bisecting cause commit starting from 732b74d647048668f0f8dc0c848f0746c69e2e2f
building syzkaller on 838e7e2cd9228583ca33c49a39aea4d863d3e36d
testing commit 732b74d647048668f0f8dc0c848f0746c69e2e2f
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 6a25409e9b24766cbebbfde7ac84fe08f762764f2f73ba0d6a32434021b7a5cd
run #0: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #1: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #2: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #3: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #4: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #5: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #6: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #7: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #8: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #9: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #10: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #11: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #12: crashed: KFENCE: use-after-free in vlan_dev_real_dev
run #13: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #14: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #15: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #16: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #17: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #18: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
run #19: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
testing release v5.14
testing commit 7d2a07b769330c34b4deabeed939325c77a7ec2f
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8c219514f33cf5f7e995cffb6643e798eb9f0e406da2dbcbb7423680d5a3f503
all runs: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
testing release v5.13
testing commit 62fb9874f5da54fdb243003b386128037319b219
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f0d89eb8f9d4c9864735171e2eb3e5feeaf7d26439e5a7bae1ef45fb8f9578ab
all runs: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
testing release v5.12
testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f3685dd148c0d7f62ec2c26b6ccd338a86cdce80e434ce6a225cc94922f0c2db
all runs: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
testing release v5.11
testing commit f40ddce88593482919761f74910f42f4b84c004b
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 1f5c2551444cc5a9717d44acd7d59dea64de831f0ec6d140c76c393b1a8be7b9
all runs: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
testing release v5.10
testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 6fadf1b92bad0f2eefaa047034d1044e5b34f9c1872d7811646aed5049f137a7
all runs: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
testing release v5.9
testing commit bbf5c979011a099af5dc76498918ed7df445635b
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 79f11e7a8eed3e447672927cef5561c2ba920551ad72927757519c7fec1a8d58
all runs: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
testing release v5.8
testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c
compiler: gcc (GCC) 8.4.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 3a10be75bbfb45817efdf085ef0d7bb7934a9655779dbb5140e82be0f1d7e80e
all runs: crashed: KASAN: use-after-free Read in vlan_dev_real_dev
testing release v5.7
testing commit 3d77e6a8804abcc0504c904bd6e5cdf3a5cf8162
compiler: gcc version 8.4.1 20210217 (GCC), GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 6c15458155203600f9eead46349048b82bfa958d35a9c08152de83a646393e6d
all runs: crashed: general protection fault in rds_ib_add_one
testing release v5.6
testing commit 7111951b8d4973bda27ff663f2cf18b663d15b48
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 3ec8f747eafa1b5378a4cc37ea09f1a8798bfd8f4ee7c3e4b1f24c42b3888ba2
all runs: crashed: general protection fault in rds_ib_add_one
testing release v5.5
testing commit d5226fa6dbae0569ee43ecfc08bdcd6770fc4755
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1e50721387abc6962be73a376a0e25993de05554e109369a0cf0059deb740472
all runs: crashed: general protection fault in rds_ib_add_one
testing release v5.4
testing commit 219d54332a09e8d8741c1e1982f5eae56099de85
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 9746f3b655633436e9e0647dfbf6f8cc6036487689cc04d539ee7143aa30fdd9
all runs: crashed: general protection fault in rds_ib_add_one
testing release v5.3
testing commit 4d856f72c10ecb060868ed10ff1b1453943fc6c8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 54920ccfe5023ac1310b5de92553c4d02e1b7ef19a40c59ae996f8f35d0795ad
all runs: OK
# git bisect start 219d54332a09e8d8741c1e1982f5eae56099de85 4d856f72c10ecb060868ed10ff1b1453943fc6c8
Bisecting: 7882 revisions left to test after this (roughly 13 steps)
[a9f8b38a071b468276a243ea3ea5a0636e848cf2] Merge tag 'for-linus-5.4-1' of git://github.com/cminyard/linux-ipmi

