====================================== | | [ 31.541572][ T251] ip (251) used greatest stack depth: 23360 bytes left | [ 384.566506][ C1] hrtimer: interrupt took 8264347 ns | [ 544.251070][ T307] ip invoked oom-killer: gfp_mask=0xc2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_COMP|__GFP_NOMEMALLOC), order=2, oom_score_adj=0 [ 544.252452][ T307] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 544.253051][ T307] Call Trace: [ 544.253270][ T307] <TASK> [ 544.253416][ T307] dump_stack_lvl (lib/dump_stack.c:117) [ 544.253708][ T307] dump_header (mm/oom_kill.c:74 mm/oom_kill.c:463) [ 544.253987][ T307] oom_kill_process (mm/oom_kill.c:1036) [ 544.254270][ T307] out_of_memory (mm/oom_kill.c:1175 (discriminator 4)) [ 544.254551][ T307] ? __pfx_out_of_memory (mm/oom_kill.c:1108) [ 544.254817][ T307] ? __alloc_pages_may_oom (mm/page_alloc.c:3523) [ 544.255510][ T307] __alloc_pages_may_oom (mm/page_alloc.c:3575) [ 544.255787][ T307] ? __pfx___alloc_pages_may_oom (mm/page_alloc.c:3507) [ 544.256163][ T307] __alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4337) [ 544.256497][ T307] ? get_page_from_freelist (mm/page_alloc.c:3158 mm/page_alloc.c:3351) [ 544.256776][ T307] ? __pfx___alloc_pages_slowpath.constprop.0 (mm/page_alloc.c:4131) [ 544.257135][ T307] __alloc_pages_noprof (mm/page_alloc.c:4673) [ 544.257408][ T307] ? __pfx___alloc_pages_noprof (mm/page_alloc.c:4626) [ 544.257579][ T307] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 544.257770][ T307] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 544.257974][ T307] ? __lock_acquire (kernel/locking/lockdep.c:5137) [ 544.258258][ T307] alloc_slab_page (./include/linux/gfp.h:269 ./include/linux/gfp.h:296 mm/slub.c:2264) [ 544.258520][ T307] allocate_slab (mm/slub.c:2435) [ 544.258782][ T307] ___slab_alloc (mm/slub.c:3666 (discriminator 3)) [ 544.258972][ T307] ? __lock_release (kernel/locking/lockdep.c:5430) [ 544.259133][ T307] ? kmalloc_node_trace_noprof (./include/linux/mm.h:1664 ./include/linux/mm.h:1662 ./include/linux/mm.h:1670 mm/slab.h:194 mm/slub.c:3227 mm/slub.c:3224 mm/slub.c:3808 mm/slub.c:3988 mm/slub.c:4160) [ 544.259384][ T307] ? __alloc_skb (net/core/skbuff.c:667) [ 544.259634][ T307] ? lock_downgrade (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:72 ./arch/x86/include/asm/irqflags.h:104 kernel/locking/lockdep.c:5653) [ 544.259900][ T307] ? kmalloc_node_track_caller_noprof (mm/slub.c:3756 mm/slub.c:3809 mm/slub.c:3988 mm/slub.c:4120 mm/slub.c:4141) [ 544.260194][ T307] kmalloc_node_track_caller_noprof (mm/slub.c:3756 mm/slub.c:3809 mm/slub.c:3988 mm/slub.c:4120 mm/slub.c:4141) [ 544.260483][ T307] ? __create_object (mm/kmemleak.c:749) [ 544.260662][ T307] ? __alloc_skb (net/core/skbuff.c:667) [ 544.260882][ T307] kmalloc_reserve (net/core/skbuff.c:601) [ 544.261118][ T307] ? netlink_dump (net/netlink/af_netlink.c:2277) [ 544.261374][ T307] __alloc_skb (net/core/skbuff.c:667) [ 544.261626][ T307] ? __pfx___alloc_skb (net/core/skbuff.c:640) [ 544.261880][ T307] ? __might_fault (./arch/x86/include/asm/current.h:49 mm/memory.c:6233 mm/memory.c:6226) [ 544.262056][ T307] netlink_dump (net/netlink/af_netlink.c:2305) [ 544.262241][ T307] ? __pfx__copy_to_iter (lib/iov_iter.c:180) [ 544.262512][ T307] ? __pfx_netlink_dump (net/netlink/af_netlink.c:2265) [ 544.262773][ T307] ? __pfx_simple_copy_to_iter (net/core/datagram.c:512) [ 544.263035][ T307] netlink_recvmsg (net/netlink/af_netlink.c:1988) [ 544.263299][ T307] ? __pfx_netlink_recvmsg (net/netlink/af_netlink.c:1914) [ 544.263482][ T307] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 544.263645][ T307] ? __lock_release (kernel/locking/lockdep.c:5430) [ 544.263802][ T307] ? __might_fault (mm/memory.c:6233 mm/memory.c:6226) [ 544.263959][ T307] ? __pfx___lock_release (kernel/locking/lockdep.c:5406) [ 544.264159][ T307] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 544.264331][ T307] ____sys_recvmsg (net/socket.c:1046 net/socket.c:1068 net/socket.c:2804) [ 544.264509][ T307] ? __pfx_____sys_recvmsg (net/socket.c:2782) [ 544.264673][ T307] ? copy_msghdr_from_user (net/socket.c:2525) [ 544.264829][ T307] ? __pfx_copy_msghdr_from_user (net/socket.c:2511) [ 544.265049][ T307] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 544.265209][ T307] ? hlock_class (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 kernel/locking/lockdep.c:228) [ 544.265364][ T307] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 544.265503][ T307] ___sys_recvmsg (net/socket.c:2847) [ 544.265662][ T307] ? __pfx____sys_recvmsg (net/socket.c:2836) [ 544.265832][ T307] ? do_user_addr_fault (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/mm.h:701 arch/x86/mm/fault.c:1340) [ 544.265993][ T307] ? reacquire_held_locks (kernel/locking/lockdep.c:5279) [ 544.266152][ T307] ? do_user_addr_fault (./include/linux/rcupdate.h:329 ./include/linux/rcupdate.h:781 ./include/linux/mm.h:701 arch/x86/mm/fault.c:1340) [ 544.266321][ T307] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1145) [ 544.266498][ T307] __sys_recvmsg (./include/linux/file.h:34 net/socket.c:2878) [ 544.266657][ T307] ? __pfx___sys_recvmsg (net/socket.c:2864) [ 544.266812][ T307] ? __up_read (./arch/x86/include/asm/atomic64_64.h:79 ./include/linux/atomic/atomic-arch-fallback.h:2749 ./include/linux/atomic/atomic-long.h:184 ./include/linux/atomic/atomic-instrumented.h:3317 kernel/locking/rwsem.c:1347) [ 544.266974][ T307] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 544.267167][ T307] ? do_user_addr_fault (./include/linux/rcupdate.h:814 ./include/linux/mm.h:703 arch/x86/mm/fault.c:1340) [ 544.267344][ T307] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [ 544.267520][ T307] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) [ 544.267737][ T307] RIP: 0033:0x7f13449fd64d [ 544.267921][ T307] Code: eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 41 54 48 83 ec 10 64 8b 04 25 18 00 00 00 85 c0 75 22 b8 2f 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5b 4c 63 e0 48 83 c4 10 4c 89 e0 41 5c c3 66 All code ======== 0: eb b7 jmp 0xffffffffffffffb9 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 41 54 push %r12 13: 48 83 ec 10 sub $0x10,%rsp 17: 64 8b 04 25 18 00 00 mov %fs:0x18,%eax 1e: 00 1f: 85 c0 test %eax,%eax 21: 75 22 jne 0x45 23: b8 2f 00 00 00 mov $0x2f,%eax 28: 0f 05 syscall 2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction 30: 77 5b ja 0x8d 32: 4c 63 e0 movslq %eax,%r12 35: 48 83 c4 10 add $0x10,%rsp 39: 4c 89 e0 mov %r12,%rax 3c: 41 5c pop %r12 3e: c3 ret 3f: 66 data16 Code starting with the faulting instruction =========================================== 0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax 6: 77 5b ja 0x63 8: 4c 63 e0 movslq %eax,%r12 b: 48 83 c4 10 add $0x10,%rsp f: 4c 89 e0 mov %r12,%rax 12: 41 5c pop %r12 14: c3 ret 15: 66 data16 [ 544.268523][ T307] RSP: 002b:00007ffd5d0722a0 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 544.268819][ T307] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f13449fd64d [ 544.269087][ T307] RDX: 0000000000000022 RSI: 00007ffd5d0723a0 RDI: 0000000000000005 [ 544.269330][ T307] RBP: 0000000000000022 R08: 0000000000000003 R09: 0000000000000000 [ 544.269579][ T307] R10: 000000003377f970 R11: 0000000000000246 R12: 00007ffd5d0723a0 Finger prints: dump_header:oom_kill_process:out_of_memory:__alloc_pages_may_oom:__alloc_pages_noprof