bisecting fixing commit since 9b15f7fae677336e04b9e026ff91854e43165455 building syzkaller on 5d7b90f1af2e3bf33992b75e7fcf0bab6bf49bd6 testing commit 9b15f7fae677336e04b9e026ff91854e43165455 with gcc (GCC) 8.4.1 20210217 kernel signature: 860af4dae6d175f22c798f03ca00e40281c80ea34425eca84cf1a2e0d25033e6 run #0: crashed: WARNING in corrupted run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #2: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #3: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #4: crashed: WARNING in corrupted run #5: crashed: WARNING in corrupted run #6: crashed: WARNING in corrupted run #7: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #9: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #10: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #11: crashed: WARNING in corrupted run #12: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #13: crashed: WARNING in corrupted run #14: crashed: WARNING in corrupted run #15: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #16: crashed: WARNING in corrupted run #17: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #18: crashed: WARNING in corrupted run #19: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet testing current HEAD fcfbdfe9626edd5bf00c732e093eed249ecdbfa1 testing commit fcfbdfe9626edd5bf00c732e093eed249ecdbfa1 with gcc (GCC) 8.4.1 20210217 kernel signature: 6549ebb3318519a6d7429a29f7a470241e531007d5475bc0bdfed0dc1f31fefd all runs: OK # git bisect start fcfbdfe9626edd5bf00c732e093eed249ecdbfa1 9b15f7fae677336e04b9e026ff91854e43165455 Bisecting: 3615 revisions left to test after this (roughly 12 steps) [9d8b5dbacd6b0ca84922fb12b2a05fd7e32383a2] thermal: rcar_thermal: Handle probe error gracefully testing commit 9d8b5dbacd6b0ca84922fb12b2a05fd7e32383a2 with gcc (GCC) 8.4.1 20210217 kernel signature: bc74a128400e7fa638a1b91e77a068985955be66ae3626c90fc5d4ec4717cb8f run #0: crashed: WARNING in corrupted run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #2: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #3: crashed: WARNING in corrupted run #4: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #5: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #6: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #7: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #9: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet # git bisect good 9d8b5dbacd6b0ca84922fb12b2a05fd7e32383a2 Bisecting: 1807 revisions left to test after this (roughly 11 steps) [96c5db6cf422a07d00a05350bda36d2769cc8233] platform/x86: intel-vbtn: Support for tablet mode on Dell Inspiron 7352 testing commit 96c5db6cf422a07d00a05350bda36d2769cc8233 with gcc (GCC) 8.4.1 20210217 kernel signature: e3eb0c2d5b4705c29dfe1c9ca74c70dba27b18eaa34f209dd55934cd88eae76c run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #2: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #3: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #4: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #5: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #6: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #7: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #9: crashed: WARNING in corrupted # git bisect good 96c5db6cf422a07d00a05350bda36d2769cc8233 Bisecting: 903 revisions left to test after this (roughly 10 steps) [cb87700ccb0d4cbfc430d42bcf07029a63943d3a] netfilter: conntrack: do not print icmpv6 as unknown via /proc testing commit cb87700ccb0d4cbfc430d42bcf07029a63943d3a with gcc (GCC) 8.4.1 20210217 kernel signature: d7a7d63fa70a406cdf64ece4dc45a3fc255f4d056759e1e3862980c9df1ab04e run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #2: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #3: crashed: WARNING in corrupted run #4: crashed: WARNING in corrupted run #5: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #6: crashed: WARNING in corrupted run #7: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #9: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet # git bisect good cb87700ccb0d4cbfc430d42bcf07029a63943d3a Bisecting: 451 revisions left to test after this (roughly 9 steps) [a7e4dffcb0df1b7953b360db973ff837a545bdf6] riscv: Workaround mcount name prior to clang-13 testing commit a7e4dffcb0df1b7953b360db973ff837a545bdf6 with gcc (GCC) 8.4.1 20210217 kernel signature: 6085ad76cdee937c40e52691d405945ebf035bb3b8950d30dec4e76f6ea0e525 all runs: basic kernel testing failed: unregister_netdevice: waiting for DEV to become free # git bisect skip a7e4dffcb0df1b7953b360db973ff837a545bdf6 Bisecting: 451 revisions left to test after this (roughly 9 steps) [16cc24da4e3518ffabaca19b474d66bf0f86fa55] ARM: 