bisecting cause commit starting from a2824f19e6065a0d3735acd9fe7155b104e7edf5 building syzkaller on 33c26cb735dc83786ebebe071a3e17cdd5383ead testing commit a2824f19e6065a0d3735acd9fe7155b104e7edf5 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: b8792d84b4b4fc38c708b0b3bd25fc3938a6d26aa4ad5537d47a486faae1a6c7 all runs: crashed: kernel BUG in remove_inode_hugepages testing release v5.13 testing commit 62fb9874f5da54fdb243003b386128037319b219 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 909f5b513362d755e99068620c19525cb2afd91ca8725228219fd46574a48866 all runs: crashed: kernel BUG in remove_inode_hugepages testing release v5.12 testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: bb4e26dd8f4a005b0fd76547575ef29621d4d502b5251ddaf0a5696974104629 all runs: OK # git bisect start 62fb9874f5da54fdb243003b386128037319b219 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 Bisecting: 8739 revisions left to test after this (roughly 13 steps) [85f3f17b5db2dd9f8a094a0ddc665555135afd22] Merge branch 'md-fixes' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into block-5.13 testing commit 85f3f17b5db2dd9f8a094a0ddc665555135afd22 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 19de40d10b8a8e000dcbbcf23fed9503998a06a4fcc565e5580e48d4c7597e9f all runs: OK # git bisect good 85f3f17b5db2dd9f8a094a0ddc665555135afd22 Bisecting: 4369 revisions left to test after this (roughly 12 steps) [23243c1ace9fb4eae2f75e0fe0ece8e3219fb4f3] arch: use cross_compiling to check whether it is a cross build or not testing commit 23243c1ace9fb4eae2f75e0fe0ece8e3219fb4f3 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: a5259b326b53be9f92ec9d2ca897997417a5d8a69d23076efabb5e95f60d0cf8 run #0: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #1: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #2: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #3: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #4: basic kernel testing failed: WARNING in __nf_unregister_net_hook run #5: basic kernel testing failed: 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 # git bisect bad 23243c1ace9fb4eae2f75e0fe0ece8e3219fb4f3 Bisecting: 2187 revisions left to test after this (roughly 11 steps) [aeacb52a8de7046be5399ba311f49bce96e1b269] net/mlx5: DR, Add support for isolate_vl_tc QP testing commit aeacb52a8de7046be5399ba311f49bce96e1b269 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 94bfd2e74c3ea79035b24260ac74dec58635ca1a53329432e183433284bf1b54 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.117:./syz-fuzzer"]: exit status 1 ssh: connect to host 10.128.0.117 port 22: Connection timed out lost connection run #1: boot failed: KASAN: use-after-free Read in page_to_skb run #2: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #3: boot failed: KASAN: use-after-free Read in page_to_skb run #4: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #5: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #6: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #7: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #8: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #9: boot failed: KASAN: use-after-free Read in page_to_skb # git bisect skip aeacb52a8de7046be5399ba311f49bce96e1b269 Bisecting: 2187 revisions left to test after this (roughly 11 steps) [e7d48e5fbf30f85c89d83683c3d2dbdaa8884103] net: enetc: add a mini driver for the Integrated Endpoint Register Block testing commit e7d48e5fbf30f85c89d83683c3d2dbdaa8884103 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 8a86ad916826c4f04cb7735614574fb3498579728832ddef0596d8f3e0137946 run #0: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #1: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #2: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #3: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #4: boot failed: KASAN: use-after-free Read in page_to_skb run #5: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #6: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb run #7: boot failed: KASAN: use-after-free Read in page_to_skb run #8: boot failed: KASAN: use-after-free Read in page_to_skb run #9: boot failed: KASAN: slab-out-of-bounds Read in page_to_skb # git bisect skip e7d48e5fbf30f85c89d83683c3d2dbdaa8884103 Bisecting: 2187 revisions left to test after this (roughly 11 steps) [5b7c0c32c90494f5aaf13f417cff5dc204575597] net: ocelot: Simplify MRP deletion testing commit 5b7c0c32c90494f5aaf13f417cff5dc204575597 