ci starts bisection 2022-10-17 02:12:28.003122073 +0000 UTC m=+179000.017695089 bisecting cause commit starting from fa182ea26ff09cbadb28bbcd6196209b3555eb1d building syzkaller on 67cb024cd1a3c95e311263a5c95e957f9abfd8ca ensuring issue is reproducible on original commit fa182ea26ff09cbadb28bbcd6196209b3555eb1d testing commit fa182ea26ff09cbadb28bbcd6196209b3555eb1d gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: c3f2e3fd96327ea3b2266dfc79d486de40960fe4fed2074ae5b2cf1c3871a454 all runs: crashed: general protection fault in skb_clone testing release v6.0 testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: aafd4681aff34d33ffaa8b91028ed138da00dc2a6b46204e7063edc4b3da76c3 all runs: crashed: general protection fault in skb_clone testing release v5.19 testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: a1c94de813d8fed1a8a902b024d788ee48a87d2cd32d479352842ca61d272e37 all runs: crashed: general protection fault in skb_clone testing release v5.18 testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 58a07d1076ff2b5d48b500177c9d236b41667895e03476d4b5dbc6db09fcf59f all runs: crashed: general protection fault in skb_clone testing release v5.17 testing commit f443e374ae131c168a065ea1748feac6b2e76613 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 672cd1fd54bec1d74fdfc0a87f6436a52da3d8b22721a7e9d1aae1e9f330fbee all runs: crashed: general protection fault in skb_clone testing release v5.16 testing commit df0cc57e057f18e44dac8e6c18aba47ab53202f9 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: df5ac83ee114a1a626e18c999cb101956ae22f979bf70aaf6b90587e32d26427 all runs: crashed: general protection fault in skb_clone testing release v5.15 testing commit 8bb7eca972ad531c9b149c0a51ab43a417385813 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f9f7ce65e508803292d08fabe5a177044c09144a822b888e5b4ee5b214f944c3 all runs: crashed: general protection fault in skb_clone testing release v5.14 testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 1ae83c2c765ffe7c81357606fc1b701b41ed9e06edb01e78e143cb32ff495f9e all runs: crashed: general protection fault in skb_clone testing release v5.13 testing commit 62fb9874f5da54fdb243003b386128037319b219 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d64135fd064edebb3ece367754026a6683dc7989a4dbf0df9e20cdf8f63ef1b0 all runs: crashed: general protection fault in skb_clone testing release v5.12 testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b86924fa04b6deb2809d47418bd170bf5dce1b348e61dbe2ff5a3fca849dd486 all runs: crashed: general protection fault in skb_clone testing release v5.11 testing commit f40ddce88593482919761f74910f42f4b84c004b gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 1867090579f817b9703f53f9bec85ac35dc6aa1aa032a0861ba9a406ec41f0eb all runs: OK # git bisect start 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 f40ddce88593482919761f74910f42f4b84c004b Bisecting: 6798 revisions left to test after this (roughly 13 steps) [d99676af540c2dc829999928fb81c58c80a1dce4] Merge tag 'drm-next-2021-02-19' of git://anongit.freedesktop.org/drm/drm testing commit d99676af540c2dc829999928fb81c58c80a1dce4 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: cd31c66a4ea710a887ea6485bb152334c48a8d05c76b8225fc8e456be4f486ef run #0: boot failed: WARNING in kvm_wait run #1: boot failed: WARNING in kvm_wait run #2: boot failed: WARNING in kvm_wait run #3: boot failed: WARNING in kvm_wait run #4: boot failed: WARNING in kvm_wait run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good d99676af540c2dc829999928fb81c58c80a1dce4 Bisecting: 3476 revisions left to test after this (roughly 12 steps) [69264b4a43aff7307283e2bae29e9305ab6b7d47] sparc: sparc64_defconfig: remove duplicate CONFIGs testing commit 