ci2 starts bisection 2023-09-02 23:30:03.815637153 +0000 UTC m=+194914.698008443 bisecting cause commit starting from 0468be89b3fa5b9249cee1097f1d50314950a2df building syzkaller on 696ea0d2f4fdaa17db929e152edba19bf7666d84 ensuring issue is reproducible on original commit 0468be89b3fa5b9249cee1097f1d50314950a2df testing commit 0468be89b3fa5b9249cee1097f1d50314950a2df gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 47d37b3858cc92acb44f332c2c651dbf681a7d024f88d8a3ed43ca9b8057383f run #0: crashed: kernel BUG in __block_write_begin_int run #1: crashed: kernel BUG in __block_write_begin_int run #2: crashed: kernel BUG in __block_write_begin_int run #3: crashed: kernel BUG in __block_write_begin_int run #4: crashed: kernel BUG in __block_write_begin_int run #5: crashed: kernel BUG in __block_write_begin_int run #6: crashed: kernel BUG in __block_write_begin_int run #7: crashed: kernel BUG in __block_write_begin_int run #8: crashed: kernel BUG in __block_write_begin_int run #9: crashed: kernel BUG in __block_write_begin_int run #10: crashed: WARNING in __kthread_create_on_node run #11: crashed: WARNING in __kthread_create_on_node run #12: crashed: kernel BUG in __block_write_begin_int run #13: crashed: kernel BUG in __block_write_begin_int run #14: crashed: kernel BUG in __block_write_begin_int run #15: crashed: kernel BUG in __block_write_begin_int run #16: crashed: kernel BUG in __block_write_begin_int run #17: crashed: kernel BUG in __block_write_begin_int run #18: crashed: kernel BUG in __block_write_begin_int run #19: crashed: kernel BUG in __block_write_begin_int representative crash: kernel BUG in __block_write_begin_int, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 0468be89b3fa5b9249cee1097f1d50314950a2df gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: b7a5e991667d65dd78de93ac5409ff6eb1fff1b0516a146e953cb6b5f902a2df all runs: crashed: kernel BUG in __block_write_begin_int representative crash: kernel BUG in __block_write_begin_int, types: [BUG] the bug reproduces without the instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed kconfig minimization: base=3876 full=7683 leaves diff=2020 split chunks (needed=false): <2020> split chunk #0 of len 2020 into 5 parts testing without sub-chunk 1/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 0468be89b3fa5b9249cee1097f1d50314950a2df gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 060df0b3a97f604a4fdc8bf74e0150c9938f1c691558e36d7ea1b590c4f60819 all runs: crashed: kernel BUG in __block_write_begin_int representative crash: kernel BUG in __block_write_begin_int, types: [BUG] the chunk can be dropped testing without sub-chunk 2/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 0468be89b3fa5b9249cee1097f1d50314950a2df gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9608097e7ba6721039d99e1d8698f36daaf5a051f3047f8d5e4b390409cc51bf all runs: crashed: kernel BUG in __block_write_begin_int representative crash: kernel BUG in __block_write_begin_int, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 0468be89b3fa5b9249cee1097f1d50314950a2df gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6cc5fa32b78b1cec87c3bce6b3ba4a16745542e4a7854cf1d0620fbba006ee5a all runs: crashed: kernel BUG in __block_write_begin_int representative crash: kernel BUG in __block_write_begin_int, types: [BUG] the chunk can be dropped testing without sub-chunk 4/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 0468be89b3fa5b9249cee1097f1d50314950a2df gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5c1324bca3d43f436479af8da70384b441fc15fbe91b45c5b90b534a74342f7e all runs: crashed: kernel BUG in __block_write_begin_int representative crash: kernel BUG in __block_write_begin_int, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK], they are not needed testing commit 0468be89b3fa5b9249cee1097f1d50314950a2df gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 10066da9253d71417b413c20839e013d47d801dc4268cd9d63fab30e06378fce all runs: crashed: kernel BUG in __block_write_begin_int representative crash: kernel BUG in __block_write_begin_int, types: [BUG] the chunk can be dropped disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed picked [%!d(string=v6.5) %!d(string=v6.4) %!d(string=v6.3) %!d(string=v6.1) %!d(string=v5.19) %!d(string=v5.17) %!d(string=v5.15) %!d(string=v5.13) %!d(string=v5.10) %!d(string=v5.7) %!d(string=v5.4) %!d(string=v5.1) %!d(string=v4.19)] out of %!d(MISSING) release tags testing release v6.5 testing commit 2dde18cd1d8fac735875f2e4987f11817cc0bc2c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ef91bed4b419525cb6ecd690fb58521bddc1fe2592951512aa21cfdba3f54706 all runs: OK false negative chance: 0.000 # git bisect start 0468be89b3fa5b9249cee1097f1d50314950a2df 2dde18cd1d8fac735875f2e4987f11817cc0bc2c Bisecting: 5863 revisions left to test after this (roughly 12 steps) [53ea7f624fb91074c2f9458832ed74975ee5d64c] Merge tag 'xfs-6.6-merge-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux testing commit 53ea7f624fb91074c2f9458832ed74975ee5d64c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8705fecdc757eb698207e721d115daaf707e81be7c85ce24d25e249a2e91413d all runs: crashed: kernel BUG in __block_write_begin_int representative crash: kernel BUG in __block_write_begin_int, types: [BUG] # git bisect bad 53ea7f624fb91074c2f9458832ed74975ee5d64c Bisecting: 3014 revisions left to test after this (roughly 11 steps) [c873512ef3a39cc1a605b7a5ff2ad0a33d619aa8] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net testing commit c873512ef3a39cc1a605b7a5ff2ad0a33d619aa8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: be8b2e13744893e01bc3bd02ae014ce4e075c4464fb07a711e98f77afb3420a6 all runs: OK false negative chance: 0.000 # git bisect good c873512ef3a39cc1a605b7a5ff2ad0a33d619aa8 Bisecting: 1468 revisions left to test after this (roughly 11 steps) [3b6bf5b1f8e3d17d7566027cdc5a8262991eb5bc] Merge tag 'spi-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi testing commit 3b6bf5b1f8e3d17d7566027cdc5a8262991eb5bc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ac5af3c2b235be89c42574671d03e004d30fa5bedac1ea8d9c2c119d8c93e577 all runs: OK false negative chance: 0.000 # git bisect good 3b6bf5b1f8e3d17d7566027cdc5a8262991eb5bc Bisecting: 510 revisions left to test after this (roughly 10 steps) [b96a3e9142fdf346b05b20e867b4f0dfca119e96] Merge tag 'mm-stable-2023-08-28-18-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm testing commit b96a3e9142fdf346b05b20e867b4f0dfca119e96 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c21b6ebaa9f8651b3f62fe1882335434074c2e33157c13230d09d9729f89e4a0 all runs: OK false negative chance: 0.000 # git bisect good b96a3e9142fdf346b05b20e867b4f0dfca119e96 Bisecting: 231 revisions left to test after this (roughly 8 steps) [3d3dfeb3aec7b612d266d500c82054f1fded4980] Merge tag 'for-6.6/block-2023-08-28' of git://git.kernel.dk/linux testing commit 3d3dfeb3aec7b612d266d500c82054f1fded4980 