testing commit a9f8b38a071b468276a243ea3ea5a0636e848cf2
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 4a7bb487bb1c5e526c779c5f3a64fc5dfe5b71cb16ec5b3cbc2ef2127fff7850
all runs: OK
# git bisect good a9f8b38a071b468276a243ea3ea5a0636e848cf2
Bisecting: 3939 revisions left to test after this (roughly 12 steps)
[5825a95fe92566ada2292a65de030850b5cff1da] Merge tag 'selinux-pr-20190917' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux

testing commit 5825a95fe92566ada2292a65de030850b5cff1da
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 91c396dc8c9da122736faa2b5629075ea56f2f1de9be261e17f77722c9353d3a
all runs: crashed: general protection fault in rds_ib_add_one
# git bisect bad 5825a95fe92566ada2292a65de030850b5cff1da
Bisecting: 1929 revisions left to test after this (roughly 11 steps)
[578d2342ec702e5fb8a77983fabb3754ae3e9660] Merge tag 'drm-next-5.4-2019-08-23' of git://people.freedesktop.org/~agd5f/linux into drm-next

testing commit 578d2342ec702e5fb8a77983fabb3754ae3e9660
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 7b55717cf2eb4f35c9813ceb0f4fd3a4107e369c1747e3d7d1106c85428e2876
all runs: OK
# git bisect good 578d2342ec702e5fb8a77983fabb3754ae3e9660
Bisecting: 988 revisions left to test after this (roughly 10 steps)
[227c3e9eb5cf3552c2cc83225df6d14adb05f8e8] Merge tag 'compiler-attributes-for-linus-v5.4' of git://github.com/ojeda/linux

testing commit 227c3e9eb5cf3552c2cc83225df6d14adb05f8e8
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ae6a3d2a420d5007130ee21566e2fc5850ddaccaf6e69b207f9ab22aa8bc815b
all runs: OK
# git bisect good 227c3e9eb5cf3552c2cc83225df6d14adb05f8e8
Bisecting: 503 revisions left to test after this (roughly 9 steps)
[6cb2e9ee51b5f1539f027346a02904e282b87d4d] Merge tag 'libnvdimm-for-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm

testing commit 6cb2e9ee51b5f1539f027346a02904e282b87d4d
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: c5f00d880fb84c2c9784b011f1e783b81669fc59502462f20337e7e0173df090
all runs: crashed: general protection fault in rds_ib_add_one
# git bisect bad 6cb2e9ee51b5f1539f027346a02904e282b87d4d
Bisecting: 242 revisions left to test after this (roughly 8 steps)
[d8d9f7931ac2698fc2b37d2db748c47122ee2a6f] scsi: ufs: Introduce vops for resetting device

testing commit d8d9f7931ac2698fc2b37d2db748c47122ee2a6f
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: af7d7b5e1849dd3455c7e3b485c182295bb19237276a3a13973eb42d49658318
all runs: boot failed: general protection fault in dma_direct_max_mapping_size
# git bisect skip d8d9f7931ac2698fc2b37d2db748c47122ee2a6f
Bisecting: 241 revisions left to test after this (roughly 8 steps)
[b8416b2fedbf1cfe1c3645c627b2341d253880bd] scsi: ufs-qcom: Implement device_reset vops

testing commit b8416b2fedbf1cfe1c3645c627b2341d253880bd
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: af7d7b5e1849dd3455c7e3b485c182295bb19237276a3a13973eb42d49658318
all runs: boot failed: general protection fault in dma_direct_max_mapping_size
# git bisect skip b8416b2fedbf1cfe1c3645c627b2341d253880bd
Bisecting: 241 revisions left to test after this (roughly 8 steps)
[e74006edd0d42b45ff37ae4ae13c614cfa30056b] scsi: hisi_sas: Fix the conflict between device gone and host reset

testing commit e74006edd0d42b45ff37ae4ae13c614cfa30056b
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ce53bb47481cad633451cad5952765f71b691a786e5c320f4b2294a831175e29
all runs: boot failed: general protection fault in dma_direct_max_mapping_size
# git bisect skip e74006edd0d42b45ff37ae4ae13c614cfa30056b
Bisecting: 241 revisions left to test after this (roughly 8 steps)
[5f6c32d7ce576e9275ab2e9b21192f5cd5f24273] scsi: hisi_sas: Drop SMP resp frame DMA mapping

