ci2 starts bisection 2023-11-01 18:48:19.071909473 +0000 UTC m=+55786.248181181 bisecting cause commit starting from 89ed67ef126c4160349c1b96fdb775ea6170ac90 building syzkaller on 69904c9f85fcfb289eb529599176d42bcb3609eb ensuring issue is reproducible on original commit 89ed67ef126c4160349c1b96fdb775ea6170ac90 testing commit 89ed67ef126c4160349c1b96fdb775ea6170ac90 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 26fabaf5636fcb0cf6f5274b967dcc6a55e8f69913ffcefe9fb3dbc13d0f2728 run #0: crashed: BUG: corrupted list in ptp_release run #1: crashed: BUG: corrupted list in ptp_release run #2: crashed: BUG: corrupted list in ptp_release run #3: crashed: BUG: corrupted list in ptp_release run #4: crashed: BUG: corrupted list in ptp_release run #5: crashed: BUG: corrupted list in ptp_release run #6: crashed: BUG: corrupted list in ptp_release run #7: crashed: BUG: corrupted list in ptp_open run #8: crashed: BUG: corrupted list in ptp_release run #9: crashed: BUG: corrupted list in ptp_release run #10: crashed: BUG: corrupted list in ptp_release run #11: crashed: BUG: corrupted list in ptp_release run #12: crashed: BUG: corrupted list in ptp_release run #13: crashed: BUG: corrupted list in ptp_release run #14: crashed: BUG: corrupted list in ptp_release run #15: crashed: BUG: corrupted list in ptp_release run #16: crashed: BUG: corrupted list in ptp_release run #17: crashed: BUG: corrupted list in ptp_release run #18: crashed: BUG: corrupted list in ptp_release run #19: crashed: BUG: corrupted list in ptp_release representative crash: BUG: corrupted list in ptp_release, types: [BUG] check whether we can drop unnecessary instrumentation disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 89ed67ef126c4160349c1b96fdb775ea6170ac90 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 26f6b5ed678656075ae04f3b2bce5fee481d1d221732ad517d449811e472c6c1 run #0: crashed: BUG: corrupted list in ptp_release run #1: crashed: BUG: corrupted list in ptp_release run #2: crashed: BUG: corrupted list in ptp_release run #3: crashed: BUG: corrupted list in ptp_release run #4: crashed: BUG: corrupted list in ptp_release run #5: crashed: BUG: corrupted list in ptp_open run #6: crashed: BUG: corrupted list in ptp_release run #7: crashed: BUG: corrupted list in ptp_release run #8: crashed: BUG: corrupted list in ptp_release run #9: crashed: BUG: corrupted list in ptp_release representative crash: BUG: corrupted list in ptp_release, 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=3930 full=7625 leaves diff=1994 split chunks (needed=false): <1994> split chunk #0 of len 1994 into 5 parts testing without sub-chunk 1/5 disabling configs for [LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP HANG], they are not needed testing commit 89ed67ef126c4160349c1b96fdb775ea6170ac90 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c47875751a1d84a0a4a4f580d550259f68cf23634bca75d0c04df2dae7b76f7b all runs: crashed: BUG: corrupted list in ptp_release representative crash: BUG: corrupted list in ptp_release, 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 89ed67ef126c4160349c1b96fdb775ea6170ac90 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 2f57123021dd3e472741511e914b9ef20af096a35a4e49566bd53a22f4fd67b2 run #0: crashed: BUG: corrupted list in ptp_release run #1: crashed: BUG: corrupted list in ptp_release run #2: crashed: BUG: corrupted list in ptp_release run #3: crashed: BUG: corrupted list in ptp_open run #4: crashed: BUG: corrupted list in ptp_release run #5: crashed: BUG: corrupted list in ptp_release run #6: crashed: BUG: corrupted list in ptp_release run #7: crashed: BUG: corrupted list in ptp_release run #8: crashed: BUG: corrupted list in ptp_release run #9: crashed: BUG: corrupted list in ptp_release representative crash: BUG: corrupted list in ptp_release, types: [BUG] the chunk can be dropped testing without sub-chunk 3/5 disabling configs for [KASAN LOCKDEP ATOMIC_SLEEP HANG LEAK UBSAN], they are not needed testing commit 89ed67ef126c4160349c1b96fdb775ea6170ac90 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8190ded2271eda727cc7a112227b588c3453b25e2a1dc737405c264a999a9d34 run #0: crashed: BUG: corrupted list in ptp_open run #1: crashed: BUG: corrupted list in ptp_release run #2: crashed: BUG: corrupted list in ptp_release run #3: crashed: BUG: corrupted list in ptp_release run #4: crashed: BUG: corrupted list in ptp_release run #5: crashed: BUG: corrupted list in ptp_release run #6: crashed: BUG: corrupted list in ptp_release run #7: crashed: BUG: corrupted list in ptp_release run #8: crashed: BUG: corrupted list in ptp_release run #9: crashed: BUG: corrupted list in ptp_release representative crash: BUG: corrupted list in ptp_open, 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 89ed67ef126c4160349c1b96fdb775ea6170ac90 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: c789e9182e07f75b899bb3e420a63c621ebd6547090b27dd981ac12df7ebe052 run #0: crashed: BUG: corrupted list in ptp_release run #1: crashed: BUG: corrupted list in ptp_release run #2: crashed: BUG: corrupted list in ptp_open run #3: crashed: BUG: corrupted list in ptp_release run #4: crashed: BUG: corrupted list in ptp_open run #5: crashed: BUG: corrupted list in ptp_release run #6: crashed: BUG: corrupted list in ptp_release run #7: crashed: BUG: corrupted list in ptp_release run #8: crashed: BUG: corrupted list in ptp_release run #9: crashed: BUG: corrupted list in ptp_release representative crash: BUG: corrupted list in ptp_release, types: [BUG] the chunk can be dropped testing without sub-chunk 5/5 disabling configs for [HANG LEAK UBSAN KASAN LOCKDEP ATOMIC_SLEEP], they are not needed testing commit 89ed67ef126c4160349c1b96fdb775ea6170ac90 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8e2e2e7e5512b7248afd314731f6e046531f10c588a64fb8c97efcedcb7fb856 all runs: crashed: BUG: corrupted list in ptp_release representative crash: BUG: corrupted list in ptp_release, types: [BUG] the chunk can be dropped disabling configs for [ATOMIC_SLEEP HANG LEAK UBSAN KASAN LOCKDEP], they are not needed picked [v6.6 v6.5 v6.4 v6.2 v6.0 v5.18 v5.16 v5.14 v5.11 v5.8 v5.5 v5.2 v4.20 v4.19] out of 29 release tags testing release v6.6 testing commit ffc253263a1375a65fa6c9f62a893e9767fbebfa gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: dce8c212d760c18f06ef8774d002ef12b0181a97516d7b23432eb868fdc2c524 all runs: OK false negative chance: 0.000 # git bisect start 89ed67ef126c4160349c1b96fdb775ea6170ac90 ffc253263a1375a65fa6c9f62a893e9767fbebfa Bisecting: 3061 revisions left to test after this (roughly 12 steps) [b827ac419721a106ae2fccaa40576b0594edad92] exportfs: Change bcachefs fid_type enum to avoid conflicts testing commit b827ac419721a106ae2fccaa40576b0594edad92 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4a8a4533ec77c699ce515a617a76301b0a5266ec94fc3b2f56fb56bf61857033 all runs: OK false negative chance: 0.000 # git bisect good b827ac419721a106ae2fccaa40576b0594edad92 Bisecting: 1530 revisions left to test after this (roughly 11 steps) [d1a02ed66fe62aa2edd77bd54e270ebc33bd12ff] tcp: rename tcp_skb_timestamp() testing commit d1a02ed66fe62aa2edd77bd54e270ebc33bd12ff gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8bc34e84baddae33827f79038a3b9acf11c3bb4e8fd30391ca234a45eb249ac8 run #0: crashed: BUG: corrupted list in ptp_release run #1: crashed: BUG: corrupted list in ptp_open run #2: crashed: BUG: corrupted list in ptp_release run #3: crashed: BUG: corrupted list in ptp_open run #4: crashed: BUG: corrupted list in ptp_release run #5: crashed: BUG: corrupted list in ptp_release run #6: crashed: BUG: corrupted list in ptp_release