bisecting cause commit starting from 6c09d7dbb7d366122d0218bc7487e0a1e6cca6ed building syzkaller on 4c04afaa19a16e90d8b495cc3795fd4ed21df4df testing commit 6c09d7dbb7d366122d0218bc7487e0a1e6cca6ed with gcc (GCC) 8.1.0 kernel signature: 3922c528ff358453f9b7247cea55ecfe5cf4a186 run #0: crashed: WARNING: locking bug in finish_task_switch run #1: crashed: WARNING: locking bug in finish_task_switch run #2: crashed: WARNING: locking bug in finish_task_switch run #3: crashed: WARNING: locking bug in finish_task_switch run #4: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! run #5: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! run #6: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! run #7: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! run #8: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! run #9: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! testing release v5.4 testing commit 219d54332a09e8d8741c1e1982f5eae56099de85 with gcc (GCC) 8.1.0 kernel signature: c1532411d2380f104056fe1ddffd93cc16e1918f run #0: crashed: WARNING: locking bug in finish_task_switch run #1: crashed: WARNING: locking bug in finish_task_switch run #2: crashed: WARNING: locking bug in finish_task_switch run #3: crashed: WARNING: locking bug in finish_task_switch run #4: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! run #5: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! run #6: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! run #7: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! run #8: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! run #9: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! testing release v5.3 testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8 with gcc (GCC) 8.1.0 kernel signature: e1add476a162042c8f07da9dc987935c666bb46f all runs: crashed: KASAN: use-after-free Write in hci_sock_bind testing release v5.2 testing commit 0ecfebd2b52404ae0c54a878c872bb93363ada36 with gcc (GCC) 8.1.0 kernel signature: 80c998f6e58adb817752ed44994500c64d8b1834 run #0: crashed: WARNING in kernfs_get run #1: crashed: WARNING in hci_unregister_dev run #2: crashed: WARNING in kernfs_get run #3: crashed: WARNING in kernfs_get run #4: crashed: WARNING in kernfs_get run #5: crashed: general protection fault in kernfs_add_one run #6: crashed: general protection fault in rb_erase run #7: crashed: general protection fault in kernfs_add_one run #8: crashed: WARNING in kernfs_get run #9: crashed: WARNING in kernfs_get testing release v5.1 testing commit e93c9c99a629c61837d5a7fc2120cd2b6c70dbdd with gcc (GCC) 8.1.0 kernel signature: 8f747034f2e2277c41dc7e92c043455591b950e6 run #0: crashed: WARNING: locking bug in finish_task_switch run #1: crashed: WARNING in kernfs_get run #2: crashed: WARNING in kernfs_get run #3: crashed: WARNING in kernfs_get run #4: crashed: WARNING in kernfs_get run #5: crashed: WARNING in rfkill_unregister run #6: crashed: WARNING in kernfs_get run #7: crashed: WARNING in kernfs_get run #8: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! run #9: crashed: BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! testing release v5.0 testing commit 1c163f4c7b3f621efff9b28a47abb36f7378d783 with gcc (GCC) 8.1.0 kernel signature: 95b39cfe504afd0a5d295591465d6dc29deabe8f run #0: crashed: WARNING in kernfs_get run #1: crashed: WARNING in kernfs_get run #2: crashed: WARNING in kernfs_get run #3: crashed: KASAN: use-after-free Write in hci_sock_bind run #4: crashed: WARNING in kernfs_get run #5: crashed: KASAN: use-after-free Read in put_device run #6: crashed: WARNING in kernfs_get run #7: crashed: KASAN: use-after-free Write in hci_sock_bind run #8: crashed: WARNING in rfkill_unregister run #9: crashed: WARNING in kernfs_get testing release v4.20 testing commit 8fe28cb58bcb235034b64cbbb7550a8a43fd88be