testing commit 5f6c32d7ce576e9275ab2e9b21192f5cd5f24273
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2144adc8190fe07298972d8ceb1ec04b2813629caf3257c95ab6f1885a885a99
all runs: boot failed: general protection fault in dma_direct_max_mapping_size
# git bisect skip 5f6c32d7ce576e9275ab2e9b21192f5cd5f24273
Bisecting: 241 revisions left to test after this (roughly 8 steps)
[5797bcc897c363a775ac3d929b62d2579bdf8573] scsi: qedf: Use discovery list to traverse rports

testing commit 5797bcc897c363a775ac3d929b62d2579bdf8573
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2144adc8190fe07298972d8ceb1ec04b2813629caf3257c95ab6f1885a885a99
all runs: boot failed: general protection fault in dma_direct_max_mapping_size
# git bisect skip 5797bcc897c363a775ac3d929b62d2579bdf8573
Bisecting: 241 revisions left to test after this (roughly 8 steps)
[d7e5ca88d60c0b5e166e33bfe356e961824ce0f4] RDMA/hns: Modify pi vlaue when cq overflows

testing commit d7e5ca88d60c0b5e166e33bfe356e961824ce0f4
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d39d82ac04bfa48b0946fec8d218c961a2556f18976d89c5175e4f57f1d1022b
all runs: boot failed: general protection fault in dma_direct_max_mapping_size
# git bisect skip d7e5ca88d60c0b5e166e33bfe356e961824ce0f4
Bisecting: 241 revisions left to test after this (roughly 8 steps)
[2f8eeaa258a9e8ac922f72957a5b0643c0d1b7f0] scsi: bnx2fc: remove set but not used variables 'lport','host'

testing commit 2f8eeaa258a9e8ac922f72957a5b0643c0d1b7f0
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2144adc8190fe07298972d8ceb1ec04b2813629caf3257c95ab6f1885a885a99
all runs: boot failed: general protection fault in dma_direct_max_mapping_size
# git bisect skip 2f8eeaa258a9e8ac922f72957a5b0643c0d1b7f0
Bisecting: 241 revisions left to test after this (roughly 8 steps)
[810e24e009cf71bf85a1524f272a744c54ca6591] mm/mmu_notifiers: annotate with might_sleep()

testing commit 810e24e009cf71bf85a1524f272a744c54ca6591
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 432c7d2ad7589cefb728b1a497758902f6a34186fbe396a14043edb27e1e6c27
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" "/tmp/syz-executor121316716" "root@10.128.10.61:./syz-executor121316716"]: exit status 1
Connection timed out during banner exchange
Connection to 10.128.10.61 port 22 timed out
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 810e24e009cf71bf85a1524f272a744c54ca6591
Bisecting: 207 revisions left to test after this (roughly 8 steps)
[530dd8a7a2b1ff2ee6c862ba250ca54ccc8c8c3e] scsi: smartpqi: correct hang when deleting 32 lds

testing commit 530dd8a7a2b1ff2ee6c862ba250ca54ccc8c8c3e
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 2144adc8190fe07298972d8ceb1ec04b2813629caf3257c95ab6f1885a885a99
all runs: boot failed: general protection fault in dma_direct_max_mapping_size
# git bisect skip 530dd8a7a2b1ff2ee6c862ba250ca54ccc8c8c3e
Bisecting: 207 revisions left to test after this (roughly 8 steps)
[1bc5ba836e3ba02b8c7981a1fb453fe33513526d] RDMA/efa: Use existing FIELD_SIZEOF macro

testing commit 1bc5ba836e3ba02b8c7981a1fb453fe33513526d
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1188392e222bb8c8cdaa5f958d32c05e16acfb97f74019e3569bb9fb6e44a724
all runs: crashed: general protection fault in rds_ib_add_one
# git bisect bad 1bc5ba836e3ba02b8c7981a1fb453fe33513526d
Bisecting: 36 revisions left to test after this (roughly 5 steps)
[05bb411ada9508b48044ef5d84dd8bc46cece607] RDMA/core: Introduce ratelimited ibdev printk functions

