bisecting cause commit starting from 034307507118f7e1b18f8403c85af2216da2dc94 building syzkaller on 1bf9a662c66aa432ff2fe3bf2562578cef626c09 testing commit 034307507118f7e1b18f8403c85af2216da2dc94 with gcc (GCC) 8.1.0 kernel signature: f75d3bb2cbc6bbd09ba59900edaf392afc64d30f8c85626791310021a426d221 all runs: crashed: INFO: task hung in sync_inodes_sb testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b with gcc (GCC) 8.1.0 kernel signature: a82b63d060ceb014a456a27cdef2f1ec1d15fc82de1427bc4784201d6479e67b all runs: crashed: INFO: task hung in sync_inodes_sb testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0 kernel signature: 226e62510cb53950138ecbc168a7d082c3278dba4713a0829ad221052d4b5bad all runs: crashed: INFO: task hung in sync_inodes_sb testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0 kernel signature: 7bf70242ad6bf9b6b6af00e6da05e976ad31b4d8cde17b9685f33e1c6388cb07 all runs: crashed: general protection fault in percpu_counter_add_batch testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.1.0 kernel signature: da02fb0a7992176bd65cfa9f7746966dfb6c9660aab1c3e823267e38303b80b7 all runs: crashed: general protection fault in percpu_counter_add_batch testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 with gcc (GCC) 8.1.0 kernel signature: 54033e375804a6f4cd3d20b191f88b8cf7e2f8ab8990eace0bef3e8598fa9498 all runs: crashed: general protection fault in percpu_counter_add_batch testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0 kernel signature: 4f0c7ab076435700136a165c12148cb4eda98885d560a220ab6ba3284de12e7d all runs: crashed: general protection fault in percpu_counter_add_batch testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0 kernel signature: b0fa0ceaf00a5142972ad3907ac894bf9cdcfe7b0b5d44c0e63c89c618ff3096 all runs: crashed: INFO: task hung in sync_inodes_sb testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0 kernel signature: 0c39327e4a214406b923edbf2d0423137f40cbd1887a9433ec87d30a5123a2b5 all runs: crashed: INFO: task hung in sync_inodes_sb testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0 kernel signature: 67410fbd1de73a497f6e4c4850d1c58bc350326fda4df82bd987af136715814d all runs: crashed: INFO: task hung in sync_inodes_sb testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0 kernel signature: e56fc4537fa61542d7d714dc1323d8e33a08e3380146440838bb3cb9dfefcf14 all runs: crashed: INFO: task hung in sync_inodes_sb testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 kernel signature: 3088fdbd6f02e24b5772ec69afefeed699478fca81f488bcba271cbaa4da6524 all runs: crashed: INFO: task hung in sync_inodes_sb testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 kernel signature: d52289fda2c73ad149f0d45597893ff124d7629f286204951c432d6b9fb89167 all runs: crashed: INFO: task hung in sync_inodes_sb testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 kernel signature: df477f61050fe3ec44629157db09abe529e31ebdc835984c13365a1aea8f0181 all runs: crashed: INFO: task hung in sync_inodes_sb testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 kernel signature: 4cf6c2de3ef80142d9148473e5358ef1a082ce723a358e23f6bd648218647639 all runs: crashed: INFO: task hung in sync_inodes_sb testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0 kernel signature: a65e14415b84d8629791136c2942f36a0a00e822db8d934e91e4e3725957ee43 all runs: crashed: INFO: task hung in sync_inodes_sb testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0 kernel signature: 2fc680f992f2feecfc77b412fc42d90cfa517a2b8361610abe8883b148c92015 run #0: basic kernel testing failed: WARNING in check_flush_dependency run #1: basic kernel