ci starts bisection 2023-03-03 07:29:47.062858553 +0000 UTC m=+162913.434111428
bisecting cause commit starting from 857f1268a591147f7be7509f249dbb3aba6fc65c
building syzkaller on f8902b5747fbe3d5b860bd782eec63fc9c7da6e7
ensuring issue is reproducible on original commit 857f1268a591147f7be7509f249dbb3aba6fc65c

testing commit 857f1268a591147f7be7509f249dbb3aba6fc65c gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: cb78232d8bfaa017b449846e4de36bd55aefc49325c6e5e3880222009e33f753
all runs: crashed: kernel BUG in hpage_collapse_scan_file
testing release v6.2
testing commit c9c3395d5e3dcc6daee66c6908354d47bf98cb0c gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c69bfba775254b12daf6894d4908ceb8c82653adeaa39b117a05abd0980c3368
run #0: crashed: kernel BUG in hpage_collapse_scan_file
run #1: crashed: kernel BUG in hpage_collapse_scan_file
run #2: crashed: kernel BUG in hpage_collapse_scan_file
run #3: crashed: kernel BUG in hpage_collapse_scan_file
run #4: crashed: kernel BUG in hpage_collapse_scan_file
run #5: crashed: kernel BUG in hpage_collapse_scan_file
run #6: crashed: kernel BUG in hpage_collapse_scan_file
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: INFO: rcu detected stall in corrupted
run #9: crashed: INFO: rcu detected stall in corrupted
testing release v6.1
testing commit 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 43a09eaaa7832364cf973bcaf351766f2f5b27780fa55e333127d4869497dac0
run #0: crashed: kernel BUG in hpage_collapse_scan_file
run #1: crashed: kernel BUG in hpage_collapse_scan_file
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: kernel BUG in hpage_collapse_scan_file
run #5: crashed: kernel BUG in hpage_collapse_scan_file
run #6: crashed: INFO: rcu detected stall in corrupted
run #7: crashed: INFO: rcu detected stall in corrupted
run #8: crashed: kernel BUG in hpage_collapse_scan_file
run #9: crashed: INFO: rcu detected stall in corrupted
testing release v6.0
testing commit 4fe89d07dcc2804c8b562f6c7896a45643d34b2f gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 3d90b74cc7dafd3b6907b829d316f45a4f16680a1162adee9c03c8738131601f
run #0: crashed: INFO: rcu detected stall in corrupted
run #1: crashed: INFO: rcu detected stall in corrupted
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: INFO: rcu detected stall in corrupted
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
testing release v5.19
testing commit 3d7cb6b04c3f3115719235cc6866b10326de34cd gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 0da2317c8a460466c87fbf2bc849117081095366ea6734ced340915cd521c64a
run #0: crashed: WARNING: ODEBUG bug in netdev_run_todo
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
reproducer seems to be flaky
testing release v5.18
testing commit 4b0986a3613c92f4ec1bdc7f60ec66fea135991f gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 250da93f5e9eb560ecd4e318a69f8189a1cd92aea5f672727b90acd19c8e2ac7
all runs: OK
# git bisect start 3d7cb6b04c3f3115719235cc6866b10326de34cd 4b0986a3613c92f4ec1bdc7f60ec66fea135991f
Bisecting: 8493 revisions left to test after this (roughly 13 steps)
[c011dd537ffe47462051930413fed07dbdc80313] Merge tag 'arm-soc-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

testing commit c011dd537ffe47462051930413fed07dbdc80313 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 9d000556ac25cb846ec86335ea5fed4322fca2bcea679aaa8e86bf8e2a56da06
all runs: OK
# git bisect good c011dd537ffe47462051930413fed07dbdc80313
Bisecting: 4244 revisions left to test after this (roughly 12 steps)
[5d4af9c1f04ab0411ba5818baad9a68e87f33099] Merge branch 'mv88e6xxx-fixes-for-reading-serdes-state'

testing commit 5d4af9c1f04ab0411ba5818baad9a68e87f33099 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: a15420fefb583bdb17e2348944a16a2145508b05cd45be9625495c4702e16075
all runs: OK
# git bisect good 5d4af9c1f04ab0411ba5818baad9a68e87f33099
Bisecting: 2122 revisions left to test after this (roughly 11 steps)
[7a68065eb9cd194cf03f135c9211eeb2d5c4c0a0] Merge tag 'gpio-fixes-for-v5.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

testing commit 7a68065eb9cd194cf03f135c9211eeb2d5c4c0a0 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: ff70acbf65df6370414a74c25e4db2ab7a71e73f966243e91a912210f0050184
all runs: OK
# git bisect good 7a68065eb9cd194cf03f135c9211eeb2d5c4c0a0
Bisecting: 1057 revisions left to test after this (roughly 10 steps)
[c1084b6c5620a743f86947caca66d90f24060f56] Merge tag 'soc-fixes-5.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

testing commit c1084b6c5620a743f86947caca66d90f24060f56 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: c86a11514d54dd8ee78f92c771d36b36a414a3272d661caf111d51b961bda444
all runs: OK
# git bisect good c1084b6c5620a743f86947caca66d90f24060f56
Bisecting: 528 revisions left to test after this (roughly 9 steps)
[6305d821e3b9b5379d348528e5b5faf316383bc2] igmp: Fix a data-race around sysctl_igmp_max_memberships.

