bisecting fixing commit since 3f667b5d4053ad54aee13dab5c94f04ff75ddfdf
building syzkaller on 44068e196185e2f5a7c94629b6245cdde008b140
testing commit 3f667b5d4053ad54aee13dab5c94f04ff75ddfdf
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 7602b70fbb89813a228ca0cd81c4ac0495ec6965b0162072797bd961447e4cb2
all runs: crashed: KASAN: slab-out-of-bounds Read in __htab_map_lookup_and_delete_batch
testing current HEAD 4b35035bcf80ddb47c0112c4fbd84a63a2836a18
testing commit 4b35035bcf80ddb47c0112c4fbd84a63a2836a18
compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: f9394b7024ce6991e9c59b44e859046065f7c23ca3b6ebaa97f633a5210b8478
run #0: crashed: KASAN: slab-out-of-bounds Read in __htab_map_lookup_and_delete_batch
run #1: crashed: KASAN: slab-out-of-bounds Read in __htab_map_lookup_and_delete_batch
run #2: crashed: INFO: rcu detected stall in corrupted
run #3: crashed: KASAN: slab-out-of-bounds Read in __htab_map_lookup_and_delete_batch
run #4: crashed: INFO: rcu detected stall in corrupted
run #5: crashed: INFO: rcu detected stall in corrupted
run #6: crashed: KASAN: slab-out-of-bounds Read in __htab_map_lookup_and_delete_batch
run #7: crashed: KASAN: slab-out-of-bounds Read in __htab_map_lookup_and_delete_batch
run #8: crashed: KASAN: slab-out-of-bounds Read in __htab_map_lookup_and_delete_batch
run #9: crashed: INFO: rcu detected stall in corrupted
revisions tested: 2, total time: 19m39.898087579s (build: 12m19.582420467s, test: 6m30.31265124s)
the crash still happens on HEAD
commit msg: Merge tag 'nfs-for-5.19-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
crash: INFO: rcu detected stall in corrupted
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P4184 } 4 jiffies s: 2941 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):