with gcc (GCC) 8.1.0 kernel signature: 7afa50fe2c9782e7ce61fd300f5ee7d86b6d9ac0 run #0: crashed: WARNING in kernfs_get run #1: crashed: KASAN: use-after-free Read in put_device run #2: crashed: WARNING in kernfs_get run #3: crashed: general protection fault in kernfs_add_one run #4: crashed: WARNING in kernfs_get run #5: crashed: WARNING in rfkill_unregister run #6: crashed: WARNING in kernfs_get run #7: crashed: WARNING in kernfs_get run #8: crashed: KASAN: use-after-free Write in hci_sock_bind run #9: crashed: WARNING in hci_unregister_dev testing release v4.19 testing commit 84df9525b0c27f3ebc2ebb1864fa62a97fdedb7d with gcc (GCC) 8.1.0 kernel signature: 8cbdffb226bc4663c6eb07a2ed26b6f5daa9f189 run #0: crashed: general protection fault in kernfs_add_one run #1: crashed: WARNING in rfkill_unregister run #2: crashed: WARNING in kernfs_get run #3: crashed: general protection fault in kernfs_add_one run #4: crashed: KASAN: use-after-free Write in hci_sock_bind run #5: crashed: WARNING in kernfs_get run #6: crashed: WARNING in kernfs_get run #7: crashed: WARNING in kernfs_get run #8: crashed: WARNING in kernfs_get run #9: crashed: WARNING in kernfs_get testing release v4.18 testing commit 94710cac0ef4ee177a63b5227664b38c95bbf703 with gcc (GCC) 8.1.0 kernel signature: a6a5f182f850bc69419ab2f905419f47ddaf32ec run #0: crashed: KASAN: use-after-free Write in hci_sock_bind run #1: crashed: KASAN: use-after-free Write in hci_sock_bind run #2: crashed: KASAN: use-after-free Read in put_device run #3: crashed: KASAN: use-after-free Read in hci_dev_do_close run #4: crashed: KASAN: use-after-free Write in hci_sock_bind run #5: crashed: KASAN: use-after-free Write in hci_sock_bind run #6: crashed: KASAN: use-after-free Read in put_device run #7: crashed: KASAN: use-after-free Read in hci_dev_do_close run #8: crashed: KASAN: use-after-free Read in put_device run #9: crashed: KASAN: use-after-free Read in put_device testing release v4.17 testing commit 29dcea88779c856c7dc92040a0c01233263101d4 with gcc (GCC) 8.1.0 kernel signature: 06c01144aff97e68a65ed755c9aa3f984752442d run #0: crashed: KASAN: use-after-free Read in put_device run #1: crashed: KASAN: use-after-free Write in hci_sock_bind run #2: crashed: KASAN: use-after-free Read in put_device run #3: crashed: KASAN: use-after-free Write in hci_sock_bind run #4: crashed: KASAN: use-after-free Read in hci_dev_do_close run #5: crashed: KASAN: use-after-free Write in hci_sock_bind run #6: crashed: KASAN: use-after-free Read in put_device run #7: crashed: KASAN: use-after-free Read in hci_dev_do_close run #8: crashed: KASAN: use-after-free Write in hci_sock_bind run #9: crashed: KASAN: use-after-free Write in hci_sock_bind testing release v4.16 testing commit 0adb32858b0bddf4ada5f364a84ed60b196dbcda with gcc (GCC) 8.1.0 kernel signature: 918035175e9d63ebe09e2d10fe6a3dd08a4c4fc2 run #0: crashed: KASAN: use-after-free Read in put_device run #1: crashed: KASAN: use-after-free Read in put_device run #2: crashed: KASAN: use-after-free Read in put_device run #3: crashed: KASAN: use-after-free Read in put_device run #4: crashed: KASAN: use-after-free Read in put_device run #5: crashed: KASAN: use-after-free Read in hci_dev_do_close run #6: crashed: KASAN: use-after-free Read in put_device run #7: crashed: KASAN: use-after-free Read in hci_dev_do_close run #8: crashed: KASAN: use-after-free Read in hci_dev_do_close run #9: crashed: KASAN: use-after-free Read in put_device testing release v4.15 testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0 kernel signature: 3bedffb007f3909da768a0b0ae2f7133a6abfb08 run #0: crashed: KASAN: use-after-free Read in put_device run #1: crashed: KASAN: use-after-free Read in put_device run #2: crashed: KASAN: use-after-free Read in put_device run #3: crashed: KASAN: use-after-free Read in put_device