bisecting cause commit starting from dc1a9bf2c8169d9f607502162af1858a73a18cb8
building syzkaller on abf9ba4fc75d9b29af15625d44dcfc1360fad3b7
testing commit dc1a9bf2c8169d9f607502162af1858a73a18cb8 with gcc (GCC) 8.1.0
kernel signature: e50efaac1344075c9e188c755652eb5051dbb8476d80432bd6a2f83e20c08711
all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in xsk_is_setup_for_bpf_map
testing release v5.8
testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0
kernel signature: 2ceb9cdd640694aeaeca71a8426b05aec85b524e5cfbdf23fd757c721442c3cf
all runs: OK
# git bisect start dc1a9bf2c8169d9f607502162af1858a73a18cb8 bcf876870b95592b52519ed4aafcf9d95999bc9c
Bisecting: 6277 revisions left to test after this (roughly 13 steps)
[47ec5303d73ea344e84f46660fff693c57641386] Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
testing commit 47ec5303d73ea344e84f46660fff693c57641386 with gcc (GCC) 8.1.0
kernel signature: 1d780d5f851d6555efd02b8d3f48e5427b5ebc12f8cf128e3ec66e909ef15b42
all runs: OK
# git bisect good 47ec5303d73ea344e84f46660fff693c57641386
Bisecting: 3147 revisions left to test after this (roughly 12 steps)
[fa73e212318a3277ae1f304febbc617c75d4d2db] Merge tag 'media/v5.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
testing commit fa73e212318a3277ae1f304febbc617c75d4d2db with gcc (GCC) 8.1.0
kernel signature: b3526920a0780c3a0c28b980c26b66cc5f14b9b6be0522b760d5c5f814eb04c0
all runs: OK
# git bisect good fa73e212318a3277ae1f304febbc617c75d4d2db
Bisecting: 1599 revisions left to test after this (roughly 11 steps)
[4586039427fab2b8c4edd49c73002e13e04315cf] Merge tag 'linux-watchdog-5.9-rc1' of git://www.linux-watchdog.org/linux-watchdog
testing commit 4586039427fab2b8c4edd49c73002e13e04315cf with gcc (GCC) 8.1.0
kernel signature: 78b9f80dc1748cf0868b48cb313cbcec60c2037de1c7f3f0a378f27e8a0af892
all runs: boot failed: WARNING in mem_cgroup_css_alloc
# git bisect skip 4586039427fab2b8c4edd49c73002e13e04315cf
Bisecting: 1599 revisions left to test after this (roughly 11 steps)
[f9e7ff9c6fc758b6f25674a9a4451db30344ce1e] sh: use generic strncpy()
testing commit f9e7ff9c6fc758b6f25674a9a4451db30344ce1e with gcc (GCC) 8.1.0
kernel signature: 1db8effb1c1e678ebe7cb4676fc86ac508fa9cec033e96b803834efdc846a1c9
run #0: crashed: WARNING: ODEBUG bug in netdev_run_todo
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 f9e7ff9c6fc758b6f25674a9a4451db30344ce1e
Bisecting: 1002 revisions left to test after this (roughly 10 steps)
[c08b342c214c4473b329f828cdc516d2f50a192f] mm/nommu.c: delete duplicated words
testing commit c08b342c214c4473b329f828cdc516d2f50a192f with gcc (GCC) 8.1.0
kernel signature: b1e2eb8a05a0b3abb3e1fa5cfe2486de57eaae437d77aee6ac138e997bda5993
all runs: boot failed: WARNING in mem_cgroup_css_alloc
# git bisect skip c08b342c214c4473b329f828cdc516d2f50a192f
Bisecting: 1002 revisions left to test after this (roughly 10 steps)
[ce39194034008e6736646efb52230627972f1049] perf metric: Add macros for iterating map events
testing commit ce39194034008e6736646efb52230627972f1049 with gcc (GCC) 8.1.0