69264b4a43aff7307283e2bae29e9305ab6b7d47 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 1c7904f9aff12cd6a810db1c787091569b62fb0f0e0a606a56a8e8a7c97c6ad0 run #0: boot failed: WARNING in kvm_wait run #1: boot failed: WARNING in kvm_wait run #2: boot failed: WARNING in kvm_wait run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good 69264b4a43aff7307283e2bae29e9305ab6b7d47 Bisecting: 1737 revisions left to test after this (roughly 11 steps) [f296bfd5cd04cbb49b8fc9585adc280ab2b58624] Merge tag 'nfs-for-5.12-2' of git://git.linux-nfs.org/projects/anna/linux-nfs testing commit f296bfd5cd04cbb49b8fc9585adc280ab2b58624 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0008563182179dee86a13806dd3ba056e0f2c250b3081d584dcaa31671193ef5 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: crashed: general protection fault in skb_clone run #2: crashed: general protection fault in skb_clone run #3: crashed: general protection fault in skb_clone run #4: crashed: general protection fault in skb_clone run #5: crashed: general protection fault in skb_clone run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad f296bfd5cd04cbb49b8fc9585adc280ab2b58624 Bisecting: 875 revisions left to test after this (roughly 10 steps) [efba6d3a7c4bb59f0750609fae0f9644d82304b6] Merge tag 'for-5.12/io_uring-2021-02-25' of git://git.kernel.dk/linux-block testing commit efba6d3a7c4bb59f0750609fae0f9644d82304b6 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: f942aa9556fc53800ce862c3a1dcfd5dfaa0e19430896ca98aa5d82e35c28df7 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: crashed: general protection fault in skb_clone run #2: crashed: general protection fault in skb_clone run #3: crashed: general protection fault in skb_clone run #4: crashed: general protection fault in skb_clone run #5: crashed: general protection fault in skb_clone run #6: crashed: general protection fault in skb_clone run #7: crashed: general protection fault in skb_clone run #8: crashed: general protection fault in skb_clone run #9: crashed: general protection fault in skb_clone # git bisect bad efba6d3a7c4bb59f0750609fae0f9644d82304b6 Bisecting: 431 revisions left to test after this (roughly 9 steps) [64427985c76fcb54c783de617edf353009499a03] lib: stackdepot: fix ignoring return value warning testing commit 64427985c76fcb54c783de617edf353009499a03 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0c0afa220e591b7c6c2f4bb4fe6582b0f7b547b49edd35a396f46a8e2b0f3b11 run #0: basic kernel testing failed: failed to copy syz-execprog to VM: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.37:./syz-execprog"] Warning: Permanently added '10.128.10.37' (ECDSA) to the list of known hosts. run #1: boot failed: WARNING in kvm_wait run #2: boot failed: WARNING in kvm_wait run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good 64427985c76fcb54c783de617edf353009499a03 Bisecting: 213 revisions left to test after this (roughly 8 steps) [1c9077cdecd027714736e70704da432ee2b946bb] Merge tag 'nfs-for-5.12-1' of git://git.linux-nfs.org/projects/anna/linux-nfs testing commit 1c9077cdecd027714736e70704da432ee2b946bb gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: dc65266e7628d8df7853389fe91a5efc1413d6174d59c15e33ce60ced06af261 run #0: crashed: general protection fault in skb_clone run #1: crashed: general protection fault in skb_clone run #2: crashed: general protection fault in skb_clone run #3: crashed: general protection fault in skb_clone run #4: boot failed: WARNING in kvm_wait run #5: boot failed: WARNING in kvm_wait run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 1c9077cdecd027714736e70704da432ee2b946bb Bisecting: 83 revisions left to test after this (roughly 7 steps) [fdce29602f865b016012eadeaec99800da916d3d] Merge tag 