bisecting cause commit starting from 10b84daddbec72c6b440216a69de9a9605127f7a
building syzkaller on 0174c6c8f78a3fdd002a73a5fdf559c1b0ec8c34
testing commit 10b84daddbec72c6b440216a69de9a9605127f7a with gcc (GCC) 8.1.0
kernel signature: 1cd50468292065bfc90d0059b55346d5354e3706
all runs: crashed: general protection fault in hfs_find_init
testing release v4.15
testing commit d8a5b80568a9cb66810e75b182018e9edb68e8ff with gcc (GCC) 8.1.0
kernel signature: 5ef3fbff9d7303b41ddad26d1a171c31cf502dd2
all runs: crashed: general protection fault in hfs_find_init
testing release v4.14
testing commit bebc6082da0a9f5d47a1ea2edc099bf671058bd4 with gcc (GCC) 8.1.0
kernel signature: 73c9c13c87460edbd1b2469a8d179bf4bf32f22e
all runs: crashed: general protection fault in hfs_find_init
testing release v4.13
testing commit 569dbb88e80deb68974ef6fdd6a13edb9d686261 with gcc (GCC) 8.1.0
kernel signature: eb52397d227f0eae02f7fe5115a6f579e6b327ee
all runs: crashed: general protection fault in hfs_find_init
testing release v4.12
testing commit 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c with gcc (GCC) 8.1.0
kernel signature: 08ecd213d48dc2b063652e33977a841ec7ea939f
all runs: crashed: general protection fault in hfs_find_init
testing release v4.11
testing commit a351e9b9fc24e982ec2f0e76379a49826036da12 with gcc (GCC) 7.3.0
kernel signature: ad1dee08c3183136e0e144f11c65925d1690e178
all runs: crashed: general protection fault in hfs_find_init
testing release v4.10
testing commit c470abd4fde40ea6a0846a2beab642a578c0b8cd with gcc (GCC) 5.5.0
kernel signature: 349f7b2625367c98b43f6e63184ee6cb4cdb0bd1
all runs: crashed: general protection fault in hfs_find_init
testing release v4.9
testing commit 69973b830859bc6529a7a0468ba0d80ee5117826 with gcc (GCC) 5.5.0
kernel signature: e1bef1ab4b2f5f755f9f0e5978de4893b7ccfa64
all runs: crashed: general protection fault in hfs_find_init
testing release v4.8
testing commit c8d2bc9bc39ebea8437fd974fdbc21847bb897a3 with gcc (GCC) 5.5.0
kernel signature: 7d883c91fa39080ec38568b0bc7eefec95fef4d1
all runs: crashed: general protection fault in hfs_find_init
testing release v4.7
testing commit 523d939ef98fd712632d93a5a2b588e477a7565e with gcc (GCC) 5.5.0
kernel signature: 44c02606f806722596fa69dbb71bbfe6bbb108c0
run #0: crashed: general protection fault in hfs_find_init
run #1: crashed: general protection fault in corrupted
run #2: crashed: general protection fault in hfs_find_init
run #3: crashed: general protection fault in hfs_find_init
run #4: crashed: general protection fault in hfs_find_init
run #5: crashed: general protection fault in hfs_find_init
run #6: crashed: general protection fault in hfs_find_init
run #7: crashed: general protection fault in hfs_find_init
run #8: crashed: general protection fault in hfs_find_init
run #9: crashed: general protection fault in hfs_find_init
testing release v4.6
testing commit 2dcd0af568b0cf583645c8a317dd12e344b1c72a with gcc (GCC) 5.5.0
kernel signature: d7f52f4600e0c4ab2ca300e483848a16103a4657
run #0: crashed: general protection fault in hfs_find_init
run #1: crashed: general protection fault in hfs_find_init
run #2: crashed: general protection fault in hfs_find_init
run #3: crashed: general protection fault in hfs_find_init
run #4: crashed: general protection fault in hfs_find_init
run #5: crashed: general protection fault in hfs_find_init
run #6: crashed: general protection fault in hfs_find_init
run #7: crashed: general protection fault in hfs_find_init
run #8: crashed: general protection fault in hfs_find_init
run #9: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED Location: Message:Quota 'CPUS' exceeded.  Limit: 500.0 in region us-central1. ForceSendFields:[] NullFields:[]}.
testing release v4.5
testing commit b562e44f507e863c6792946e4e1b1449fbbac85d with gcc (GCC) 5.5.0
kernel signature: 23e2a92f7b434a89517525133d377df6693a936a
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #7: crashed: BUG: unable to handle kernel
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #9: boot failed: create image operation failed: &{Code:QUOTA_EXCEEDED Location: Message:Quota 'CPUS' exceeded.  Limit: 500.0 in region us-central1. ForceSendFields:[] NullFields:[]}.
testing release v4.4
testing commit afd2ff9b7e1b367172f18ba7f693dfb62bdcb2dc with gcc (GCC) 5.5.0
kernel signature: 82d26b27f8c6945039d07b371c9e789e2c341998
run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #7: crashed: BUG: unable to handle kernel
run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
testing release v4.3
testing commit 6a13feb9c82803e2b815eca72fa7a9f5561d7861 with gcc (GCC) 5.5.0
kernel signature: 29fec6824079bfaad219233f5ea4be0fd0e4bfa0
run #0: crashed: BUG: unable to handle kernel
run #1: crashed: BUG: unable to handle kernel
run #2: crashed: BUG: unable to handle kernel
run #3: crashed: BUG: unable to handle kernel
run #4: crashed: BUG: unable to handle kernel
run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #6: crashed: no output from test machine
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
testing release v4.2
testing commit 64291f7db5bd8150a74ad2036f1037e6a0428df2 with gcc (GCC) 5.5.0
kernel signature: 8ea4dd818dbae49251e8c381cd41d6065e96be0a
run #0: crashed: BUG: unable to handle kernel
run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in hfs_find_init
run #3: crashed: BUG: unable to handle kernel
run #4: crashed: BUG: unable to handle kernel
run #5: crashed: no output from test machine
run #6: crashed: no output from test machine
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
testing release v4.1
testing commit b953c0d234bc72e8489d3bf51a276c5c4ec85345 with gcc (GCC) 5.5.0
kernel signature: 45e52a74e4694cdf10b1e8da34e20e9ff8000b33
run #0: crashed: BUG: unable to handle kernel
run #1: crashed: BUG: unable to handle kernel
run #2: crashed: no output from test machine
run #3: crashed: no output from test machine
run #4: crashed: no output from test machine
run #5: crashed: no output from test machine
run #6: crashed: no output from test machine
run #7: crashed: no output from test machine
run #8: crashed: no output from test machine
run #9: crashed: no output from test machine
revisions tested: 16, total time: 2h2m44.209396765s (build: 56m2.900604295s, test: 1h2m12.782194343s)
the crash already happened on the oldest tested release
commit msg: Linux 4.1
crash: no output from test machine