kernel signature: fd5804e0cc7d73356f14a7ecebedeb4b79cb4d437de19c762bd481c9903aaeac
all runs: OK
# git bisect good ce39194034008e6736646efb52230627972f1049
Bisecting: 958 revisions left to test after this (roughly 10 steps)
[270ef41094e9fa95273f288d7d785313ceab2ff3] fs/minix: reject too-large maximum file size
testing commit 270ef41094e9fa95273f288d7d785313ceab2ff3 with gcc (GCC) 8.1.0
kernel signature: d786076c4953d334361faf9ffe2071618dcf5cb7e221ca53ad0d94b2d3736329
all runs: boot failed: WARNING in mem_cgroup_css_alloc
# git bisect skip 270ef41094e9fa95273f288d7d785313ceab2ff3
Bisecting: 958 revisions left to test after this (roughly 10 steps)
[543aa2c4da8b2421633ec225cd2d4110115415f2] i2c: at91: Move to generic GPIO bus recovery
testing commit 543aa2c4da8b2421633ec225cd2d4110115415f2 with gcc (GCC) 8.1.0
kernel signature: 77f63923868582199a25bfc344ef7c7e9846605110ac187a1b0247a74c3a525f
all runs: OK
# git bisect good 543aa2c4da8b2421633ec225cd2d4110115415f2
Bisecting: 948 revisions left to test after this (roughly 10 steps)
[b642e44e8ab335868b549fe5753b783ca47bf3a3] kstrto*: correct documentation references to simple_strto*()
testing commit b642e44e8ab335868b549fe5753b783ca47bf3a3 with gcc (GCC) 8.1.0
kernel signature: b96dfe270ae02e978318f5a3d9614da11c9e6cafc9b99e4c927d2e5e666c4e21
all runs: boot failed: WARNING in mem_cgroup_css_alloc
# git bisect skip b642e44e8ab335868b549fe5753b783ca47bf3a3
Bisecting: 948 revisions left to test after this (roughly 10 steps)
[920e469e15c820a432c8dc21f7c5221f9dfdf716] pinctrl: mediatek: add pinctrl support for MT6779 SoC
testing commit 920e469e15c820a432c8dc21f7c5221f9dfdf716 with gcc (GCC) 8.1.0
kernel signature: 63990c79fa4ebef08583fa744955086be0150c70dc2847e22f94c49b35261947
run #0: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
run #1: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
run #2: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
run #3: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
run #4: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
run #5: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
run #6: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
run #7: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
run #8: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
run #9: boot failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
# git bisect skip 920e469e15c820a432c8dc21f7c5221f9dfdf716
Bisecting: 948 revisions left to test after this (roughly 10 steps)
[86851bbce1a332b0658519386041fe430f4e9e39] pinctrl: intel: Make use of IRQ_RETVAL()
testing commit 86851bbce1a332b0658519386041fe430f4e9e39 with gcc (GCC) 8.1.0
kernel signature: df9a7273723a8935a6acd9bd0a97f2b705ef2bc65693d9d1a985f03ed2734ff2
all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
# git bisect skip 86851bbce1a332b0658519386041fe430f4e9e39
Bisecting: 948 revisions left to test after this (roughly 10 steps)
[05487215e6b9732cc4ad0e83e465b33182200ad5] KVM: x86: Don't attempt to load PDPTRs when 64-bit mode is enabled