run #7: crashed: BUG: corrupted list in ptp_open run #8: crashed: BUG: corrupted list in ptp_release run #9: crashed: BUG: corrupted list in ptp_open representative crash: BUG: corrupted list in ptp_release, types: [BUG] # git bisect bad d1a02ed66fe62aa2edd77bd54e270ebc33bd12ff Bisecting: 868 revisions left to test after this (roughly 10 steps) [3abbd0699b678fc48e0100704338cff9180fe4bb] net: phy: broadcom: add support for BCM5221 phy testing commit 3abbd0699b678fc48e0100704338cff9180fe4bb gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: afb5313e4deca981a9f4a9761171d7607843ab0dfd6f334db736e687420d0608 all runs: OK false negative chance: 0.000 # git bisect good 3abbd0699b678fc48e0100704338cff9180fe4bb Bisecting: 434 revisions left to test after this (roughly 9 steps) [5a423552e0d9bb882f22cb0bf85f520ca2692706] i40e: Add handler for devlink .info_get testing commit 5a423552e0d9bb882f22cb0bf85f520ca2692706 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 8fc1accc824187bc3c194d5d89e255c4650194c122a444f211e08ea0923f6ca6 all runs: OK false negative chance: 0.000 # git bisect good 5a423552e0d9bb882f22cb0bf85f520ca2692706 Bisecting: 175 revisions left to test after this (roughly 8 steps) [56a7bb12c78ffa1b02e154b1d779ed2a1555fa3c] Merge tag 'wireless-next-2023-10-16' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next testing commit 56a7bb12c78ffa1b02e154b1d779ed2a1555fa3c gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9d018f2fd7744e29cfbb3aa89724df416fcd945364b46ed2a0a847b1a79de41e run #0: crashed: BUG: corrupted list in ptp_release run #1: crashed: BUG: corrupted list in ptp_open run #2: crashed: BUG: corrupted list in ptp_release run #3: crashed: BUG: corrupted list in ptp_release run #4: crashed: BUG: corrupted list in ptp_release run #5: crashed: BUG: corrupted list in ptp_release run #6: crashed: BUG: corrupted list in ptp_release run #7: crashed: BUG: corrupted list in ptp_release run #8: crashed: BUG: corrupted list in ptp_release run #9: crashed: BUG: corrupted list in ptp_release representative crash: BUG: corrupted list in ptp_release, types: [BUG] # git bisect bad 56a7bb12c78ffa1b02e154b1d779ed2a1555fa3c Bisecting: 118 revisions left to test after this (roughly 7 steps) [a3c2dd96487f1dd734c9443a3472c8dafa689813] Merge tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next testing commit a3c2dd96487f1dd734c9443a3472c8dafa689813 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 6894860f75ef8ae598b1edf14d29ee053b8362bcd0194cbc9fd4f396fd523302 all runs: crashed: BUG: corrupted list in ptp_release representative crash: BUG: corrupted list in ptp_release, types: [BUG] # git bisect bad a3c2dd96487f1dd734c9443a3472c8dafa689813 Bisecting: 69 revisions left to test after this (roughly 6 steps) [84cb9cbd911a3e06c1ff31572706ba0ee3499b19] bpf: Annotate struct bpf_stack_map with __counted_by testing commit 84cb9cbd911a3e06c1ff31572706ba0ee3499b19 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 5c178b4b9757ef753f35b4848f7f492697669e78cd442a926d73ca5f034edee4 all runs: OK false negative chance: 0.000 # git bisect good 84cb9cbd911a3e06c1ff31572706ba0ee3499b19 Bisecting: 34 revisions left to test after this (roughly 5 steps) [c60991f8e187eb73dbea2375c08ccba8f544bd49] cgroup, netclassid: on modifying netclassid in cgroup, only consider the main process. testing commit c60991f8e187eb73dbea2375c08ccba8f544bd49 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: d8d631f0cb4b5c56c9821c38b6ab318ee12d1a64fc473cde3f0b00e6c6e34ec3 run #0: crashed: BUG: corrupted list in ptp_release run #1: crashed: BUG: corrupted list in ptp_release run #2: crashed: BUG: corrupted list in ptp_open run #3: crashed: BUG: corrupted list in ptp_release run #4: crashed: BUG: corrupted list in ptp_release run #5: crashed: BUG: corrupted list in ptp_release run #6: crashed: BUG: corrupted list in ptp_release run #7: crashed: BUG: corrupted list in ptp_release run #8: crashed: BUG: corrupted list in ptp_release run #9: crashed: BUG: corrupted list in ptp_release representative crash: BUG: corrupted list in ptp_release, types: [BUG] # git bisect bad c60991f8e187eb73dbea2375c08ccba8f544bd49 Bisecting: 17 revisions left to test after this (roughly 4 steps) [101c6032031f4dba72b91e6c766e958a5e429622] net: cxgb3: simplify logic for rspq_check_napi testing commit 101c6032031f4dba72b91e6c766e958a5e429622 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 4a426680e14a924b7bac744618749d4778adf2b5623c8f194039628ebf3e9056 all runs: crashed: BUG: corrupted list in ptp_release representative crash: BUG: corrupted list in ptp_release, types: [BUG] # git bisect bad 101c6032031f4dba72b91e6c766e958a5e429622 Bisecting: 7 revisions left to test after this (roughly 3 steps) [99620ea03327c5e73407f48a6994578f71951a87] Merge branch 'dpll-phase-offset-phase-adjust' testing commit 99620ea03327c5e73407f48a6994578f71951a87 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: f6e113948fce61f7c78735c635fbc86e83752658b169454a222ea887f7017352 all runs: OK false negative chance: 0.000 # git bisect good 99620ea03327c5e73407f48a6994578f71951a87 Bisecting: 3 revisions left to test after this (roughly 2 steps) [c5a445b1e9347b14752b01f1a304bd7a2f260acc] ptp: support event queue reader channel masks testing commit c5a445b1e9347b14752b01f1a304bd7a2f260acc gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 9bbb10af28fe4cd3b5e537465bf0f765eb895bd00c660d943034b19d48660f46 run #0: crashed: BUG: corrupted list in ptp_open run #1: crashed: BUG: corrupted list in ptp_open run #2: crashed: BUG: corrupted list in ptp_release run #3: crashed: BUG: corrupted list in ptp_release run #4: crashed: BUG: corrupted list in ptp_release run #5: crashed: BUG: corrupted list in ptp_release run #6: crashed: BUG: corrupted list in ptp_release run #7: crashed: BUG: corrupted list in ptp_release run #8: crashed: BUG: corrupted list in ptp_release run #9: crashed: BUG: corrupted list in ptp_release representative crash: BUG: corrupted list in ptp_open, types: [BUG] # git bisect bad c5a445b1e9347b14752b01f1a304bd7a2f260acc Bisecting: 1 revision left to test after this (roughly 1 step) [d26ab5a35ad9920940a9e07665130d501b2ae1a3] ptp: Replace timestamp event queue with linked list testing commit d26ab5a35ad9920940a9e07665130d501b2ae1a3 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: ebd0f8dd639bc3d999ace16cea27386d0d88d613581896fb513c1dd17349a143 all runs: OK false negative chance: 0.000 # git bisect good d26ab5a35ad9920940a9e07665130d501b2ae1a3 Bisecting: 0 revisions left to test after this (roughly 0 steps) [8f5de6fb245326704f37d91780b9a10253a8a100] ptp: support multiple timestamp event readers testing commit 8f5de6fb245326704f37d91780b9a10253a8a100 gcc compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 kernel signature: 28b0081510a555f4544bb430669f9fbb3b7b81453c94c0cabd1fe6873f528283 run #0: crashed: BUG: corrupted list in ptp_release run #1: crashed: BUG: corrupted list in ptp_open run #2: crashed: BUG: corrupted list in ptp_release run #3: crashed: BUG: corrupted list in ptp_release run #4: crashed: BUG: corrupted list in ptp_release run #5: crashed: BUG: corrupted list in ptp_open run #6: crashed: BUG: corrupted list in ptp_release run #7: crashed: BUG: corrupted list in ptp_release run #8: crashed: BUG: corrupted list in ptp_release run #9: crashed: BUG: corrupted list in ptp_release representative crash: BUG: corrupted list in ptp_release, types: [BUG] # git bisect bad 8f5de6fb245326704f37d91780b9a10253a8a100 8f5de6fb245326704f37d91780b9a10253a8a100 is the first bad commit commit 8f5de6fb245326704f37d91780b9a10253a8a100 Author: Xabier Marquiegui Date: Thu Oct 12 00:39:55 2023 +0200 ptp: support multiple timestamp event readers Use linked lists to create one event queue per open file. This enables simultaneous readers for timestamp event queues. Signed-off-by: Xabier Marquiegui Suggested-by: Richard Cochran Signed-off-by: David S. Miller drivers/ptp/ptp_chardev.c | 68 ++++++++++++++++++++++++++++++++++------------- drivers/ptp/ptp_clock.c | 6 ++--- drivers/ptp/ptp_private.h | 1 - drivers/ptp/ptp_sysfs.c | 9 +++---- 4 files changed, 55 insertions(+), 29 deletions(-) accumulated error probability: 0.00 culprit signature: 28b0081510a555f4544bb430669f9fbb3b7b81453c94c0cabd1fe6873f528283 parent signature: ebd0f8dd639bc3d999ace16cea27386d0d88d613581896fb513c1dd17349a143 revisions tested: 21, total time: 3h31m58.332747063s (build: 1h14m50.595156843s, test: 2h7m51.924682431s) first bad commit: 8f5de6fb245326704f37d91780b9a10253a8a100 ptp: support multiple timestamp event readers recipients (to): ["davem@davemloft.net" "reibax@gmail.com"] recipients (cc): [] crash: BUG: corrupted list in ptp_release list_del corruption. prev->next should be ffff88810630f048, but was ffff888105bcb048. (prev=ffff88810a243048) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:64! invalid opcode: 0000 [#1] PREEMPT SMP CPU: 1 PID: 4912 Comm: syz-executor.3 Not tainted 6.6.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 RIP: 0010:__list_del_entry_valid_or_report+0x8b/0xa0 lib/list_debug.c:62 Code: c7 c7 74 c7 11 82 e8 54 78 60 00 0f 0b 48 c7 c7 ac c7 11 82 e8 46 78 60 00 0f 0b 48 c7 c7 e4 c7 11 82 48 89 c1 e8 35 78 60 00 <0f> 0b 48 c7 c7 2e c8 11 82 e8 27 78 60 00 0f 0b 0f 1f 44 00 00 f3 RSP: 0018:ffffc90002943e90 EFLAGS: 00010046 RAX: 000000000000006d RBX: ffff88810630e000 RCX: d754303f9cfdb800 RDX: ffff888237d28180 RSI: ffffffff820e637f RDI: 00000000ffffffff RBP: ffff88810aa49000 R08: 0000000000000000 R09: ffffffff824c1730 R10: 00000000ffffffff R11: 00000000ffffdfff R12: ffff888106e6d060 R13: 0000000000000000 R14: ffff88810630f008 R15: 0000000000000282 FS: 0000555555da5480(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f89987c6000 CR3: 0000000106f32000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry_valid include/linux/list.h:124 [inline] __list_del_entry include/linux/list.h:215 [inline] list_del include/linux/list.h:229 [inline] ptp_release+0x38/0x90 drivers/ptp/ptp_chardev.c:127 posix_clock_release+0x2a/0x70 kernel/time/posix-clock.c:157 __fput+0xfc/0x270 fs/file_table.c:384 __do_sys_close fs/open.c:1572 [inline] __se_sys_close+0x67/0xb0 fs/open.c:1557 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: 0033:0x7f89986a99da Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24 RSP: 002b:00007ffdd2b6ac70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f89986a99da RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000032 R08: 0000001b33760000 R09: 00007f89987c9f8c R10: 00007ffdd2b6adc0 R11: 0000000000000293 R12: 00007f899822e0a8 R13: ffffffffffffffff R14: 00007f899822e000 R15: 000000000000c6a2 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0x8b/0xa0 lib/list_debug.c:62 Code: c7 c7 74 c7 11 82 e8 54 78 60 00 0f 0b 48 c7 c7 ac c7 11 82 e8 46 78 60 00 0f 0b 48 c7 c7 e4 c7 11 82 48 89 c1 e8 35 78 60 00 <0f> 0b 48 c7 c7 2e c8 11 82 e8 27 78 60 00 0f 0b 0f 1f 44 00 00 f3 RSP: 0018:ffffc90002943e90 EFLAGS: 00010046 RAX: 000000000000006d RBX: ffff88810630e000 RCX: d754303f9cfdb800 RDX: ffff888237d28180 RSI: ffffffff820e637f RDI: 00000000ffffffff RBP: ffff88810aa49000 R08: 0000000000000000 R09: ffffffff824c1730 R10: 00000000ffffffff R11: 00000000ffffdfff R12: ffff888106e6d060 R13: 0000000000000000 R14: ffff88810630f008 R15: 0000000000000282 FS: 0000555555da5480(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f89987c6000 CR3: 0000000106f32000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400