testing failed: WARNING in check_flush_dependency run #2: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.193:./syz-execprog"]: exit status 1 Connection timed out during banner exchange lost connection run #3: basic kernel testing failed: WARNING in check_flush_dependency run #4: basic kernel testing failed: WARNING in check_flush_dependency run #5: basic kernel testing failed: WARNING in check_flush_dependency run #6: basic kernel testing failed: WARNING in check_flush_dependency run #7: basic kernel testing failed: WARNING in check_flush_dependency run #8: basic kernel testing failed: WARNING in check_flush_dependency run #9: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.14:./syz-execprog"]: exit status 1 Connection timed out during banner exchange lost connection testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0 kernel signature: 8b234c2703fd253135c569abe3a4830144c27598e8da3113aa900b9eb9382801 all runs: crashed: INFO: task hung in sync_inodes_sb testing release v4.13 testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0 kernel signature: fddc2ab50c8d07a2b05447c795539240b8cc6cbcbbe5f20a5b7d4dadd7cad70c all runs: crashed: INFO: task hung in sync_inodes_sb testing release v4.12 testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0 kernel signature: 1a06b91682edb811fa5ee93e0300e7908dcaa3c9050d24dd0955f300d9b0052b all runs: basic kernel testing failed: BUG: sleeping function called from invalid context in tap_get_minor testing release v4.11 testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 with gcc (GCC) 7.3.0 kernel signature: 4e6f7036cea579fa9c9e8f882ab3c8e1512a0026dfe76eac59362b0b13c36066 all runs: basic kernel testing failed: BUG: sleeping function called from invalid context in tap_get_minor testing release v4.10 testing commit c470abd4fde40ea6a0846a2beab642a578c0b8cd with gcc (GCC) 5.5.0 kernel signature: a9f00b7281e02f4440fcf8fa595dd7a9067d96ee674cffb4f3149fe1b822674a run #0: crashed: general protection fault in br_multicast_group_expired run #1: crashed: WARNING in nf_unregister_net_hook run #2: crashed: WARNING in nf_unregister_net_hook run #3: crashed: WARNING in nf_unregister_net_hook run #4: crashed: WARNING in nf_unregister_net_hook run #5: crashed: WARNING in nf_unregister_net_hook run #6: crashed: WARNING in nf_unregister_net_hook run #7: crashed: WARNING in nf_unregister_net_hook run #8: crashed: WARNING in nf_unregister_net_hook run #9: crashed: WARNING in nf_unregister_net_hook testing release v4.9 testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0 kernel signature: 199ac9e87bfe0bb44a820a68f8ce6888d8d43d8b9f21ae1027846b51ff9d2c4f run #0: crashed: WARNING in nf_unregister_net_hook run #1: crashed: WARNING in nf_unregister_net_hook run #2: crashed: WARNING in nf_unregister_net_hook run #3: crashed: WARNING in nf_unregister_net_hook run #4: crashed: WARNING in nf_unregister_net_hook run #5: crashed: WARNING in nf_unregister_net_hook run #6: OK run #7: OK run #8: OK run #9: OK testing release v4.8 testing commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 with gcc (GCC) 5.5.0 kernel signature: 3202ffbb4374987217dfef6ad25861521c10ee80b4f5c289b32d8f47af8c1712 all runs: OK # git bisect start 69973b830859bc6529a7a0468ba0d80ee5117826 c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 Bisecting: 8695 revisions left to test after this (roughly 13 steps) [a5af7e1fc69a46f29b977fd4b570e0ac414c2338] rxrpc: Fix loss of PING RESPONSE ACK production due to PING ACKs testing commit a5af7e1fc69a46f29b977fd4b570e0ac414c2338 with gcc (GCC) 5.5.0 kernel signature: 53a0c43c47e9519ed09605962fb2ac5b90e72c9e14fc4c3ef672ecbd15427eda