kernel_init+0x6f/0x1d0 init/main.c:1529 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 page_owner free stack trace missing ------------[ cut here ]------------ kernel BUG at mm/filemap.c:1538! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 13157 Comm: syz-executor.4 Not tainted 5.19.0-rc3-next-20220624-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:folio_unlock+0x196/0x1d0 mm/filemap.c:1538 Code: de 41 0f 94 c4 44 89 e7 e8 17 e8 d8 ff 41 38 dc 0f 85 23 ff ff ff e8 79 ec d8 ff 48 c7 c6 c0 8f d6 89 48 89 ef e8 1a a8 0e 00 <0f> 0b 48 89 df e8 30 3e 25 00 e9 9a fe ff ff 48 89 df e8 23 3e 25 RSP: 0018:ffffc900151bfcc8 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000c4d9000 RDX: 0000000000040000 RSI: ffffffff81a1c246 RDI: 0000000000000003 RBP: ffffea0000458000 R08: 0000000000000003 R09: 000000000000ffff R10: 000000000000ffff R11: 0000000000000001 R12: ffffea0000458000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880755fba80 FS: 00007f2277134700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200d3000 CR3: 0000000078f51000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hugetlbfs_fallocate+0x8a1/0x1600 fs/hugetlbfs/inode.c:787 vfs_fallocate+0x487/0xe00 fs/open.c:323 ksys_fallocate fs/open.c:346 [inline] __do_sys_fallocate fs/open.c:354 [inline] __se_sys_fallocate fs/open.c:352 [inline] __x64_sys_fallocate+0xcf/0x140 fs/open.c:352 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f2276089109 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2277134168 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007f227619bf60 RCX: 00007f2276089109 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f22760e305d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000400001 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdaf9485ef R14: 00007f2277134300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_unlock+0x196/0x1d0 mm/filemap.c:1538 Code: de 41 0f 94 c4 44 89 e7 e8 17 e8 d8 ff 41 38 dc 0f 85 23 ff ff ff e8 79 ec d8 ff 48 c7 c6 c0 8f d6 89 48 89 ef e8 1a a8 0e 00 <0f> 0b 48 89 df e8 30 3e 25 00 e9 9a fe ff ff 48 89 df e8 23 3e 25 RSP: 0018:ffffc900151bfcc8 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000c4d9000 RDX: 0000000000040000 RSI: ffffffff81a1c246 RDI: 0000000000000003 RBP: ffffea0000458000 R08: 0000000000000003 R09: 000000000000ffff R10: 000000000000ffff R11: 0000000000000001 R12: ffffea0000458000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880755fba80 FS: 00007f2277134700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020c59000 CR3: 0000000078f51000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400