9075/1: kernel: Fix interrupted SMC calls testing commit 16cc24da4e3518ffabaca19b474d66bf0f86fa55 with gcc (GCC) 8.4.1 20210217 kernel signature: 6085ad76cdee937c40e52691d405945ebf035bb3b8950d30dec4e76f6ea0e525 all runs: basic kernel testing failed: unregister_netdevice: waiting for DEV to become free # git bisect skip 16cc24da4e3518ffabaca19b474d66bf0f86fa55 Bisecting: 451 revisions left to test after this (roughly 9 steps) [7585643856ae82e1ed105b261d4e57b384648a69] drivers/block/null_blk/main: Fix a double free in null_init. testing commit 7585643856ae82e1ed105b261d4e57b384648a69 with gcc (GCC) 8.4.1 20210217 kernel signature: d6cea29fad78f42e4477cf87c6acfe46d4e531be6a74433a4f05ca28316a57d4 run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #2: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #3: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #4: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #5: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #6: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #7: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #8: crashed: WARNING in corrupted run #9: crashed: WARNING in corrupted # git bisect good 7585643856ae82e1ed105b261d4e57b384648a69 Bisecting: 306 revisions left to test after this (roughly 8 steps) [73522d083d50bbd524beae832a691ae28eb092c4] char: hpet: add checks after calling ioremap testing commit 73522d083d50bbd524beae832a691ae28eb092c4 with gcc (GCC) 8.4.1 20210217 kernel signature: fd2df906f13d260d6fd7477cc6fc846fa4473561526d83c1b2ed8143aab1b841 run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #2: crashed: WARNING in corrupted run #3: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #4: crashed: WARNING in corrupted run #5: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #6: crashed: WARNING in corrupted run #7: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #8: crashed: WARNING in corrupted run #9: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet # git bisect good 73522d083d50bbd524beae832a691ae28eb092c4 Bisecting: 153 revisions left to test after this (roughly 7 steps) [270dadd7ea31c1bc43a0b1de118a30c2238171a8] kvm: fix previous commit for 32-bit builds testing commit 270dadd7ea31c1bc43a0b1de118a30c2238171a8 with gcc (GCC) 8.4.1 20210217 kernel signature: 79ada9810298905b79c8d9a4a447778e8dc571097c5c65c954267eb33af3d2ce run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #2: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #3: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #4: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #5: crashed: WARNING in corrupted run #6: crashed: WARNING in corrupted run #7: crashed: WARNING in corrupted run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #9: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet # git bisect good 270dadd7ea31c1bc43a0b1de118a30c2238171a8 Bisecting: 76 revisions left to test after this (roughly 6 steps) [5489a33c043744f55737ab3eb53949029d1d7f64] PCI: Work around Huawei Intelligent NIC VF FLR erratum testing commit 5489a33c043744f55737ab3eb53949029d1d7f64 with gcc (GCC) 8.4.1 20210217 kernel signature: b4fe908b59c08e7123f8e8be27e6e2c3d99575370e8e9ef7413a4c34509a9fe9 all runs: OK # git bisect bad 5489a33c043744f55737ab3eb53949029d1d7f64 Bisecting: 38 revisions left to test after this (roughly 5 steps) [06b7cb0194bd1ede0dd27f3a946e7c0279fba44a] net: rds: fix memory leak in rds_recvmsg testing commit 06b7cb0194bd1ede0dd27f3a946e7c0279fba44a with gcc (GCC) 8.4.1 20210217 kernel signature: 868abe54ddeeaf8b0e2e6a67805e291106e21e1d080d256a6b1ee9a43ff03a6c all runs: OK # git bisect bad 06b7cb0194bd1ede0dd27f3a946e7c0279fba44a Bisecting: 18 revisions left to test after this (roughly 4 steps) [094bf5670e762afa243d2c41a5c4ab71c7447bf4] gfs2: Fix use-after-free in gfs2_glock_shrink_scan testing commit 094bf5670e762afa243d2c41a5c4ab71c7447bf4 with gcc (GCC) 8.4.1 20210217 kernel signature: dbad7a677d9627f8c1abb88d30d1c04bc4cee93d945b7aa8804877b8a403440e run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #1: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #2: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #3: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #4: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #5: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #6: crashed: WARNING in corrupted run #7: crashed: WARNING in corrupted run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #9: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet # git bisect good 094bf5670e762afa243d2c41a5c4ab71c7447bf4 Bisecting: 9 revisions left to test after this (roughly 3 