run #0: crashed: WARNING in nf_unregister_net_hook run #1: crashed: WARNING in nf_unregister_net_hook run #2: crashed: WARNING in nf_unregister_net_hook run #3: crashed: WARNING in nf_unregister_net_hook run #4: crashed: WARNING in nf_unregister_net_hook run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad a5af7e1fc69a46f29b977fd4b570e0ac414c2338 Bisecting: 4346 revisions left to test after this (roughly 12 steps) [d268dbe76a53d72cc41316eb59e7968db60e77ad] Merge tag 'pinctrl-v4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl testing commit d268dbe76a53d72cc41316eb59e7968db60e77ad with gcc (GCC) 5.5.0 kernel signature: 5ed44fc578aec34b446354d0046952e95a9f453545ef7040deaf94732992770b run #0: crashed: general protection fault in nf_unregister_net_hook run #1: crashed: general protection fault in nf_unregister_net_hook run #2: crashed: general protection fault in nf_unregister_net_hook run #3: crashed: general protection fault in nf_unregister_net_hook run #4: crashed: general protection fault in nf_unregister_net_hook run #5: crashed: general protection fault in batadv_iv_ogm_queue_add run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad d268dbe76a53d72cc41316eb59e7968db60e77ad Bisecting: 2170 revisions left to test after this (roughly 11 steps) [02bafd96f3a5d8e610b19033ffec55b92459aaae] Merge tag 'docs-4.9' of git://git.lwn.net/linux testing commit 02bafd96f3a5d8e610b19033ffec55b92459aaae with gcc (GCC) 5.5.0 kernel signature: 435b01f08aff1d02199b48a52893812a5fd421212bdaa9e22108fa651057ae15 run #0: basic kernel testing failed: failed to copy test 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" "-i" "/syzkaller/jobs/linux/workdir/image/key" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.125:./syz-execprog"]: exit status 1 Connection timed out during banner exchange lost connection 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 # git bisect good 02bafd96f3a5d8e610b19033ffec55b92459aaae Bisecting: 1051 revisions left to test after this (roughly 10 steps) [e812bd905a5cf00fea95da9df4889dad63d4a36a] Merge tag 'wireless-drivers-next-for-davem-2016-09-15' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next testing commit e812bd905a5cf00fea95da9df4889dad63d4a36a with gcc (GCC) 5.5.0 kernel signature: 40fc1a6b7d6a591e606f8ce10fbcedfa119d1516ae425349924c5d8ef98d73ec all runs: OK # git bisect good e812bd905a5cf00fea95da9df4889dad63d4a36a Bisecting: 525 revisions left to test after this (roughly 9 steps) [7a823471ad42cba6c3b658494d8437ca5c166292] igb: fix non static symbol warning testing commit 7a823471ad42cba6c3b658494d8437ca5c166292 with gcc (GCC) 5.5.0 kernel signature: 12ba9edbd9039162bd7a11a5997560d3cef31e2455e7cf89ba7a7e72b13b3eb3 run #0: crashed: general protection fault in nf_unregister_net_hook run #1: crashed: general protection fault in nf_unregister_net_hook run #2: crashed: KASAN: use-after-free Read in batadv_purge_outstanding_packets run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 7a823471ad42cba6c3b658494d8437ca5c166292 Bisecting: 262 revisions left to test after this (roughly 8 steps) [1fbafcb84747d0784fe928bedc4189f47d18ad8f] Merge branch 'vlan_act_modify' testing commit 1fbafcb84747d0784fe928bedc4189f47d18ad8f with gcc (GCC) 5.5.0 kernel signature: 7963442617888d8470400c11cf4bdb5a4abf9cbbd2590d085f10e316cd5def24 run #0: crashed: KASAN: use-after-free Read in batadv_iv_ogm_queue_add run #1: crashed: general protection fault in batadv_iv_ogm_queue_add run #2: crashed: KASAN: null-ptr-deref Read run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 1fbafcb84747d0784fe928bedc4189f47d18ad8f Bisecting: 