====================================== | [ 3624.653757][T20061] c0: entered promiscuous mode | [ 3631.976999][T20108] s0: entered promiscuous mode | [ 3873.062881][T20279] s0 (unregistering): left promiscuous mode | [ 3873.089622][ T130] systemd-udevd: page allocation failure: order:6, mode:0x40dc0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0 [ 3873.090584][ T130] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3873.090925][ T130] Call Trace: [ 3873.091045][ T130] [ 3873.091127][ T130] dump_stack_lvl (lib/dump_stack.c:122) [ 3873.091297][ T130] warn_alloc (mm/page_alloc.c:3521) [ 3873.091419][ T130] ? __pfx_warn_alloc (mm/page_alloc.c:3500) [ 3873.091584][ T130] ? __alloc_pages_direct_compact (mm/page_alloc.c:3695) [ 3873.091868][ T130] ? __pfx___alloc_pages_direct_compact (mm/page_alloc.c:3643) [ 3873.092065][ T130] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4443) [ 3873.092258][ T130] ? get_page_from_freelist (mm/page_alloc.c:3198 mm/page_alloc.c:3391) [ 3873.092413][ T130] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4171) [ 3873.092655][ T130] __alloc_pages_noprof (mm/page_alloc.c:4713) [ 3873.092805][ T130] ? __pfx___alloc_pages_noprof (mm/page_alloc.c:4666) [ 3873.092953][ T130] ? __lock_acquire (kernel/locking/lockdep.c:5142) [ 3873.093117][ T130] ? find_held_lock (kernel/locking/lockdep.c:5249) [ 3873.093275][ T130] ? v9fs_alloc_rdir_buf.isra.0 (fs/9p/vfs_dir.c:73) [ 3873.093424][ T130] ___kmalloc_large_node (./include/linux/gfp.h:269 ./include/linux/gfp.h:296 mm/slub.c:4103) [ 3873.093574][ T130] ? register_lock_class (kernel/locking/lockdep.c:1283 (discriminator 13)) [ 3873.093730][ T130] ? v9fs_alloc_rdir_buf.isra.0 (fs/9p/vfs_dir.c:73) [ 3873.093879][ T130] __kmalloc_large_node_noprof (./arch/x86/include/asm/bitops.h:417 ./include/asm-generic/getorder.h:46 mm/slub.c:4132) [ 3873.094033][ T130] __kmalloc_noprof (./arch/x86/include/asm/bitops.h:417 ./include/asm-generic/getorder.h:46 mm/slub.c:4148 mm/slub.c:4170) [ 3873.094184][ T130] ? mark_lock (kernel/locking/lockdep.c:4655 (discriminator 3)) [ 3873.094297][ T130] ? is_bpf_text_address (./include/linux/rcupdate.h:336 ./include/linux/rcupdate.h:869 ./kernel/bpf/core.c:769) [ 3873.094450][ T130] v9fs_alloc_rdir_buf.isra.0 (fs/9p/vfs_dir.c:73) [ 3873.094603][ T130] v9fs_dir_readdir_dotl (fs/9p/vfs_dir.c:160) [ 3873.094757][ T130] ? __pfx_validate_chain (kernel/locking/lockdep.c:3824) [ 3873.094912][ T130] ? __pfx_v9fs_dir_readdir_dotl (fs/9p/vfs_dir.c:148) [ 3873.095097][ T130] ? lock_acquire.part.0 (kernel/locking/lockdep.c:466 kernel/locking/lockdep.c:5761) [ 3873.095247][ T130] ? iterate_dir (fs/readdir.c:101) [ 3873.095403][ T130] ? rwsem_read_trylock (./arch/x86/include/asm/atomic64_64.h:20 ./include/linux/atomic/atomic-arch-fallback.h:2629 ./include/linux/atomic/atomic-long.h:79 ./include/linux/atomic/atomic-instrumented.h:3224 kernel/locking/rwsem.c:176 kernel/locking/rwsem.c:181 kernel/locking/rwsem.c:249 kernel/locking/rwsem.c:241) [ 3873.095552][ T130] ? __pfx_rwsem_read_trylock (kernel/locking/rwsem.c:242) [ 3873.095705][ T130] ? iterate_dir (fs/readdir.c:101) [ 3873.095856][ T130] ? lock_acquire (kernel/locking/lockdep.c:5732) [ 3873.096008][ T130] ? iterate_dir (fs/readdir.c:101) [ 3873.096161][ T130] ? down_read_killable (kernel/locking/rwsem.c:1249 kernel/locking/rwsem.c:1273 kernel/locking/rwsem.c:1551) [ 3873.096312][ T130] ? iterate_dir (fs/readdir.c:101) [ 3873.096466][ T130] ? __pfx_down_read_killable (kernel/locking/rwsem.c:1547) [ 3873.096614][ T130] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5724) [ 3873.096770][ T130] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 3873.096933][ T130] iterate_dir (fs/readdir.c:108) [ 3873.097090][ T130] ovl_iterate (fs/overlayfs/readdir.c:775) [ 3873.097251][ T130] ? wrap_directory_iterator (fs/readdir.c:54) [ 3873.097399][ T130] ? __pfx_ovl_iterate (fs/overlayfs/readdir.c:751) [ 3873.097550][ T130] ? __pfx_ovl_iterate (fs/overlayfs/readdir.c:751) [ 3873.097698][ T130] wrap_directory_iterator (fs/readdir.c:65) [ 3873.097854][ T130] iterate_dir (fs/readdir.c:108) [ 3873.098007][ T130] __x64_sys_getdents64 (fs/readdir.c:408 fs/readdir.c:392 fs/readdir.c:392) [ 3873.098157][ T130] ? __pfx___x64_sys_getdents64 (fs/readdir.c:392) [ 3873.098306][ T130] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) [ 3873.098494][ T130] ? __pfx_filldir64 (fs/readdir.c:350) [ 3873.098657][ T130] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 3873.098809][ T130] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 3873.098994][ T130] RIP: 0033:0x7f7c8fe9d5b7 [ 3873.099155][ T130] Code: 80 f8 ff 4c 89 e0 5b 5d 41 5c c3 0f 1f 84 00 00 00 00 00 f3 0f 1e fa b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 19 48 0e 00 f7 d8 64 89 02 48 All code ======== 0: 80 f8 ff cmp $0xff,%al 3: 4c 89 e0 mov %r12,%rax 6: 5b pop %rbx 7: 5d pop %rbp 8: 41 5c pop %r12 a: c3 ret b: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 12: 00 13: f3 0f 1e fa endbr64 17: b8 ff ff ff 7f mov $0x7fffffff,%eax 1c: 48 39 c2 cmp %rax,%rdx 1f: 48 0f 47 d0 cmova %rax,%rdx 23: b8 d9 00 00 00 mov $0xd9,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 01 ja 0x33 32: c3 ret 33: 48 8b 15 19 48 0e 00 mov 0xe4819(%rip),%rdx # 0xe4853 3a: f7 d8 neg %eax 3c: 64 89 02 mov %eax,%fs:(%rdx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 01 ja 0x9 8: c3 ret 9: 48 8b 15 19 48 0e 00 mov 0xe4819(%rip),%rdx # 0xe4829 10: f7 d8 neg %eax 12: 64 89 02 mov %eax,%fs:(%rdx) 15: 48 rex.W [ 3873.099685][ T130] RSP: 002b:00007fffb3ab81d8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9 [ 3873.099916][ T130] RAX: ffffffffffffffda RBX: 00005622dbae8d00 RCX: 00007f7c8fe9d5b7 [ 3873.100144][ T130] RDX: 0000000000020000 RSI: 00005622dbae8d00 RDI: 000000000000000b [ 3873.100369][ T130] RBP: 00005622dbae8cd4 R08: 0000000000000003 R09: 000000000000007b [ 3873.100590][ T130] R10: 000000000000015b R11: 0000000000000293 R12: fffffffffffffe98 Finger prints: warn_alloc:__alloc_pages_noprof:___kmalloc_large_node:__kmalloc_large_node_noprof:__kmalloc_noprof