ci2 starts bisection 2023-03-02 00:57:13.381144195 +0000 UTC m=+17248.319833532 bisecting fixing commit since b7b275e60bcd5f89771e865a8239325f86d9927d building syzkaller on 247de55b7ea6f9f235a407518b10c1496c8b25b3 ensuring issue is reproducible on original commit b7b275e60bcd5f89771e865a8239325f86d9927d testing commit b7b275e60bcd5f89771e865a8239325f86d9927d gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: bd0db6ac70d8a4effbba25f2e4d204410bdb9b0af8182964286527cf71ae6c0c all runs: crashed: WARNING in get_page_from_freelist testing current HEAD ee3f96b164688dae21e2466a57f2e806b64e8a37 testing commit ee3f96b164688dae21e2466a57f2e806b64e8a37 gcc compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 0492211dceb1177e74329a8b054a21031156d1549eb6f24205bdcc2a0c8b49e5 all runs: crashed: WARNING in z_erofs_decompress_queue revisions tested: 2, total time: 46m38.494880124s (build: 36m40.091309323s, test: 6m28.069766227s) the crash still happens on HEAD commit msg: Merge tag 'nfsd-6.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux crash: WARNING in z_erofs_decompress_queue ------------[ cut here ]------------ WARNING: CPU: 0 PID: 4401 at mm/page_alloc.c:5567 __alloc_pages+0x432/0x7f0 Modules linked in: CPU: 0 PID: 4401 Comm: kworker/u5:1 Not tainted 6.2.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Workqueue: erofs_worker z_erofs_decompressqueue_work RIP: 0010:__alloc_pages+0x432/0x7f0 Code: fc ff df 0f 85 fa 00 00 00 44 89 e9 81 e1 7f ff ff ff a9 00 00 04 00 41 0f 44 cd 41 89 cd e9 ea 00 00 00 c6 05 4d 3e 76 0b 01 <0f> 0b 41 83 fc 0a 0f 86 a7 fc ff ff 45 31 e4 48 c7 44 24 20 0e 36 RSP: 0018:ffffc900061af600 EFLAGS: 00010246 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000028 RSI: 0000000000000000 RDI: ffffc900061af688 RBP: ffffc900061af718 R08: dffffc0000000000 R09: ffffc900061af660 R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000000b R13: 0000000000048dc0 R14: 1ffff92000c35ec8 R15: 1ffff92000c35ec4 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0a2f7f6028 CR3: 000000000bd27000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kmalloc_large_node+0x95/0x1e0 __kmalloc+0x102/0x1a0 z_erofs_decompress_queue+0x645/0x27f0 z_erofs_decompressqueue_work+0x94/0xe0 process_one_work+0x80e/0x1050 worker_thread+0x8c9/0xfd0 kthread+0x232/0x2b0 ret_from_fork+0x1f/0x30