131 revisions left to test after this (roughly 7 steps) [d0bef1d26fb6fdad818f3d15a178d51e2a8478ae] Bluetooth: Add extra channel checks for control open/close messages testing commit d0bef1d26fb6fdad818f3d15a178d51e2a8478ae with gcc (GCC) 5.5.0 kernel signature: 4632507094133b52c67c34b536bce06b492642914f169b6ffb5d13dd0ad7dc42 run #0: crashed: WARNING in nf_unregister_net_hook 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 # git bisect bad d0bef1d26fb6fdad818f3d15a178d51e2a8478ae Bisecting: 65 revisions left to test after this (roughly 6 steps) [e8bc8f9a670e26e91562e724a2114243898bd616] sctp: Remove some redundant code testing commit e8bc8f9a670e26e91562e724a2114243898bd616 with gcc (GCC) 5.5.0 kernel signature: 49f09abe0cc1e6a6ee90146b5a2713a4a7a6c177c1bd71275eb6b48e876285f9 run #0: crashed: WARNING in nf_unregister_net_hook 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 # git bisect bad e8bc8f9a670e26e91562e724a2114243898bd616 Bisecting: 33 revisions left to test after this (roughly 5 steps) [fbd05e4a6e82fd573d3aa79e284e424b8d78c149] cfg80211: add helper to find an IE that matches a byte-array testing commit fbd05e4a6e82fd573d3aa79e284e424b8d78c149 with gcc (GCC) 5.5.0 kernel signature: 4d578094de4504f6da771f17cbe474cedf53412da3ba8e1cc743f0cebe1a87a9 run #0: crashed: KASAN: null-ptr-deref Read 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 # git bisect bad fbd05e4a6e82fd573d3aa79e284e424b8d78c149 Bisecting: 15 revisions left to test after this (roughly 4 steps) [386b1f273850380a1887044673922843736c6d0a] nl80211: only allow WEP keys during connect command testing commit 386b1f273850380a1887044673922843736c6d0a with gcc (GCC) 5.5.0 kernel signature: b0417a83b39671e6c0dd2207961d99e0d025b279838a72ed56a40ba91d1c4504 all runs: OK # git bisect good 386b1f273850380a1887044673922843736c6d0a Bisecting: 7 revisions left to test after this (roughly 3 steps) [53b18980fded52e39520661af3528577d36eb279] nl80211: always check nla_put* return values testing commit 53b18980fded52e39520661af3528577d36eb279 with gcc (GCC) 5.5.0 kernel signature: 62ae90ca3c77911bb7ea78f4102fa76bd1f9c6b4d4a8ba94956faff3dac69057 all runs: OK # git bisect good 53b18980fded52e39520661af3528577d36eb279 Bisecting: 3 revisions left to test after this (roughly 2 steps) [e8a24cd4b87247beedb1addc7b683422092047e5] mac80211: allow driver to handle packet-loss mechanism testing commit e8a24cd4b87247beedb1addc7b683422092047e5 with gcc (GCC) 5.5.0 kernel signature: 830b36329989d4da5e41e52d7982759c998e296b40253c2380e3f0197e28d7d5 all runs: OK # git bisect good e8a24cd4b87247beedb1addc7b683422092047e5 Bisecting: 1 revision left to test after this (roughly 1 step) [c68df2e7be0c1238ea3c281fd744a204ef3b15a0] mac80211: allow using AP_LINK_PS with mac80211-generated TIM IE testing commit c68df2e7be0c1238ea3c281fd744a204ef3b15a0 with gcc (GCC) 5.5.0 kernel signature: 92e57f5e3ce0f53448b7f0d225f4ba1623f8f5cf4a7fcd3237bda67497bb3244 run #0: crashed: KASAN: use-after-free Read in br_multicast_group_expired run #1: crashed: general protection fault in batadv_iv_ogm_queue_add run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad c68df2e7be0c1238ea3c281fd744a204ef3b15a0 Bisecting: 0 revisions left to test after this (roughly 0 steps) [ec53c832ee90b86414ca243d0e6fdbb9cf5e413b] cfg80211: remove unnecessary pointer-of testing commit ec53c832ee90b86414ca243d0e6fdbb9cf5e413b with gcc (GCC) 5.5.0 kernel signature: 830b36329989d4da5e41e52d7982759c998e296b40253c2380e3f0197e28d7d5 all runs: OK # git bisect good ec53c832ee90b86414ca243d0e6fdbb9cf5e413b c68df2e7be0c1238ea3c281fd744a204ef3b15a0 is the first bad commit