CPU: 0 PID: 7001 Comm: syz-executor5 Not tainted 4.19.0-rc7+ #58 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+0x1c4/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 WARNING: CPU: 1 PID: 6973 at arch/x86/mm/pat.c:1055 untrack_pfn+0x2b8/0x320 arch/x86/mm/pat.c:1055 Kernel panic - not syncing: panic_on_warn set ... __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x2be/0x730 mm/slab.c:3552 anon_vma_chain_alloc mm/rmap.c:129 [inline] anon_vma_fork+0x2c9/0x820 mm/rmap.c:344 dup_mmap kernel/fork.c:499 [inline] dup_mm kernel/fork.c:1274 [inline] copy_mm kernel/fork.c:1329 [inline] copy_process+0x47c7/0x8780 kernel/fork.c:1869 _do_fork+0x1cb/0x11d0 kernel/fork.c:2166 __do_sys_clone kernel/fork.c:2273 [inline] __se_sys_clone kernel/fork.c:2267 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2267 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fefed34dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007fefed34dc90 RCX: 0000000000457569 RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 RBP: 000000000072bfa0 R08: 00000000200011c0 R09: 0000000000000000 R10: 0000000020001180 R11: 0000000000000246 R12: 00007fefed34e6d4 R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000003 CPU: 1 PID: 6973 Comm: syz-executor3 Not tainted 4.19.0-rc7+ #58 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop4' (00000000b0977ea4): kobject_uevent_env Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 panic+0x238/0x4e7 kernel/panic.c:184 kobject: 'loop4' (00000000b0977ea4): fill_kobj_path: path = '/devices/virtual/block/loop4' __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:993 RIP: 0010:untrack_pfn+0x2b8/0x320 arch/x86/mm/pat.c:1055 Code: 00 00 00 00 48 8b 45 d0 65 48 33 04 25 28 00 00 00 75 39 48 81 c4 b0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 68 b8 46 00 <0f> 0b eb b5 4c 89 e7 e8 5c 28 8a 00 e9 86 fe ff ff 48 8b bd 28 ff RSP: 0018:ffff8801b9026af0 EFLAGS: 00010293 RAX: ffff8801bad1e100 RBX: 1ffff10037204d60 RCX: ffffffff81381fa4 RDX: 0000000000000000 RSI: ffffffff813820e8 RDI: 0000000000000005 RBP: ffff8801b9026bc8 R08: ffff8801bad1e100 R09: 0000000000000000 R10: ffffed003a6c64dc R11: ffff8801d36326e3 R12: ffff8801c45b8c60 R13: 00000000ffffffea R14: 0000000000000000 R15: ffff8801b9026ba0 unmap_single_vma+0x1c0/0x310 mm/memory.c:1535 unmap_vmas+0x125/0x200 mm/memory.c:1586 exit_mmap+0x2be/0x590 mm/mmap.c:3093 __mmput kernel/fork.c:1001 [inline] mmput+0x247/0x610 kernel/fork.c:1022 dup_mm kernel/fork.c:1289 [inline] copy_mm kernel/fork.c:1329 [inline] copy_process+0x3b5d/0x8780 kernel/fork.c:1869 _do_fork+0x1cb/0x11d0 kernel/fork.c:2166 __do_sys_clone kernel/fork.c:2273 [inline] __se_sys_clone kernel/fork.c:2267 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2267 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f95821cfc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f95821cfc90 RCX: 0000000000457569 RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 RBP: 000000000072bf00 R08: 00000000200011c0 R09: 0000000000000000 R10: 0000000020001180 R11: 0000000000000246 R12: 00007f95821d06d4 R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000004 CPU: 0 PID: 6994 Comm: syz-executor0 Not tainted 4.19.0-rc7+ #58 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+0x1c4/0x2b4 lib/dump_stack.c:113 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149 __should_failslab+0x124/0x180 mm/failslab.c:32 should_failslab+0x9/0x14 mm/slab_common.c:1557 slab_pre_alloc_hook mm/slab.h:423 [inline] slab_alloc mm/slab.c:3378 [inline] kmem_cache_alloc+0x2be/0x730 mm/slab.c:3552 anon_vma_chain_alloc mm/rmap.c:129 [inline] anon_vma_fork+0x2c9/0x820 mm/rmap.c:344 dup_mmap kernel/fork.c:499 [inline] dup_mm kernel/fork.c:1274 [inline] copy_mm kernel/fork.c:1329 [inline] copy_process+0x47c7/0x8780 kernel/fork.c:1869 _do_fork+0x1cb/0x11d0 kernel/fork.c:2166 __do_sys_clone kernel/fork.c:2273 [inline] __se_sys_clone kernel/fork.c:2267 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2267 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457569 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f5b5c827c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f5b5c827c90 RCX: 0000000000457569 RDX: 0000000020000040 RSI: 0000000020000180 RDI: 0000000000000000 RBP: 000000000072bfa0 R08: 00000000200011c0 R09: 0000000000000000 R10: 0000000020001180 R11: 0000000000000246 R12: 00007f5b5c8286d4 R13: 00000000004bd9e6 R14: 00000000004cc448 R15: 0000000000000004 Kernel Offset: disabled Rebooting in 86400 seconds..