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 54e9dea3d309baa26635b658538ffc61546ec620d1e3e9592b42215811383193 all runs: crashed: kernel BUG in __block_write_begin_int representative crash: kernel BUG in __block_write_begin_int, types: [BUG] # git bisect bad 3d3dfeb3aec7b612d266d500c82054f1fded4980 Bisecting: 116 revisions left to test after this (roughly 7 steps) [c1b7fcf3f6d94c2c3528bf77054bf174a5ef63d7] Merge tag 'for-6.6/io_uring-2023-08-28' of git://git.kernel.dk/linux testing commit c1b7fcf3f6d94c2c3528bf77054bf174a5ef63d7 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5d7d25a551da823b1766be5b523168ded7c48ffaa4d9024de6c87685dbbcf029 all runs: OK false negative chance: 0.000 # git bisect good c1b7fcf3f6d94c2c3528bf77054bf174a5ef63d7 Bisecting: 57 revisions left to test after this (roughly 6 steps) [d276bb291017e564b9f7c21e63fbe41a9fe0c764] Merge tag 'md-next-20230729' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into for-6.6/block testing commit d276bb291017e564b9f7c21e63fbe41a9fe0c764 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c1c40c1157f204f5a8a9aded8b3f5c68b5afa4fed0b0cddbb854de888dbc9eda all runs: OK false negative chance: 0.000 # git bisect good d276bb291017e564b9f7c21e63fbe41a9fe0c764 Bisecting: 28 revisions left to test after this (roughly 5 steps) [a705b11b358dee677aad80630e7608b2d5f56691] md/raid5-cache: fix a deadlock in r5l_exit_log() testing commit a705b11b358dee677aad80630e7608b2d5f56691 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5c9d5d75fc36d38b117470857e41e6a3a5b2af977deca712b086ce3c8912f495 all runs: OK false negative chance: 0.000 # git bisect good a705b11b358dee677aad80630e7608b2d5f56691 Bisecting: 14 revisions left to test after this (roughly 4 steps) [992db13a4aee766c8bfbf046ad15c2db5fa7cab8] md/raid1: free the r1bio before waiting for blocked rdev testing commit 992db13a4aee766c8bfbf046ad15c2db5fa7cab8 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f7473a9e302cb7642248223c9c7b9026583c1735addc7b9341c7432c106672b1 run #0: crashed: kernel BUG in __block_write_begin_int run #1: crashed: kernel BUG in __block_write_begin_int run #2: crashed: kernel BUG in __block_write_begin_int run #3: crashed: kernel BUG in __block_write_begin_int run #4: crashed: kernel BUG in __block_write_begin_int run #5: crashed: kernel BUG in __block_write_begin_int run #6: OK run #7: OK run #8: OK run #9: OK representative crash: kernel BUG in __block_write_begin_int, types: [BUG] # git bisect bad 992db13a4aee766c8bfbf046ad15c2db5fa7cab8 Bisecting: 6 revisions left to test after this (roughly 3 steps) [6601f5e122e5fdcea0fa5eaa54b88b02dbc9ec07] raid6: test: make sure all intermediate and artifact files are .gitignored testing commit 6601f5e122e5fdcea0fa5eaa54b88b02dbc9ec07 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 83ce948d13e0b057c18120b231f649d3ff3d6b4c3db8b8ef3c8881f6ecf48ddd run #0: crashed: kernel BUG in __block_write_begin_int run #1: crashed: kernel BUG in __block_write_begin_int run #2: crashed: kernel BUG in __block_write_begin_int run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK representative crash: kernel BUG in __block_write_begin_int, types: [BUG] # git bisect bad 6601f5e122e5fdcea0fa5eaa54b88b02dbc9ec07 Bisecting: 3 revisions left to test after this (roughly 2 steps) [7eb8ff02c1df279bf7f7f29b866beb655a9eebe9] md: Hold mddev->reconfig_mutex when trying to get mddev->sync_thread testing commit 7eb8ff02c1df279bf7f7f29b866beb655a9eebe9 