RBP: 00007fd971e0a040 R08: 00007fd971e0a040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007fd971e0a000 R15: 0000000020000080 ------------[ cut here ]------------ kernel BUG at fs/inode.c:1571! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 9998 Comm: syz-executor.2 Not tainted 4.19.201-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:iput+0x536/0x6b0 fs/inode.c:1571 Code: 48 b8 00 00 00 00 00 fc ff df 48 8b 55 c8 48 c1 ea 03 80 3c 02 00 0f 84 ac fd ff ff 48 8b 7d c8 e8 7f ac f0 ff e9 9e fd ff ff <0f> 0b 48 89 df e8 60 f9 ff ff 48 8b 7d d0 e8 77 3e 0a 06 e9 2a fe RSP: 0018:ffff88809596fa18 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88808e7d4580 RCX: 1ffff11016262d65 RDX: 1ffff11011cfa8ca RSI: ffff8880b1316b08 RDI: ffff88808e7d4580 RBP: ffff88809596fa60 R08: ffff8880b1316b28 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808e7d4580 R13: ffff888095410a00 R14: 0000000000000000 R15: ffff888095410a68 FS: 00007fd971e0a700(0000) GS:ffff8880ba300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f67773dff78 CR3: 000000009b017000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: erofs_read_super drivers/staging/erofs/super.c:439 [inline] erofs_fill_super+0x10b4/0x1168 drivers/staging/erofs/super.c:499 mount_bdev+0x26f/0x330 fs/super.c:1158 erofs_mount+0x6a/0x90 drivers/staging/erofs/super.c:512 mount_fs+0x7f/0x2b0 fs/super.c:1261 vfs_kern_mount.part.11+0x58/0x3d0 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x376/0x2710 fs/namespace.c:2799 ksys_mount+0xb1/0xd0 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xb9/0x150 fs/namespace.c:3026 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x467afa Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd971e09fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467afa RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fd971e0a000 RBP: 00007fd971e0a040 R08: 00007fd971e0a040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007fd971e0a000 R15: 0000000020000080 Modules linked in: ---[ end trace 6280549f33e545d5 ]--- RIP: 0010:iput+0x536/0x6b0 fs/inode.c:1571 Code: 48 b8 00 00 00 00 00 fc ff df 48 8b 55 c8 48 c1 ea 03 80 3c 02 00 0f 84 ac fd ff ff 48 8b 7d c8 e8 7f ac f0 ff e9 9e fd ff ff <0f> 0b 48 89 df e8 60 f9 ff ff 48 8b 7d d0 e8 77 3e 0a 06 e9 2a fe RSP: 0018:ffff88809596fa18 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff88808e7d4580 RCX: 1ffff11016262d65 RDX: 1ffff11011cfa8ca RSI: ffff8880b1316b08 RDI: ffff88808e7d4580 RBP: ffff88809596fa60 R08: ffff8880b1316b28 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808e7d4580 R13: ffff888095410a00 R14: 0000000000000000 R15: ffff888095410a68 FS: 00007fd971e0a700(0000) GS:ffff8880ba300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 erofs: read_super, device -> /dev/loop5 erofs: read_super, device -> /dev/loop1 erofs: options -> fault_injection=0x0000000000000000, CR2: 00007f67773dff78 CR3: 000000009b017000 CR4: 00000000001406e0 erofs: FAULT_INJECTION was not selected erofs: read_super, device -> /dev/loop3 erofs: options -> fault_injection=0x0000000000000000, erofs: root inode @ nid 36 erofs: read_super, device -> /dev/loop4 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 erofs: options -> fault_injection=0x0000000000000000, erofs: options -> fault_injection=0x0000000000000000, erofs: read_super, device -> /dev/loop0 erofs: FAULT_INJECTION was not selected DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 erofs: options -> fault_injection=0x0000000000000000, erofs: root inode @ nid 36 erofs: FAULT_INJECTION was not selected CPU: 0 PID: 10003 Comm: syz-executor.5 Tainted: G D 4.19.201-syzkaller #0 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x17c/0x226 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.2+0x5/0xa lib/fault-inject.c:149 erofs: root inode @ nid 36 __should_failslab+0xba/0xf0 mm/failslab.c:32 should_failslab+0x9/0x20 mm/slab_common.c:1590 slab_pre_alloc_hook mm/slab.h:424 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x28e/0x390 mm/slab.c:3557 erofs_read_super drivers/staging/erofs/super.c:414 [inline] erofs_fill_super+0xf63/0x1168 drivers/staging/erofs/super.c:499 erofs: FAULT_INJECTION was not selected mount_bdev+0x26f/0x330 fs/super.c:1158 erofs_mount+0x6a/0x90 drivers/staging/erofs/super.c:512 mount_fs+0x7f/0x2b0 fs/super.c:1261 vfs_kern_mount.part.11+0x58/0x3d0 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x376/0x2710 fs/namespace.c:2799 erofs: root inode @ nid 36 ksys_mount+0xb1/0xd0 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xb9/0x150 fs/namespace.c:3026 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 RIP: 0033:0x467afa Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f67773dffa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467afa RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f67773e0000 RBP: 00007f67773e0040 R08: 00007f67773e0040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f67773e0000 R15: 0000000020000080 erofs: FAULT_INJECTION was not selected FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 erofs: root inode @ nid 36 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 10012 Comm: syz-executor.1 Tainted: G D 4.19.201-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x17c/0x226 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.2+0x5/0xa lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:3088 [inline] prepare_alloc_pages mm/page_alloc.c:4346 [inline] __alloc_pages_nodemask+0x23c/0x25a0 mm/page_alloc.c:4393 __alloc_pages include/linux/gfp.h:496 [inline] __alloc_pages_node include/linux/gfp.h:509 [inline] kmem_getpages mm/slab.c:1412 [inline] cache_grow_begin+0xa5/0x8b0 mm/slab.c:2682 cache_alloc_refill+0x2ac/0x380 mm/slab.c:3049 ____cache_alloc mm/slab.c:3132 [inline] __do_cache_alloc mm/slab.c:3354 [inline] slab_alloc mm/slab.c:3389 [inline] kmem_cache_alloc+0x361/0x390 mm/slab.c:3557 erofs_read_super drivers/staging/erofs/super.c:414 [inline] erofs_fill_super+0xf63/0x1168 drivers/staging/erofs/super.c:499 mount_bdev+0x26f/0x330 fs/super.c:1158 erofs_mount+0x6a/0x90 drivers/staging/erofs/super.c:512 mount_fs+0x7f/0x2b0 fs/super.c:1261 vfs_kern_mount.part.11+0x58/0x3d0 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x376/0x2710 fs/namespace.c:2799 ksys_mount+0xb1/0xd0 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xb9/0x150 fs/namespace.c:3026 do_syscall_64+0xd0/0x4e0 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x467afa Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe25bbbbfa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467afa RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fe25bbbc000 RBP: 00007fe25bbbc040 R08: 00007fe25bbbc040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007fe25bbbc000 R15: 0000000020000080 CPU: 0 PID: 10022 Comm: syz-executor.0 Tainted: G D 4.19.201-syzkaller #0