run #4: crashed: KASAN: use-after-free Read in put_device run #5: crashed: KASAN: use-after-free Read in put_device run #6: crashed: KASAN: use-after-free Read in put_device run #7: crashed: KASAN: use-after-free Read in hci_dev_do_close run #8: OK run #9: crashed: KASAN: use-after-free Read in put_device testing release v4.14 testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0 kernel signature: 9ab3ae1a888c08952c94726126ee8357eddc5b80 run #0: crashed: KASAN: use-after-free Read in put_device run #1: crashed: KASAN: use-after-free Read in hci_dev_do_close run #2: crashed: KASAN: use-after-free Read in put_device run #3: crashed: KASAN: use-after-free Read in put_device run #4: crashed: KASAN: use-after-free Read in put_device run #5: crashed: KASAN: use-after-free Read in put_device run #6: crashed: KASAN: use-after-free Read in put_device run #7: crashed: KASAN: use-after-free Read in put_device run #8: crashed: KASAN: use-after-free Read in put_device run #9: crashed: KASAN: use-after-free Read in hci_dev_do_close testing release v4.13 testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0 kernel signature: a546cf73daaf2fcea9e1a8de5f40bb338faff19a all runs: crashed: KASAN: use-after-free Read in put_device testing release v4.12 testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0 kernel signature: ad6702bb721dc514616a5c368da867d593787844 all runs: crashed: KASAN: use-after-free Read in put_device testing release v4.11 testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 with gcc (GCC) 7.3.0 kernel signature: 0d0ac1ad98e87871b35b36700f8476931a5d1084 all runs: crashed: KASAN: use-after-free Read in put_device testing release v4.10 testing commit c470abd4fde40ea6a0846a2beab642a578c0b8cd with gcc (GCC) 5.5.0 kernel signature: 1ea26899f64916318af88b6471bc7862d628e660 all runs: crashed: KASAN: use-after-free Read in put_device testing release v4.9 testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0 kernel signature: c5bd4a5056ad9e3bcb30844404b30ae6bf284316 all runs: OK # git bisect start c470abd4fde40ea6a0846a2beab642a578c0b8cd 69973b830859bc6529a7a0468ba0d80ee5117826 Bisecting: 7099 revisions left to test after this (roughly 13 steps) [f4000cd99750065d5177555c0a805c97174d1b9f] Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux testing commit f4000cd99750065d5177555c0a805c97174d1b9f with gcc (GCC) 5.5.0 kernel signature: b114fc5c03892fe9d499a9c9096dfcbf9b18fd5e all runs: boot failed: can't ssh into the instance # git bisect skip f4000cd99750065d5177555c0a805c97174d1b9f Bisecting: 7099 revisions left to test after this (roughly 13 steps) [ab1effc09519f3bb4b84dd6d8276cedf07b17a1b] staging: ks7010: Add blank line after declarations testing commit ab1effc09519f3bb4b84dd6d8276cedf07b17a1b with gcc (GCC) 5.5.0 kernel signature: 889ba53af65102bd586effb8faafb88f1cd9ef03 all runs: OK # git bisect good ab1effc09519f3bb4b84dd6d8276cedf07b17a1b Bisecting: 7022 revisions left to test after this (roughly 13 steps) [09cb6464fe5e7fcd5177911429badd139c4481b7] Merge tag 'for-f2fs-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs testing commit 09cb6464fe5e7fcd5177911429badd139c4481b7 with gcc (GCC) 5.5.0 kernel signature: 399f0e3b3914cb3c3ad3a4c812ff6c8f0b51d2cd run #0: basic kernel testing failed: failed to copy test binary to VM: timedout ["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-fuzzer" "root@10.128.0.253:./syz-fuzzer"] run #1: boot failed: can't ssh into the instance run #2: boot failed: can't ssh into the instance run #3: boot failed: can't ssh into the instance run #4: boot failed: can't ssh into the instance run #5: boot failed: can't ssh into the instance run #6: boot failed: can't ssh into the instance run #7: boot failed: can't ssh into the instance run #8: boot failed: can't ssh into the instance run #9: boot