testing commit 6305d821e3b9b5379d348528e5b5faf316383bc2 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: facf7606f920de67e0223dcba86e93bc5f68aba23a5a8eb59643bbbb79209151
all runs: OK
# git bisect good 6305d821e3b9b5379d348528e5b5faf316383bc2
Bisecting: 249 revisions left to test after this (roughly 8 steps)
[7ca433dc6dedb2ec98dfc943f6db0c9b8996ed11] Merge tag 'net-5.19-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

testing commit 7ca433dc6dedb2ec98dfc943f6db0c9b8996ed11 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: fef866c747666dfd75bd3b6abbe4f663a23f1f3e08aee1444c1aee770394fe2b
all runs: OK
# git bisect good 7ca433dc6dedb2ec98dfc943f6db0c9b8996ed11
Bisecting: 141 revisions left to test after this (roughly 7 steps)
[e64ab2dbd882933b65cd82ff6235d705ad65dbb6] watch_queue: Fix missing locking in add_watch_to_object()

testing commit e64ab2dbd882933b65cd82ff6235d705ad65dbb6 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: ae6aed5883f2c3bda0f3968e0064cc35512ce0b758bd4c42f73bf0d49bef11bc
all runs: OK
# git bisect good e64ab2dbd882933b65cd82ff6235d705ad65dbb6
Bisecting: 70 revisions left to test after this (roughly 6 steps)
[51a83391d77bb0f7ff0aef06ca4c7f5aa9e80b4c] net/funeth: Fix fun_xdp_tx() and XDP packet reclaim

testing commit 51a83391d77bb0f7ff0aef06ca4c7f5aa9e80b4c gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 0218f7fdb9a53b0a28ada1d8f0f936857d6da80b87271d99bb7feed495ec7507
all runs: OK
# git bisect good 51a83391d77bb0f7ff0aef06ca4c7f5aa9e80b4c
Bisecting: 37 revisions left to test after this (roughly 5 steps)
[4b20426d044163df0ff9d868e9767ca9e65dd36c] Merge tag 'wq-for-5.19-rc8-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

testing commit 4b20426d044163df0ff9d868e9767ca9e65dd36c gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 72a5ac746db403ef7e33fa763324aaa6cfb36ecb093404542fa65942815948e8
all runs: OK
# git bisect good 4b20426d044163df0ff9d868e9767ca9e65dd36c
Bisecting: 19 revisions left to test after this (roughly 4 steps)
[8a91f86f3e9e9608210166c70aaad4919018c0e7] Merge tag 'block-5.19-2022-07-29' of git://git.kernel.dk/linux-block

testing commit 8a91f86f3e9e9608210166c70aaad4919018c0e7 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 842173798459bf0d6af882ac5ce9f11a7f0ca8108f2ad777bb9fc2419ce8c652
all runs: OK
# git bisect good 8a91f86f3e9e9608210166c70aaad4919018c0e7
Bisecting: 9 revisions left to test after this (roughly 3 steps)
[cd2715b7929bcaf6e38d13ac512e0a9bba8df10d] Merge tag 'edac_urgent_for_v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras

testing commit cd2715b7929bcaf6e38d13ac512e0a9bba8df10d gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: b2e508bb3d3ef471dc7040c3ef9f1ed80202e7b2c1efa37ceba1b157fb0b07de
all runs: OK
# git bisect good cd2715b7929bcaf6e38d13ac512e0a9bba8df10d
Bisecting: 5 revisions left to test after this (roughly 2 steps)
[ea304a8b89fd0d6cf94ee30cb139dc23d9f1a62f] docs/kernel-parameters: Update descriptions for "mitigations=" param with retbleed

testing commit ea304a8b89fd0d6cf94ee30cb139dc23d9f1a62f gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 16ffcf4554d1fa94a27c1beaf35ff4a3bb8d284966e95d861299828a80d6e11d
all runs: OK
# git bisect good ea304a8b89fd0d6cf94ee30cb139dc23d9f1a62f
Bisecting: 2 revisions left to test after this (roughly 2 steps)
[89caf575400a9296e45b7de97b07d2fbf249c1f5] Merge tag 'x86_urgent_for_v5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