'drm-next-2021-02-26' of git://anongit.freedesktop.org/drm/drm testing commit fdce29602f865b016012eadeaec99800da916d3d gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 706037574b250ea760dc28ae3bbb56609909b55f134eeafee8ffee912dfcbebd run #0: crashed: general protection fault in skb_clone run #1: crashed: general protection fault in skb_clone run #2: crashed: general protection fault in skb_clone run #3: boot failed: WARNING in kvm_wait run #4: boot failed: WARNING in kvm_wait run #5: boot failed: WARNING in kvm_wait run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad fdce29602f865b016012eadeaec99800da916d3d Bisecting: 65 revisions left to test after this (roughly 6 steps) [5ad3dbab569ac39e88fae31690401895c37368b6] Merge tag 'net-5.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit 5ad3dbab569ac39e88fae31690401895c37368b6 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 309660cfcbe9b7376dd412b979f1096632e608acd842fec56f8c33ee590785e9 run #0: crashed: general protection fault in skb_clone run #1: crashed: general protection fault in skb_clone run #2: crashed: general protection fault in skb_clone run #3: crashed: general protection fault in skb_clone run #4: crashed: general protection fault in skb_clone run #5: crashed: general protection fault in skb_clone run #6: crashed: general protection fault in skb_clone run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 5ad3dbab569ac39e88fae31690401895c37368b6 Bisecting: 33 revisions left to test after this (roughly 5 steps) [2c8396de7225b25b5c76e92f993aa067b1972217] Merge branch 'r8152-minor-adjustments' testing commit 2c8396de7225b25b5c76e92f993aa067b1972217 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8aefebed58f750b8162c2cd51d2a106a0a08c8aa7f4b0473ef4907c4bdc5d63f run #0: boot failed: WARNING in kvm_wait run #1: boot failed: WARNING in kvm_wait run #2: boot failed: WARNING in kvm_wait run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good 2c8396de7225b25b5c76e92f993aa067b1972217 Bisecting: 16 revisions left to test after this (roughly 4 steps) [88eee9b7b42e69fb622ddb3ff6f37e8e4347f5b2] net: usb: qmi_wwan: support ZTE P685M modem testing commit 88eee9b7b42e69fb622ddb3ff6f37e8e4347f5b2 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 92632e9b24498ab7cdc97aa20bedbe8c85fe530a8ae5498ad56a8490d979bc2a run #0: boot failed: WARNING in kvm_wait run #1: boot failed: WARNING in kvm_wait run #2: boot failed: WARNING in kvm_wait run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good 88eee9b7b42e69fb622ddb3ff6f37e8e4347f5b2 Bisecting: 8 revisions left to test after this (roughly 3 steps) [a93dcaada2ddb58dbc72652b42548adedd646d7a] net: psample: Fix netlink skb length with tunnel info testing commit a93dcaada2ddb58dbc72652b42548adedd646d7a gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 83ec47ea7725bbe098c6e5accafa1424cbe81f73499fd5aced24a0280415ac6a run #0: basic kernel testing failed: WARNING in kvm_wait run #1: basic kernel testing failed: failed to copy test binary to VM: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.1.107:./syz-fuzzer"] Warning: Permanently added '10.128.1.107' (ECDSA) to the list of known hosts. run #2: crashed: general protection fault in skb_clone run #3: crashed: general protection fault in skb_clone run #4: boot failed: WARNING in kvm_wait run #5: boot failed: WARNING in kvm_wait run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad a93dcaada2ddb58dbc72652b42548adedd646d7a Bisecting: 3 revisions left to test after this (roughly 2 steps) [fcd4ba3bcba78a97a0f8bdb5df37bc74820f9a62] net: dsa: sja1105: Remove unneeded cast in sja1105_crc32() testing commit fcd4ba3bcba78a97a0f8bdb5df37bc74820f9a62 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 