commit c68df2e7be0c1238ea3c281fd744a204ef3b15a0 Author: Emmanuel Grumbach Date: Thu Sep 15 16:30:02 2016 +0300 mac80211: allow using AP_LINK_PS with mac80211-generated TIM IE In 46fa38e84b65 ("mac80211: allow software PS-Poll/U-APSD with AP_LINK_PS"), Johannes allowed to use mac80211's code for handling stations that go to PS or send PS-Poll / uAPSD trigger frames for devices that enable RSS. This means that mac80211 doesn't look at frames anymore but rather relies on a notification that will come from the device when a PS transition occurs or when a PS-Poll / trigger frame is detected by the device. iwlwifi will need this capability but still needs mac80211 to take care of the TIM IE. Today, if a driver sets AP_LINK_PS, mac80211 will not update the TIM IE. Change mac80211 to check existence of the set_tim driver callback rather than using AP_LINK_PS to decide if the driver handles the TIM IE internally or not. Signed-off-by: Emmanuel Grumbach Signed-off-by: Luca Coelho [reword commit message a bit] Signed-off-by: Johannes Berg net/mac80211/sta_info.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) culprit signature: 92e57f5e3ce0f53448b7f0d225f4ba1623f8f5cf4a7fcd3237bda67497bb3244 parent signature: 830b36329989d4da5e41e52d7982759c998e296b40253c2380e3f0197e28d7d5 revisions tested: 38, total time: 7h25m30.912666468s (build: 2h42m41.825570001s, test: 4h38m24.256539436s) first bad commit: c68df2e7be0c1238ea3c281fd744a204ef3b15a0 mac80211: allow using AP_LINK_PS with mac80211-generated TIM IE recipients (to): ["emmanuel.grumbach@intel.com" "johannes.berg@intel.com" "luciano.coelho@intel.com"] recipients (cc): [] crash: general protection fault in batadv_iv_ogm_queue_add batman_adv: batadv0: Removing interface: batadv_slave_0 kasan: CONFIG_KASAN_INLINE enabled batman_adv: batadv0: Interface deactivated: batadv_slave_1 batman_adv: batadv0: Removing interface: batadv_slave_1 kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 3194 Comm: kworker/u4:5 Not tainted 4.8.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet task: ffff880132fde000 task.stack: ffff880132f90000 RIP: 0010:[] [] batadv_iv_ogm_queue_add+0x2f/0xf50 net/batman-adv/bat_iv_ogm.c:780 RSP: 0018:ffff880132f97a78 EFLAGS: 00010296 RAX: dffffc0000000000 RBX: ffff880128d10780 RCX: ffff880128d10780 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: ffff880132f97b18 R08: ffff880128d10780 R09: 0000000000000001 R10: ffff880132fde860 R11: ffff880132fde000 R12: 000000000000003c R13: 0000000000000000 R14: ffff880128d10780 R15: ffff88011bd10ac0 FS: 0000000000000000(0000) GS:ffff88013bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a03bb220b0 CR3: 00000001391d4000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 0000000000000000 0000000000000000 0000000000000002 0000000000000000 ffff880132f97b18 0000000000000282 0000000000000000 ffffffff8661c0fd ffff880100000000 00000000000003d4 00000001000040f6 ffff88011bd10000 Call Trace: [] batadv_iv_ogm_schedule+0x95e/0xcc0 net/batman-adv/bat_iv_ogm.c:984 [] batadv_iv_send_outstanding_bat_ogm_packet+0x4fa/0x8b0 net/batman-adv/bat_iv_ogm.c:1810 [] process_one_work+0x67d/0x14f0 kernel/workqueue.c:2096 [] worker_thread+0xda/0xf10 kernel/workqueue.c:2230 [] kthread+0x209/0x2d0 kernel/kthread.c:209 [] ret_from_fork+0x1f/0x40 arch/x86/entry/entry_64.S:393 Code: 00 00 00 fc ff df 55 48 89 e5 41 57 49 89 ff 48 8d 7e 03 41 56 41 55 49 89 f5 41 54 41 89 d4 48 89 fa 48 c1 ea 03 53 48 83 ec 78 <0f> b6 04 02 48 89 fa 48 89 4d a8 83 e2 07 4c 89 45 b8 44 89 4d RIP [] batadv_iv_ogm_queue_add+0x2f/0xf50 net/batman-adv/bat_iv_ogm.c:769 RSP ---[ end trace 01c218cdea9a0be0 ]---