bisecting cause commit starting from 73b7a6047971aa6ce4a70fc4901964d14f077171 building syzkaller on 2c1f2513486f21d26b1942ce77ffc782677fbf4e testing commit 73b7a6047971aa6ce4a70fc4901964d14f077171 with gcc (GCC) 8.1.0 kernel signature: 9068480ce20addbee538560ea45824337370d2053e3c44c4ad0cd6b7cbfedfee all runs: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb testing release v5.10 testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 with gcc (GCC) 8.1.0 kernel signature: 395a614079c9030036488f72c030c4708fae86b9aba956ca15d15003efd3a593 all runs: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb testing release v5.9 testing commit bbf5c979011a099af5dc76498918ed7df445635b with gcc (GCC) 8.1.0 kernel signature: 267e4e72ea6151d6ca484a7d3cc70be89ff7365b860f2a296ca76a677664b0bf run #0: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #1: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #2: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #3: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #4: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #5: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #6: crashed: WARNING: refcount bug in l2cap_chan_timeout run #7: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #8: crashed: WARNING: locking bug in l2cap_sock_teardown_cb run #9: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0 kernel signature: e1b748eb2406e6b7622d3ac2ddd4d5444e7de9e64fd85ab34f83bf371b1755d5 run #0: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #1: crashed: BUG: unable to handle kernel paging request in lock_sock_nested run #2: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #3: crashed: BUG: unable to handle kernel paging request in lock_sock_nested run #4: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #5: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #6: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #7: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #8: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #9: crashed: WARNING: refcount bug in l2cap_chan_timeout testing release v5.7 testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162 with gcc (GCC) 8.1.0 kernel signature: 47862bb6707373f5ffcdd61ba6af4294f0c423a6cb2ee4daa5590631048de304 run #0: crashed: KASAN: use-after-free Read in lock_sock_nested run #1: crashed: KASAN: use-after-free Read in lock_sock_nested run #2: crashed: KASAN: use-after-free Read in lock_sock_nested run #3: crashed: KASAN: use-after-free Read in lock_sock_nested run #4: crashed: KASAN: use-after-free Read in lock_sock_nested run #5: crashed: KASAN: use-after-free Read in lock_sock_nested run #6: crashed: KASAN: use-after-free Read in lock_sock_nested run #7: crashed: KASAN: use-after-free Read in lock_sock_nested run #8: crashed: KASAN: use-after-free Read in lock_sock_nested run #9: boot failed: can't ssh into the instance testing release v5.6 testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48 with gcc (GCC) 8.1.0 kernel signature: 61d2f47e590b5f5b9af99913aeee4a183890a5a3a42d33ead5af338d6fce77b0 all runs: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v5.5 testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755 with gcc (GCC) 8.1.0 kernel signature: c02e30c85a426c1e8f9c3abeaf54f05a4c728b21f645f4db12a4be37adab4f4f run #0: crashed: KASAN: use-after-free Read in lock_sock_nested run #1: crashed: KASAN: use-after-free Read in lock_sock_nested run #2: crashed: KASAN: use-after-free Read in lock_sock_nested run #3: crashed: KASAN: use-after-free Read in lock_sock_nested run #4: crashed: KASAN: use-after-free Read in lock_sock_nested run #5: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #6: crashed: KASAN: use-after-free Read in lock_sock_nested run #7: crashed: KASAN: use-after-free Read in lock_sock_nested run #8: crashed: KASAN: use-after-free Read in lock_sock_nested run #9: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0 kernel signature: 418d776f3a3a1cc9254eb5d6ca3b32cfdd18be0b9d67b015b468405fb2daecff run #0: crashed: KASAN: use-after-free Read in lock_sock_nested run #1: crashed: KASAN: use-after-free Read in lock_sock_nested run #2: crashed: KASAN: use-after-free Read in lock_sock_nested run #3: crashed: KASAN: use-after-free Read in lock_sock_nested run #4: crashed: KASAN: use-after-free Read in lock_sock_nested run #5: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #6: crashed: KASAN: use-after-free Read in lock_sock_nested run #7: crashed: KASAN: use-after-free Read in lock_sock_nested run #8: crashed: KASAN: slab-out-of-bounds Read in lock_sock_nested run #9: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0 kernel signature: e249628c1ee34f77f2aa319be282abb58f3d9140778e2d153979f2cd76c9b777 all runs: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0 kernel signature: a6a68d9583d3a8125b02c95fc9622169e78400904b09f46799b9f3c98b341f31 all runs: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0 kernel signature: f8444d7f606701f2cba2c2b1e79ec64e2e00a9604951e8f29c97fd39394d2e63 run #0: crashed: KASAN: use-after-free Read in lock_sock_nested run #1: crashed: KASAN: use-after-free Read in lock_sock_nested run #2: crashed: KASAN: use-after-free Read in lock_sock_nested run #3: crashed: KASAN: use-after-free Read in lock_sock_nested run #4: crashed: KASAN: use-after-free Read in lock_sock_nested run #5: crashed: KASAN: slab-out-of-bounds Read in lock_sock_nested run #6: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #7: crashed: KASAN: use-after-free Read in lock_sock_nested run #8: crashed: KASAN: use-after-free Read in lock_sock_nested run #9: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0 kernel signature: d1de21bb044e544efe5b0b18676c1120101c7d2ac339371f47a9b257538ce7cb run #0: crashed: KASAN: use-after-free Read in lock_sock_nested run #1: crashed: KASAN: use-after-free Read in lock_sock_nested run #2: crashed: KASAN: use-after-free Read in lock_sock_nested run #3: crashed: KASAN: use-after-free Read in lock_sock_nested run #4: crashed: KASAN: slab-out-of-bounds Read in lock_sock_nested run #5: crashed: KASAN: use-after-free Read in lock_sock_nested run #6: crashed: KASAN: use-after-free Read in lock_sock_nested run #7: crashed: KASAN: slab-out-of-bounds Read in lock_sock_nested run #8: crashed: KASAN: use-after-free Read in lock_sock_nested run #9: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 kernel signature: 0784c2dcbdcc32e1b7ebd590a2f264f31ae5bb786f0a12d108ebae4805f3092e all runs: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 kernel signature: dc901e597a037f471da2a7aeffda513f7701f41b50f6a72065def394e09a6e19 all runs: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 kernel signature: 9d3deb2a7fa5e0f809724fe05ccfa034971002263a04819e357ac93c8cd935dc all runs: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 kernel signature: 482d29ad8ea470f701c5a5b3b97709a7a1a48ac13e3a0216ac2558afe4fe7813 all runs: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0 kernel signature: c077962017b5992464004abca3b781f311297e084ae7632ecb7f97a5fb838439 all runs: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0 kernel signature: 96ec802eda8233a08e5b4c0527477a9774dbc66c42b4e31ea0db227b0d85fd4b all runs: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0 kernel signature: f64c9572e6e2cdfa22afc36800228d4d616f962840fac6fd9bf3535ec79705b7 all runs: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v4.13 testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0 kernel signature: fcd3ce0faa7082cced3f02a8b85e08dad61c8fded2a91b88552c48c8e7543a20 run #0: crashed: KASAN: use-after-free Read in lock_sock_nested run #1: crashed: KASAN: use-after-free Read in lock_sock_nested run #2: crashed: KASAN: use-after-free Read in lock_sock_nested run #3: crashed: KASAN: use-after-free Read in lock_sock_nested run #4: crashed: KASAN: use-after-free Read in lock_sock_nested run #5: crashed: KASAN: use-after-free Read in lock_sock_nested run #6: crashed: INFO: trying to register non-static key in l2cap_sock_teardown_cb run #7: