bisecting fixing commit since a8ad9a2434dc7967ab285437f443cae633b6fc1c building syzkaller on 6b3c5e64ee67d74980d229cd1332aa038d4ce936 testing commit a8ad9a2434dc7967ab285437f443cae633b6fc1c compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: ad2cce1f7cad626e38e938b7198dbc983f9ffd702dd24be483a15109da31369a run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM run #1: crashed: kernel BUG in ext4_write_inline_data_end run #2: crashed: kernel BUG in ext4_write_inline_data_end run #3: crashed: kernel BUG in ext4_write_inline_data_end run #4: crashed: kernel BUG in ext4_write_inline_data_end run #5: crashed: kernel BUG in ext4_write_inline_data_end run #6: crashed: kernel BUG in ext4_write_inline_data_end run #7: crashed: kernel BUG in ext4_write_inline_data_end run #8: crashed: kernel BUG in __block_commit_write run #9: crashed: kernel BUG in ext4_write_inline_data_end run #10: crashed: kernel BUG in ext4_write_inline_data_end run #11: crashed: kernel BUG in ext4_write_inline_data_end run #12: crashed: kernel BUG in __block_commit_write run #13: crashed: kernel BUG in ext4_write_inline_data_end run #14: crashed: kernel BUG in ext4_write_inline_data_end run #15: crashed: kernel BUG in ext4_write_inline_data_end run #16: crashed: kernel BUG in ext4_write_inline_data_end run #17: crashed: kernel BUG in ext4_write_inline_data_end run #18: crashed: kernel BUG in __block_commit_write run #19: crashed: kernel BUG in __block_commit_write testing current HEAD 03c765b0e3b4cb5063276b086c76f7a612856a9a testing commit 03c765b0e3b4cb5063276b086c76f7a612856a9a compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 955278145ad0a4b191b5ccd4e9a4e805a69651eb06267366b3cfd9ec71d9a84b all runs: crashed: INFO: rcu detected stall in corrupted revisions tested: 2, total time: 20m34.469005756s (build: 12m45.131552194s, test: 6m57.270630589s) the crash still happens on HEAD commit msg: Linux 5.19-rc4 crash: INFO: rcu detected stall in corrupted rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P3934 } 4 jiffies s: 2961 root: 0x0/T rcu: blocking rcu_node structures (internal RCU debug):