010:x25_write_internal+0x1e8/0xdf0 net/x25/x25_subr.c:173 do_signal+0x87/0x1940 arch/x86/kernel/signal.c:816 Code: 00 40 88 b5 e0 fe ff ff 0f 85 01 0b 00 00 48 8b 8b 80 04 00 00 48 ba 00 00 00 00 00 fc ff df 48 8d 79 1c 48 89 fe 48 c1 ee 03 <0f> b6 34 16 48 89 fa 83 e2 07 83 c2 03 40 38 f2 7c 09 40 84 f6 0f RSP: 0000:ffff888057c7fa08 EFLAGS: 00010207 RAX: ffff8880a8a9cd12 RBX: ffff888085622b40 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000003 RDI: 000000000000001c exit_to_usermode_loop+0x244/0x2c0 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+0x52d/0x610 arch/x86/entry/common.c:293 RBP: ffff888057c7fb40 R08: ffff8880a0678400 R09: ffffed10151539bd entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457f29 Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fd80d05fc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a R10: ffffed10151539bc R11: ffff8880a8a9cde3 R12: ffff88809ada8200 RAX: fffffffffffffe00 RBX: 0000000000000003 RCX: 0000000000457f29 RDX: 0000000000000012 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd80d0606d4 R13: 00000000004be462 R14: 00000000004cec98 R15: 00000000ffffffff Modules linked in: R13: 1ffff1100af8ff47 R14: 0000000000000013 R15: 0000000000000013 ---[ end trace 4cd5e87eecd9d2c3 ]--- FS: 00007fd80d01e700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 RIP: 0010:x25_write_internal+0x1e8/0xdf0 net/x25/x25_subr.c:173 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Code: 00 40 88 b5 e0 fe ff ff 0f 85 01 0b 00 00 48 8b 8b 80 04 00 00 48 ba 00 00 00 00 00 fc ff df 48 8d 79 1c 48 89 fe 48 c1 ee 03 <0f> b6 34 16 48 89 fa 83 e2 07 83 c2 03 40 38 f2 7c 09 40 84 f6 0f CR2: 0000000021000000 CR3: 00000000a40d6000 CR4: 00000000001406e0 RSP: 0000:ffff888057c7fa08 EFLAGS: 00010207