bisecting cause commit starting from e0491b11c131b2040b552dc71f04d4a0b12b4139 building syzkaller on 02dddea803b3dcfa0e472bb94d3e540e8f1b457b testing commit e0491b11c131b2040b552dc71f04d4a0b12b4139 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 36f9c95360469855c4e057aab028423a389458b29bbcdb6b5f5c86a4dfa71d60 all runs: crashed: WARNING in ipgre_xmit testing release v5.18 testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 1e51874d751819b18a6e966026effcc3c47d752caaca14dc5b7b59ee037a7e73 all runs: OK # git bisect start e0491b11c131b2040b552dc71f04d4a0b12b4139 4b0986a3613c92f4ec1bdc7f60ec66fea135991f Bisecting: 2413 revisions left to test after this (roughly 11 steps) [bd1b7c1384ec15294ee45bf3add7b7036e146dad] Merge tag 'for-5.19-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux testing commit bd1b7c1384ec15294ee45bf3add7b7036e146dad compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e1fa6af7dd7dfb9ac8ba7053bb1198839b594c9e43f1300200cce2ba26a92d05 all runs: OK # git bisect good bd1b7c1384ec15294ee45bf3add7b7036e146dad Bisecting: 1206 revisions left to test after this (roughly 10 steps) [e92695e506d663bc4868ffc5bc187488a4f4d5c8] net: vxlan: Add extack support to vxlan_fdb_delete testing commit e92695e506d663bc4868ffc5bc187488a4f4d5c8 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 6f36fce1e1cb31f81c44aa446076f89e0099eeabc211e073d084f84450a76e98 all runs: OK # git bisect good e92695e506d663bc4868ffc5bc187488a4f4d5c8 Bisecting: 609 revisions left to test after this (roughly 9 steps) [8f445a3ec3fd36feb90c5b2ef8d21e2492819cdc] can: ctucanfd: platform: add missing dependency to HAS_IOMEM testing commit 8f445a3ec3fd36feb90c5b2ef8d21e2492819cdc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 4e7380ae74dec45f304f59bf942c032d96ac53a4feb63a082b86a96a1b91f700 all runs: crashed: WARNING in ipgre_xmit # git bisect bad 8f445a3ec3fd36feb90c5b2ef8d21e2492819cdc Bisecting: 298 revisions left to test after this (roughly 8 steps) [9fd914bb05c24a779bba7b53d89516016c30dfbe] arm64: dts: armada-3720-turris-mox: Correct reg property for mdio devices testing commit 9fd914bb05c24a779bba7b53d89516016c30dfbe compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: d5299d0342acfe84b3659eb20966f8cede1e5b1fbfd5031f2cdaf5625710f2d1 all runs: crashed: WARNING in ipgre_xmit # git bisect bad 9fd914bb05c24a779bba7b53d89516016c30dfbe Bisecting: 148 revisions left to test after this (roughly 7 steps) [11862689e8f117e4702f55000790d7bce6859e84] bnxt_en: Configure ptp filters during bnxt open testing commit 11862689e8f117e4702f55000790d7bce6859e84 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e43e399d14cf2fbb1f955ad10a7da78ba10ece2028d66d447028711c40f17510 all runs: crashed: WARNING in ipgre_xmit # git bisect bad 11862689e8f117e4702f55000790d7bce6859e84 Bisecting: 72 revisions left to test after this (roughly 6 steps) [dc3a2001f61611347c057fea422c382b9ce3cfcb] Merge tag 'mlx5-updates-2022-05-09' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux testing commit dc3a2001f61611347c057fea422c382b9ce3cfcb compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0f19fdf634a45167b3924b17fda0c7627f0cc2963e8a7f186629d45d1a82eafd all runs: OK # git bisect good dc3a2001f61611347c057fea422c382b9ce3cfcb Bisecting: 36 revisions left to test after this (roughly 5 steps) [72c3b0c7359a6f91dd03e08b839adccd9d4268a8] net: dsa: felix: manage host flooding using a specific driver callback testing commit 