crashed: KASAN: use-after-free Read in lock_sock_nested run #8: crashed: KASAN: use-after-free Read in lock_sock_nested run #9: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v4.12 testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0 kernel signature: 09a792e5512b240a8d23d370cd71adaedd895d4586b3571a01d21e41fa0dff52 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: 3bf34721d59143e37a0a4f4bf670c3326a55794b5e141c455c64b80478229842 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: 378dde5f9fb4288e90efd5e4dc89cd906dd8342c22160ab6ff6348ddf91a5d87 all runs: crashed: KASAN: use-after-free Read in lock_sock_nested testing release v4.9 testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0 kernel signature: 0d16acc9003848453aaee15907954d424a3feb71ce5d4cc57e84ee6d44ae8397 run #0: OK 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: crashed: WARNING in nf_unregister_net_hook reproducer seems to be flaky testing release v4.8 testing commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 with gcc (GCC) 5.5.0 kernel signature: ec1eefb3ba5d810cefe3061b62902f1ab7d5b4c5da8c791be466e1a2493dc49f 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: 277cece76beef2b1220996ece7f64455153f0a49ebc60287433c24e52a6991dc run #0: OK 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: crashed: WARNING in nf_unregister_net_hook # 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: e09ed7befd305e92df490f04c2017e7a1d109d1934f6530f61c446bc699abad9 run #0: OK 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: crashed: general protection fault in nf_unregister_net_hook # 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: 4b48c5f24813c58fae44db782fc44a927041f0f4f59dc2508874fbdf1dbe41f6 all runs: 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: 647ac2cdea1254aa00feb79824394e4833ee2357cf41abebd1798e5249723041 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: 01fe92cd9b3c51b2043458e377a2499ef611207c2960a752df1aad8afdc54f33 all runs: OK # git bisect good 7a823471ad42cba6c3b658494d8437ca5c166292 Bisecting: 279 revisions left to test after this (roughly 8 steps) [03a1eabc3f54469abd4f1784182851b2e29630cc] Merge branch 'mlxsw-fixes' testing commit 03a1eabc3f54469abd4f1784182851b2e29630cc with gcc (GCC) 5.5.0 kernel signature: 552e51347266f104b8db77556b062b1834af28bf2fee3c04eaf85dd51cfc7a14 all runs: OK # git bisect good 03a1eabc3f54469abd4f1784182851b2e29630cc Bisecting: 150 revisions left to test after this (roughly 7 steps) [edadd0e5a7f9970553423ebd08172c9e3d1fb189] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse testing commit edadd0e5a7f9970553423ebd08172c9e3d1fb189 with gcc (GCC) 5.5.0 kernel signature: ae7b2c25123432d2fb8b34c95867853cea1a6f7abacf8f8dfd61fc75078e26de run #0: OK 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: crashed: general protection fault in nf_unregister_net_hook # git bisect bad edadd0e5a7f9970553423ebd08172c9e3d1fb189 Bisecting: 75 revisions left to test after this (roughly 6 steps) [3cd013ab79e8e5c58fbd50fc09fceb6260a92a68] Merge branch 'stable-4.9' of git://git.infradead.org/users/pcmoore/audit testing commit 3cd013ab79e8e5c58fbd50fc09fceb6260a92a68 with gcc (GCC) 5.5.0 kernel signature: 89e9952b40c3956abb986f28a78db9d97d0c121c3eb343aadecf1b50bd7767db all runs: OK # git bisect good 3cd013ab79e8e5c58fbd50fc09fceb6260a92a68 Bisecting: 31 revisions left to test after this (roughly 5 steps) [de2f4b3453d29934ceb41eccebd55ab087e17d6c] Merge branch 'stable-4.9' of git://git.infradead.org/users/pcmoore/selinux into next testing commit de2f4b3453d29934ceb41eccebd55ab087e17d6c with gcc (GCC) 5.5.0 kernel signature: aef2b05848e7c0ff14e0e7f61c04be4d0a61b397a54d744f680afe2e66889d7c all runs: OK # git bisect good de2f4b3453d29934ceb41eccebd55ab087e17d6c Bisecting: 13 revisions left to test after this (roughly 4 steps) [3fb75cb80d55d4b168e1e3250a01a548b1357148] Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs testing commit 3fb75cb80d55d4b168e1e3250a01a548b1357148 with gcc (GCC) 5.5.0 kernel