failed: can't ssh into the instance # git bisect skip 09cb6464fe5e7fcd5177911429badd139c4481b7 Bisecting: 7022 revisions left to test after this (roughly 13 steps) [68226b4dfa9b2e064e2f9e792bf7469f465054c7] [media] dvb-tc90522: Rename a jump label in tc90522_probe() testing commit 68226b4dfa9b2e064e2f9e792bf7469f465054c7 with gcc (GCC) 5.5.0 kernel signature: a4166f73df5a75a558679f39f05bff3309cb6224 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 68226b4dfa9b2e064e2f9e792bf7469f465054c7 Bisecting: 94 revisions left to test after this (roughly 7 steps) [988fcf0c0ea694f6e6ba00fc9eb1c6a2e72edfe8] [media] Add documentation for V4L2_PIX_FMT_VP9 testing commit 988fcf0c0ea694f6e6ba00fc9eb1c6a2e72edfe8 with gcc (GCC) 5.5.0 kernel signature: 35d4eeee2a9e95f11767996b9b7cd7b1a832f888 run #0: crashed: WARNING in nf_unregister_net_hook run #1: crashed: WARNING in nf_unregister_net_hook 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 988fcf0c0ea694f6e6ba00fc9eb1c6a2e72edfe8 Bisecting: 46 revisions left to test after this (roughly 6 steps) [57425dc76d8174e7bfe94a11d089d3feeebb474c] [media] exynos4-is: don't break long lines testing commit 57425dc76d8174e7bfe94a11d089d3feeebb474c with gcc (GCC) 5.5.0 kernel signature: b3859600542dacd3301249d75aeda29382625a1d all runs: OK # git bisect good 57425dc76d8174e7bfe94a11d089d3feeebb474c Bisecting: 23 revisions left to test after this (roughly 5 steps) [68616504573945c24fe8f21466967b0d8a5cabf0] [media] tm6000: don't break long lines testing commit 68616504573945c24fe8f21466967b0d8a5cabf0 with gcc (GCC) 5.5.0 kernel signature: 6eea81e833cf6b73b0fb136f89d3c6cc2fc10175 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 68616504573945c24fe8f21466967b0d8a5cabf0 Bisecting: 11 revisions left to test after this (roughly 4 steps) [4a58d39075e1e2bc5ca8b379278659d95f072363] [media] b2c2: don't break long lines testing commit 4a58d39075e1e2bc5ca8b379278659d95f072363 with gcc (GCC) 5.5.0 kernel signature: 05afc2a508dd6e22975a70a60e18766411d08e36 run #0: crashed: WARNING in nf_unregister_net_hook run #1: crashed: WARNING in nf_unregister_net_hook 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 4a58d39075e1e2bc5ca8b379278659d95f072363 Bisecting: 4 revisions left to test after this (roughly 3 steps) [637d5ac51380b7021c711e183052b81afb89d160] [media] ti-vpe: don't break long lines testing commit 637d5ac51380b7021c711e183052b81afb89d160 with gcc (GCC) 5.5.0 kernel signature: c5f2d3fa284c9a2ad99e55ab54f4c3d726cfded4 run #0: crashed: WARNING in nf_unregister_net_hook run #1: crashed: WARNING in nf_unregister_net_hook run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: boot failed: can't ssh into the instance # git bisect bad 637d5ac51380b7021c711e183052b81afb89d160 Bisecting: 2 revisions left to test after this (roughly 2 steps) [d26da99058869a5a655820ea43b86f246bf6874a] [media] omap3isp: don't break long lines testing commit d26da99058869a5a655820ea43b86f246bf6874a with gcc (GCC) 5.5.0 kernel signature: 50c969b7fa72b9786763f3a193d34b985d957b6b 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/workdir/repro.prog" "root@10.128.1.35:./repro.prog"]: exit status 1 Warning: Permanently added '10.128.1.35' (ECDSA) to the list of known hosts. /syzkaller/jobs/linux/workdir/repro.prog: Broken pipe 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 d26da99058869a5a655820ea43b86f246bf6874a Bisecting: 0 revisions left to test after this (roughly 1 step) [7152c88e556bcbee525689063c260cd296f295a8] [media] c8sectpfe: don't break long lines testing commit 7152c88e556bcbee525689063c260cd296f295a8 with gcc (GCC) 5.5.0 kernel signature: 74d05a7866739956c5e52e6fd6eb13a93ddf7ffc 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: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect bad 7152c88e556bcbee525689063c260cd296f295a8 