72c3b0c7359a6f91dd03e08b839adccd9d4268a8 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8c261d24e6cf3662ce2143627ff2e21b60a434125859a49ef0a546a30901c785 run #0: crashed: WARNING in ipgre_xmit run #1: crashed: WARNING in ipgre_xmit run #2: crashed: WARNING in ipgre_xmit run #3: crashed: WARNING in ipgre_xmit run #4: crashed: WARNING in ipgre_xmit run #5: crashed: WARNING in ipgre_xmit run #6: crashed: WARNING in ipgre_xmit run #7: crashed: WARNING in ipgre_xmit run #8: crashed: WARNING in ipgre_xmit run #9: boot failed: can't ssh into the instance # git bisect bad 72c3b0c7359a6f91dd03e08b839adccd9d4268a8 Bisecting: 17 revisions left to test after this (roughly 4 steps) [32bf8e1f6fb9f6dc334b2b98dffc2e5dcd51e513] net: enetc: manage ENETC_F_QBV in priv->active_offloads only when enabled testing commit 32bf8e1f6fb9f6dc334b2b98dffc2e5dcd51e513 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b6b5155a7ef7c947936fc2f70ff6e3824ec2c32d7d730586c5411025ea1a912a all runs: crashed: WARNING in ipgre_xmit # git bisect bad 32bf8e1f6fb9f6dc334b2b98dffc2e5dcd51e513 Bisecting: 9 revisions left to test after this (roughly 3 steps) [01f4685797a5723b0046da03c30185ac9ff42b30] eth: amd: remove NI6510 support (ni65) testing commit 01f4685797a5723b0046da03c30185ac9ff42b30 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 8e2d961fe523803fbbf70c179fc3a9a1c85c7612a03f05cf05be0310c37dffdb run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM run #1: crashed: WARNING in ipgre_xmit run #2: crashed: WARNING in ipgre_xmit run #3: crashed: WARNING in ipgre_xmit run #4: crashed: WARNING in ipgre_xmit run #5: crashed: WARNING in ipgre_xmit run #6: crashed: WARNING in ipgre_xmit run #7: crashed: WARNING in ipgre_xmit run #8: crashed: WARNING in ipgre_xmit run #9: crashed: WARNING in ipgre_xmit # git bisect bad 01f4685797a5723b0046da03c30185ac9ff42b30 Bisecting: 3 revisions left to test after this (roughly 2 steps) [d7ea0d9df2a6265b2b180d17ebc64b38105968fc] net: remove two BUG() from skb_checksum_help() testing commit d7ea0d9df2a6265b2b180d17ebc64b38105968fc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: bfc9fb440a93993032d39176929da1a8c325ee0770b6659d1f35c837e1f634b6 all runs: crashed: WARNING in ipgre_xmit # git bisect bad d7ea0d9df2a6265b2b180d17ebc64b38105968fc Bisecting: 1 revision left to test after this (roughly 1 step) [d268c1f5cfc92eb5bb605f7365769aacd93be234] net: add CONFIG_DEBUG_NET testing commit d268c1f5cfc92eb5bb605f7365769aacd93be234 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e6e18ef00cbb5f00b907c3dabe63e61061d7b67835e63afb899d3b9b1e3056c4 all runs: OK # git bisect good d268c1f5cfc92eb5bb605f7365769aacd93be234 Bisecting: 0 revisions left to test after this (roughly 0 steps) [66e4c8d950083df8e12981babca788e1635c92b6] net: warn if transport header was not set testing commit 66e4c8d950083df8e12981babca788e1635c92b6 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e5b8fb8e6765d2afdc8264b454c5173429cbcc6fbe89650b9e3d68e4c66200aa all runs: crashed: WARNING in ipgre_xmit # git bisect bad 66e4c8d950083df8e12981babca788e1635c92b6 66e4c8d950083df8e12981babca788e1635c92b6 is the first bad commit commit 66e4c8d950083df8e12981babca788e1635c92b6 Author: Eric Dumazet Date: Mon May 9 20:57:39 2022 -0700 net: warn if transport header was not set Make sure skb_transport_header() and skb_transport_offset() uses are not fooled if the transport header has not been set. This change will likely expose existing bugs in linux networking stacks. Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller include/linux/skbuff.h | 2 ++ 1 file changed, 2 insertions(+) culprit signature: e5b8fb8e6765d2afdc8264b454c5173429cbcc6fbe89650b9e3d68e4c66200aa parent signature: e6e18ef00cbb5f00b907c3dabe63e61061d7b67835e63afb899d3b9b1e3056c4 revisions tested: 14, total time: 2h51m35.779550349s (build: 1h34m15.44017666s, test: 1h15m50.140707293s) first bad commit: 66e4c8d950083df8e12981babca788e1635c92b6 net: warn if transport header was not set recipients (to): ["davem@davemloft.net" "edumazet@google.com" "linux-kernel@vger.kernel.org"] recipients (cc): ["davem@davemloft.net" "dsahern@kernel.org" "edumazet@google.com" "imagedong@tencent.com" "keescook@chromium.org" "kuba@kernel.org"] crash: WARNING in ipgre_xmit ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4098 at include/linux/skbuff.h:2908 ipgre_xmit+0x75a/0x890 net/ipv4/ip_gre.c:632 Modules linked in: CPU: 1 PID: 4098 Comm: syz-executor.0 Not tainted 5.18.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:skb_transport_header include/linux/skbuff.h:2908 [inline] RIP: 0010:skb_transport_offset include/linux/skbuff.h:3015 [inline] RIP: 0010:ipgre_xmit+0x75a/0x890 net/ipv4/ip_gre.c:639 Code: e8 1b 18 6e fa 4c 8b 04 24 e9 39 fb ff ff 4c 89 44 24 08 48 89 0c 24 e8 14 18 6e fa 4c 8b 44 24 08 48 8b 0c 24 e9 dc fa ff ff <0f> 0b e9 27 fb ff ff 4c 89 c7 4c 89 04 24 e8 03 18 6e fa 4c 8b 04 RSP: 0018:ffffc90002e1f4d8 EFLAGS: 00010246 RAX: 0000000000000007 RBX: 000000000000ffff RCX: ffffffff87408e21 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88802313e836 RBP: ffff88802313e780 R08: ffff88802313e850 R09: ffff88801c9640e3 R10: ffffed100392c81c R11: 0000000000000001 R12: ffff88807ea52000 R13: 0000000000000004 R14: ffff88802313e834 R15: ffff88802313e848 FS: 00007f6646620700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f664559d090 CR3: 00000000228e4000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __netdev_start_xmit include/linux/netdevice.h:4791 [inline] netdev_start_xmit include/linux/netdevice.h:4805 [inline] xmit_one net/core/dev.c:3582 [inline] dev_hard_start_xmit+0x1a5/0x700 net/core/dev.c:3598 __dev_queue_xmit+0x236a/0x3010 net/core/dev.c:4248 dev_queue_xmit include/linux/netdevice.h:2981 [inline] __bpf_tx_skb net/core/filter.c:2113 [inline] __bpf_redirect_no_mac net/core/filter.c:2138 [inline] __bpf_redirect+0x6e2/0xd30 net/core/filter.c:2161 ____bpf_clone_redirect net/core/filter.c:2428 [inline] bpf_clone_redirect+0x26b/0x3f0 net/core/filter.c:2400 bpf_prog_207b739f41707f89+0x56/0x5b bpf_dispatcher_nop_func include/linux/bpf.h:853 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] bpf_test_run+0x3fa/0x8a0 net/bpf/test_run.c:402 bpf_prog_test_run_skb+0xa01/0x1cc0 net/bpf/test_run.c:1144 bpf_prog_test_run kernel/bpf/syscall.c:3596 [inline] __sys_bpf+0x10c4/0x42c0 kernel/bpf/syscall.c:4907 __do_sys_bpf kernel/bpf/syscall.c:4993 [inline] __se_sys_bpf kernel/bpf/syscall.c:4991 [inline] __x64_sys_bpf+0x70/0xb0 kernel/bpf/syscall.c:4991 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f6645489109 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6646620168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f664559bf60 RCX: 00007f6645489109 RDX: 0000000000000048 RSI: 0000000020000080 RDI: 000000000000000a RBP: 00007f66454e308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd15f906af R14: 00007f6646620300 R15: 0000000000022000