12d6f032db9a4c53702755b83d251d491230a1500aa4e8005185af0989040a89 run #0: basic kernel testing failed: failed to copy test binary to VM: timedout after 1m0s ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.15.198:./syz-fuzzer"] Warning: Permanently added '10.128.15.198' (ECDSA) to the list of known hosts. run #1: boot failed: WARNING in kvm_wait run #2: boot failed: WARNING in kvm_wait run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good fcd4ba3bcba78a97a0f8bdb5df37bc74820f9a62 Bisecting: 1 revision left to test after this (roughly 1 step) [4dc7f09b8becfa35a55430a49d95acf19f996e6b] net: broadcom: bcm4908_enet: fix RX path possible mem leak testing commit 4dc7f09b8becfa35a55430a49d95acf19f996e6b gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d0f77eb5aa2b68bbf1519ef59d8e9c6ccb79811cea28fa15266c7b2e203b300e run #0: crashed: general protection fault in skb_clone run #1: crashed: general protection fault in skb_clone run #2: crashed: general protection fault in skb_clone run #3: crashed: general protection fault in skb_clone run #4: boot failed: WARNING in kvm_wait run #5: boot failed: WARNING in kvm_wait run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 4dc7f09b8becfa35a55430a49d95acf19f996e6b Bisecting: 0 revisions left to test after this (roughly 0 steps) [f176411401127a07a9360dec14eca448eb2e9d45] net: hsr: add support for EntryForgetTime testing commit f176411401127a07a9360dec14eca448eb2e9d45 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d0f77eb5aa2b68bbf1519ef59d8e9c6ccb79811cea28fa15266c7b2e203b300e run #0: basic kernel testing failed: WARNING in kvm_wait run #1: crashed: general protection fault in skb_clone run #2: crashed: general protection fault in skb_clone run #3: crashed: general protection fault in skb_clone run #4: crashed: general protection fault in skb_clone run #5: crashed: general protection fault in skb_clone run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad f176411401127a07a9360dec14eca448eb2e9d45 f176411401127a07a9360dec14eca448eb2e9d45 is the first bad commit commit f176411401127a07a9360dec14eca448eb2e9d45 Author: Marco Wenzel Date: Wed Feb 24 10:46:49 2021 +0100 net: hsr: add support for EntryForgetTime In IEC 62439-3 EntryForgetTime is defined with a value of 400 ms. When a node does not send any frame within this time, the sequence number check for can be ignored. This solves communication issues with Cisco IE 2000 in Redbox mode. Fixes: f421436a591d ("net/hsr: Add support for the High-availability Seamless Redundancy protocol (HSRv0)") Signed-off-by: Marco Wenzel Reviewed-by: George McCollister Tested-by: George McCollister Reviewed-by: Andrew Lunn Link: https://lore.kernel.org/r/20210224094653.1440-1-marco.wenzel@a-eberle.de Signed-off-by: Jakub Kicinski net/hsr/hsr_framereg.c | 9 +++++++-- net/hsr/hsr_framereg.h | 1 + net/hsr/hsr_main.h | 1 + 3 files changed, 9 insertions(+), 2 deletions(-) culprit signature: d0f77eb5aa2b68bbf1519ef59d8e9c6ccb79811cea28fa15266c7b2e203b300e parent signature: 12d6f032db9a4c53702755b83d251d491230a1500aa4e8005185af0989040a89 revisions tested: 25, total time: 5h57m47.67716147s (build: 2h41m55.117767662s, test: 3h11m54.019214901s) first bad commit: f176411401127a07a9360dec14eca448eb2e9d45 net: hsr: add support for EntryForgetTime recipients (to): ["andrew@lunn.ch" "george.mccollister@gmail.com" "kuba@kernel.org" "marco.wenzel@a-eberle.de"] recipients (cc): [] crash: general protection fault in skb_clone Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 RSP: 002b:00007fcb6f2ac130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fcb6fc59f80 RCX: 00007fcb6faeb24f RDX: 0000000000000036 RSI: 0000000020000640 RDI: 00000000000000c8 RBP: 00007fcb6f2ac1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000036 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffc675905ff R14: 00007fcb6f2ac300 R15: 0000000000022000 general protection fault, probably for non-canonical address 0xdffffc000000000f: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000078-0x000000000000007f] CPU: 1 PID: 7485 Comm: syz-executor.0 Not tainted 5.11.