testing commit 05487215e6b9732cc4ad0e83e465b33182200ad5 with gcc (GCC) 8.1.0
kernel signature: f488a0ec10859447ab8aee2f86af94f7e318ee7690c500073607283da8005cdc
all runs: OK
# git bisect good 05487215e6b9732cc4ad0e83e465b33182200ad5
Bisecting: 755 revisions left to test after this (roughly 10 steps)
[57b077939287835b9396a1c3b40d35609cf2fcb8] Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
testing commit 57b077939287835b9396a1c3b40d35609cf2fcb8 with gcc (GCC) 8.1.0
kernel signature: dd08b92d4bcc6168cef44f83bfb6b789b0b0b743148f801859bd2af04f3d1475
all runs: OK
# git bisect good 57b077939287835b9396a1c3b40d35609cf2fcb8
Bisecting: 345 revisions left to test after this (roughly 9 steps)
[05a5b5d8a2cd82e2bf5a01ad064efa396ec7fbef] Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
testing commit 05a5b5d8a2cd82e2bf5a01ad064efa396ec7fbef with gcc (GCC) 8.1.0
kernel signature: 0dc89d584c59ccfebbe426c61febcad21f47d9aa6dbe6a07e3359c946c9efd89
all runs: boot failed: WARNING in mem_cgroup_css_alloc
# git bisect skip 05a5b5d8a2cd82e2bf5a01ad064efa396ec7fbef
Bisecting: 345 revisions left to test after this (roughly 9 steps)
[04343ae312ef0d80d601ea1b784b6b039ae9c82a] KVM: arm64: Tolerate an empty target_table list
testing commit 04343ae312ef0d80d601ea1b784b6b039ae9c82a with gcc (GCC) 8.1.0
kernel signature: a5249c97e938bdc7c76beaf950fbc019c6c3c2cb194476e4d424c820453cf38d
all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
# git bisect skip 04343ae312ef0d80d601ea1b784b6b039ae9c82a
Bisecting: 345 revisions left to test after this (roughly 9 steps)
[e106c96e2e0a0b9c1305d54480b60cb670d7fd1b] drm/amd/display: AMD OUI (DPCD 0x00300) skipped on some sink
testing commit e106c96e2e0a0b9c1305d54480b60cb670d7fd1b with gcc (GCC) 8.1.0
kernel signature: 5980d40fb0d4b49aa11fbf6a967072f44aa5f966ca9ef648b5fdd26d8d014a6d
all runs: OK
# git bisect good e106c96e2e0a0b9c1305d54480b60cb670d7fd1b
Bisecting: 345 revisions left to test after this (roughly 9 steps)
[2e0d8fef5f76bce0887c73b824d9e625a08e7406] net: accept an empty mask in /sys/class/net/*/queues/rx-*/rps_cpus
testing commit 2e0d8fef5f76bce0887c73b824d9e625a08e7406 with gcc (GCC) 8.1.0
kernel signature: af36964f952848888a379ff1d9e8cb32279ddbbfab171abcb1b64071340e8684
all runs: OK
# git bisect good 2e0d8fef5f76bce0887c73b824d9e625a08e7406
Bisecting: 296 revisions left to test after this (roughly 8 steps)
[a3ec9f38a97545b5923a90a1052cbdb3683b9631] scripts/gdb: fix python 3.8 SyntaxWarning
testing commit a3ec9f38a97545b5923a90a1052cbdb3683b9631 with gcc (GCC) 8.1.0
kernel signature: dc0b926d429f005f90f707ab1e1ea225eef286d2b89be463a5c138b27109b9d8
all runs: boot failed: WARNING in mem_cgroup_css_alloc
# git bisect skip a3ec9f38a97545b5923a90a1052cbdb3683b9631
Bisecting: 296 revisions left to test after this (roughly 8 steps)
[ca457ab5908603b36be903e73977afde1ba03c84] Merge tag 'drm-misc-next-fixes-2020-08-05' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
testing commit ca457ab5908603b36be903e73977afde1ba03c84 with gcc (GCC) 8.1.0