testing commit 89caf575400a9296e45b7de97b07d2fbf249c1f5 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 07af0c548e0b52b0f08a3de8a838beb85d02d6831167406c28d5517647e1c56c
all runs: OK
# git bisect good 89caf575400a9296e45b7de97b07d2fbf249c1f5
Bisecting: 0 revisions left to test after this (roughly 1 step)
[334c0ef6429f261c7f53dc035632435ffbc0c60d] Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux

testing commit 334c0ef6429f261c7f53dc035632435ffbc0c60d gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: e40522bc1bf92ff2a07ce6461cca0cb708a0ec7a813e9a5c85e125110afc9839
all runs: OK
# git bisect good 334c0ef6429f261c7f53dc035632435ffbc0c60d
3d7cb6b04c3f3115719235cc6866b10326de34cd is the first bad commit
commit 3d7cb6b04c3f3115719235cc6866b10326de34cd
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Sun Jul 31 14:03:01 2022 -0700

    Linux 5.19

 Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

culprit signature: 0da2317c8a460466c87fbf2bc849117081095366ea6734ced340915cd521c64a
parent  signature: e40522bc1bf92ff2a07ce6461cca0cb708a0ec7a813e9a5c85e125110afc9839
Reproducer flagged being flaky
revisions tested: 20, total time: 7h29m53.984821731s (build: 3h55m58.535249965s, test: 3h30m40.974660549s)
first bad commit: 3d7cb6b04c3f3115719235cc6866b10326de34cd Linux 5.19
recipients (to): ["torvalds@linux-foundation.org"]
recipients (cc): []
crash: WARNING: ODEBUG bug in netdev_run_todo
------------[ cut here ]------------
ODEBUG: free active (active state 0) object type: timer_list hint: batadv_dat_purge+0x0/0x400 net/batman-adv/distributed-arp-table.c:1815
WARNING: CPU: 1 PID: 8 at lib/debugobjects.c:505 debug_print_object lib/debugobjects.c:502 [inline]
WARNING: CPU: 1 PID: 8 at lib/debugobjects.c:505 __debug_check_no_obj_freed lib/debugobjects.c:989 [inline]
WARNING: CPU: 1 PID: 8 at lib/debugobjects.c:505 debug_check_no_obj_freed+0x455/0x610 lib/debugobjects.c:1020
Modules linked in:
CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 5.19.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Workqueue: netns cleanup_net
RIP: 0010:debug_print_object lib/debugobjects.c:502 [inline]
RIP: 0010:__debug_check_no_obj_freed lib/debugobjects.c:989 [inline]
RIP: 0010:debug_check_no_obj_freed+0x455/0x610 lib/debugobjects.c:1020
Code: 74 08 48 89 ef e8 4b 7f fa fd 48 8b 13 4c 8b 45 00 48 c7 c7 c0 ec 16 8a 48 c7 c6 80 e9 16 8a 44 89 f1 4d 89 f9 e8 db c3 86 fd <0f> 0b 48 ba 00 00 00 00 00 fc ff df 4c 8b 74 24 38 ff 05 90 de 33
RSP: 0018:ffffc900000d7788 EFLAGS: 00010246
RAX: c14e2d1b7fd01b00 RBX: ffffffff8a16ed38 RCX: 0000000000000001
RDX: 0000000000000001 RSI: ffffffff8a16e4c0 RDI: 0000000000000001
RBP: ffffffff89cbffa0 R08: dffffc0000000000 R09: ffffed10173a69d9
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff89cbffa0
R13: ffff88801eed8e90 R14: 0000000000000000 R15: ffffffff8938c210
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2cfcd63423 CR3: 0000000068451000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 slab_free_hook mm/slub.c:1729 [inline]
 slab_free_freelist_hook+0xcd/0x1a0 mm/slub.c:1780
 slab_free mm/slub.c:3536 [inline]
 kfree+0xfc/0x310 mm/slub.c:4584
 device_release+0x91/0x190
 kobject_cleanup lib/kobject.c:673 [inline]
 kobject_release lib/kobject.c:704 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x1cd/0x3a0 lib/kobject.c:721
 netdev_run_todo+0xc6a/0xd20 net/core/dev.c:10366
 default_device_exit_batch+0x3db/0x540 net/core/dev.c:11338
 ops_exit_list net/core/net_namespace.c:167 [inline]
 cleanup_net+0x6d4/0xa20 net/core/net_namespace.c:594
 process_one_work+0x7b9/0xef0 kernel/workqueue.c:2289
 worker_thread+0x8c9/0xfd0 kernel/workqueue.c:2436
 kthread+0x232/0x2b0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30
 </TASK>