testing commit 05bb411ada9508b48044ef5d84dd8bc46cece607
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 4cfebaa2d57ad9d68d901d3bdf5487abdbf87ba0f9181a0b2eecea4ea2452b28
all runs: boot failed: general protection fault in dma_direct_max_mapping_size
# git bisect skip 05bb411ada9508b48044ef5d84dd8bc46cece607
Bisecting: 36 revisions left to test after this (roughly 5 steps)
[b2590bdd0b1dfb91737e6cb07ebb47bd74957f7e] IB/hfi1: Do not update hcrc for a KDETH packet during fault injection

testing commit b2590bdd0b1dfb91737e6cb07ebb47bd74957f7e
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ec0b08043ddc2464c2ac4dfa094de5a88af5d199b40eee220757709c5a54057c
all runs: boot failed: general protection fault in dma_direct_max_mapping_size
# git bisect skip b2590bdd0b1dfb91737e6cb07ebb47bd74957f7e
Bisecting: 36 revisions left to test after this (roughly 5 steps)
[6def7de6d450893852802794ab44d8053672cf88] RDMA/hns: Update some comments style

testing commit 6def7de6d450893852802794ab44d8053672cf88
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: d39d82ac04bfa48b0946fec8d218c961a2556f18976d89c5175e4f57f1d1022b
all runs: boot failed: general protection fault in dma_direct_max_mapping_size
# git bisect skip 6def7de6d450893852802794ab44d8053672cf88
Bisecting: 36 revisions left to test after this (roughly 5 steps)
[ecc53f8a3c097d13f4b6793855e0bd30a63a5c3a] RDMA/mlx4: Untag user pointers in mlx4_get_umem_mr

testing commit ecc53f8a3c097d13f4b6793855e0bd30a63a5c3a
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 4dc309a40ff52d509f504d57d99ea2f9d31b1c6f637b3ccd605f862659dfe51e
all runs: boot failed: general protection fault in dma_direct_max_mapping_size
# git bisect skip ecc53f8a3c097d13f4b6793855e0bd30a63a5c3a
Bisecting: 36 revisions left to test after this (roughly 5 steps)
[3e1f000ff74627c1adb99ee513f29ec2522ee309] IB/mlx5: Support per device q counters in switchdev mode

testing commit 3e1f000ff74627c1adb99ee513f29ec2522ee309
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: ab8d852e2b009a3e0744c835af132730d40adda72f4f80c74fd49acf6e91d4ba
all runs: boot failed: general protection fault in dma_direct_max_mapping_size
# git bisect skip 3e1f000ff74627c1adb99ee513f29ec2522ee309
Bisecting: 36 revisions left to test after this (roughly 5 steps)
[868df536f5e84672c3e002b949e0e44f97cb0f09] Merge branch 'odp_fixes' into rdma.git for-next

testing commit 868df536f5e84672c3e002b949e0e44f97cb0f09
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 1188392e222bb8c8cdaa5f958d32c05e16acfb97f74019e3569bb9fb6e44a724
all runs: crashed: general protection fault in rds_ib_add_one
# git bisect bad 868df536f5e84672c3e002b949e0e44f97cb0f09
Bisecting: 34 revisions left to test after this (roughly 5 steps)
[20cf4e026730104892fa1268de0371a631cee294] rdma: Enable ib_alloc_cq to spread work over a device's comp_vectors

testing commit 20cf4e026730104892fa1268de0371a631cee294
compiler: gcc version 8.4.1 20210217 (GCC)
kernel signature: 867eaff764a94823436f5b78f20d07c22c361b285169a8f85991c87fedd7dc30
all runs: boot failed: general protection fault in dma_direct_max_mapping_size
# git bisect skip 20cf4e026730104892fa1268de0371a631cee294
Bisecting: 34 revisions left to test after this (roughly 5 steps)
[525a2c651cdd08b19a4c04f63b87e460765220ac] Merge branch 'wip/dl-for-rc' into wip/dl-for-next

revisions tested: 35, total time: 8h8m23.236982381s (build: 3h39m7.223518495s, test: 4h25m5.060155284s)
error: bisection is taking too long (>8h0m0s), aborting