signature: 4956712c7f3a4967bb64b3e0e07ce2299a03841ed90c03301145e4c528d2ad07 all runs: OK # git bisect good 3fb75cb80d55d4b168e1e3250a01a548b1357148 Bisecting: 6 revisions left to test after this (roughly 3 steps) [f75fdf22b0a84702d1b72fc1ccd53dcdde121c16] fuse: don't use ->d_time testing commit f75fdf22b0a84702d1b72fc1ccd53dcdde121c16 with gcc (GCC) 5.5.0 kernel signature: 35a650eb0c502a429e4b9540fd8cc4b519ac4deafcba00f496de2f7368aa3441 all runs: OK # git bisect good f75fdf22b0a84702d1b72fc1ccd53dcdde121c16 Bisecting: 3 revisions left to test after this (roughly 2 steps) [3daa9c51651f2631be373840db0f82a8efb1c63d] fuse_ioctl_copy_user(): don't open-code copy_page_{to,from}_iter() testing commit 3daa9c51651f2631be373840db0f82a8efb1c63d with gcc (GCC) 5.5.0 kernel signature: 3574fe86131e4b3b562cf795b739c31b6d41d6eb80ead80e2a5c9e24fdb846b9 all runs: OK # git bisect good 3daa9c51651f2631be373840db0f82a8efb1c63d Bisecting: 1 revision left to test after this (roughly 1 step) [4680a7ee5db27772af40d83393fa0fb955b745b7] fuse: remove duplicate cs->offset assignment testing commit 4680a7ee5db27772af40d83393fa0fb955b745b7 with gcc (GCC) 5.5.0 kernel signature: 532446363b2f369841fe158f01f216283e1ff087a9dc52a49aa13feab0e3e5af run #0: OK run #1: OK run #2: OK run #3: OK run #4: OK 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 4680a7ee5db27772af40d83393fa0fb955b745b7 Bisecting: 0 revisions left to test after this (roughly 0 steps) [acbe5fda1fc05dc2e1e179b90c0879a5cfbf87b0] fuse: don't use fuse_ioctl_copy_user() helper testing commit acbe5fda1fc05dc2e1e179b90c0879a5cfbf87b0 with gcc (GCC) 5.5.0 kernel signature: 54957760fab080152a6918fcfa3d32966051b201816f87e19ad9325b69e0596b all runs: OK # git bisect good acbe5fda1fc05dc2e1e179b90c0879a5cfbf87b0 4680a7ee5db27772af40d83393fa0fb955b745b7 is the first bad commit commit 4680a7ee5db27772af40d83393fa0fb955b745b7 Author: Miklos Szeredi Date: Sat Oct 1 07:32:33 2016 +0200 fuse: remove duplicate cs->offset assignment Signed-off-by: Miklos Szeredi fs/fuse/dev.c | 1 - 1 file changed, 1 deletion(-) culprit signature: 532446363b2f369841fe158f01f216283e1ff087a9dc52a49aa13feab0e3e5af parent signature: 54957760fab080152a6918fcfa3d32966051b201816f87e19ad9325b69e0596b Reproducer flagged being flaky revisions tested: 39, total time: 6h45m3.975340877s (build: 2h55m43.717663595s, test: 3h44m42.277036579s) first bad commit: 4680a7ee5db27772af40d83393fa0fb955b745b7 fuse: remove duplicate cs->offset assignment recipients (to): ["linux-fsdevel@vger.kernel.org" "miklos@szeredi.hu" "mszeredi@redhat.com"] recipients (cc): ["linux-kernel@vger.kernel.org"] crash: general protection fault in batadv_iv_ogm_queue_add 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: 0 PID: 28156 Comm: kworker/u4:0 Not tainted 4.8.0-rc8-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: ffff88013ab40000 task.stack: ffff880128838000 RIP: 0010:[] [] batadv_iv_ogm_queue_add+0x2f/0x1150 net/batman-adv/bat_iv_ogm.c:800 RSP: 0018:ffff88012883fa58 EFLAGS: 00010292 RAX: dffffc0000000000 RBX: ffff88012771cf00 RCX: ffff88012771cf00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: ffff88012883faf8 R08: ffff88012771cf00 R09: 0000000000000001 R10: ffff88013ab40860 R11: ffff88013ab40000 R12: 000000000000003c R13: 0000000000000000 R14: ffff88012771cf00 R15: ffff880139a34c40 FS: 0000000000000000(0000) GS:ffff88013bc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8248036028 CR3: 000000012eaee000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 0000000000000000 0000000000000000 0000000000000002 0000000000000000 ffff88012883faf8 0000000000000282 0000000000000000 ffffffff86599acd ffff880100000000 00000000000003d4 00000001000029a3 ffff88012286f780 Call Trace: [] batadv_iv_ogm_schedule+0x95e/0xcc0 net/batman-adv/bat_iv_ogm.c:1004 [] batadv_iv_send_outstanding_bat_ogm_packet+0x2d0/0xbe0 net/batman-adv/bat_iv_ogm.c:1830 [] 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/0x1150 net/batman-adv/bat_iv_ogm.c:789 RSP ---[ end trace 3f6e63096a174a2e ]---