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 7071c534b2e10fe04dc352eb2b93ebea050952c83ac5e6797db97c917f5cc2bf run #0: crashed: kernel BUG in __block_write_begin_int run #1: crashed: kernel BUG in __block_write_begin_int run #2: crashed: kernel BUG in __block_write_begin_int run #3: basic kernel testing failed: failed to copy binary to VM: failed to run ["scp" "-P" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "/tmp/syz-executor1654691386" "root@10.128.15.194:./syz-executor1654691386"]: exit status 255 Executing: program /usr/bin/ssh host 10.128.15.194, user root, command sftp OpenSSH_9.2p1 Debian-2, OpenSSL 3.0.9 30 May 2023 debug1: Reading configuration data /dev/null debug1: Connecting to 10.128.15.194 [10.128.15.194] port 22. debug1: connect to address 10.128.15.194 port 22: Connection timed out ssh: connect to host 10.128.15.194 port 22: Connection timed out scp: Connection closed run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: kernel BUG in __block_write_begin_int, types: [BUG] # git bisect bad 7eb8ff02c1df279bf7f7f29b866beb655a9eebe9 Bisecting: 0 revisions left to test after this (roughly 1 step) [892da88d1cd93426e9c6d7717876ca705fe2b9fa] md/raid10: fix a 'conf->barrier' leakage in raid10_takeover() testing commit 892da88d1cd93426e9c6d7717876ca705fe2b9fa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f5830c6ff3aa13b23726df6973ef46f5ff235867286bf7dc4c351f49af4b83d8 run #0: crashed: kernel BUG in __block_write_begin_int run #1: crashed: kernel BUG in __block_write_begin_int run #2: crashed: kernel BUG in __block_write_begin_int run #3: crashed: kernel BUG in __block_write_begin_int run #4: crashed: kernel BUG in __block_write_begin_int run #5: crashed: kernel BUG in __block_write_begin_int run #6: crashed: kernel BUG in __block_write_begin_int run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: kernel BUG in __block_write_begin_int, types: [BUG] # git bisect bad 892da88d1cd93426e9c6d7717876ca705fe2b9fa Bisecting: 0 revisions left to test after this (roughly 0 steps) [8b0472b50bcf0f19a5119b00a53b63579c8e1e4d] md: raid1: fix potential OOB in raid1_remove_disk() testing commit 8b0472b50bcf0f19a5119b00a53b63579c8e1e4d gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5461000b976b34e13b0efa03adca7066b247f9ad575ed562a00e6798a0717b0f run #0: crashed: kernel BUG in __block_write_begin_int run #1: crashed: kernel BUG in __block_write_begin_int run #2: crashed: kernel BUG in __block_write_begin_int run #3: crashed: kernel BUG in __block_write_begin_int run #4: crashed: kernel BUG in __block_write_begin_int run #5: crashed: kernel BUG in __block_write_begin_int run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK representative crash: kernel BUG in __block_write_begin_int, types: [BUG] # git bisect bad 8b0472b50bcf0f19a5119b00a53b63579c8e1e4d 8b0472b50bcf0f19a5119b00a53b63579c8e1e4d is the first bad commit commit 8b0472b50bcf0f19a5119b00a53b63579c8e1e4d Author: Zhang Shurong Date: Sat Jul 22 15:53:53 2023 +0800 md: raid1: fix potential OOB in raid1_remove_disk() If rddev->raid_disk is greater than mddev->raid_disks, there will be an out-of-bounds in raid1_remove_disk(). We have already found similar reports as follows: 1) commit d17f744e883b ("md-raid10: fix KASAN warning") 2) commit 1ebc2cec0b7d ("dm raid: fix KASAN warning in raid5_remove_disk") Fix this bug by checking whether the "number" variable is valid. Signed-off-by: Zhang Shurong Reviewed-by: Yu Kuai Link: https://lore.kernel.org/r/tencent_0D24426FAC6A21B69AC0C03CE4143A508F09@qq.com Signed-off-by: Song Liu drivers/md/raid1.c | 4 ++++ 1 file changed, 4 insertions(+) accumulated error probability: 0.00 culprit signature: 5461000b976b34e13b0efa03adca7066b247f9ad575ed562a00e6798a0717b0f parent signature: 5c9d5d75fc36d38b117470857e41e6a3a5b2af977deca712b086ce3c8912f495 reproducer is flaky (0.33 repro chance estimate) revisions tested: 21, total time: 5h26m5.525291295s (build: 1h25m33.515285269s, test: 3h51m20.028831383s) first bad commit: 8b0472b50bcf0f19a5119b00a53b63579c8e1e4d md: raid1: fix potential OOB in raid1_remove_disk() recipients (to): ["song@kernel.org" "yukuai3@huawei.com" "zhang_shurong@foxmail.com"] recipients (cc): [] crash: kernel BUG in __block_write_begin_int ------------[ cut here ]------------ kernel BUG at fs/buffer.c:2043! invalid opcode: 0000 [#1] PREEMPT SMP CPU: 0 PID: 11127 Comm: syz-executor.0 Not tainted 6.5.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:iomap_to_bh fs/buffer.c:2043 [inline] RIP: 0010:__block_write_begin_int+0x789/0x7f0 fs/buffer.c:2126 Code: ff ff eb b9 48 89 df 48 c7 c6 11 eb 0d 82 e8 ce 2c f2 ff 0f 0b 48 89 df 48 c7 c6 11 eb 0d 82 e8 bd 2c f2 ff 0f 0b 0f 0b 0f 0b <0f> 0b f3 0f 1e fa 48 8b 44 24 10 48 c1 e0 34 0f 85 d6 f8 ff ff 48 RSP: 0018:ffffc9000284ba90 EFLAGS: 00010206 RAX: 0000000000070000 RBX: ffffea000417a500 RCX: 0000000000040000 RDX: ffffc9000284bd30 RSI: 0000000000000070 RDI: ffff888111bff930 RBP: ffffc9000284bb60 R08: 0000000000000000 R09: 0000000000001000 R10: 0000000000000400 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888111bff930 R14: 0000000000000400 R15: 0000000000000000 FS: 00007f8753bdc6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002001d000 CR3: 000000010a6b5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: iomap_write_begin+0x28f/0x950 fs/iomap/buffered-io.c:679 iomap_write_iter fs/iomap/buffered-io.c:816 [inline] iomap_file_buffered_write+0x193/0x380 fs/iomap/buffered-io.c:873 blkdev_buffered_write block/fops.c:633 [inline] blkdev_write_iter+0x103/0x170 block/fops.c:687 call_write_iter include/linux/fs.h:1871 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x352/0x420 fs/read_write.c:584 ksys_write+0x70/0xe0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f875407aae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8753bdc0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f875419a050 RCX: 00007f875407aae9 RDX: 000000000208e24b RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007f87540c647a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007f875419a050 R15: 00007ffdf5787ea8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:iomap_to_bh fs/buffer.c:2043 [inline] RIP: 0010:__block_write_begin_int+0x789/0x7f0 fs/buffer.c:2126 Code: ff ff eb b9 48 89 df 48 c7 c6 11 eb 0d 82 e8 ce 2c f2 ff 0f 0b 48 89 df 48 c7 c6 11 eb 0d 82 e8 bd 2c f2 ff 0f 0b 0f 0b 0f 0b <0f> 0b f3 0f 1e fa 48 8b 44 24 10 48 c1 e0 34 0f 85 d6 f8 ff ff 48 RSP: 0018:ffffc9000284ba90 EFLAGS: 00010206 RAX: 0000000000070000 RBX: ffffea000417a500 RCX: 0000000000040000 RDX: ffffc9000284bd30 RSI: 0000000000000070 RDI: ffff888111bff930 RBP: ffffc9000284bb60 R08: 0000000000000000 R09: 0000000000001000 R10: 0000000000000400 R11: 0000000000000000 R12: 0000000000000000 R13: ffff888111bff930 R14: 0000000000000400 R15: 0000000000000000 FS: 00007f8753bdc6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002001d000 CR3: 000000010a6b5000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400