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: c1612b675db6bd331b1fcf58b40ad6aefab741aa382e0563bde9a1b4bf7b9102 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: basic kernel testing failed: WARNING in kvm_wait run #2: basic kernel testing failed: WARNING in kvm_wait run #3: crashed: WARNING in kvm_wait run #4: crashed: WARNING in kvm_wait run #5: 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.68:./syz-execprog"] Warning: Permanently added '10.128.0.68' (ECDSA) to the list of known hosts. run #6: crashed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 5b7c0c32c90494f5aaf13f417cff5dc204575597 Bisecting: 375 revisions left to test after this (roughly 9 steps) [5acd0cfbfbb5a688da1bfb1a2152b0c855115a35] net: lapbether: Prevent racing when checking whether the netif is running testing commit 5acd0cfbfbb5a688da1bfb1a2152b0c855115a35 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 00c59426626596029bad10540eb1a68417a8e4e30981f1ac6c0e789cca457728 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: basic kernel testing failed: WARNING in kvm_wait run #2: crashed: WARNING in kvm_wait run #3: boot failed: WARNING in kvm_wait run #4: boot failed: WARNING in kvm_wait run #5: boot failed: WARNING in kvm_wait run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 5acd0cfbfbb5a688da1bfb1a2152b0c855115a35 Bisecting: 186 revisions left to test after this (roughly 8 steps) [3094552bcd726682ded98e4f4aa97a7c6646f638] net/mlx5: SF, Fix return type testing commit 3094552bcd726682ded98e4f4aa97a7c6646f638 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: cb308d5bf88b5a6d257263aa78b22064145218523a8dcf173d9b3a30d642f548 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: basic kernel testing failed: WARNING in kvm_wait run #2: crashed: WARNING in kvm_wait run #3: crashed: WARNING in kvm_wait run #4: crashed: WARNING in kvm_wait run #5: crashed: WARNING in kvm_wait run #6: OK run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 3094552bcd726682ded98e4f4aa97a7c6646f638 Bisecting: 93 revisions left to test after this (roughly 7 steps) [3fcd50d6f9a963a21e142d71be135eff6a374d2d] selftests/bpf: Add BTF_KIND_FLOAT to test_core_reloc_size testing commit 3fcd50d6f9a963a21e142d71be135eff6a374d2d compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: c23d874a849baf3bce86d3badf06d79b79b21a14f8aecff75707b40b93571f71 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: crashed: WARNING in kvm_wait run #2: crashed: WARNING in kvm_wait run #3: crashed: WARNING in kvm_wait run #4: boot failed: WARNING in kvm_wait run #5: boot failed: WARNING in kvm_wait run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 3fcd50d6f9a963a21e142d71be135eff6a374d2d Bisecting: 46 revisions left to test after this (roughly 6 steps) [04883a079968e6250a4549f6fadb6427c534885e] tools, bpf_asm: Hard error on out of range jumps testing commit 04883a079968e6250a4549f6fadb6427c534885e compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 348d545d21ff4110d55a5be81d238239fa020d50ccbb619f006e074937b0fd4b run #0: crashed: WARNING in kvm_wait run #1: crashed: WARNING in kvm_wait run #2: 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.10.12:./syz-execprog"] Warning: Permanently added '10.128.10.12' (ECDSA) to the list of known hosts. run #3: crashed: WARNING in kvm_wait run #4: crashed: WARNING in kvm_wait run #5: OK run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 04883a079968e6250a4549f6fadb6427c534885e Bisecting: 22 revisions left to test after this (roughly 5 steps) [16137b09a66f2b75090f1e56a9ba0e27ef845ebc] bpf: Compute data_end dynamically with JIT code testing commit 16137b09a66f2b75090f1e56a9ba0e27ef845ebc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 39ad04cece05bef5c7ffba4cc72093e9e048831dc69156664598a2fab0b86a88 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.1.126:./syz-execprog"] Warning: Permanently added '10.128.1.126' (ECDSA) to the list of known hosts. run #1: boot failed: WARNING in kvm_wait run #2: boot failed: WARNING in kvm_wait run #3: boot failed: WARNING in kvm_wait run #4: boot failed: WARNING in kvm_wait run #5: boot failed: WARNING in kvm_wait run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect skip 16137b09a66f2b75090f1e56a9ba0e27ef845ebc Bisecting: 22 revisions left to test after this (roughly 5 steps) [1435137573f9c75455903e8cd01f84d6e092ea16] bpf: Refactor check_func_call() to allow callback function testing commit 