Bisecting: 0 revisions left to test after this (roughly 0 steps) [c12a5cc61637e8aa87db591be9b1d6dba3f15616] [media] s5p-mfc: don't break long lines testing commit c12a5cc61637e8aa87db591be9b1d6dba3f15616 with gcc (GCC) 5.5.0 kernel signature: 77f42fb3596da423eb6fd07444a98ad806ed38f2 all runs: OK # git bisect good c12a5cc61637e8aa87db591be9b1d6dba3f15616 7152c88e556bcbee525689063c260cd296f295a8 is the first bad commit commit 7152c88e556bcbee525689063c260cd296f295a8 Author: Mauro Carvalho Chehab Date: Tue Oct 18 17:44:11 2016 -0200 [media] c8sectpfe: don't break long lines Due to the 80-cols restrictions, and latter due to checkpatch warnings, several strings were broken into multiple lines. This is not considered a good practice anymore, as it makes harder to grep for strings at the source code. As we're right now fixing other drivers due to KERN_CONT, we need to be able to identify what printk strings don't end with a "\n". It is a way easier to detect those if we don't break long lines. So, join those continuation lines. The patch was generated via the script below, and manually adjusted if needed. use Text::Tabs; while (<>) { if ($next ne "") { $c=$_; if ($c =~ /^\s+\"(.*)/) { $c2=$1; $next =~ s/\"\n$//; $n = expand($next); $funpos = index($n, '('); $pos = index($c2, '",'); if ($funpos && $pos > 0) { $s1 = substr $c2, 0, $pos + 2; $s2 = ' ' x ($funpos + 1) . substr $c2, $pos + 2; $s2 =~ s/^\s+//; $s2 = ' ' x ($funpos + 1) . $s2 if ($s2 ne ""); print unexpand("$next$s1\n"); print unexpand("$s2\n") if ($s2 ne ""); } else { print "$next$c2\n"; } $next=""; next; } else { print $next; } $next=""; } else { if (m/\"$/) { if (!m/\\n\"$/) { $next=$_; next; } } } print $_; } Acked-by: Peter Griffin Signed-off-by: Mauro Carvalho Chehab drivers/media/platform/sti/c8sectpfe/c8sectpfe-core.c | 16 ++++++---------- 1 file changed, 6 insertions(+), 10 deletions(-) culprit signature: 74d05a7866739956c5e52e6fd6eb13a93ddf7ffc parent signature: 77f42fb3596da423eb6fd07444a98ad806ed38f2 revisions tested: 30, total time: 6h57m19.543990057s (build: 2h32m8.245349244s, test: 4h22m26.945342206s) first bad commit: 7152c88e556bcbee525689063c260cd296f295a8 [media] c8sectpfe: don't break long lines cc: ["kernel@stlinux.com" "linux-arm-kernel@lists.infradead.org" "linux-kernel@vger.kernel.org" "linux-media@vger.kernel.org" "mchehab@kernel.org" "mchehab@s-opensource.com" "patrice.chotard@st.com" "peter.griffin@linaro.org"] crash: WARNING in nf_unregister_net_hook bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves ------------[ cut here ]------------ WARNING: CPU: 1 PID: 22 at net/netfilter/core.c:151 nf_unregister_net_hook+0x28a/0x3c0 net/netfilter/core.c:151 nf_unregister_net_hook: hook not found! Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 22 Comm: kworker/u4:1 Not tainted 4.9.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net ffff88012b24f890 ffffffff82d7bbd6 ffffffff86088840 ffff88012b24f968 ffffffff868b3800 ffffffff84d7a09a ffff88012b24f958 ffffffff8163d5d2 0000000041b58ab3 ffffffff86d6b20d ffffffff8163d41c ffffffff814779f4 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xe6/0x120 lib/dump_stack.c:51 [] panic+0x1b6/0x358 kernel/panic.c:179 [] __warn+0x18d/0x1b0 kernel/panic.c:542 [] warn_slowpath_fmt+0x92/0xb0 kernel/panic.c:565 [] nf_unregister_net_hook+0x28a/0x3c0 net/netfilter/core.c:151 [] nf_unregister_hook_list net/netfilter/core.c:484 [inline] [] netfilter_net_exit+0x36/0xa0 net/netfilter/core.c:516 [] ops_exit_list.isra.4+0x8e/0x120 net/core/net_namespace.c:136 [] cleanup_net+0x2d0/0x570 net/core/net_namespace.c:449 [] process_one_work+0x6a2/0x1560 kernel/workqueue.c:2096 [] worker_thread+0xe1/0x1050 kernel/workqueue.c:2230 [] kthread+0x20e/0x2d0 kernel/kthread.c:209 [] ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:433 Kernel Offset: disabled