loop0: detected capacity change from 0 to 40427 F2FS-fs (loop0): invalid crc value F2FS-fs (loop0): f2fs_recover_fsync_data: recovery fsync data, check_only: 1 F2FS-fs (loop0): f2fs_disable_checkpoint starts, unusable: 0 F2FS-fs (loop0): f2fs_disable_checkpoint: call f2fs_write_checkpoint(), meta: 0, node: 0, data: 0 F2FS-fs (loop0): Start checkpoint disabled! F2FS-fs (loop0): f2fs_disable_checkpoint finishes, err:0 F2FS-fs (loop0): Mounted with checkpoint version = 48b305e6 ------------[ cut here ]------------ 1 WARNING: mm/slub.c:5459 at ___kmalloc_large_node+0x10c/0x170 mm/slub.c:5459, CPU#0: syz.0.0/5355 Modules linked in: CPU: 0 UID: 0 PID: 5355 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:___kmalloc_large_node+0x10c/0x170 mm/slub.c:5459 Code: 41 c7 46 30 00 00 00 f8 eb 03 45 31 ff 4c 89 ff 48 89 de 89 ea 5b 41 5c 41 5e 41 5f 5d e9 fc e1 0b 00 c6 05 04 16 71 0f 01 90 <0f> 0b 90 31 c0 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc 89 ef 89 RSP: 0018:ffffc9000de6fa00 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00000000fffffc5c RCX: 0000000000100000 RDX: 00000000ffffffff RSI: 0000000000000cc0 RDI: 00000000fffffc5c RBP: 0000000000000cc0 R08: ffffffff85a59b99 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffffff85aeae10 R12: ffff8880141ab000 R13: ffffffff85aeb48a R14: 00000000fffffc5c R15: 00000000fffffc5c FS: 00007fd2736df6c0(0000) GS:ffff88808a9f6000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd2729fc2e0 CR3: 000000000fc77000 CR4: 0000000000352ef0 Call Trace: __kmalloc_large_node_noprof+0x18/0x90 mm/slub.c:5502 __do_kmalloc_node mm/slub.c:5519 [inline] __kmalloc_noprof+0x3f6/0x710 mm/slub.c:5556 _kmalloc_noprof include/linux/slab.h:995 [inline] drm_syncobj_array_find+0x3a/0x440 drivers/gpu/drm/drm_syncobj.c:1241 drm_syncobj_wait_ioctl+0x1fa/0x630 drivers/gpu/drm/drm_syncobj.c:1312 drm_ioctl_kernel+0x2df/0x3b0 drivers/gpu/drm/drm_ioctl.c:817 drm_ioctl+0x70e/0xba0 drivers/gpu/drm/drm_ioctl.c:914 vfs_ioctl fs/ioctl.c:52 [inline] __do_sys_ioctl fs/ioctl.c:598 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x16a/0x530 arch/x86/entry/syscall_64.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd2727a94d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd2736defe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fd272a25fa0 RCX: 00007fd2727a94d9 RDX: 0000200000000240 RSI: 00000000c02864c3 RDI: 0000000000000005 RBP: 00007fd27283804e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd272a26038 R14: 00007fd272a25fa0 R15: 00007ffc0e511dc8