1435137573f9c75455903e8cd01f84d6e092ea16 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: bbb58ea9c47a994a2f2f8eeb82ee70062a426e631ab4a6dc2ef68dfe52863cbc run #0: crashed: WARNING in kvm_wait run #1: crashed: WARNING in kvm_wait run #2: 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.3:./syz-fuzzer"] Warning: Permanently added '10.128.0.3' (ECDSA) to the list of known hosts. run #3: 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-fuzzer" "root@10.128.0.162:./syz-fuzzer"] Warning: Permanently added '10.128.0.162' (ECDSA) to the list of known hosts. run #4: boot failed: WARNING in kvm_wait run #5: boot failed: WARNING in kvm_wait run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 1435137573f9c75455903e8cd01f84d6e092ea16 Bisecting: 17 revisions left to test after this (roughly 4 steps) [d3e3bf5b4c673e79c5a11608f53d4e0059a7ec79] selftests/bpf: Restructure xsk selftests testing commit d3e3bf5b4c673e79c5a11608f53d4e0059a7ec79 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 72ce1741018bd86ee7bd6c15c6512be6345d574097bd841fa1a68d9c068cf120 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: crashed: WARNING in kvm_wait run #2: crashed: WARNING in kvm_wait run #3: crashed: WARNING in kvm_wait run #4: boot failed: WARNING in kvm_wait run #5: boot failed: WARNING in kvm_wait run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad d3e3bf5b4c673e79c5a11608f53d4e0059a7ec79 Bisecting: 8 revisions left to test after this (roughly 3 steps) [1f87dcf116adedd6b9f47258d4fdf4fa9ce74002] selftests/bpf: Add non-BPF_LSM test for task local storage testing commit 1f87dcf116adedd6b9f47258d4fdf4fa9ce74002 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: ffb94b16409a518fc4c332b2fe5124ed0551bfa0be0d7459956ecfabffb1ccbe run #0: crashed: WARNING in kvm_wait run #1: crashed: WARNING in kvm_wait run #2: crashed: WARNING in kvm_wait run #3: crashed: WARNING in kvm_wait run #4: crashed: WARNING in kvm_wait run #5: crashed: WARNING in kvm_wait run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 1f87dcf116adedd6b9f47258d4fdf4fa9ce74002 Bisecting: 3 revisions left to test after this (roughly 2 steps) [3914d88f7608e6c2e80e344474fa289370c32451] xsk: Respect device's headroom and tailroom on generic xmit path testing commit 3914d88f7608e6c2e80e344474fa289370c32451 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: ec8a214cceea34f9cbf198994b178cd0121e6e09252382ed299ee2a59d4b9f44 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: 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" "/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/bin/linux_amd64/syz-execprog" "root@10.128.0.127:./syz-execprog"] Warning: Permanently added '10.128.0.127' (ECDSA) to the list of known hosts. run #2: crashed: WARNING in kvm_wait run #3: crashed: WARNING in kvm_wait run #4: crashed: WARNING in kvm_wait run #5: OK run #6: OK run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 3914d88f7608e6c2e80e344474fa289370c32451 Bisecting: 2 revisions left to test after this (roughly 1 step) [2463e073497385ef63c220571013a2b89e9b95cc] netdevice: Add missing IFF_PHONY_HEADROOM self-definition testing commit 2463e073497385ef63c220571013a2b89e9b95cc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: ff18eac8750ff13422d4fbfa7386144ed0ff500a68ef8299f2e4241c18cda9c9 run #0: crashed: WARNING in kvm_wait run #1: OK run #2: boot failed: WARNING in kvm_wait run #3: boot failed: WARNING in kvm_wait run #4: boot failed: WARNING in kvm_wait run #5: boot failed: WARNING in kvm_wait run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad 2463e073497385ef63c220571013a2b89e9b95cc Bisecting: 0 revisions left to test after this (roughly 0 steps) [b9fc8b4a591811546fec2dbef7e9f809362100c9] bpf: Add kernel/modules BTF presence checks to bpftool feature command testing commit b9fc8b4a591811546fec2dbef7e9f809362100c9 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: aa8c9d8fa3261d366fd143ca070fd33032ef630e9463cf8c4cfb3607b47317d1 run #0: basic kernel testing failed: WARNING in kvm_wait run #1: basic kernel testing failed: WARNING in kvm_wait run #2: basic kernel testing failed: WARNING in kvm_wait run #3: crashed: WARNING in kvm_wait run #4: crashed: WARNING in kvm_wait run #5: boot failed: WARNING in kvm_wait run #6: boot failed: WARNING in kvm_wait run #7: boot failed: WARNING in kvm_wait run #8: boot failed: WARNING in kvm_wait run #9: boot failed: WARNING in kvm_wait # git bisect bad