kernel signature: 9a0e9cdb9813aaef9488b8869ac039d591d47601a35df4d9c83f619c66020786
all runs: OK
# git bisect good ca457ab5908603b36be903e73977afde1ba03c84
Bisecting: 296 revisions left to test after this (roughly 8 steps)
[cb783bbbcf54c36256006895c215e86c5e7266d8] clk: at91: sama7g5: add clock support for sama7g5
testing commit cb783bbbcf54c36256006895c215e86c5e7266d8 with gcc (GCC) 8.1.0
kernel signature: d3bb01f5cd222d95a260644e7c1d32a30dae86a0ac4958cf9fce2d07d19178a5
all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
# git bisect skip cb783bbbcf54c36256006895c215e86c5e7266d8
Bisecting: 296 revisions left to test after this (roughly 8 steps)
[407bc8d81837197ef02c7296f8068d3bf2c96f53] Merge tag 'vfio-v5.9-rc1' of git://github.com/awilliam/linux-vfio
testing commit 407bc8d81837197ef02c7296f8068d3bf2c96f53 with gcc (GCC) 8.1.0
kernel signature: d93341ec9641a8ae72e096a980657c0245eb6e2bff64abaca4fd3a43ebe0d09f
all runs: boot failed: WARNING in mem_cgroup_css_alloc
# git bisect skip 407bc8d81837197ef02c7296f8068d3bf2c96f53
Bisecting: 296 revisions left to test after this (roughly 8 steps)
[4fa91f528f344a86cdef23b17d611b479421b2c8] kconfig: qconf: remove unused voidPix, menuInvPix
testing commit 4fa91f528f344a86cdef23b17d611b479421b2c8 with gcc (GCC) 8.1.0
kernel signature: 6014279fcfd097d13a72fbfd4e0cf91b4c3543d1cc008696ebde0679ff8b811b
run #0: OK
run #1: boot failed: can't ssh into the instance
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 4fa91f528f344a86cdef23b17d611b479421b2c8
Bisecting: 275 revisions left to test after this (roughly 8 steps)
[b518154e59aab3ad0780a169c5cc84bd4ee4357e] mm/vmscan: protect the workingset on anonymous LRU
testing commit b518154e59aab3ad0780a169c5cc84bd4ee4357e with gcc (GCC) 8.1.0
kernel signature: ba2d9a8d25239cafc514756d541e363604a2b968ac54d2bc22750d8af3ad305b
all runs: boot failed: WARNING in mem_cgroup_css_alloc
# git bisect skip b518154e59aab3ad0780a169c5cc84bd4ee4357e
Bisecting: 275 revisions left to test after this (roughly 8 steps)
[d71375499d7b0a954e3012d4e16ccad3f28e3d1c] rapidio/rio_mport_cdev: use array_size() helper in copy_{from,to}_user()
testing commit d71375499d7b0a954e3012d4e16ccad3f28e3d1c with gcc (GCC) 8.1.0
kernel signature: f49cbbdda1fb2323f5e5dbcdd5c26778b9c807a9801f9b08a7228eecc7d18032
all runs: boot failed: WARNING in mem_cgroup_css_alloc
# git bisect skip d71375499d7b0a954e3012d4e16ccad3f28e3d1c
Bisecting: 275 revisions left to test after this (roughly 8 steps)
[a2ce72003863d0dcf680f0c49de4678ab2c6812b] KVM: PPC: Book3S HV: Migrate hot plugged memory
testing commit a2ce72003863d0dcf680f0c49de4678ab2c6812b with gcc (GCC) 8.1.0
kernel signature: 5efe7eefab4cce02b837320d63f9ce2a9cb7d0b926b4c3f378034a5a34e759fb
all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
# git bisect skip a2ce72003863d0dcf680f0c49de4678ab2c6812b
Bisecting: 275 revisions left to test after this (roughly 8 steps)
[d92bbc2719bd2be237ee336113b63492a6baca3b] mm/hugetlb: unify migration callbacks
testing commit d92bbc2719bd2be237ee336113b63492a6baca3b with gcc (GCC) 8.1.0
