kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access 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: 32438 Comm: syz-executor.2 Not tainted 5.0.0+ #117 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:ffff888096d1fa08 EFLAGS: 00010207 RAX: ffff8880951817d2 RBX: ffff88808f89e600 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000003 RDI: 000000000000001c RBP: ffff888096d1fb40 R08: ffff88806f624200 R09: ffffed1012a30315 R10: ffffed1012a30314 R11: ffff8880951818a3 R12: ffff8880a67b3ac0 R13: 1ffff11012da3f47 R14: 0000000000000013 R15: 0000000000000013 FS: 00007f8e999ba700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb9fafcb028 CR3: 000000005d300000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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:00007f8e999b9c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: fffffffffffffe00 RBX: 0000000000000003 RCX: 0000000000457f29 RDX: 0000000000000012 RSI: 0000000020000280 RDI: 0000000000000004 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8e999ba6d4 R13: 00000000004be462 R14: 00000000004cec98 R15: 00000000ffffffff Modules linked in: kobject: 'loop4' (000000000fcaf35f): kobject_uevent_env kobject: 'loop4' (000000000fcaf35f): fill_kobj_path: path = '/devices/virtual/block/loop4' ---[ end trace 87ad72f03238b4b6 ]--- general protection fault: 0000 [#2] PREEMPT SMP KASAN CPU: 1 PID: 32510 Comm: syz-executor.2 Tainted: G D 5.0.0+ #117 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:ffff88806469fa08 EFLAGS: 00010207 RAX: ffff888088024512 RBX: ffff88806a736000 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000003 RDI: 000000000000001c RBP: ffff88806469fb40 R08: ffff8880382e42c0 R09: ffffed10110048bd R10: ffffed10110048bc R11: ffff8880880245e3 R12: ffff8880a7a86bc0 R13: 1ffff1100c8d3f47 R14: 0000000000000013 R15: 0000000000000013 FS: 00007f8e99957700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff5eb814f88 CR3: 000000005d300000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 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:00007f8e99956c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: fffffffffffffe00 RBX: 0000000000000003 RCX: 0000000000457f29 RDX: 0000000000000012 RSI: 0000000020000280 RDI: 0000000000000007 RBP: 000000000073c0e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8e999576d4 R13: 00000000004be462 R14: 00000000004cec98 R15: 00000000ffffffff Modules linked in: kobject: 'loop5' (0000000091466c56): kobject_uevent_env kobject: 'loop5' (0000000091466c56): fill_kobj_path: path = '/devices/virtual/block/loop5' net_ratelimit: 11993 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:32:d3:4d:cc:f2:e3, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:32:d3:4d:cc:f2:e3, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:32:d3:4d:cc:f2:e3, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) 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 kobject: 'rx-0' (000000009f33db64): kobject_cleanup, parent 000000003a25da20 kobject: 'rx-0' (000000009f33db64): auto cleanup 'remove' event RSP: 0018:ffff888096d1fa08 EFLAGS: 00010207 kobject: 'rx-0' (000000009f33db64): kobject_uevent_env kobject: 'rx-0' (000000009f33db64): fill_kobj_path: path = '/devices/virtual/net/bcsf0/queues/rx-0' kobject: 'rx-0' (000000009f33db64): auto cleanup kobject_del kobject: 'rx-0' (000000009f33db64): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000177247fe): kobject_cleanup, parent 000000003a25da20 kobject: 'tx-0' (00000000177247fe): auto cleanup 'remove' event kobject: 'tx-0' (00000000177247fe): kobject_uevent_env RAX: ffff8880951817d2 RBX: ffff88808f89e600 RCX: 0000000000000000 ---[ end trace 87ad72f03238b4b7 ]--- 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 RDX: dffffc0000000000 RSI: 0000000000000003 RDI: 000000000000001c kobject: 'tx-0' (00000000177247fe): fill_kobj_path: path = '/devices/virtual/net/bcsf0/queues/tx-0' RBP: ffff888096d1fb40 R08: ffff88806f624200 R09: ffffed1012a30315 RSP: 0018:ffff888096d1fa08 EFLAGS: 00010207 kobject: 'tx-0' (00000000177247fe): auto cleanup kobject_del RAX: ffff8880951817d2 RBX: ffff88808f89e600 RCX: 0000000000000000 R10: ffffed1012a30314 R11: ffff8880951818a3 R12: ffff8880a67b3ac0 kobject: 'tx-0' (00000000177247fe): calling ktype release RDX: dffffc0000000000 RSI: 0000000000000003 RDI: 000000000000001c RBP: ffff888096d1fb40 R08: ffff88806f624200 R09: ffffed1012a30315 kobject: 'tx-0': free name R13: 1ffff11012da3f47 R14: 0000000000000013 R15: 0000000000000013 kobject: 'queues' (000000003a25da20): kobject_cleanup, parent (null) R10: ffffed1012a30314 R11: ffff8880951818a3 R12: ffff8880a67b3ac0 R13: 1ffff11012da3f47 R14: 0000000000000013 R15: 0000000000000013 FS: 00007f8e999ba700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 kobject: 'queues' (000000003a25da20): calling ktype release kobject: 'queues' (000000003a25da20): kset_release kobject: 'queues': free name kobject: 'bcsf0' (0000000014d9b396): kobject_uevent_env CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'bcsf0' (0000000014d9b396): fill_kobj_path: path = '/devices/virtual/net/bcsf0' FS: 00007f8e99957700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 kobject: 'ip6gre0' (00000000bd18dafa): kobject_cleanup, parent (null) kobject: 'ip6gre0' (00000000bd18dafa): auto cleanup 'remove' event CR2: 00007fab6fb8e000 CR3: 000000005d300000 CR4: 00000000001406f0 kobject: 'ip6gre0' (00000000bd18dafa): kobject_uevent_env kobject: 'bcsf0' (0000000014d9b396): kobject_cleanup, parent (null) CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'ip6gre0' (00000000bd18dafa): kobject_uevent_env: uevent_suppress caused the event to drop! CR2: ffffffffff600400 CR3: 000000005d300000 CR4: 00000000001406f0 kobject: 'bcsf0' (0000000014d9b396): calling ktype release kobject: 'bcsf0': free name kobject: 'ip6gre0' (00000000bd18dafa): calling ktype release DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'ip6gre0': free name kobject: 'ip6gre0' (0000000063d2f4a1): kobject_cleanup, parent (null) DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'ip6gre0' (0000000063d2f4a1): auto cleanup 'remove' event DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'ip6gre0' (0000000063d2f4a1): kobject_uevent_env kobject: 'loop0' (00000000afb5577a): kobject_uevent_env