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:skb_clone+0xdf/0x300 net/core/skbuff.c:1488 Code: 02 00 0f 85 fd 01 00 00 48 8b 5b 28 48 85 db 0f 85 ab 00 00 00 4c 8d 75 7e 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <0f> b6 04 02 4c 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 44 01 00 00 RSP: 0018:ffffc90009927548 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: ffff88801a7a8680 RCX: 1ffff11003307d30 RDX: 000000000000000f RSI: 0000000000000a20 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000140 R09: ffffffff8a89a753 R10: fffffbfff15134ea R11: 6637303030302052 R12: 0000000000000a20 R13: dffffc0000000000 R14: 000000000000007e R15: ffff88801983e8c0 FS: 00007fcb6f2ac700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcb6f2abff8 CR3: 0000000029cd1000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hsr_forward_do net/hsr/hsr_forward.c:419 [inline] hsr_forward_skb+0xab2/0x1640 net/hsr/hsr_forward.c:568 hsr_handle_frame+0x4a0/0x5e0 net/hsr/hsr_slave.c:70 __netif_receive_skb_core+0x6b4/0x2e60 net/core/dev.c:5260 __netif_receive_skb_one_core+0xaa/0x180 net/core/dev.c:5363 netif_receive_skb_internal net/core/dev.c:5584 [inline] netif_receive_skb+0xf5/0x650 net/core/dev.c:5643 tun_rx_batched.isra.0+0x4b5/0x7c0 drivers/net/tun.c:1449 tun_get_user+0xe59/0x2f20 drivers/net/tun.c:1896 tun_chr_write_iter+0xbd/0x1a0 drivers/net/tun.c:1926 call_write_iter include/linux/fs.h:1901 [inline] new_sync_write+0x35d/0x5f0 fs/read_write.c:518 vfs_write+0x5c3/0x870 fs/read_write.c:605 ksys_write+0xf4/0x1d0 fs/read_write.c:658 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fcb6faeb24f Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 RSP: 002b:00007fcb6f2ac130 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fcb6fc59f80 RCX: 00007fcb6faeb24f RDX: 0000000000000036 RSI: 0000000020000640 RDI: 00000000000000c8 RBP: 00007fcb6f2ac1d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000036 R11: 0000000000000293 R12: 0000000000000001 R13: 00007ffc675905ff R14: 00007fcb6f2ac300 R15: 0000000000022000 Modules linked in: ---[ end trace 574188a5320e0f5e ]--- RIP: 0010:skb_clone+0xdf/0x300 net/core/skbuff.c:1488 Code: 02 00 0f 85 fd 01 00 00 48 8b 5b 28 48 85 db 0f 85 ab 00 00 00 4c 8d 75 7e 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <0f> b6 04 02 4c 89 f2 83 e2 07 38 d0 7f 08 84 c0 0f 85 44 01 00 00 RSP: 0018:ffffc90009927548 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: ffff88801a7a8680 RCX: 1ffff11003307d30 RDX: 000000000000000f RSI: 0000000000000a20 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000140 R09: ffffffff8a89a753 R10: fffffbfff15134ea R11: 6637303030302052 R12: 0000000000000a20 R13: dffffc0000000000 R14: 000000000000007e R15: ffff88801983e8c0 FS: 00007fcb6f2ac700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcb6f2abff8 CR3: 0000000029cd1000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 54 24 18 mov %edx,0x18(%rsp) 4: 48 89 74 24 10 mov %rsi,0x10(%rsp) 9: 89 7c 24 08 mov %edi,0x8(%rsp) d: e8 99 fd ff ff callq 0xfffffdab 12: 48 8b 54 24 18 mov 0x18(%rsp),%rdx 17: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 1c: 41 89 c0 mov %eax,%r8d 1f: 8b 7c 24 08 mov 0x8(%rsp),%edi 23: b8 01 00 00 00 mov $0x1,%eax 28: 0f 05 syscall * 2a: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 31 ja 0x63 32: 44 89 c7 mov %r8d,%edi 35: 48 89 44 24 08 mov %rax,0x8(%rsp) 3a: e8 cc fd ff ff callq 0xfffffe0b 3f: 48 rex.W