kernel signature: 0dbb3bbf82c537d745f075edd06fe2c5481ad469284ee94dc71d3067b8a02aa8
all runs: boot failed: WARNING in mem_cgroup_css_alloc
# git bisect skip d92bbc2719bd2be237ee336113b63492a6baca3b
Bisecting: 275 revisions left to test after this (roughly 8 steps)
[42324d953b38e74cf5cb05a02c81d4922a2ddcd5] clk: at91: replace conditional operator with double logical not
testing commit 42324d953b38e74cf5cb05a02c81d4922a2ddcd5 with gcc (GCC) 8.1.0
kernel signature: 2016595ef6929a0885d4577bb06fddc6ee7bc2ccfcaafb34e91a73d8f106a7fc
all runs: basic kernel testing failed: BUG: using smp_processor_id() in preemptible code in ext4_mb_new_blocks
# git bisect skip 42324d953b38e74cf5cb05a02c81d4922a2ddcd5
Bisecting: 275 revisions left to test after this (roughly 8 steps)
[69307ade14de7d9e9b14961ae7a6168e7165b6ab] Merge tag 'xfs-5.9-merge-8' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
testing commit 69307ade14de7d9e9b14961ae7a6168e7165b6ab with gcc (GCC) 8.1.0
kernel signature: 2d822aa3b30d632aba37189686c9e90cf48fce4d9767e9c933717ca0071da36d
all runs: OK
# git bisect good 69307ade14de7d9e9b14961ae7a6168e7165b6ab
Bisecting: 69 revisions left to test after this (roughly 6 steps)
[8ab49526b53d3172d1d8dd03a75c7d1f5bd21239] x86/fsgsbase/64: Fix NULL deref in 86_fsgsbase_read_task
testing commit 8ab49526b53d3172d1d8dd03a75c7d1f5bd21239 with gcc (GCC) 8.1.0
kernel signature: 5d6e0ad1b280fb962aae666eced66bef0d64c4b00cd7bc625a92d4797bf6c4e5
all runs: OK
# git bisect good 8ab49526b53d3172d1d8dd03a75c7d1f5bd21239
Bisecting: 35 revisions left to test after this (roughly 5 steps)
[b6b178e38f40f34842b719a8786d346d4cfec5dc] Merge tag 'timers-core-2020-08-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
testing commit b6b178e38f40f34842b719a8786d346d4cfec5dc with gcc (GCC) 8.1.0
kernel signature: d4ed552fec54a2658a54177b28677cdcbfac5d99263e615d871cfc99cff6e689
all runs: OK
# git bisect good b6b178e38f40f34842b719a8786d346d4cfec5dc
Bisecting: 17 revisions left to test after this (roughly 4 steps)
[ee6c400f5c05459b8c5f2884a176a1287ce2f68f] mm: introduce offset_in_thp
testing commit ee6c400f5c05459b8c5f2884a176a1287ce2f68f with gcc (GCC) 8.1.0
kernel signature: fde425f1f023ad011e1f48856826e5850a1e770a301e9e31ece328059bef691a
all runs: OK
# git bisect good ee6c400f5c05459b8c5f2884a176a1287ce2f68f
Bisecting: 8 revisions left to test after this (roughly 3 steps)
[6e4bd50f3888fa8fea8bc66a0ad4ad5f1c862961] mm/page_counter: fix various data races at memsw
testing commit 6e4bd50f3888fa8fea8bc66a0ad4ad5f1c862961 with gcc (GCC) 8.1.0
kernel signature: 64fbcdb250974613b35ecaadcb4f83e26b874f75b468e563b1df8e839ad94eb6
all runs: OK
# git bisect good 6e4bd50f3888fa8fea8bc66a0ad4ad5f1c862961
Bisecting: 3 revisions left to test after this (roughly 2 steps)
[7e0cc01ea181c68f6aa013d8d7e7acbf9b49fda0] mm/swap.c: annotate data races for lru_rotate_pvecs
revisions tested: 34, total time: 8h12m8.362477297s (build: 2h48m25.567779851s, test: 5h20m20.035459353s)
error: bisection is taking too long (>8h0m0s), aborting