ci2 starts bisection 2023-06-30 03:18:13.804079521 +0000 UTC m=+19506.007108496 bisecting fixing commit since 1fe619a7d25218e9b9fdcce9fcac6a05cd62abed building syzkaller on cf1845599c0bdab59c69518eaa0ecb960ec7ddf0 ensuring issue is reproducible on original commit 1fe619a7d25218e9b9fdcce9fcac6a05cd62abed testing commit 1fe619a7d25218e9b9fdcce9fcac6a05cd62abed gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e461f37bca428c5d14e9cedbf7c0e2050e8eddc06759c1ecc11ab8a864063323 run #0: crashed: kernel BUG in ext4_write_inline_data run #1: crashed: kernel BUG in ext4_write_inline_data run #2: crashed: kernel BUG in ext4_write_inline_data run #3: crashed: kernel BUG in ext4_write_inline_data run #4: crashed: kernel BUG in ext4_write_inline_data run #5: crashed: kernel BUG in ext4_writepages run #6: crashed: kernel BUG in ext4_write_inline_data run #7: crashed: kernel BUG in ext4_write_inline_data run #8: crashed: kernel BUG in ext4_writepages run #9: crashed: kernel BUG in ext4_write_inline_data run #10: crashed: kernel BUG in ext4_writepages run #11: crashed: kernel BUG in ext4_write_inline_data run #12: crashed: kernel BUG in ext4_write_inline_data run #13: crashed: kernel BUG in ext4_write_inline_data run #14: crashed: kernel BUG in ext4_writepages run #15: crashed: kernel BUG in ext4_write_inline_data run #16: crashed: kernel BUG in ext4_write_inline_data run #17: crashed: kernel BUG in ext4_write_inline_data run #18: crashed: kernel BUG in ext4_write_inline_data run #19: OK testing current HEAD 4af60700a60cc45ee4fb6d579cccf1b7bca20c34 testing commit 4af60700a60cc45ee4fb6d579cccf1b7bca20c34 gcc compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 4285fcd426deefa36af32ca12c729cd6b626c2232e09b9b46e217bcedbb3b5c0 run #0: crashed: kernel BUG in ext4_write_inline_data run #1: crashed: kernel BUG in ext4_write_inline_data run #2: crashed: kernel BUG in ext4_write_inline_data run #3: crashed: kernel BUG in ext4_writepages run #4: crashed: kernel BUG in ext4_write_inline_data run #5: crashed: kernel BUG in ext4_writepages run #6: crashed: kernel BUG in ext4_writepages run #7: crashed: kernel BUG in ext4_writepages run #8: crashed: kernel BUG in ext4_writepages run #9: crashed: kernel BUG in ext4_writepages crash still not fixed/happens on the oldest tested release revisions tested: 2, total time: 57m53.595527128s (build: 39m40.294377759s, test: 17m15.720828595s) crash still not fixed on HEAD or HEAD had kernel test errors commit msg: Linux 5.15.119 crash: kernel BUG in ext4_writepages ------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:2731! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 418 Comm: kworker/u4:3 Not tainted 5.15.119-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 Workqueue: writeback wb_workfn (flush-7:0) RIP: 0010:ext4_writepages+0x198f/0x2b20 fs/ext4/inode.c:2731 Code: 0f 87 61 c5 88 06 be 00 10 00 00 ba 01 00 00 00 4c 89 e7 48 d3 ee e8 c0 5c fe ff 83 c0 01 89 84 24 c8 00 00 00 e9 44 ec ff ff <0f> 0b 89 44 24 08 e9 8e f0 ff ff 48 8b 7c 24 28 e8 0c 1e ba ff e9 RSP: 0018:ffffc9000299f3d0 EFLAGS: 00010247 RAX: 000000c410000000 RBX: ffff88807acf4000 RCX: ffffffff81ef5b10 RDX: 1ffff1100d7ab00a RSI: 0000000000000008 RDI: ffff88806bd58050 RBP: ffff88806bd58050 R08: 0000000000000000 R09: ffff88806bd58057 R10: ffffed100d7ab00a R11: 0000000000000001 R12: ffff88806bd582a0 R13: ffffc9000299f9a8 R14: 0000000000000001 R15: ffff88807acf4000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f36ba6ed258 CR3: 00000000231f7000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_writepages+0x16c/0x6e0 mm/page-writeback.c:2364 __writeback_single_inode+0xd6/0x930 fs/fs-writeback.c:1625 writeback_sb_inodes+0x466/0xc00 fs/fs-writeback.c:1908 wb_writeback+0x22e/0x7a0 fs/fs-writeback.c:2082 wb_do_writeback fs/fs-writeback.c:2225 [inline] wb_workfn+0x263/0xe30 fs/fs-writeback.c:2266 process_one_work+0x85b/0x1360 kernel/workqueue.c:2307 worker_thread+0x5a6/0xf90 kernel/workqueue.c:2454 kthread+0x38b/0x460 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Modules linked in: ---[ end trace a1264374d1314cda ]--- RIP: 0010:ext4_writepages+0x198f/0x2b20 fs/ext4/inode.c:2731 Code: 0f 87 61 c5 88 06 be 00 10 00 00 ba 01 00 00 00 4c 89 e7 48 d3 ee e8 c0 5c fe ff 83 c0 01 89 84 24 c8 00 00 00 e9 44 ec ff ff <0f> 0b 89 44 24 08 e9 8e f0 ff ff 48 8b 7c 24 28 e8 0c 1e ba ff e9 RSP: 0018:ffffc9000299f3d0 EFLAGS: 00010247 RAX: 000000c410000000 RBX: ffff88807acf4000 RCX: ffffffff81ef5b10 RDX: 1ffff1100d7ab00a RSI: 0000000000000008 RDI: ffff88806bd58050 RBP: ffff88806bd58050 R08: 0000000000000000 R09: ffff88806bd58057 R10: ffffed100d7ab00a R11: 0000000000000001 R12: ffff88806bd582a0 R13: ffffc9000299f9a8 R14: 0000000000000001 R15: ffff88807acf4000 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f36ba6ed258 CR3: 00000000231f7000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400