steps) [1f61f0ee4a94c73e505b38f0ff045a0e7e19fa61] net/x25: Return the correct errno code testing commit 1f61f0ee4a94c73e505b38f0ff045a0e7e19fa61 with gcc (GCC) 8.4.1 20210217 kernel signature: bc10eac0ab5837116f76c58c2633ff850a2a3e0393e176409b6e62ca026c5cf2 run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #1: crashed: WARNING in corrupted run #2: crashed: WARNING in corrupted run #3: crashed: WARNING in corrupted run #4: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #5: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #6: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #7: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #9: crashed: WARNING in corrupted # git bisect good 1f61f0ee4a94c73e505b38f0ff045a0e7e19fa61 Bisecting: 4 revisions left to test after this (roughly 2 steps) [53f0b1fffafe99f40006fb1be99adf71a3472741] dmaengine: stedma40: add missing iounmap() on error in d40_probe() testing commit 53f0b1fffafe99f40006fb1be99adf71a3472741 with gcc (GCC) 8.4.1 20210217 kernel signature: e6a7c45fe22e8fc6293bc3d99d7ae773d23e32206a082c56602a04d932d430c0 run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #1: crashed: WARNING in corrupted run #2: crashed: WARNING in corrupted run #3: crashed: WARNING in corrupted run #4: crashed: WARNING in corrupted run #5: crashed: WARNING in corrupted run #6: crashed: WARNING in corrupted run #7: crashed: WARNING in corrupted run #8: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #9: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet # git bisect good 53f0b1fffafe99f40006fb1be99adf71a3472741 Bisecting: 2 revisions left to test after this (roughly 1 step) [6d210d547adc2218ef8b5bcf23518c5f2f1fd872] mm/memory-failure: make sure wait for page writeback in memory_failure testing commit 6d210d547adc2218ef8b5bcf23518c5f2f1fd872 with gcc (GCC) 8.4.1 20210217 kernel signature: be185bb6a1d6839c49ba842d884c9a6821e9b92d2475439908c719f4a7c53c88 run #0: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #1: crashed: WARNING in corrupted run #2: crashed: WARNING in corrupted run #3: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #4: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #5: crashed: WARNING in corrupted run #6: crashed: WARNING in corrupted run #7: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet run #8: crashed: WARNING in corrupted run #9: crashed: WARNING in batadv_iv_send_outstanding_bat_ogm_packet # git bisect good 6d210d547adc2218ef8b5bcf23518c5f2f1fd872 Bisecting: 0 revisions left to test after this (roughly 1 step) [5340858147e3dc60913fb3dd0cbb758ec4a26e66] net: ipv4: fix memory leak in netlbl_cipsov4_add_std testing commit 5340858147e3dc60913fb3dd0cbb758ec4a26e66 with gcc (GCC) 8.4.1 20210217 kernel signature: f32007e9639b70bb418a7b9ce85c5d37ae2487db3c92c4b00d2271b0b2c417d7 all runs: OK # git bisect bad 5340858147e3dc60913fb3dd0cbb758ec4a26e66 Bisecting: 0 revisions left to test after this (roughly 0 steps) [e8e9d2968a9d08bf5c683afca182f1537edebf8d] batman-adv: Avoid WARN_ON timing related checks testing commit e8e9d2968a9d08bf5c683afca182f1537edebf8d with gcc (GCC) 8.4.1 20210217 kernel signature: fdaed5e577e44ac71ed435674733cee62b5b5532eb0a0e44730dca855ec9146c all runs: OK # git bisect bad e8e9d2968a9d08bf5c683afca182f1537edebf8d e8e9d2968a9d08bf5c683afca182f1537edebf8d is the first bad commit commit e8e9d2968a9d08bf5c683afca182f1537edebf8d Author: Sven Eckelmann Date: Tue May 18 21:00:27 2021 +0200 batman-adv: Avoid WARN_ON timing related checks [ Upstream commit 9f460ae31c4435fd022c443a6029352217a16ac1 ] The soft/batadv interface for a queued OGM can be changed during the time the OGM was queued for transmission and when the OGM is actually transmitted by the worker. But WARN_ON must be used to denote kernel bugs and not to print simple warnings. A warning can simply be printed using pr_warn. Reported-by: Tetsuo Handa Reported-by: syzbot+c0b807de416427ff3dd1@syzkaller.appspotmail.com Fixes: ef0a937f7a14 ("batman-adv: consider outgoing interface in OGM sending") Signed-off-by: Sven Eckelmann Signed-off-by: Simon Wunderlich Signed-off-by: Sasha Levin net/batman-adv/bat_iv_ogm.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) culprit signature: fdaed5e577e44ac71ed435674733cee62b5b5532eb0a0e44730dca855ec9146c parent signature: be185bb6a1d6839c49ba842d884c9a6821e9b92d2475439908c719f4a7c53c88 revisions tested: 18, total time: 4h6m28.85316932s (build: 2h30m0.821634161s, test: 1h34m25.696833483s) first good commit: e8e9d2968a9d08bf5c683afca182f1537edebf8d batman-adv: Avoid WARN_ON timing related checks recipients (to): ["sashal@kernel.org" "sven@narfation.org" "sw@simonwunderlich.de"] recipients (cc): []