b9fc8b4a591811546fec2dbef7e9f809362100c9 b9fc8b4a591811546fec2dbef7e9f809362100c9 is the first bad commit commit b9fc8b4a591811546fec2dbef7e9f809362100c9 Author: Grant Seltzer Date: Mon Feb 22 19:58:46 2021 +0000 bpf: Add kernel/modules BTF presence checks to bpftool feature command This adds both the CONFIG_DEBUG_INFO_BTF and CONFIG_DEBUG_INFO_BTF_MODULES kernel compile option to output of the bpftool feature command. This is relevant for developers that want to account for data structure definition differences between kernels. Signed-off-by: Grant Seltzer Signed-off-by: Andrii Nakryiko Signed-off-by: Daniel Borkmann Acked-by: Martin KaFai Lau Link: https://lore.kernel.org/bpf/20210222195846.155483-1-grantseltzer@gmail.com tools/bpf/bpftool/feature.c | 4 ++++ 1 file changed, 4 insertions(+) parent commit d310ec03a34e92a77302edb804f7d68ee4f01ba0 wasn't tested testing commit d310ec03a34e92a77302edb804f7d68ee4f01ba0 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: aa8c9d8fa3261d366fd143ca070fd33032ef630e9463cf8c4cfb3607b47317d1 culprit signature: aa8c9d8fa3261d366fd143ca070fd33032ef630e9463cf8c4cfb3607b47317d1 parent signature: aa8c9d8fa3261d366fd143ca070fd33032ef630e9463cf8c4cfb3607b47317d1 revisions tested: 19, total time: 5h3m55.136572982s (build: 2h8m25.586334094s, test: 2h53m24.941490244s) first bad commit: b9fc8b4a591811546fec2dbef7e9f809362100c9 bpf: Add kernel/modules BTF presence checks to bpftool feature command recipients (to): ["andrii@kernel.org" "daniel@iogearbox.net" "grantseltzer@gmail.com" "kafai@fb.com"] recipients (cc): [] crash: WARNING in kvm_wait ------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 0 PID: 17110 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Modules linked in: CPU: 0 PID: 17110 Comm: syz-executor.1 Not tainted 5.11.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Code: 24 48 c7 c7 60 7b 89 88 e8 ec df c1 ff 80 3d ee f3 e5 03 00 74 01 c3 48 c7 c7 60 f3 8a 88 c6 05 dd f3 e5 03 01 e8 e1 de c1 ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 RSP: 0018:ffffc90004117728 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffffffff8a890400 RCX: 0000000000000000 RDX: 0000000000000002 RSI: ffffffff88de3100 RDI: fffff52000822ed7 RBP: 0000000000000200 R08: 0000000000000001 R09: ffff8880b9e4c1a7 R10: ffffed10173c9834 R11: 0000000000000001 R12: 0000000000000003 R13: fffffbfff1512080 R14: 0000000000000001 R15: ffff8880b9e51f00 FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005588ae028160 CR3: 000000000a48e000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_wait arch/x86/kernel/kvm.c:860 [inline] kvm_wait+0xc9/0xe0 arch/x86/kernel/kvm.c:837 pv_wait arch/x86/include/asm/paravirt.h:564 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x200/0x2b0 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] hugetlb_acct_memory+0x7e/0x9a0 mm/hugetlb.c:3592 hugetlb_unreserve_pages+0x1a0/0x270 mm/hugetlb.c:5237 remove_inode_hugepages+0x7af/0x8f0 fs/hugetlbfs/inode.c:548 hugetlbfs_evict_inode+0x15/0x60 fs/hugetlbfs/inode.c:555 evict+0x296/0x5d0 fs/inode.c:577 __dentry_kill+0x315/0x560 fs/dcache.c:579 __fput+0x2d8/0x870 fs/file_table.c:293 task_work_run+0xc0/0x160 kernel/task_work.c:140 exit_task_work include/linux/task_work.h:30 [inline] do_exit+0xa86/0x2570 kernel/exit.c:825 do_group_exit+0xe7/0x290 kernel/exit.c:922 __do_sys_exit_group kernel/exit.c:933 [inline] __se_sys_exit_group kernel/exit.c:931 [inline] __x64_sys_exit_group+0x35/0x40 kernel/exit.c:931 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665e9 Code: Unable to access opcode bytes at RIP 0x4665bf. RSP: 002b:00007fffd12c3d68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00000000004665e9 RDX: 00000000004193fb RSI: ffffffffffffffbc RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000001b2fe2008c R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000000001 R15: 00007fffd12c3e60 ---------------- Code disassembly (best guess): 0: 24 48 and $0x48,%al 2: c7 c7 60 7b 89 88 mov $0x88897b60,%edi 8: e8 ec df c1 ff callq 0xffc1dff9 d: 80 3d ee f3 e5 03 00 cmpb $0x0,0x3e5f3ee(%rip) # 0x3e5f402 14: 74 01 je 0x17 16: c3 retq 17: 48 c7 c7 60 f3 8a 88 mov $0xffffffff888af360,%rdi 1e: c6 05 dd f3 e5 03 01 movb $0x1,0x3e5f3dd(%rip) # 0x3e5f402 25: e8 e1 de c1 ff callq 0xffc1df0b 2a: 0f 0b ud2 <-- trapping instruction 2c: c3 retq 2d: 48 39 77 10 cmp %rsi,0x10(%rdi) 31: 0f 84 97 00 00 00 je 0xce 37: 66 f7 47 22 f0 ff testw $0xfff0,0x22(%rdi) 3d: 74 4b je 0x8a 3f: 48 rex.W