Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x283 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x154 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2898 [inline] prepare_alloc_pages mm/page_alloc.c:4131 [inline] __alloc_pages_nodemask+0x22c/0x2720 mm/page_alloc.c:4179 general protection fault: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 8027 Comm: kworker/u5:5 Not tainted 4.14.210-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: hci4 hci_rx_work task: ffff88805c1a66c0 task.stack: ffff88805c1c0000 alloc_pages_vma+0xd2/0x6d0 mm/mempolicy.c:2077 RIP: 0010:hci_phy_link_complete_evt.isra.0+0x201/0x840 net/bluetooth/hci_event.c:4359 shmem_alloc_page+0xe0/0x180 mm/shmem.c:1475 RSP: 0018:ffff88805c1c7ae0 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff1100b834df8 RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000010 RBP: ffff88805c128a50 R08: 0000000000000000 R09: 0000000000000003 R10: 0000000000000000 R11: ffff88805c1a66c0 R12: ffff88805c1299a8 R13: 00000000000000c9 R14: ffff8880b382958b R15: ffff88809a338c00 shmem_alloc_and_acct_page+0x126/0x620 mm/shmem.c:1500 FS: 0000000000000000(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 shmem_getpage_gfp+0x302/0x2810 mm/shmem.c:1777 CR2: 0000000000503570 CR3: 000000005e6f4000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 shmem_getpage mm/shmem.c:131 [inline] shmem_write_begin+0xeb/0x190 mm/shmem.c:2416 Call Trace: generic_perform_write+0x1c9/0x420 mm/filemap.c:3055 hci_event_packet+0x224b/0x750f net/bluetooth/hci_event.c:5442 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180 generic_file_write_iter+0x36f/0x650 mm/filemap.c:3208 call_write_iter include/linux/fs.h:1778 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x44c/0x630 fs/read_write.c:482 vfs_write+0x17f/0x4d0 fs/read_write.c:544 hci_rx_work+0x427/0xb40 net/bluetooth/hci_core.c:4244 SYSC_pwrite64 fs/read_write.c:632 [inline] SyS_pwrite64+0x116/0x140 fs/read_write.c:619 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4179d7 kthread+0x30d/0x420 kernel/kthread.c:232 RSP: 002b:00007fe112be0a10 EFLAGS: 00000293 ORIG_RAX: 0000000000000012 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004179d7 Code: RDX: 0000000000000066 RSI: 0000000020010000 RDI: 0000000000000004 fa RBP: 0000000000000000 R08: 0000000020000290 R09: 0000000000000000 48 R10: 0000000000000400 R11: 0000000000000293 R12: 0000000000000006 c1 R13: 0000000000000004 R14: 0000000000000004 R15: 0000000020000210 ea EXT4-fs (loop1): orphan cleanup on readonly fs 03 80 3c 02 00 0f EXT4-fs error (device loop1): ext4_free_inode:286: comm syz-executor.1: reserved or nonexistent inode 3 85 85 05 00 00 49 8b 9f 40 08 00 00 48 b8 00 00 00 00 00 fc ff df 48 EXT4-fs warning (device loop1): ext4_enable_quotas:5755: Failed to enable quota tracking (type=-1, err=-22). Please run e2fsck to fix. 8d 7b 10 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f EXT4-fs (loop1): Cannot turn on quotas: error -22 85 69 05 00 00 EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue 48 b8 00 00 EXT4-fs (loop0): ext4_check_descriptors: Checksum for group 0 failed (60935!=0) 00 00 00 fc ff df 48 RIP: hci_phy_link_complete_evt.isra.0+0x201/0x840 net/bluetooth/hci_event.c:4359 RSP: ffff88805c1c7ae0 ---[ end trace c22850182c9fdb72 ]--- EXT4-fs (loop2): ext4_check_descriptors: Checksum for group 0 failed (60935!=0)